Beispiel #1
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    def _init_env(self, freshenv):
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir,
                                        self.config)
            self.env.find_files(self.config)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold('loading pickled environment... '), nonl=True)
                self.env = BuildEnvironment.frompickle(self.config,
                    path.join(self.doctreedir, ENV_PICKLE_FILENAME))
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info('done')
            except Exception as err:
                if type(err) is IOError and err.errno == ENOENT:
                    self.info('not yet created')
                else:
                    self.info('failed: %s' % err)
                return self._init_env(freshenv=True)

        self.env.set_warnfunc(self.warn)
Beispiel #2
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 def read_process(docs):
     # type: (List[unicode]) -> unicode
     self.env.app = self.app
     for docname in docs:
         self.read_doc(docname)
     # allow pickling self to send it back
     return BuildEnvironment.dumps(self.env)
Beispiel #3
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 def _init_env(self, freshenv):
     # type: (bool) -> None
     filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
     if freshenv or not os.path.exists(filename):
         self.env = BuildEnvironment(self)
         self.env.find_files(self.config, self.builder)
         for domain in self.registry.create_domains(self.env):
             self.env.domains[domain.name] = domain
     else:
         try:
             logger.info(bold(__('loading pickled environment... ')), nonl=True)
             self.env = BuildEnvironment.frompickle(filename, self)
             needed, reason = self.env.need_refresh(self)
             if needed:
                 raise IOError(reason)
             self.env.domains = {}
             for domain in self.registry.create_domains(self.env):
                 # this can raise if the data version doesn't fit
                 self.env.domains[domain.name] = domain
             logger.info(__('done'))
         except Exception as err:
             logger.info(__('failed: %s'), err)
             self._init_env(freshenv=True)
Beispiel #4
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 def _init_env(self, freshenv):
     # type: (bool) -> None
     if freshenv:
         self.env = BuildEnvironment(self)
         self.env.find_files(self.config, self.builder)
         for domain in self.registry.create_domains(self.env):
             self.env.domains[domain.name] = domain
     else:
         try:
             logger.info(bold(__('loading pickled environment... ')), nonl=True)
             filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
             self.env = BuildEnvironment.frompickle(filename, self)
             self.env.domains = {}
             for domain in self.registry.create_domains(self.env):
                 # this can raise if the data version doesn't fit
                 self.env.domains[domain.name] = domain
             logger.info(__('done'))
         except Exception as err:
             if isinstance(err, IOError) and err.errno == ENOENT:
                 logger.info(__('not yet created'))
             else:
                 logger.info(__('failed: %s'), err)
             self._init_env(freshenv=True)
Beispiel #5
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 def _init_env(self, freshenv):
     # type: (bool) -> None
     filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
     if freshenv or not os.path.exists(filename):
         self.env = BuildEnvironment()
         self.env.setup(self)
         self.env.find_files(self.config, self.builder)
     else:
         try:
             with progress_message(__('loading pickled environment')):
                 with open(filename, 'rb') as f:
                     self.env = pickle.load(f)
                     self.env.setup(self)
         except Exception as err:
             logger.info(__('failed: %s'), err)
             self._init_env(freshenv=True)
Beispiel #6
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    def get_sphinx_environment(self):
        """
        Returns the Sphinx environment for this project.
        """
        from sphinx.environment import BuildEnvironment
        class Foo(object):
            pass
        config = Foo()
        config.values = []

        env_pickle = os.path.join(self._doctrees_dir(), 'environment.pickle')
        try:
            env = BuildEnvironment.frompickle(config, env_pickle)
            logger.debug("Opened Sphinx environment: %s", env_pickle)
            return env
        except IOError as err:
            logger.debug("Failed to open Sphinx environment: %s", err)
            pass
Beispiel #7
0
class Sphinx(object):

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0):
        # type: (unicode, unicode, unicode, unicode, unicode, Dict, IO, IO, bool, bool, unicode, int, int) -> None  # NOQA
        self.verbosity = verbosity
        self.next_listener_id = 0
        self._extensions = {}                   # type: Dict[unicode, Any]
        self._extension_metadata = {}           # type: Dict[unicode, Dict[unicode, Any]]
        self._additional_source_parsers = {}    # type: Dict[unicode, Parser]
        self._listeners = {}                    # type: Dict[unicode, Dict[int, Callable]]
        self._setting_up_extension = ['?']      # type: List[unicode]
        self.domains = {}                       # type: Dict[unicode, Type[Domain]]
        self.buildername = buildername
        self.builderclasses = {}                # type: Dict[unicode, Type[Builder]]
        self.builder = None                     # type: Builder
        self.env = None                         # type: BuildEnvironment
        self.enumerable_nodes = {}              # type: Dict[nodes.Node, Tuple[unicode, Callable]]  # NOQA

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = cStringIO()      # type: IO
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = cStringIO()     # type: IO
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror

        self._events = events.copy()
        self._translators = {}              # type: Dict[unicode, nodes.GenericNodeVisitor]

        # keep last few messages for traceback
        self.messagelog = deque(maxlen=10)  # type: deque

        # say hello to the world
        self.info(bold('Running Sphinx v%s' % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        if not path.isdir(outdir):
            self.info('making output directory...')
            os.makedirs(outdir)

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME,
                             confoverrides or {}, self.tags)
        self.config.check_unicode(self.warn)
        # defer checking types until i18n has been initialized

        # initialize some limited config variables before loading extensions
        self.config.pre_init_values(self.warn)

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__:
            raise VersionRequirementError(
                'This project needs at least Sphinx v%s and therefore cannot '
                'be built with this version.' % self.config.needs_sphinx)

        # force preload html_translator_class
        if self.config.html_translator_class:
            translator_class = self.import_object(self.config.html_translator_class,
                                                  'html_translator_class setting')
            self.set_translator('html', translator_class)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all built-in extension modules
        for extension in builtin_extensions:
            self.setup_extension(extension)

        # extension loading support for alabaster theme
        # self.config.html_theme is not set from conf.py at here
        # for now, sphinx always load a 'alabaster' extension.
        if 'alabaster' not in self.config.extensions:
            self.config.extensions.append('alabaster')

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            self._setting_up_extension = ['conf.py']
            # py31 doesn't have 'callable' function for below check
            if hasattr(self.config.setup, '__call__'):
                self.config.setup(self)
            else:
                raise ConfigError(
                    "'setup' that is specified in the conf.py has not been " +
                    "callable. Please provide a callable `setup` function " +
                    "in order to behave as a sphinx extension conf.py itself."
                )

        # now that we know all config values, collect them from conf.py
        self.config.init_values(self.warn)

        # check extension versions if requested
        if self.config.needs_extensions:
            for extname, needs_ver in self.config.needs_extensions.items():
                if extname not in self._extensions:
                    self.warn('needs_extensions config value specifies a '
                              'version requirement for extension %s, but it is '
                              'not loaded' % extname)
                    continue
                has_ver = self._extension_metadata[extname]['version']
                if has_ver == 'unknown version' or needs_ver > has_ver:
                    raise VersionRequirementError(
                        'This project needs the extension %s at least in '
                        'version %s and therefore cannot be built with the '
                        'loaded version (%s).' % (extname, needs_ver, has_ver))

        # check primary_domain if requested
        if self.config.primary_domain and self.config.primary_domain not in self.domains:
            self.warn('primary_domain %r not found, ignored.' % self.config.primary_domain)

        # set up translation infrastructure
        self._init_i18n()
        # check all configuration values for permissible types
        self.config.check_types(self.warn)
        # set up source_parsers
        self._init_source_parsers()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(self.buildername)
        # set up the enumerable nodes
        self._init_enumerable_nodes()

    def _init_i18n(self):
        # type: () -> None
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            self.info(bold('loading translations [%s]... ' %
                           self.config.language), nonl=True)
            user_locale_dirs = [
                path.join(self.srcdir, x) for x in self.config.locale_dirs]
            # compile mo files if sphinx.po file in user locale directories are updated
            for catinfo in find_catalog_source_files(
                    user_locale_dirs, self.config.language, domains=['sphinx'],
                    charset=self.config.source_encoding):
                catinfo.write_mo(self.config.language)
            locale_dirs = [None, path.join(package_dir, 'locale')] + user_locale_dirs
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs, self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                self.info('done')
            else:
                self.info('not available for built-in messages')

    def _init_source_parsers(self):
        # type: () -> None
        for suffix, parser in iteritems(self._additional_source_parsers):
            if suffix not in self.config.source_suffix:
                self.config.source_suffix.append(suffix)
            if suffix not in self.config.source_parsers:
                self.config.source_parsers[suffix] = parser

    def _init_env(self, freshenv):
        # type: (bool) -> None
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir, self.config)
            self.env.set_warnfunc(self.warn)
            self.env.find_files(self.config, self.buildername)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold('loading pickled environment... '), nonl=True)
                self.env = BuildEnvironment.frompickle(
                    self.srcdir, self.config, path.join(self.doctreedir, ENV_PICKLE_FILENAME))
                self.env.set_warnfunc(self.warn)
                self.env.init_managers()
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info('done')
            except Exception as err:
                if isinstance(err, IOError) and err.errno == ENOENT:
                    self.info('not yet created')
                else:
                    self.info('failed: %s' % err)
                self._init_env(freshenv=True)

    def _init_builder(self, buildername):
        # type: (unicode) -> None
        if buildername is None:
            print('No builder selected, using default: html', file=self._status)
            buildername = 'html'
        if buildername not in self.builderclasses:
            raise SphinxError('Builder name %s not registered' % buildername)

        builderclass = self.builderclasses[buildername]
        self.builder = builderclass(self)
        self.emit('builder-inited')

    def _init_enumerable_nodes(self):
        # type: () -> None
        for node, settings in iteritems(self.enumerable_nodes):
            self.env.get_domain('std').enumerable_nodes[node] = settings  # type: ignore

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        # type: (bool, List[unicode]) -> None
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            status = (self.statuscode == 0 and
                      'succeeded' or 'finished with problems')
            if self._warncount:
                self.info(bold('build %s, %s warning%s.' %
                               (status, self._warncount,
                                self._warncount != 1 and 's' or '')))
            else:
                self.info(bold('build %s.' % status))
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------

    def _log(self, message, wfile, nonl=False):
        # type: (unicode, IO, bool) -> None
        try:
            wfile.write(message)
        except UnicodeEncodeError:
            encoding = getattr(wfile, 'encoding', 'ascii') or 'ascii'
            # wfile.write accept only str, not bytes.So, we encode and replace
            # non-encodable characters, then decode them.
            wfile.write(message.encode(encoding, 'replace').decode(encoding))
        if not nonl:
            wfile.write('\n')
        if hasattr(wfile, 'flush'):
            wfile.flush()
        self.messagelog.append(message)

    def warn(self, message, location=None, prefix='WARNING: ',
             type=None, subtype=None, colorfunc=darkred):
        # type: (unicode, unicode, unicode, unicode, unicode, Callable) -> None
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *prefix* usually should not be changed.

        *type* and *subtype* are used to suppress warnings with :confval:`suppress_warnings`.

        .. note::

           For warnings emitted during parsing, you should use
           :meth:`.BuildEnvironment.warn` since that will collect all
           warnings during parsing for later output.
        """
        if is_suppressed_warning(type, subtype, self.config.suppress_warnings):
            return

        if isinstance(location, tuple):
            docname, lineno = location
            if docname:
                location = '%s:%s' % (self.env.doc2path(docname), lineno or '')
            else:
                location = None
        warntext = location and '%s: %s%s\n' % (location, prefix, message) or \
            '%s%s\n' % (prefix, message)
        if self.warningiserror:
            raise SphinxWarning(warntext)
        self._warncount += 1
        self._log(colorfunc(warntext), self._warning, True)

    def info(self, message='', nonl=False):
        # type: (unicode, bool) -> None
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        self._log(message, self._status, nonl)

    def verbose(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a verbose informational message.

        The message will only be emitted for verbosity levels >= 1 (i.e. at
        least one ``-v`` option was given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 1:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(message, self._status)

    def debug(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a debug-level informational message.

        The message will only be emitted for verbosity levels >= 2 (i.e. at
        least two ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 2:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(darkgray(message), self._status)

    def debug2(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a lowlevel debug-level informational message.

        The message will only be emitted for verbosity level 3 (i.e. three
        ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 3:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(lightgray(message), self._status)

    def _display_chunk(chunk):
        # type: (Any) -> unicode
        if isinstance(chunk, (list, tuple)):
            if len(chunk) == 1:
                return text_type(chunk[0])
            return '%s .. %s' % (chunk[0], chunk[-1])
        return text_type(chunk)

    def old_status_iterator(self, iterable, summary, colorfunc=darkgreen,
                            stringify_func=_display_chunk):
        # type: (Iterable, unicode, Callable, Callable) -> Iterator
        l = 0
        for item in iterable:
            if l == 0:
                self.info(bold(summary), nonl=True)
                l = 1
            self.info(colorfunc(stringify_func(item)) + ' ', nonl=True)
            yield item
        if l == 1:
            self.info()

    # new version with progress info
    def status_iterator(self, iterable, summary, colorfunc=darkgreen, length=0,
                        stringify_func=_display_chunk):
        # type: (Iterable, unicode, Callable, int, Callable) -> Iterable
        if length == 0:
            for item in self.old_status_iterator(iterable, summary, colorfunc,
                                                 stringify_func):
                yield item
            return
        l = 0
        summary = bold(summary)
        for item in iterable:
            l += 1
            s = '%s[%3d%%] %s' % (summary, 100*l/length,
                                  colorfunc(stringify_func(item)))
            if self.verbosity:
                s += '\n'
            else:
                s = term_width_line(s)
            self.info(s, nonl=True)
            yield item
        if l > 0:
            self.info()

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extension):
        # type: (unicode) -> None
        """Import and setup a Sphinx extension module. No-op if called twice."""
        self.debug('[app] setting up extension: %r', extension)
        if extension in self._extensions:
            return
        if extension in EXTENSION_BLACKLIST:
            self.warn('the extension %r was already merged with Sphinx since version %s; '
                      'this extension is ignored.' % (
                          extension, EXTENSION_BLACKLIST[extension]))
            return
        self._setting_up_extension.append(extension)
        try:
            mod = __import__(extension, None, None, ['setup'])
        except ImportError as err:
            self.verbose('Original exception:\n' + traceback.format_exc())
            raise ExtensionError('Could not import extension %s' % extension,
                                 err)
        if not hasattr(mod, 'setup'):
            self.warn('extension %r has no setup() function; is it really '
                      'a Sphinx extension module?' % extension)
            ext_meta = None
        else:
            try:
                ext_meta = mod.setup(self)
            except VersionRequirementError as err:
                # add the extension name to the version required
                raise VersionRequirementError(
                    'The %s extension used by this project needs at least '
                    'Sphinx v%s; it therefore cannot be built with this '
                    'version.' % (extension, err))
        if ext_meta is None:
            ext_meta = {}
            # special-case for compatibility
            if extension == 'rst2pdf.pdfbuilder':
                ext_meta = {'parallel_read_safe': True}
        try:
            if not ext_meta.get('version'):
                ext_meta['version'] = 'unknown version'
        except Exception:
            self.warn('extension %r returned an unsupported object from '
                      'its setup() function; it should return None or a '
                      'metadata dictionary' % extension)
            ext_meta = {'version': 'unknown version'}
        self._extensions[extension] = mod
        self._extension_metadata[extension] = ext_meta
        self._setting_up_extension.pop()

    def require_sphinx(self, version):
        # type: (unicode) -> None
        # check the Sphinx version if requested
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        # type: (str, unicode) -> Any
        """Import an object from a 'module.name' string."""
        return import_object(objname, source=None)

    # event interface

    def _validate_event(self, event):
        # type: (unicode) -> None
        if event not in self._events:
            raise ExtensionError('Unknown event name: %s' % event)

    def connect(self, event, callback):
        # type: (unicode, Callable) -> int
        self._validate_event(event)
        listener_id = self.next_listener_id
        if event not in self._listeners:
            self._listeners[event] = {listener_id: callback}
        else:
            self._listeners[event][listener_id] = callback
        self.next_listener_id += 1
        self.debug('[app] connecting event %r: %r [id=%s]',
                   event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        # type: (int) -> None
        self.debug('[app] disconnecting event: [id=%s]', listener_id)
        for event in itervalues(self._listeners):
            event.pop(listener_id, None)

    def emit(self, event, *args):
        # type: (unicode, Any) -> List
        try:
            self.debug2('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        results = []
        if event in self._listeners:
            for _, callback in iteritems(self._listeners[event]):
                results.append(callback(self, *args))
        return results

    def emit_firstresult(self, event, *args):
        # type: (unicode, Any) -> Any
        for result in self.emit(event, *args):
            if result is not None:
                return result
        return None

    # registering addon parts

    def add_builder(self, builder):
        # type: (Type[Builder]) -> None
        self.debug('[app] adding builder: %r', builder)
        if not hasattr(builder, 'name'):
            raise ExtensionError('Builder class %s has no "name" attribute'
                                 % builder)
        if builder.name in self.builderclasses:
            raise ExtensionError(
                'Builder %r already exists (in module %s)' % (
                    builder.name, self.builderclasses[builder.name].__module__))
        self.builderclasses[builder.name] = builder

    def add_config_value(self, name, default, rebuild, types=()):
        # type: (unicode, Any, Union[bool, unicode], Any) -> None
        self.debug('[app] adding config value: %r',
                   (name, default, rebuild) + ((types,) if types else ()))  # type: ignore
        if name in self.config.values:
            raise ExtensionError('Config value %r already present' % name)
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.values[name] = (default, rebuild, types)

    def add_event(self, name):
        # type: (unicode) -> None
        self.debug('[app] adding event: %r', name)
        if name in self._events:
            raise ExtensionError('Event %r already present' % name)
        self._events[name] = ''

    def set_translator(self, name, translator_class):
        # type: (unicode, Any) -> None
        self.info(bold('A Translator for the %s builder is changed.' % name))
        self._translators[name] = translator_class

    def add_node(self, node, **kwds):
        # type: (nodes.Node, Any) -> None
        self.debug('[app] adding node: %r', (node, kwds))
        if not kwds.pop('override', False) and \
           hasattr(nodes.GenericNodeVisitor, 'visit_' + node.__name__):
            self.warn('while setting up extension %s: node class %r is '
                      'already registered, its visitors will be overridden' %
                      (self._setting_up_extension, node.__name__),
                      type='app', subtype='add_node')
        nodes._add_node_class_names([node.__name__])
        for key, val in iteritems(kwds):
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError('Value for key %r must be a '
                                     '(visit, depart) function tuple' % key)
            translator = self._translators.get(key)
            if translator is not None:
                pass
            elif key == 'html':
                from sphinx.writers.html import HTMLTranslator as translator  # type: ignore
            elif key == 'latex':
                from sphinx.writers.latex import LaTeXTranslator as translator  # type: ignore
            elif key == 'text':
                from sphinx.writers.text import TextTranslator as translator  # type: ignore
            elif key == 'man':
                from sphinx.writers.manpage import ManualPageTranslator as translator  # type: ignore  # NOQA
            elif key == 'texinfo':
                from sphinx.writers.texinfo import TexinfoTranslator as translator  # type: ignore  # NOQA
            else:
                # ignore invalid keys for compatibility
                continue
            setattr(translator, 'visit_'+node.__name__, visit)
            if depart:
                setattr(translator, 'depart_'+node.__name__, depart)

    def add_enumerable_node(self, node, figtype, title_getter=None, **kwds):
        # type: (nodes.Node, unicode, Callable, Any) -> None
        self.enumerable_nodes[node] = (figtype, title_getter)
        self.add_node(node, **kwds)

    def _directive_helper(self, obj, content=None, arguments=None, **options):
        # type: (Any, unicode, Any, Any) -> Any
        if isinstance(obj, (types.FunctionType, types.MethodType)):
            obj.content = content                       # type: ignore
            obj.arguments = arguments or (0, 0, False)  # type: ignore
            obj.options = options                       # type: ignore
            return convert_directive_function(obj)
        else:
            if content or arguments or options:
                raise ExtensionError('when adding directive classes, no '
                                     'additional arguments may be given')
            return obj

    def add_directive(self, name, obj, content=None, arguments=None, **options):
        # type: (unicode, Any, unicode, Any, Any) -> None
        self.debug('[app] adding directive: %r',
                   (name, obj, content, arguments, options))
        if name in directives._directives:
            self.warn('while setting up extension %s: directive %r is '
                      'already registered, it will be overridden' %
                      (self._setting_up_extension[-1], name),
                      type='app', subtype='add_directive')
        directives.register_directive(
            name, self._directive_helper(obj, content, arguments, **options))

    def add_role(self, name, role):
        # type: (unicode, Any) -> None
        self.debug('[app] adding role: %r', (name, role))
        if name in roles._roles:
            self.warn('while setting up extension %s: role %r is '
                      'already registered, it will be overridden' %
                      (self._setting_up_extension[-1], name),
                      type='app', subtype='add_role')
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # type: (unicode, Any) -> None
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        self.debug('[app] adding generic role: %r', (name, nodeclass))
        if name in roles._roles:
            self.warn('while setting up extension %s: role %r is '
                      'already registered, it will be overridden' %
                      (self._setting_up_extension[-1], name),
                      type='app', subtype='add_generic_role')
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        # type: (Type[Domain]) -> None
        self.debug('[app] adding domain: %r', domain)
        if domain.name in self.domains:
            raise ExtensionError('domain %s already registered' % domain.name)
        self.domains[domain.name] = domain

    def override_domain(self, domain):
        # type: (Type[Domain]) -> None
        self.debug('[app] overriding domain: %r', domain)
        if domain.name not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain.name)
        if not issubclass(domain, self.domains[domain.name]):
            raise ExtensionError('new domain not a subclass of registered %s '
                                 'domain' % domain.name)
        self.domains[domain.name] = domain

    def add_directive_to_domain(self, domain, name, obj,
                                content=None, arguments=None, **options):
        # type: (unicode, unicode, Any, unicode, Any, Any) -> None
        self.debug('[app] adding directive to domain: %r',
                   (domain, name, obj, content, arguments, options))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].directives[name] = \
            self._directive_helper(obj, content, arguments, **options)

    def add_role_to_domain(self, domain, name, role):
        # type: (unicode, unicode, Any) -> None
        self.debug('[app] adding role to domain: %r', (domain, name, role))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].roles[name] = role

    def add_index_to_domain(self, domain, index):
        # type: (unicode, unicode) -> None
        self.debug('[app] adding index to domain: %r', (domain, index))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].indices.append(index)

    def add_object_type(self, directivename, rolename, indextemplate='',
                        parse_node=None, ref_nodeclass=None, objname='',
                        doc_field_types=[]):
        # type: (unicode, unicode, unicode, Callable, nodes.Node, unicode, List) -> None
        self.debug('[app] adding object type: %r',
                   (directivename, rolename, indextemplate, parse_node,
                    ref_nodeclass, objname, doc_field_types))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of GenericObject as the new directive
        new_directive = type(directivename, (GenericObject, object),  # type: ignore
                             {'indextemplate': indextemplate,
                              'parse_node': staticmethod(parse_node),  # type: ignore
                              'doc_field_types': doc_field_types})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    # backwards compatible alias
    add_description_unit = add_object_type

    def add_crossref_type(self, directivename, rolename, indextemplate='',
                          ref_nodeclass=None, objname=''):
        # type: (unicode, unicode, unicode, nodes.Node, unicode) -> None
        self.debug('[app] adding crossref type: %r',
                   (directivename, rolename, indextemplate, ref_nodeclass,
                    objname))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of Target as the new directive
        new_directive = type(directivename, (Target, object),  # type: ignore
                             {'indextemplate': indextemplate})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    def add_transform(self, transform):
        # type: (Transform) -> None
        self.debug('[app] adding transform: %r', transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_javascript(self, filename):
        # type: (unicode) -> None
        self.debug('[app] adding javascript: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(
                posixpath.join('_static', filename))

    def add_stylesheet(self, filename):
        # type: (unicode) -> None
        self.debug('[app] adding stylesheet: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.css_files.append(filename)
        else:
            StandaloneHTMLBuilder.css_files.append(
                posixpath.join('_static', filename))

    def add_latex_package(self, packagename, options=None):
        # type: (unicode, unicode) -> None
        self.debug('[app] adding latex package: %r', packagename)
        self.builder.usepackages.append((packagename, options))

    def add_lexer(self, alias, lexer):
        # type: (unicode, Any) -> None
        self.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        # type: (Any) -> None
        self.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext import autodoc
        autodoc.add_documenter(cls)
        self.add_directive('auto' + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        # type: (Any, Callable) -> None
        self.debug('[app] adding autodoc attrgetter: %r', (type, getter))
        from sphinx.ext import autodoc
        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        # type: (Any) -> None
        self.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls

    def add_source_parser(self, suffix, parser):
        # type: (unicode, Parser) -> None
        self.debug('[app] adding search source_parser: %r, %r', suffix, parser)
        if suffix in self._additional_source_parsers:
            self.warn('while setting up extension %s: source_parser for %r is '
                      'already registered, it will be overridden' %
                      (self._setting_up_extension[-1], suffix),
                      type='app', subtype='add_source_parser')
        self._additional_source_parsers[suffix] = parser
Beispiel #8
0
def rst2html(s, fLOG=noLOG, writer="sphinx", keep_warnings=False,
             directives=None, language="en", warnings_log=False,
             **options):
    """
    converts a string into HTML format

    @param      s               string to converts
    @param      fLOG            logging function (warnings will be logged)
    @param      writer          *None* or an instance such as ``HTMLWriterWithCustomDirectives()`` or
                                ``custom`` or ``sphinx``
    @param      keep_warnings   keep_warnings in the final HTML
    @param      directives      new directives to add (see below)
    @param      language        language
    @param      options         Sphinx options see `Render math as images <http://www.sphinx-doc.org/en/stable/ext/math.html#module-sphinx.ext.imgmath>`_,
                                a subset of options is used, see @see fn default_sphinx_options
    @param      warnings_log    send warnings to log (True) or to the warning stream(False)
    @return                     HTML format

    *directives* is None or a list of 5-uple:

    * a directive name
    * a directive class: see `Sphinx Directive <http://sphinx-doc.org/extdev/tutorial.html>`_, see also @see cl RunPythonDirective as an example
    * a docutils node: see @see cl runpython_node as an example
    * two functions: see @see fn visit_runpython_node, @see fn depart_runpython_node as an example

    .. exref::
        :title: How to test a Sphinx directive?

        The following code defines a simple directive defined based on an existing one.
        It also defined what to do if a new node is inserted in the documentation.

        ::

            from docutils import nodes
            from pyquickhelper.helpgen import rst2html

            class runpythonthis_node(nodes.Structural, nodes.Element):
                pass

            class RunPythonThisDirective (RunPythonDirective):
                runpython_class = runpythonthis_node

            def visit_node(self, node):
                self.body.append("<p><b>visit_node</b></p>")
            def depart_node(self, node):
                self.body.append("<p><b>depart_node</b></p>")

            content = '''
                        test a directive
                        ================

                        .. runpythonthis::

                            print("this code shoud appear" + "___")
                        '''.replace("                    ", "")
                        # to remove spaces at the beginning of the line

            tives = [ ("runpythonthis", RunPythonThisDirective,
                    runpythonthis_node,
                    visit_node, depart_node) ]

            html = rst2html(content, fLOG=fLOG,
                            writer="custom", keep_warnings=True,
                            directives=tives)

        Unfortunately, this functionality is only tested on Python 3.
        It might only work on Python 2.7.
        The function produces files if the document contains latex
        converted into image.

   .. faqref::
       :title: How to get more about latex errors?
       :index: latex

        Sphinx is not easy to use when it comes to debug latex expressions.
        I did not find an easy way to read the error returned by latex about
        a missing bracket or an unknown command. I fianlly added a short piece
        of code in ``sphinx.ext.imgmath.py`` just after the call to
        the executable indicated by *imgmath_latex*

        ::

            if b'...' in stdout or b'LaTeX Error' in stdout:
                print(self.builder.config.imgmath_latex_preamble)
                print(p.returncode)
                print("################")
                print(latex)
                print("..........")
                print(stdout.decode("ascii").replace("\r", ""))
                print("-----")
                print(stderr)

        It displays the output if an error happened.

    .. faqref::
        :title: How to hide command line window while compiling latex?
        :lid: command line window

        Sphinx calls latex through command line. On Windows, a command line window
        can annoyingly show up anytime a formula is compile. The following
        line can be added to hide it:

        ::

            startupinfo = STARTUPINFO()
            startupinfo.dwFlags |= STARTF_USESHOWWINDOW

        And ``, startupinfo=startupinfo`` must be added to lines ``p = Popen(...``.

    .. versionadded:: 1.0

    .. versionchanged:: 1.3
        Parameters *writer*, *keep_warnings* were added to specifiy a custom writer
        and to keep the warnings. By default, the function now interprets *Sphinx*
        directives and not only *docutils* ones.
        Parameter *directives* was added to add a directive before parsing the RST.

    .. versionchanged:: 1.4
        Add directives *todoext*, *todo*, *mathdef*, *blocref*, *faqref*,*nbref*, *exref*,
        parameter *language* was added.
        Add directives *graphviz*, *math*.
        Parse more extensive Sphinx syntax.
    """
    _nbeq = [0, None]

    def custom_html_visit_displaymath(self, node):
        if not hasattr(node, "number"):
            node["number"] = None
        try:
            return html_visit_displaymath(self, node)
        except AttributeError as e:
            if "math_number_all" in str(e) and sys.version_info[:2] <= (2, 7):
                # Python 2.7 produces the following error:
                # AttributeError: No such config value: math_number_all
                # we skip
                return []
            else:
                raise e

    class MockSphinxApp:
        """
        Mock Sphinx application
        """

        def __init__(self, writer, app):
            self.app = app
            self.new_options = {}
            self.writer = writer
            self.mapping = {"<class 'sphinx.ext.todo.todo_node'>": "todo",
                            "<class 'sphinx.ext.graphviz.graphviz'>": "graphviz",
                            "<class 'sphinx.ext.mathbase.math'>": "math",
                            "<class 'sphinx.ext.mathbase.displaymath'>": "displaymath",
                            "<class 'sphinx.ext.mathbase.eqref'>": "eqref",
                            "<class 'matplotlib.sphinxext.only_directives.html_only'>": "only",
                            "<class 'matplotlib.sphinxext.only_directives.latex_only'>": "only",
                            }
            self.mapping_connect = {}
            self.config = Config(None, None, overrides={}, tags=None)
            self.confdir = "."
            self.doctreedir = "."
            self.builder = writer.builder
            self.domains = {}
            self._events = {}

        def add_directive(self, name, cl, *args, **options):
            doc_directives.register_directive(name, cl)
            self.mapping[str(cl)] = name
            self.app.add_directive(name, cl, *args, **options)

        def add_role(self, name, cl):
            doc_roles.register_canonical_role(name, cl)
            self.mapping[str(cl)] = name
            self.app.add_role(name, cl)

        def add_mapping(self, name, cl):
            self.mapping[str(cl)] = name

        def add_config_value(self, name, default, rebuild, types=()):
            if name in self.config.values:
                raise Exception('Config value %r already present' % name)
            if rebuild in (False, True):
                rebuild = rebuild and 'env' or ''
            self.new_options[name] = (default, rebuild, types)
            self.config.values[name] = (default, rebuild, types)

        def get_default_values(self):
            return {k: v[0] for k, v in self.new_options.items()}

        def add_node(self, clnode, html=None, latex=None, text=None, man=None,
                     texinfo=None, override=True):
            if override and html is not None:
                name = str(clnode)
                if "displaymath" in name:
                    self.writer.connect_directive_node(
                        self.mapping[name], custom_html_visit_displaymath, html[1])
                else:
                    self.writer.connect_directive_node(
                        self.mapping[name], html[0], html[1])

        def connect(self, node, func):
            self.mapping_connect[node] = func
            self.app.connect(node, func)

        def add_domain(self, domain):
            if domain.name in self.domains:
                raise Exception(
                    'domain %s already registered' % domain.name)
            self.domains[domain.name] = domain

        def add_event(self, name):
            if name in self._events:
                raise Exception('Event %s already present' % name)
            self._events[name] = ''

        def emit(self, event, *args):
            return self.app.emit(event, *args)

    title_names = []

    if writer in ["custom", "sphinx"]:
        writer = HTMLWriterWithCustomDirectives()
        writer_name = 'pseudoxml'
        mockapp = MockSphinxApp(writer, writer.app)

        from sphinx.ext.graphviz import setup as setup_graphviz
        from sphinx.ext.imgmath import setup as setup_math, html_visit_displaymath
        from sphinx.ext.todo import setup as setup_todo

        # directives from pyquickhelper
        setup_blog(mockapp)
        setup_runpython(mockapp)
        setup_sharenet(mockapp)
        setup_todoext(mockapp)
        setup_bigger(mockapp)
        setup_githublink(mockapp)
        setup_runpython(mockapp)
        setup_mathdef(mockapp)
        setup_blocref(mockapp)
        setup_faqref(mockapp)
        setup_exref(mockapp)
        setup_nbref(mockapp)

        # directives from sphinx
        setup_graphviz(mockapp)
        setup_math(mockapp)
        setup_todo(mockapp)

        # don't move this import to the beginning of file
        # it changes matplotlib backend
        from matplotlib.sphinxext.plot_directive import setup as setup_plot
        from matplotlib.sphinxext.only_directives import setup as setup_only
        setup_plot(mockapp)
        setup_only(mockapp)

        # titles
        title_names.append("todoext_node")
        title_names.append("todo_node")
        title_names.append("mathdef_node")
        title_names.append("blocref_node")
        title_names.append("faqref_node")
        title_names.append("nbref_node")
        title_names.append("exref_node")
    else:
        writer_name = 'html'
        mockapp = MockSphinxApp(None)

    if writer is None and directives is not None and len(directives) > 0:
        raise NotImplementedError(
            "the writer must not be null if custom directives will be added, check the documentation of the fucntion")

    if directives is not None:
        for tu in directives:
            if len(tu) != 5:
                raise ValueError(
                    "directives is a list of tuple with 5 elements, check the documentation")
            name, cl, node, f1, f2 = tu
            doc_directives.register_directive(name, cl)
            # not necessary
            # nodes._add_node_class_names([node.__name__])
            writer.connect_directive_node(node.__name__, f1, f2)

    settings_overrides = default_settings.copy()
    settings_overrides.update({k: v[0]
                               for k, v in mockapp.new_options.items()})

    # next
    defopt = default_sphinx_options(**options)
    settings_overrides.update(defopt)
    warning_stringio = defopt["warning_stream"]
    _nbeq[1] = warning_stringio

    config = mockapp.config
    config.init_values(fLOG)
    config.blog_background = False
    config.sharepost = None

    writer.add_configuration_options(mockapp.new_options)
    for k in {'outdir', 'imagedir', 'confdir', 'doctreedir'}:
        setattr(writer.builder, k, settings_overrides[k])

    env = BuildEnvironment(None, None, config=config)
    env.temp_data["docname"] = "string"
    mockapp.builder.env.temp_data["docname"] = "string"
    settings_overrides["env"] = env

    lang = languages.get_language(language)
    for name in title_names:
        if name not in lang.labels:
            lang.labels[name] = TITLES[language][name]

    for k, v in sorted(settings_overrides.items()):
        fLOG("[rst2html] {0}={1}{2}".format(
            k, v, " --- added" if hasattr(config, k) else ""))
    for k, v in sorted(settings_overrides.items()):
        if hasattr(writer.builder.config, k) and writer.builder.config[k] != v:
            writer.builder.config[k] = v

    # something is screwing with sphinx or docutils, it is due to
    # direct call to nbconvert or sphinx
    # raise an exception for unknown role pending_xref
    output, pub = core.publish_programmatically(source=s, source_path=None,
                                                destination_path=None, writer=writer,
                                                writer_name=writer_name,
                                                settings_overrides=settings_overrides,
                                                source_class=StringInput,
                                                destination_class=StringOutput,
                                                destination=None,
                                                reader=None, reader_name='standalone',
                                                parser=None, parser_name='restructuredtext',
                                                settings=None, settings_spec=None,
                                                config_section=None,
                                                enable_exit_status=False)

    doctree = pub.document
    mockapp.emit('doctree-read', doctree)
    parts = pub.writer.parts

    warnval = settings_overrides["warning_stream"].getvalue()
    if warnval is not None and len(warnval) > 0:
        if warnings_log:
            fLOG(warnval)
        else:
            warnings.warn(warnval)

    if not keep_warnings:
        exp = re.sub(
            '(<div class="system-message">(.|\\n)*?</div>)', "", parts["whole"])
    else:
        exp = parts["whole"]

    return exp
Beispiel #9
0
 def merge(docs, otherenv):
     # type: (List[unicode], unicode) -> None
     env = BuildEnvironment.loads(otherenv)
     self.env.merge_info_from(docs, env, self.app)
Beispiel #10
0
    def assign_section_numbers(self, env: BuildEnvironment) -> List[str]:
        """Assign a section number to each heading under a numbered toctree."""
        # a list of all docnames whose section numbers changed
        rewrite_needed = []

        assigned = set()  # type: Set[str]
        old_secnumbers = env.toc_secnumbers
        env.toc_secnumbers = {}

        def _walk_toc(node: Element, secnums: Dict, depth: int, titlenode: nodes.title = None) -> None:  # NOQA
            # titlenode is the title of the document, it will get assigned a
            # secnumber too, so that it shows up in next/prev/parent rellinks
            for subnode in node.children:
                if isinstance(subnode, nodes.bullet_list):
                    numstack.append(0)
                    _walk_toc(subnode, secnums, depth - 1, titlenode)
                    numstack.pop()
                    titlenode = None
                elif isinstance(subnode, nodes.list_item):
                    _walk_toc(subnode, secnums, depth, titlenode)
                    titlenode = None
                elif isinstance(subnode, addnodes.only):
                    # at this stage we don't know yet which sections are going
                    # to be included; just include all of them, even if it leads
                    # to gaps in the numbering
                    _walk_toc(subnode, secnums, depth, titlenode)
                    titlenode = None
                elif isinstance(subnode, addnodes.compact_paragraph):
                    numstack[-1] += 1
                    reference = cast(nodes.reference, subnode[0])
                    if depth > 0:
                        number = list(numstack)
                        secnums[reference['anchorname']] = tuple(numstack)
                    else:
                        number = None
                        secnums[reference['anchorname']] = None
                    reference['secnumber'] = number
                    if titlenode:
                        titlenode['secnumber'] = number
                        titlenode = None
                elif isinstance(subnode, addnodes.toctree):
                    _walk_toctree(subnode, depth)

        def _walk_toctree(toctreenode: addnodes.toctree, depth: int) -> None:
            if depth == 0:
                return
            for (title, ref) in toctreenode['entries']:
                if url_re.match(ref) or ref == 'self':
                    # don't mess with those
                    continue
                elif ref in assigned:
                    logger.warning(__('%s is already assigned section numbers '
                                      '(nested numbered toctree?)'), ref,
                                   location=toctreenode, type='toc', subtype='secnum')
                elif ref in env.tocs:
                    secnums = {}  # type: Dict[str, Tuple[int, ...]]
                    env.toc_secnumbers[ref] = secnums
                    assigned.add(ref)
                    _walk_toc(env.tocs[ref], secnums, depth, env.titles.get(ref))
                    if secnums != old_secnumbers.get(ref):
                        rewrite_needed.append(ref)

        for docname in env.numbered_toctrees:
            assigned.add(docname)
            doctree = env.get_doctree(docname)
            for toctreenode in doctree.traverse(addnodes.toctree):
                depth = toctreenode.get('numbered', 0)
                if depth:
                    # every numbered toctree gets new numbering
                    numstack = [0]
                    _walk_toctree(toctreenode, depth)

        return rewrite_needed
Beispiel #11
0
class Sphinx(object):
    def __init__(self,
                 srcdir,
                 confdir,
                 outdir,
                 doctreedir,
                 buildername,
                 confoverrides=None,
                 status=sys.stdout,
                 warning=sys.stderr,
                 freshenv=False,
                 warningiserror=False,
                 tags=None,
                 verbosity=0,
                 parallel=0):
        # type: (unicode, unicode, unicode, unicode, unicode, Dict, IO, IO, bool, bool, List[unicode], int, int) -> None  # NOQA
        self.verbosity = verbosity
        self.extensions = {}  # type: Dict[unicode, Extension]
        self._setting_up_extension = ['?']  # type: List[unicode]
        self.builder = None  # type: Builder
        self.env = None  # type: BuildEnvironment
        self.registry = SphinxComponentRegistry()
        self.enumerable_nodes = {
        }  # type: Dict[nodes.Node, Tuple[unicode, Callable]]  # NOQA
        self.post_transforms = []  # type: List[Transform]
        self.html_themes = {}  # type: Dict[unicode, unicode]

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = cStringIO()  # type: IO
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = cStringIO()  # type: IO
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror
        logging.setup(self, self._status, self._warning)

        self.events = EventManager()

        # keep last few messages for traceback
        # This will be filled by sphinx.util.logging.LastMessagesWriter
        self.messagelog = deque(maxlen=10)  # type: deque

        # say hello to the world
        logger.info(bold('Running Sphinx v%s' % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        if not path.isdir(outdir):
            logger.info('making output directory...')
            os.makedirs(outdir)

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME, confoverrides or {},
                             self.tags)
        self.config.check_unicode()
        # defer checking types until i18n has been initialized

        # initialize some limited config variables before initialize i18n and loading
        # extensions
        self.config.pre_init_values()

        # set up translation infrastructure
        self._init_i18n()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__:
            raise VersionRequirementError(
                _('This project needs at least Sphinx v%s and therefore cannot '
                  'be built with this version.') % self.config.needs_sphinx)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all built-in extension modules
        for extension in builtin_extensions:
            self.setup_extension(extension)

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)

        # preload builder module (before init config values)
        self.preload_builder(buildername)

        # the config file itself can be an extension
        if self.config.setup:
            self._setting_up_extension = ['conf.py']
            # py31 doesn't have 'callable' function for below check
            if hasattr(self.config.setup, '__call__'):
                self.config.setup(self)
            else:
                raise ConfigError(
                    _("'setup' as currently defined in conf.py isn't a Python callable. "
                      "Please modify its definition to make it a callable function. This is "
                      "needed for conf.py to behave as a Sphinx extension."))

        # now that we know all config values, collect them from conf.py
        self.config.init_values()

        # check extension versions if requested
        verify_required_extensions(self, self.config.needs_extensions)

        # check primary_domain if requested
        primary_domain = self.config.primary_domain
        if primary_domain and not self.registry.has_domain(primary_domain):
            logger.warning(_('primary_domain %r not found, ignored.'),
                           primary_domain)

        # create the builder
        self.builder = self.create_builder(buildername)
        # check all configuration values for permissible types
        self.config.check_types()
        # set up source_parsers
        self._init_source_parsers()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder()
        # set up the enumerable nodes
        self._init_enumerable_nodes()

    def _init_i18n(self):
        # type: () -> None
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            logger.info(bold('loading translations [%s]... ' %
                             self.config.language),
                        nonl=True)
            user_locale_dirs = [
                path.join(self.srcdir, x) for x in self.config.locale_dirs
            ]
            # compile mo files if sphinx.po file in user locale directories are updated
            for catinfo in find_catalog_source_files(
                    user_locale_dirs,
                    self.config.language,
                    domains=['sphinx'],
                    charset=self.config.source_encoding):
                catinfo.write_mo(self.config.language)
            locale_dirs = [None, path.join(package_dir, 'locale')
                           ] + user_locale_dirs
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs,
                                                       self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                logger.info(_('done'))
            else:
                logger.info('not available for built-in messages')

    def _init_source_parsers(self):
        # type: () -> None
        for suffix, parser in iteritems(self.config.source_parsers):
            self.add_source_parser(suffix, parser)
        for suffix, parser in iteritems(self.registry.get_source_parsers()):
            if suffix not in self.config.source_suffix and suffix != '*':
                self.config.source_suffix.append(suffix)

    def _init_env(self, freshenv):
        # type: (bool) -> None
        if freshenv:
            self.env = BuildEnvironment(self)
            self.env.find_files(self.config, self.builder)
            for domain in self.registry.create_domains(self.env):
                self.env.domains[domain.name] = domain
        else:
            try:
                logger.info(bold(_('loading pickled environment... ')),
                            nonl=True)
                filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
                self.env = BuildEnvironment.frompickle(filename, self)
                self.env.domains = {}
                for domain in self.registry.create_domains(self.env):
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain.name] = domain
                logger.info(_('done'))
            except Exception as err:
                if isinstance(err, IOError) and err.errno == ENOENT:
                    logger.info(_('not yet created'))
                else:
                    logger.info(_('failed: %s'), err)
                self._init_env(freshenv=True)

    def preload_builder(self, name):
        # type: (unicode) -> None
        self.registry.preload_builder(self, name)

    def create_builder(self, name):
        # type: (unicode) -> Builder
        if name is None:
            logger.info(_('No builder selected, using default: html'))
            name = 'html'

        return self.registry.create_builder(self, name)

    def _init_builder(self):
        # type: () -> None
        self.builder.set_environment(self.env)
        self.builder.init()
        self.emit('builder-inited')

    def _init_enumerable_nodes(self):
        # type: () -> None
        for node, settings in iteritems(self.enumerable_nodes):
            self.env.get_domain(
                'std').enumerable_nodes[node] = settings  # type: ignore

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        # type: (bool, List[unicode]) -> None
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            status = (self.statuscode == 0 and _('succeeded')
                      or _('finished with problems'))
            if self._warncount:
                logger.info(
                    bold(
                        _('build %s, %s warning%s.') %
                        (status, self._warncount, self._warncount != 1 and 's'
                         or '')))
            else:
                logger.info(bold(_('build %s.') % status))
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------
    def warn(self, message, location=None, type=None, subtype=None):
        # type: (unicode, unicode, unicode, unicode) -> None
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *type* and *subtype* are used to suppress warnings with :confval:`suppress_warnings`.
        """
        warnings.warn(
            'app.warning() is now deprecated. Use sphinx.util.logging instead.',
            RemovedInSphinx20Warning)
        logger.warning(message, type=type, subtype=subtype, location=location)

    def info(self, message='', nonl=False):
        # type: (unicode, bool) -> None
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        warnings.warn(
            'app.info() is now deprecated. Use sphinx.util.logging instead.',
            RemovedInSphinx20Warning)
        logger.info(message, nonl=nonl)

    def verbose(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a verbose informational message."""
        warnings.warn(
            'app.verbose() is now deprecated. Use sphinx.util.logging instead.',
            RemovedInSphinx20Warning)
        logger.verbose(message, *args, **kwargs)

    def debug(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a debug-level informational message."""
        warnings.warn(
            'app.debug() is now deprecated. Use sphinx.util.logging instead.',
            RemovedInSphinx20Warning)
        logger.debug(message, *args, **kwargs)

    def debug2(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a lowlevel debug-level informational message."""
        warnings.warn('app.debug2() is now deprecated. Use debug() instead.',
                      RemovedInSphinx20Warning)
        logger.debug(message, *args, **kwargs)

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extname):
        # type: (unicode) -> None
        """Import and setup a Sphinx extension module. No-op if called twice."""
        logger.debug('[app] setting up extension: %r', extname)
        self.registry.load_extension(self, extname)

    def require_sphinx(self, version):
        # type: (unicode) -> None
        # check the Sphinx version if requested
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        # type: (str, unicode) -> Any
        """Import an object from a 'module.name' string."""
        return import_object(objname, source=None)

    # event interface
    def connect(self, event, callback):
        # type: (unicode, Callable) -> int
        listener_id = self.events.connect(event, callback)
        logger.debug('[app] connecting event %r: %r [id=%s]', event, callback,
                     listener_id)
        return listener_id

    def disconnect(self, listener_id):
        # type: (int) -> None
        logger.debug('[app] disconnecting event: [id=%s]', listener_id)
        self.events.disconnect(listener_id)

    def emit(self, event, *args):
        # type: (unicode, Any) -> List
        try:
            logger.debug('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        return self.events.emit(event, self, *args)

    def emit_firstresult(self, event, *args):
        # type: (unicode, Any) -> Any
        return self.events.emit_firstresult(event, self, *args)

    # registering addon parts

    def add_builder(self, builder):
        # type: (Type[Builder]) -> None
        logger.debug('[app] adding builder: %r', builder)
        self.registry.add_builder(builder)

    def add_config_value(self, name, default, rebuild, types=()):
        # type: (unicode, Any, Union[bool, unicode], Any) -> None
        logger.debug('[app] adding config value: %r',
                     (name, default, rebuild) + ((types, ) if types else
                                                 ()))  # type: ignore
        if name in self.config:
            raise ExtensionError(_('Config value %r already present') % name)
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.add(name, default, rebuild, types)

    def add_event(self, name):
        # type: (unicode) -> None
        logger.debug('[app] adding event: %r', name)
        self.events.add(name)

    def set_translator(self, name, translator_class):
        # type: (unicode, Type[nodes.NodeVisitor]) -> None
        logger.info(bold(_('Change of translator for the %s builder.') % name))
        self.registry.add_translator(name, translator_class)

    def add_node(self, node, **kwds):
        # type: (nodes.Node, Any) -> None
        logger.debug('[app] adding node: %r', (node, kwds))
        if not kwds.pop('override', False) and \
           hasattr(nodes.GenericNodeVisitor, 'visit_' + node.__name__):
            logger.warning(_(
                'while setting up extension %s: node class %r is '
                'already registered, its visitors will be overridden'),
                           self._setting_up_extension,
                           node.__name__,
                           type='app',
                           subtype='add_node')
        nodes._add_node_class_names([node.__name__])
        for key, val in iteritems(kwds):
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError(
                    _('Value for key %r must be a '
                      '(visit, depart) function tuple') % key)
            translator = self.registry.translators.get(key)
            translators = []
            if translator is not None:
                translators.append(translator)
            elif key == 'html':
                from sphinx.writers.html import HTMLTranslator
                translators.append(HTMLTranslator)
                if is_html5_writer_available():
                    from sphinx.writers.html5 import HTML5Translator
                    translators.append(HTML5Translator)
            elif key == 'latex':
                from sphinx.writers.latex import LaTeXTranslator
                translators.append(LaTeXTranslator)
            elif key == 'text':
                from sphinx.writers.text import TextTranslator
                translators.append(TextTranslator)
            elif key == 'man':
                from sphinx.writers.manpage import ManualPageTranslator
                translators.append(ManualPageTranslator)
            elif key == 'texinfo':
                from sphinx.writers.texinfo import TexinfoTranslator
                translators.append(TexinfoTranslator)

            for translator in translators:
                setattr(translator, 'visit_' + node.__name__, visit)
                if depart:
                    setattr(translator, 'depart_' + node.__name__, depart)

    def add_enumerable_node(self, node, figtype, title_getter=None, **kwds):
        # type: (nodes.Node, unicode, Callable, Any) -> None
        self.enumerable_nodes[node] = (figtype, title_getter)
        self.add_node(node, **kwds)

    def add_directive(self,
                      name,
                      obj,
                      content=None,
                      arguments=None,
                      **options):
        # type: (unicode, Any, bool, Tuple[int, int, bool], Any) -> None
        logger.debug('[app] adding directive: %r',
                     (name, obj, content, arguments, options))
        if name in directives._directives:
            logger.warning(_('while setting up extension %s: directive %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1],
                           name,
                           type='app',
                           subtype='add_directive')
        directive = directive_helper(obj, content, arguments, **options)
        directives.register_directive(name, directive)

    def add_role(self, name, role):
        # type: (unicode, Any) -> None
        logger.debug('[app] adding role: %r', (name, role))
        if name in roles._roles:
            logger.warning(_('while setting up extension %s: role %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1],
                           name,
                           type='app',
                           subtype='add_role')
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # type: (unicode, Any) -> None
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        logger.debug('[app] adding generic role: %r', (name, nodeclass))
        if name in roles._roles:
            logger.warning(_('while setting up extension %s: role %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1],
                           name,
                           type='app',
                           subtype='add_generic_role')
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        # type: (Type[Domain]) -> None
        logger.debug('[app] adding domain: %r', domain)
        self.registry.add_domain(domain)

    def override_domain(self, domain):
        # type: (Type[Domain]) -> None
        logger.debug('[app] overriding domain: %r', domain)
        self.registry.override_domain(domain)

    def add_directive_to_domain(self,
                                domain,
                                name,
                                obj,
                                has_content=None,
                                argument_spec=None,
                                **option_spec):
        # type: (unicode, unicode, Any, bool, Any, Any) -> None
        logger.debug(
            '[app] adding directive to domain: %r',
            (domain, name, obj, has_content, argument_spec, option_spec))
        self.registry.add_directive_to_domain(domain, name, obj, has_content,
                                              argument_spec, **option_spec)

    def add_role_to_domain(self, domain, name, role):
        # type: (unicode, unicode, Any) -> None
        logger.debug('[app] adding role to domain: %r', (domain, name, role))
        self.registry.add_role_to_domain(domain, name, role)

    def add_index_to_domain(self, domain, index):
        # type: (unicode, Type[Index]) -> None
        logger.debug('[app] adding index to domain: %r', (domain, index))
        self.registry.add_index_to_domain(domain, index)

    def add_object_type(self,
                        directivename,
                        rolename,
                        indextemplate='',
                        parse_node=None,
                        ref_nodeclass=None,
                        objname='',
                        doc_field_types=[]):
        # type: (unicode, unicode, unicode, Callable, nodes.Node, unicode, List) -> None
        logger.debug('[app] adding object type: %r',
                     (directivename, rolename, indextemplate, parse_node,
                      ref_nodeclass, objname, doc_field_types))
        self.registry.add_object_type(directivename, rolename, indextemplate,
                                      parse_node, ref_nodeclass, objname,
                                      doc_field_types)

    def add_description_unit(self,
                             directivename,
                             rolename,
                             indextemplate='',
                             parse_node=None,
                             ref_nodeclass=None,
                             objname='',
                             doc_field_types=[]):
        # type: (unicode, unicode, unicode, Callable, nodes.Node, unicode, List) -> None
        warnings.warn(
            'app.add_description_unit() is now deprecated. '
            'Use app.add_object_type() instead.', RemovedInSphinx20Warning)
        self.add_object_type(directivename, rolename, indextemplate,
                             parse_node, ref_nodeclass, objname,
                             doc_field_types)

    def add_crossref_type(self,
                          directivename,
                          rolename,
                          indextemplate='',
                          ref_nodeclass=None,
                          objname=''):
        # type: (unicode, unicode, unicode, nodes.Node, unicode) -> None
        logger.debug(
            '[app] adding crossref type: %r',
            (directivename, rolename, indextemplate, ref_nodeclass, objname))
        self.registry.add_crossref_type(directivename, rolename, indextemplate,
                                        ref_nodeclass, objname)

    def add_transform(self, transform):
        # type: (Type[Transform]) -> None
        logger.debug('[app] adding transform: %r', transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_post_transform(self, transform):
        # type: (Type[Transform]) -> None
        logger.debug('[app] adding post transform: %r', transform)
        self.post_transforms.append(transform)

    def add_javascript(self, filename):
        # type: (unicode) -> None
        logger.debug('[app] adding javascript: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(
                posixpath.join('_static', filename))

    def add_stylesheet(self, filename, alternate=False, title=None):
        # type: (unicode, bool, unicode) -> None
        logger.debug('[app] adding stylesheet: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder, Stylesheet
        if '://' not in filename:
            filename = posixpath.join('_static', filename)
        if alternate:
            rel = u'alternate stylesheet'
        else:
            rel = u'stylesheet'
        css = Stylesheet(filename, title, rel)  # type: ignore
        StandaloneHTMLBuilder.css_files.append(css)

    def add_latex_package(self, packagename, options=None):
        # type: (unicode, unicode) -> None
        logger.debug('[app] adding latex package: %r', packagename)
        if hasattr(self.builder, 'usepackages'):  # only for LaTeX builder
            self.builder.usepackages.append(
                (packagename, options))  # type: ignore

    def add_lexer(self, alias, lexer):
        # type: (unicode, Any) -> None
        logger.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        # type: (Any) -> None
        logger.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext import autodoc
        autodoc.add_documenter(cls)
        self.add_directive('auto' + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        # type: (Any, Callable) -> None
        logger.debug('[app] adding autodoc attrgetter: %r', (type, getter))
        from sphinx.ext import autodoc
        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        # type: (Any) -> None
        logger.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls

    def add_source_parser(self, suffix, parser):
        # type: (unicode, Parser) -> None
        logger.debug('[app] adding search source_parser: %r, %r', suffix,
                     parser)
        self.registry.add_source_parser(suffix, parser)

    def add_env_collector(self, collector):
        # type: (Type[EnvironmentCollector]) -> None
        logger.debug('[app] adding environment collector: %r', collector)
        collector().enable(self)

    def add_html_theme(self, name, theme_path):
        # type: (unicode, unicode) -> None
        logger.debug('[app] adding HTML theme: %r, %r', name, theme_path)
        self.html_themes[name] = theme_path
Beispiel #12
0
 def merge_other(self, app: Sphinx, env: BuildEnvironment,
                 docnames: Set[str], other: BuildEnvironment) -> None:
     for docname in docnames:
         if docname in other.dependencies:
             env.dependencies[docname] = other.dependencies[docname]
Beispiel #13
0
class Sphinx(object):

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0):
        # type: (unicode, unicode, unicode, unicode, unicode, Dict, IO, IO, bool, bool, List[unicode], int, int) -> None  # NOQA
        self.verbosity = verbosity
        self.extensions = {}                    # type: Dict[unicode, Extension]
        self._setting_up_extension = ['?']      # type: List[unicode]
        self.builder = None                     # type: Builder
        self.env = None                         # type: BuildEnvironment
        self.registry = SphinxComponentRegistry()
        self.enumerable_nodes = {}              # type: Dict[nodes.Node, Tuple[unicode, Callable]]  # NOQA
        self.post_transforms = []               # type: List[Transform]
        self.html_themes = {}                   # type: Dict[unicode, unicode]

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = cStringIO()      # type: IO
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = cStringIO()     # type: IO
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror
        logging.setup(self, self._status, self._warning)

        self.events = EventManager()

        # keep last few messages for traceback
        # This will be filled by sphinx.util.logging.LastMessagesWriter
        self.messagelog = deque(maxlen=10)  # type: deque

        # say hello to the world
        logger.info(bold('Running Sphinx v%s' % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        if not path.isdir(outdir):
            logger.info('making output directory...')
            os.makedirs(outdir)

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME,
                             confoverrides or {}, self.tags)
        self.config.check_unicode()
        # defer checking types until i18n has been initialized

        # initialize some limited config variables before initialize i18n and loading
        # extensions
        self.config.pre_init_values()

        # set up translation infrastructure
        self._init_i18n()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__:
            raise VersionRequirementError(
                __('This project needs at least Sphinx v%s and therefore cannot '
                   'be built with this version.') % self.config.needs_sphinx)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all built-in extension modules
        for extension in builtin_extensions:
            self.setup_extension(extension)

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)

        # preload builder module (before init config values)
        self.preload_builder(buildername)

        # the config file itself can be an extension
        if self.config.setup:
            self._setting_up_extension = ['conf.py']
            # py31 doesn't have 'callable' function for below check
            if hasattr(self.config.setup, '__call__'):
                self.config.setup(self)
            else:
                raise ConfigError(
                    __("'setup' as currently defined in conf.py isn't a Python callable. "
                       "Please modify its definition to make it a callable function. This is "
                       "needed for conf.py to behave as a Sphinx extension.")
                )

        # now that we know all config values, collect them from conf.py
        self.config.init_values()

        # check extension versions if requested
        verify_required_extensions(self, self.config.needs_extensions)

        # check primary_domain if requested
        primary_domain = self.config.primary_domain
        if primary_domain and not self.registry.has_domain(primary_domain):
            logger.warning(__('primary_domain %r not found, ignored.'), primary_domain)

        # create the builder
        self.builder = self.create_builder(buildername)
        # check all configuration values for permissible types
        self.config.check_types()
        # set up source_parsers
        self._init_source_parsers()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder()
        # set up the enumerable nodes
        self._init_enumerable_nodes()

    def _init_i18n(self):
        # type: () -> None
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            logger.info(bold('loading translations [%s]... ' % self.config.language),
                        nonl=True)
            user_locale_dirs = [
                path.join(self.srcdir, x) for x in self.config.locale_dirs]
            # compile mo files if sphinx.po file in user locale directories are updated
            for catinfo in find_catalog_source_files(
                    user_locale_dirs, self.config.language, domains=['sphinx'],
                    charset=self.config.source_encoding):
                catinfo.write_mo(self.config.language)
            locale_dirs = [None, path.join(package_dir, 'locale')] + user_locale_dirs
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs, self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                logger.info(__('done'))
            else:
                logger.info('not available for built-in messages')

    def _init_source_parsers(self):
        # type: () -> None
        for suffix, parser in iteritems(self.config.source_parsers):
            self.add_source_parser(suffix, parser)
        for suffix, parser in iteritems(self.registry.get_source_parsers()):
            if suffix not in self.config.source_suffix and suffix != '*':
                self.config.source_suffix.append(suffix)

    def _init_env(self, freshenv):
        # type: (bool) -> None
        if freshenv:
            self.env = BuildEnvironment(self)
            self.env.find_files(self.config, self.builder)
            for domain in self.registry.create_domains(self.env):
                self.env.domains[domain.name] = domain
        else:
            try:
                logger.info(bold(__('loading pickled environment... ')), nonl=True)
                filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
                self.env = BuildEnvironment.frompickle(filename, self)
                self.env.domains = {}
                for domain in self.registry.create_domains(self.env):
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain.name] = domain
                logger.info(__('done'))
            except Exception as err:
                if isinstance(err, IOError) and err.errno == ENOENT:
                    logger.info(__('not yet created'))
                else:
                    logger.info(__('failed: %s'), err)
                self._init_env(freshenv=True)

    def preload_builder(self, name):
        # type: (unicode) -> None
        self.registry.preload_builder(self, name)

    def create_builder(self, name):
        # type: (unicode) -> Builder
        if name is None:
            logger.info(__('No builder selected, using default: html'))
            name = 'html'

        return self.registry.create_builder(self, name)

    def _init_builder(self):
        # type: () -> None
        self.builder.set_environment(self.env)
        self.builder.init()
        self.emit('builder-inited')

    def _init_enumerable_nodes(self):
        # type: () -> None
        for node, settings in iteritems(self.enumerable_nodes):
            self.env.get_domain('std').enumerable_nodes[node] = settings  # type: ignore

    @property
    def buildername(self):
        # type: () -> unicode
        warnings.warn('app.buildername is deprecated. Please use app.builder.name instead',
                      RemovedInSphinx17Warning)
        return self.builder.name

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        # type: (bool, List[unicode]) -> None
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            status = (self.statuscode == 0 and
                      __('succeeded') or __('finished with problems'))
            if self._warncount:
                logger.info(bold(__('build %s, %s warning%s.') %
                                 (status, self._warncount,
                                  self._warncount != 1 and 's' or '')))
            else:
                logger.info(bold(__('build %s.') % status))
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------
    def warn(self, message, location=None, prefix=None,
             type=None, subtype=None, colorfunc=None):
        # type: (unicode, unicode, unicode, unicode, unicode, Callable) -> None
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *prefix* usually should not be changed.

        *type* and *subtype* are used to suppress warnings with :confval:`suppress_warnings`.

        .. note::

           For warnings emitted during parsing, you should use
           :meth:`.BuildEnvironment.warn` since that will collect all
           warnings during parsing for later output.
        """
        if prefix:
            warnings.warn('prefix option of warn() is now deprecated.',
                          RemovedInSphinx17Warning)
        if colorfunc:
            warnings.warn('colorfunc option of warn() is now deprecated.',
                          RemovedInSphinx17Warning)

        warnings.warn('app.warning() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.warning(message, type=type, subtype=subtype, location=location)

    def info(self, message='', nonl=False):
        # type: (unicode, bool) -> None
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        warnings.warn('app.info() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.info(message, nonl=nonl)

    def verbose(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a verbose informational message."""
        warnings.warn('app.verbose() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.verbose(message, *args, **kwargs)

    def debug(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a debug-level informational message."""
        warnings.warn('app.debug() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.debug(message, *args, **kwargs)

    def debug2(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a lowlevel debug-level informational message."""
        warnings.warn('app.debug2() is now deprecated. Use debug() instead.',
                      RemovedInSphinx20Warning)
        logger.debug(message, *args, **kwargs)

    def _display_chunk(chunk):
        # type: (Any) -> unicode
        warnings.warn('app._display_chunk() is now deprecated. '
                      'Use sphinx.util.display_chunk() instead.',
                      RemovedInSphinx17Warning)
        return display_chunk(chunk)

    def old_status_iterator(self, iterable, summary, colorfunc=darkgreen,
                            stringify_func=display_chunk):
        # type: (Iterable, unicode, Callable, Callable[[Any], unicode]) -> Iterator
        warnings.warn('app.old_status_iterator() is now deprecated. '
                      'Use sphinx.util.status_iterator() instead.',
                      RemovedInSphinx17Warning)
        for item in old_status_iterator(iterable, summary,
                                        color="darkgreen", stringify_func=stringify_func):
            yield item

    # new version with progress info
    def status_iterator(self, iterable, summary, colorfunc=darkgreen, length=0,
                        stringify_func=_display_chunk):
        # type: (Iterable, unicode, Callable, int, Callable[[Any], unicode]) -> Iterable
        warnings.warn('app.status_iterator() is now deprecated. '
                      'Use sphinx.util.status_iterator() instead.',
                      RemovedInSphinx17Warning)
        for item in status_iterator(iterable, summary, length=length, verbosity=self.verbosity,
                                    color="darkgreen", stringify_func=stringify_func):
            yield item

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extname):
        # type: (unicode) -> None
        """Import and setup a Sphinx extension module. No-op if called twice."""
        logger.debug('[app] setting up extension: %r', extname)
        self.registry.load_extension(self, extname)

    def require_sphinx(self, version):
        # type: (unicode) -> None
        # check the Sphinx version if requested
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        # type: (str, unicode) -> Any
        """Import an object from a 'module.name' string."""
        return import_object(objname, source=None)

    # event interface
    def connect(self, event, callback):
        # type: (unicode, Callable) -> int
        listener_id = self.events.connect(event, callback)
        logger.debug('[app] connecting event %r: %r [id=%s]', event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        # type: (int) -> None
        logger.debug('[app] disconnecting event: [id=%s]', listener_id)
        self.events.disconnect(listener_id)

    def emit(self, event, *args):
        # type: (unicode, Any) -> List
        try:
            logger.debug('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        return self.events.emit(event, self, *args)

    def emit_firstresult(self, event, *args):
        # type: (unicode, Any) -> Any
        return self.events.emit_firstresult(event, self, *args)

    # registering addon parts

    def add_builder(self, builder):
        # type: (Type[Builder]) -> None
        logger.debug('[app] adding builder: %r', builder)
        self.registry.add_builder(builder)

    def add_config_value(self, name, default, rebuild, types=()):
        # type: (unicode, Any, Union[bool, unicode], Any) -> None
        logger.debug('[app] adding config value: %r',
                     (name, default, rebuild) + ((types,) if types else ()))  # type: ignore
        if name in self.config:
            raise ExtensionError(__('Config value %r already present') % name)
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.add(name, default, rebuild, types)

    def add_event(self, name):
        # type: (unicode) -> None
        logger.debug('[app] adding event: %r', name)
        self.events.add(name)

    def set_translator(self, name, translator_class):
        # type: (unicode, Type[nodes.NodeVisitor]) -> None
        logger.info(bold(__('Change of translator for the %s builder.') % name))
        self.registry.add_translator(name, translator_class)

    def add_node(self, node, **kwds):
        # type: (nodes.Node, Any) -> None
        logger.debug('[app] adding node: %r', (node, kwds))
        if not kwds.pop('override', False) and \
           hasattr(nodes.GenericNodeVisitor, 'visit_' + node.__name__):
            logger.warning(__('while setting up extension %s: node class %r is '
                              'already registered, its visitors will be overridden'),
                           self._setting_up_extension, node.__name__,
                           type='app', subtype='add_node')
        nodes._add_node_class_names([node.__name__])
        for key, val in iteritems(kwds):
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError(__('Value for key %r must be a '
                                        '(visit, depart) function tuple') % key)
            translator = self.registry.translators.get(key)
            translators = []
            if translator is not None:
                translators.append(translator)
            elif key == 'html':
                from sphinx.writers.html import HTMLTranslator
                translators.append(HTMLTranslator)
                if is_html5_writer_available():
                    from sphinx.writers.html5 import HTML5Translator
                    translators.append(HTML5Translator)
            elif key == 'latex':
                from sphinx.writers.latex import LaTeXTranslator
                translators.append(LaTeXTranslator)
            elif key == 'text':
                from sphinx.writers.text import TextTranslator
                translators.append(TextTranslator)
            elif key == 'man':
                from sphinx.writers.manpage import ManualPageTranslator
                translators.append(ManualPageTranslator)
            elif key == 'texinfo':
                from sphinx.writers.texinfo import TexinfoTranslator
                translators.append(TexinfoTranslator)

            for translator in translators:
                setattr(translator, 'visit_' + node.__name__, visit)
                if depart:
                    setattr(translator, 'depart_' + node.__name__, depart)

    def add_enumerable_node(self, node, figtype, title_getter=None, **kwds):
        # type: (nodes.Node, unicode, Callable, Any) -> None
        self.enumerable_nodes[node] = (figtype, title_getter)
        self.add_node(node, **kwds)

    def _directive_helper(self, obj, has_content=None, argument_spec=None, **option_spec):
        # type: (Any, bool, Tuple[int, int, bool], Any) -> Any
        warnings.warn('_directive_helper() is now deprecated. '
                      'Please use sphinx.util.docutils.directive_helper() instead.',
                      RemovedInSphinx17Warning)
        return directive_helper(obj, has_content, argument_spec, **option_spec)

    def add_directive(self, name, obj, content=None, arguments=None, **options):
        # type: (unicode, Any, bool, Tuple[int, int, bool], Any) -> None
        logger.debug('[app] adding directive: %r',
                     (name, obj, content, arguments, options))
        if name in directives._directives:
            logger.warning(__('while setting up extension %s: directive %r is '
                              'already registered, it will be overridden'),
                           self._setting_up_extension[-1], name,
                           type='app', subtype='add_directive')
        directive = directive_helper(obj, content, arguments, **options)
        directives.register_directive(name, directive)

    def add_role(self, name, role):
        # type: (unicode, Any) -> None
        logger.debug('[app] adding role: %r', (name, role))
        if name in roles._roles:
            logger.warning(__('while setting up extension %s: role %r is '
                              'already registered, it will be overridden'),
                           self._setting_up_extension[-1], name,
                           type='app', subtype='add_role')
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # type: (unicode, Any) -> None
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        logger.debug('[app] adding generic role: %r', (name, nodeclass))
        if name in roles._roles:
            logger.warning(__('while setting up extension %s: role %r is '
                              'already registered, it will be overridden'),
                           self._setting_up_extension[-1], name,
                           type='app', subtype='add_generic_role')
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        # type: (Type[Domain]) -> None
        logger.debug('[app] adding domain: %r', domain)
        self.registry.add_domain(domain)

    def override_domain(self, domain):
        # type: (Type[Domain]) -> None
        logger.debug('[app] overriding domain: %r', domain)
        self.registry.override_domain(domain)

    def add_directive_to_domain(self, domain, name, obj,
                                has_content=None, argument_spec=None, **option_spec):
        # type: (unicode, unicode, Any, bool, Any, Any) -> None
        logger.debug('[app] adding directive to domain: %r',
                     (domain, name, obj, has_content, argument_spec, option_spec))
        self.registry.add_directive_to_domain(domain, name, obj,
                                              has_content, argument_spec, **option_spec)

    def add_role_to_domain(self, domain, name, role):
        # type: (unicode, unicode, Any) -> None
        logger.debug('[app] adding role to domain: %r', (domain, name, role))
        self.registry.add_role_to_domain(domain, name, role)

    def add_index_to_domain(self, domain, index):
        # type: (unicode, Type[Index]) -> None
        logger.debug('[app] adding index to domain: %r', (domain, index))
        self.registry.add_index_to_domain(domain, index)

    def add_object_type(self, directivename, rolename, indextemplate='',
                        parse_node=None, ref_nodeclass=None, objname='',
                        doc_field_types=[]):
        # type: (unicode, unicode, unicode, Callable, nodes.Node, unicode, List) -> None
        logger.debug('[app] adding object type: %r',
                     (directivename, rolename, indextemplate, parse_node,
                      ref_nodeclass, objname, doc_field_types))
        self.registry.add_object_type(directivename, rolename, indextemplate, parse_node,
                                      ref_nodeclass, objname, doc_field_types)

    def add_description_unit(self, directivename, rolename, indextemplate='',
                             parse_node=None, ref_nodeclass=None, objname='',
                             doc_field_types=[]):
        # type: (unicode, unicode, unicode, Callable, nodes.Node, unicode, List) -> None
        warnings.warn('app.add_description_unit() is now deprecated. '
                      'Use app.add_object_type() instead.',
                      RemovedInSphinx20Warning)
        self.add_object_type(directivename, rolename, indextemplate, parse_node,
                             ref_nodeclass, objname, doc_field_types)

    def add_crossref_type(self, directivename, rolename, indextemplate='',
                          ref_nodeclass=None, objname=''):
        # type: (unicode, unicode, unicode, nodes.Node, unicode) -> None
        logger.debug('[app] adding crossref type: %r',
                     (directivename, rolename, indextemplate, ref_nodeclass,
                      objname))
        self.registry.add_crossref_type(directivename, rolename,
                                        indextemplate, ref_nodeclass, objname)

    def add_transform(self, transform):
        # type: (Type[Transform]) -> None
        logger.debug('[app] adding transform: %r', transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_post_transform(self, transform):
        # type: (Type[Transform]) -> None
        logger.debug('[app] adding post transform: %r', transform)
        self.post_transforms.append(transform)

    def add_javascript(self, filename):
        # type: (unicode) -> None
        logger.debug('[app] adding javascript: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(
                posixpath.join('_static', filename))

    def add_stylesheet(self, filename, alternate=False, title=None):
        # type: (unicode, bool, unicode) -> None
        logger.debug('[app] adding stylesheet: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder, Stylesheet
        if '://' not in filename:
            filename = posixpath.join('_static', filename)
        if alternate:
            rel = u'alternate stylesheet'
        else:
            rel = u'stylesheet'
        css = Stylesheet(filename, title, rel)  # type: ignore
        StandaloneHTMLBuilder.css_files.append(css)

    def add_latex_package(self, packagename, options=None):
        # type: (unicode, unicode) -> None
        logger.debug('[app] adding latex package: %r', packagename)
        if hasattr(self.builder, 'usepackages'):  # only for LaTeX builder
            self.builder.usepackages.append((packagename, options))  # type: ignore

    def add_lexer(self, alias, lexer):
        # type: (unicode, Any) -> None
        logger.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        # type: (Any) -> None
        logger.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext import autodoc
        autodoc.add_documenter(cls)
        self.add_directive('auto' + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        # type: (Any, Callable) -> None
        logger.debug('[app] adding autodoc attrgetter: %r', (type, getter))
        from sphinx.ext import autodoc
        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        # type: (Any) -> None
        logger.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls

    def add_source_parser(self, suffix, parser):
        # type: (unicode, Parser) -> None
        logger.debug('[app] adding search source_parser: %r, %r', suffix, parser)
        self.registry.add_source_parser(suffix, parser)

    def add_env_collector(self, collector):
        # type: (Type[EnvironmentCollector]) -> None
        logger.debug('[app] adding environment collector: %r', collector)
        collector().enable(self)

    def add_html_theme(self, name, theme_path):
        # type: (unicode, unicode) -> None
        logger.debug('[app] adding HTML theme: %r, %r', name, theme_path)
        self.html_themes[name] = theme_path
Beispiel #14
0
 def __init__(self, *args, **kwargs):
     self.main_tocs = {}
     BuildEnvironment.__init__(self, *args, **kwargs)
Beispiel #15
0
class Sphinx(object):
    def __init__(self,
                 srcdir,
                 confdir,
                 outdir,
                 doctreedir,
                 buildername,
                 confoverrides=None,
                 status=sys.stdout,
                 warning=sys.stderr,
                 freshenv=False,
                 warningiserror=False,
                 tags=None,
                 verbosity=0,
                 parallel=0):
        self.verbosity = verbosity
        self.next_listener_id = 0
        self._extensions = {}
        self._listeners = {}
        self.domains = BUILTIN_DOMAINS.copy()
        self.builderclasses = BUILTIN_BUILDERS.copy()
        self.builder = None
        self.env = None

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = StringIO()
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = StringIO()
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror

        self._events = events.copy()

        # say hello to the world
        self.info(bold('Running Sphinx v%s' % sphinx.__version__))

        # status code for command-line application
        self.statuscode = 0

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME, confoverrides or {},
                             self.tags)
        self.config.check_unicode(self.warn)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # backwards compatibility: activate old C markup
        self.setup_extension('sphinx.ext.oldcmarkup')
        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            self.config.setup(self)

        # now that we know all config values, collect them from conf.py
        self.config.init_values()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and \
           self.config.needs_sphinx > sphinx.__version__[:3]:
            raise VersionRequirementError(
                'This project needs at least Sphinx v%s and therefore cannot '
                'be built with this version.' % self.config.needs_sphinx)

        # set up translation infrastructure
        self._init_i18n()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(buildername)

    def _init_i18n(self):
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            self.info(bold('loading translations [%s]... ' %
                           self.config.language),
                      nonl=True)
            locale_dirs = [None, path.join(package_dir, 'locale')] + \
                [path.join(self.srcdir, x) for x in self.config.locale_dirs]
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs,
                                                       self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                self.info('done')
            else:
                self.info('not available for built-in messages')

    def _init_env(self, freshenv):
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir,
                                        self.config)
            self.env.find_files(self.config)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold('loading pickled environment... '), nonl=True)
                self.env = BuildEnvironment.frompickle(
                    self.config, path.join(self.doctreedir,
                                           ENV_PICKLE_FILENAME))
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info('done')
            except Exception, err:
                if type(err) is IOError and err.errno == ENOENT:
                    self.info('not yet created')
                else:
                    self.info('failed: %s' % err)
                return self._init_env(freshenv=True)

        self.env.set_warnfunc(self.warn)
Beispiel #16
0
    def __init__(self, filename, encoding="utf8", raise_exception=False):
        """
        create an instance of a blog post from a file or a string

        @param      filename            filename or string
        @param      encoding            encoding
        @param      raise_exception     to raise an exception when the blog cannot be parsed

        The constructor creates the following members:

        * title
        * date
        * keywords
        * categories
        * _filename
        * _raw
        * rst_obj: the object generated by docutils (@see cl BlogPostDirective)
        * pub: Publisher

        .. versionchanged:: 1.3
            Parameter *raise_exception* was added to catch the standard error.
            The constructor aims at getting the text of a blog post, not
            interpreting it. The code used to throw warnings or errors due to
            unreferenced nodes.

        """
        if os.path.exists(filename):
            with open(filename, "r", encoding=encoding) as f:
                try:
                    content = f.read()
                except UnicodeDecodeError as e:
                    raise Exception(
                        'unable to read filename (encoding issue):\n  File "{0}", line 1'.format(filename)) from e
            self._filename = filename
        else:
            content = filename
            self._filename = None

        self._raw = content

        overrides = {}
        overrides['input_encoding'] = encoding
        overrides["out_blogpostlist"] = []
        overrides["blog_background"] = False
        overrides["sharepost"] = None

        overrides.update({'doctitle_xform': True,
                          'initial_header_level': 2,
                          'warning_stream': StringIO(),
                          'out_blogpostlist': [],
                          'out_runpythonlist': [],
                          })

        config = Config(None, None, overrides=overrides, tags=None)
        config.blog_background = False
        config.sharepost = None
        env = BuildEnvironment(None, None, config=config)
        env.temp_data["docname"] = "string"
        overrides["env"] = env

        errst = sys.stderr
        keeperr = StringIO()
        sys.stderr = keeperr

        output, pub = publish_programmatically(
            source_class=docio.StringInput,
            source=content,
            source_path=None,
            destination_class=docio.StringOutput,
            destination=None,
            destination_path=None,
            reader=None,
            reader_name='standalone',
            parser=None,
            parser_name='restructuredtext',
            writer=None,
            writer_name='null',
            settings=None,
            settings_spec=None,
            settings_overrides=overrides,
            config_section=None,
            enable_exit_status=None)

        sys.stderr = errst
        all_err = keeperr.getvalue()
        if len(all_err) > 0:
            if raise_exception:
                raise BlogPostParseError("unable to parse a blogpost:\nERR:\n{0}\nFILE\n{1}\nCONTENT\n{2}".format(
                    all_err, self._filename, content))
            else:
                # we assume we just need the content, raising a warnings
                # might make some process fail later
                # warnings.warn("Raw rst was caught but unable to fully parse a blogpost:\nERR:\n{0}\nFILE\n{1}\nCONTENT\n{2}".format(
                #     all_err, self._filename, content))
                pass

        # document = pub.writer.document
        objects = pub.settings.out_blogpostlist

        if len(objects) != 1:
            raise BlogPostParseError(
                'no blog post (#={1}) in\n  File "{0}", line 1'.format(filename, len(objects)))

        post = objects[0]
        for k in post.options:
            setattr(self, k, post.options[k])
        self.rst_obj = post
        self.pub = pub
        self._content = post.content
def generate_notebook_outputs(
    env: BuildEnvironment,
    ntbk: nbf.NotebookNode,
    file_path: Optional[str] = None,
    show_traceback: bool = False,
) -> nbf.NotebookNode:
    """
    Add outputs to a NotebookNode by pulling from cache.

    Function to get the database instance. Get the cached output of the notebook
    and merge it with the original notebook. If there is no cached output,
    checks if there was error during execution, then saves the traceback to a log file.
    """

    # check if the file is of a format that may be associated with outputs
    if not is_valid_exec_file(env, env.docname):
        return ntbk

    # If we have a jupyter_cache, see if there's a cache for this notebook
    file_path = file_path or env.doc2path(env.docname)

    execution_method = env.config["jupyter_execute_notebooks"]  # type: str

    path_to_cache = env.nb_path_to_cache if "cache" in execution_method else None

    if not path_to_cache and "off" in execution_method:
        return ntbk

    if not path_to_cache:

        if execution_method == "auto" and nb_has_all_output(file_path):
            LOGGER.info(
                "Did not execute %s. "
                "Set jupyter_execute_notebooks to `force` to execute",
                env.docname,
            )
        else:
            if env.config["execution_in_temp"]:
                with tempfile.TemporaryDirectory() as tmpdirname:
                    LOGGER.info("Executing: %s in temporary directory",
                                env.docname)
                    result = single_nb_execution(
                        ntbk,
                        cwd=tmpdirname,
                        timeout=env.config["execution_timeout"],
                        allow_errors=env.config["execution_allow_errors"],
                    )
            else:
                cwd = Path(file_path).parent
                LOGGER.info("Executing: %s in: %s", env.docname, cwd)
                result = single_nb_execution(
                    ntbk,
                    cwd=cwd,
                    timeout=env.config["execution_timeout"],
                    allow_errors=env.config["execution_allow_errors"],
                )

            report_path = None
            if result.err:
                report_path, message = _report_exec_fail(
                    env,
                    Path(file_path).name,
                    result.exc_string,
                    show_traceback,
                    "Execution Failed with traceback saved in {}",
                )
                LOGGER.error(message)

            ntbk = result.nb

            env.nb_execution_data_changed = True
            env.nb_execution_data[env.docname] = {
                "mtime": datetime.now().timestamp(),
                "runtime": result.time,
                "method": execution_method,
                "succeeded": False if result.err else True,
            }
            if report_path:
                env.nb_execution_data[env.docname]["error_log"] = report_path

        return ntbk

    cache_base = get_cache(path_to_cache)
    # Use relpath here in case Sphinx is building from a non-parent folder
    r_file_path = Path(os.path.relpath(file_path, Path().resolve()))

    # default execution data
    runtime = None
    succeeded = False
    report_path = None

    try:
        pk, ntbk = cache_base.merge_match_into_notebook(ntbk)
    except KeyError:
        message = (
            f"Couldn't find cache key for notebook file {str(r_file_path)}. "
            "Outputs will not be inserted.")
        try:
            stage_record = cache_base.get_staged_record(file_path)
        except KeyError:
            stage_record = None
        if stage_record and stage_record.traceback:
            report_path, suffix = _report_exec_fail(
                env,
                r_file_path.name,
                stage_record.traceback,
                show_traceback,
                "\n  Last execution failed with traceback saved in {}",
            )
            message += suffix

        LOGGER.error(message)

    else:
        LOGGER.verbose("Merged cached outputs into %s", str(r_file_path))
        succeeded = True
        try:
            runtime = cache_base.get_cache_record(pk).data.get(
                "execution_seconds", None)
        except Exception:
            pass

    env.nb_execution_data_changed = True
    env.nb_execution_data[env.docname] = {
        "mtime": datetime.now().timestamp(),
        "runtime": runtime,
        "method": execution_method,
        "succeeded": succeeded,
    }
    if report_path:
        env.nb_execution_data[env.docname]["error_log"] = report_path

    return ntbk
Beispiel #18
0
def missing_reference(app: Sphinx, env: BuildEnvironment, node: Element,
                      contnode: TextElement) -> nodes.reference:
    """Attempt to resolve a missing reference via intersphinx references."""
    target = node['reftarget']
    inventories = InventoryAdapter(env)
    objtypes = None  # type: List[str]
    if node['reftype'] == 'any':
        # we search anything!
        objtypes = [
            '%s:%s' % (domain.name, objtype)
            for domain in env.domains.values()
            for objtype in domain.object_types
        ]
        domain = None
    else:
        domain = node.get('refdomain')
        if not domain:
            # only objects in domains are in the inventory
            return None
        objtypes = env.get_domain(domain).objtypes_for_role(node['reftype'])
        if not objtypes:
            return None
        objtypes = ['%s:%s' % (domain, objtype) for objtype in objtypes]
    if 'std:cmdoption' in objtypes:
        # until Sphinx-1.6, cmdoptions are stored as std:option
        objtypes.append('std:option')
    to_try = [(inventories.main_inventory, target)]
    if domain:
        full_qualified_name = env.get_domain(domain).get_full_qualified_name(
            node)
        if full_qualified_name:
            to_try.append((inventories.main_inventory, full_qualified_name))
    in_set = None
    if ':' in target:
        # first part may be the foreign doc set name
        setname, newtarget = target.split(':', 1)
        if setname in inventories.named_inventory:
            in_set = setname
            to_try.append((inventories.named_inventory[setname], newtarget))
            if domain:
                node['reftarget'] = newtarget
                full_qualified_name = env.get_domain(
                    domain).get_full_qualified_name(node)
                if full_qualified_name:
                    to_try.append((inventories.named_inventory[setname],
                                   full_qualified_name))
    for inventory, target in to_try:
        for objtype in objtypes:
            if objtype not in inventory or target not in inventory[objtype]:
                continue
            proj, version, uri, dispname = inventory[objtype][target]
            if '://' not in uri and node.get('refdoc'):
                # get correct path in case of subdirectories
                uri = path.join(relative_path(node['refdoc'], '.'), uri)
            if version:
                reftitle = _('(in %s v%s)') % (proj, version)
            else:
                reftitle = _('(in %s)') % (proj, )
            newnode = nodes.reference('',
                                      '',
                                      internal=False,
                                      refuri=uri,
                                      reftitle=reftitle)
            if node.get('refexplicit'):
                # use whatever title was given
                newnode.append(contnode)
            elif dispname == '-' or \
                    (domain == 'std' and node['reftype'] == 'keyword'):
                # use whatever title was given, but strip prefix
                title = contnode.astext()
                if in_set and title.startswith(in_set + ':'):
                    newnode.append(
                        contnode.__class__(title[len(in_set) + 1:],
                                           title[len(in_set) + 1:]))
                else:
                    newnode.append(contnode)
            else:
                # else use the given display name (used for :ref:)
                newnode.append(contnode.__class__(dispname, dispname))
            return newnode
    # at least get rid of the ':' in the target if no explicit title given
    if in_set is not None and not node.get('refexplicit', True):
        if len(contnode) and isinstance(contnode[0], nodes.Text):
            contnode[0] = nodes.Text(newtarget, contnode[0].rawsource)

    return None
Beispiel #19
0
def purge_todos(app: Sphinx, env: BuildEnvironment, docname: str) -> None:
    warnings.warn('purge_todos() is deprecated.', RemovedInSphinx40Warning, stacklevel=2)
    if not hasattr(env, 'todo_all_todos'):
        return
    env.todo_all_todos = [todo for todo in env.todo_all_todos  # type: ignore
                          if todo['docname'] != docname]
Beispiel #20
0
class Sphinx:
    """The main application class and extensibility interface.

    :ivar srcdir: Directory containing source.
    :ivar confdir: Directory containing ``conf.py``.
    :ivar doctreedir: Directory for storing pickled doctrees.
    :ivar outdir: Directory for storing build documents.
    """

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0, keep_going=False):
        # type: (str, str, str, str, str, Dict, IO, IO, bool, bool, List[str], int, int, bool) -> None  # NOQA
        self.phase = BuildPhase.INITIALIZATION
        self.verbosity = verbosity
        self.extensions = {}                    # type: Dict[str, Extension]
        self.builder = None                     # type: Builder
        self.env = None                         # type: BuildEnvironment
        self.project = None                     # type: Project
        self.registry = SphinxComponentRegistry()
        self.html_themes = {}                   # type: Dict[str, str]

        # validate provided directories
        self.srcdir = abspath(srcdir)
        self.outdir = abspath(outdir)
        self.doctreedir = abspath(doctreedir)
        self.confdir = confdir
        if self.confdir:  # confdir is optional
            self.confdir = abspath(self.confdir)
            if not path.isfile(path.join(self.confdir, 'conf.py')):
                raise ApplicationError(__("config directory doesn't contain a "
                                          "conf.py file (%s)") % confdir)

        if not path.isdir(self.srcdir):
            raise ApplicationError(__('Cannot find source directory (%s)') %
                                   self.srcdir)

        if self.srcdir == self.outdir:
            raise ApplicationError(__('Source directory and destination '
                                      'directory cannot be identical'))

        self.parallel = parallel

        if status is None:
            self._status = StringIO()      # type: IO
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = StringIO()     # type: IO
        else:
            self._warning = warning
        self._warncount = 0
        self.keep_going = warningiserror and keep_going
        if self.keep_going:
            self.warningiserror = False
        else:
            self.warningiserror = warningiserror
        logging.setup(self, self._status, self._warning)

        self.events = EventManager()

        # keep last few messages for traceback
        # This will be filled by sphinx.util.logging.LastMessagesWriter
        self.messagelog = deque(maxlen=10)  # type: deque

        # say hello to the world
        logger.info(bold(__('Running Sphinx v%s') % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        # read config
        self.tags = Tags(tags)
        if self.confdir is None:
            self.config = Config({}, confoverrides or {})
        else:
            self.config = Config.read(self.confdir, confoverrides or {}, self.tags)

        # initialize some limited config variables before initialize i18n and loading
        # extensions
        self.config.pre_init_values()

        # set up translation infrastructure
        self._init_i18n()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__:
            raise VersionRequirementError(
                __('This project needs at least Sphinx v%s and therefore cannot '
                   'be built with this version.') % self.config.needs_sphinx)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all built-in extension modules
        for extension in builtin_extensions:
            self.setup_extension(extension)

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)

        # preload builder module (before init config values)
        self.preload_builder(buildername)

        if not path.isdir(outdir):
            with progress_message(__('making output directory')):
                ensuredir(outdir)

        # the config file itself can be an extension
        if self.config.setup:
            prefix = __('while setting up extension %s:') % "conf.py"
            with prefixed_warnings(prefix):
                if callable(self.config.setup):
                    self.config.setup(self)
                else:
                    raise ConfigError(
                        __("'setup' as currently defined in conf.py isn't a Python callable. "
                           "Please modify its definition to make it a callable function. "
                           "This is needed for conf.py to behave as a Sphinx extension.")
                    )

        # now that we know all config values, collect them from conf.py
        self.config.init_values()
        self.emit('config-inited', self.config)

        # create the project
        self.project = Project(self.srcdir, self.config.source_suffix)
        # create the builder
        self.builder = self.create_builder(buildername)
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder()

    def _init_i18n(self):
        # type: () -> None
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            logger.info(bold(__('loading translations [%s]... ') % self.config.language),
                        nonl=True)
            user_locale_dirs = [
                path.join(self.srcdir, x) for x in self.config.locale_dirs]
            # compile mo files if sphinx.po file in user locale directories are updated
            for catinfo in find_catalog_source_files(
                    user_locale_dirs, self.config.language, domains=['sphinx'],
                    charset=self.config.source_encoding):
                catinfo.write_mo(self.config.language)
            locale_dirs = [None, path.join(package_dir, 'locale')] + user_locale_dirs
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs, self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                logger.info(__('done'))
            else:
                logger.info(__('not available for built-in messages'))

    def _init_env(self, freshenv):
        # type: (bool) -> None
        filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
        if freshenv or not os.path.exists(filename):
            self.env = BuildEnvironment()
            self.env.setup(self)
            self.env.find_files(self.config, self.builder)
        else:
            try:
                with progress_message(__('loading pickled environment')):
                    with open(filename, 'rb') as f:
                        self.env = pickle.load(f)
                        self.env.setup(self)
            except Exception as err:
                logger.info(__('failed: %s'), err)
                self._init_env(freshenv=True)

    def preload_builder(self, name):
        # type: (str) -> None
        self.registry.preload_builder(self, name)

    def create_builder(self, name):
        # type: (str) -> Builder
        if name is None:
            logger.info(__('No builder selected, using default: html'))
            name = 'html'

        return self.registry.create_builder(self, name)

    def _init_builder(self):
        # type: () -> None
        self.builder.set_environment(self.env)
        self.builder.init()
        self.emit('builder-inited')

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        # type: (bool, List[str]) -> None
        self.phase = BuildPhase.READING
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            if self._warncount and self.keep_going:
                self.statuscode = 1

            status = (self.statuscode == 0 and
                      __('succeeded') or __('finished with problems'))
            if self._warncount:
                logger.info(bold(__('build %s, %s warning.',
                                    'build %s, %s warnings.', self._warncount) %
                                 (status, self._warncount)))
            else:
                logger.info(bold(__('build %s.') % status))

            if self.statuscode == 0 and self.builder.epilog:
                logger.info('')
                logger.info(self.builder.epilog % {
                    'outdir': relpath(self.outdir),
                    'project': self.config.project
                })
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extname):
        # type: (str) -> None
        """Import and setup a Sphinx extension module.

        Load the extension given by the module *name*.  Use this if your
        extension needs the features provided by another extension.  No-op if
        called twice.
        """
        logger.debug('[app] setting up extension: %r', extname)
        self.registry.load_extension(self, extname)

    def require_sphinx(self, version):
        # type: (str) -> None
        """Check the Sphinx version if requested.

        Compare *version* (which must be a ``major.minor`` version string, e.g.
        ``'1.1'``) with the version of the running Sphinx, and abort the build
        when it is too old.

        .. versionadded:: 1.0
        """
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        # type: (str, str) -> Any
        """Import an object from a ``module.name`` string.

        .. deprecated:: 1.8
           Use ``sphinx.util.import_object()`` instead.
        """
        warnings.warn('app.import_object() is deprecated. '
                      'Use sphinx.util.add_object_type() instead.',
                      RemovedInSphinx30Warning, stacklevel=2)
        return import_object(objname, source=None)

    # event interface
    def connect(self, event, callback):
        # type: (str, Callable) -> int
        """Register *callback* to be called when *event* is emitted.

        For details on available core events and the arguments of callback
        functions, please see :ref:`events`.

        The method returns a "listener ID" that can be used as an argument to
        :meth:`disconnect`.
        """
        listener_id = self.events.connect(event, callback)
        logger.debug('[app] connecting event %r: %r [id=%s]', event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        # type: (int) -> None
        """Unregister callback by *listener_id*."""
        logger.debug('[app] disconnecting event: [id=%s]', listener_id)
        self.events.disconnect(listener_id)

    def emit(self, event, *args):
        # type: (str, Any) -> List
        """Emit *event* and pass *arguments* to the callback functions.

        Return the return values of all callbacks as a list.  Do not emit core
        Sphinx events in extensions!
        """
        try:
            logger.debug('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        return self.events.emit(event, self, *args)

    def emit_firstresult(self, event, *args):
        # type: (str, Any) -> Any
        """Emit *event* and pass *arguments* to the callback functions.

        Return the result of the first callback that doesn't return ``None``.

        .. versionadded:: 0.5
        """
        return self.events.emit_firstresult(event, self, *args)

    # registering addon parts

    def add_builder(self, builder, override=False):
        # type: (Type[Builder], bool) -> None
        """Register a new builder.

        *builder* must be a class that inherits from
        :class:`~sphinx.builders.Builder`.

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_builder(builder, override=override)

    # TODO(stephenfin): Describe 'types' parameter
    def add_config_value(self, name, default, rebuild, types=()):
        # type: (str, Any, Union[bool, str], Any) -> None
        """Register a configuration value.

        This is necessary for Sphinx to recognize new values and set default
        values accordingly.  The *name* should be prefixed with the extension
        name, to avoid clashes.  The *default* value can be any Python object.
        The string value *rebuild* must be one of those values:

        * ``'env'`` if a change in the setting only takes effect when a
          document is parsed -- this means that the whole environment must be
          rebuilt.
        * ``'html'`` if a change in the setting needs a full rebuild of HTML
          documents.
        * ``''`` if a change in the setting will not need any special rebuild.

        .. versionchanged:: 0.6
           Changed *rebuild* from a simple boolean (equivalent to ``''`` or
           ``'env'``) to a string.  However, booleans are still accepted and
           converted internally.

        .. versionchanged:: 0.4
           If the *default* value is a callable, it will be called with the
           config object as its argument in order to get the default value.
           This can be used to implement config values whose default depends on
           other values.
        """
        logger.debug('[app] adding config value: %r',
                     (name, default, rebuild) + ((types,) if types else ()))  # type: ignore
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.add(name, default, rebuild, types)

    def add_event(self, name):
        # type: (str) -> None
        """Register an event called *name*.

        This is needed to be able to emit it.
        """
        logger.debug('[app] adding event: %r', name)
        self.events.add(name)

    def set_translator(self, name, translator_class, override=False):
        # type: (str, Type[nodes.NodeVisitor], bool) -> None
        """Register or override a Docutils translator class.

        This is used to register a custom output translator or to replace a
        builtin translator.  This allows extensions to use custom translator
        and define custom nodes for the translator (see :meth:`add_node`).

        .. versionadded:: 1.3
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_translator(name, translator_class, override=override)

    def add_node(self, node, override=False, **kwds):
        # type: (Type[nodes.Element], bool, Any) -> None
        """Register a Docutils node class.

        This is necessary for Docutils internals.  It may also be used in the
        future to validate nodes in the parsed documents.

        Node visitor functions for the Sphinx HTML, LaTeX, text and manpage
        writers can be given as keyword arguments: the keyword should be one or
        more of ``'html'``, ``'latex'``, ``'text'``, ``'man'``, ``'texinfo'``
        or any other supported translators, the value a 2-tuple of ``(visit,
        depart)`` methods.  ``depart`` can be ``None`` if the ``visit``
        function raises :exc:`docutils.nodes.SkipNode`.  Example:

        .. code-block:: python

           class math(docutils.nodes.Element): pass

           def visit_math_html(self, node):
               self.body.append(self.starttag(node, 'math'))
           def depart_math_html(self, node):
               self.body.append('</math>')

           app.add_node(math, html=(visit_math_html, depart_math_html))

        Obviously, translators for which you don't specify visitor methods will
        choke on the node when encountered in a document to translate.

        .. versionchanged:: 0.5
           Added the support for keyword arguments giving visit functions.
        """
        logger.debug('[app] adding node: %r', (node, kwds))
        if not override and docutils.is_node_registered(node):
            logger.warning(__('node class %r is already registered, '
                              'its visitors will be overridden'),
                           node.__name__, type='app', subtype='add_node')
        docutils.register_node(node)
        self.registry.add_translation_handlers(node, **kwds)

    def add_enumerable_node(self, node, figtype, title_getter=None, override=False, **kwds):
        # type: (Type[nodes.Element], str, TitleGetter, bool, Any) -> None
        """Register a Docutils node class as a numfig target.

        Sphinx numbers the node automatically. And then the users can refer it
        using :rst:role:`numref`.

        *figtype* is a type of enumerable nodes.  Each figtypes have individual
        numbering sequences.  As a system figtypes, ``figure``, ``table`` and
        ``code-block`` are defined.  It is able to add custom nodes to these
        default figtypes.  It is also able to define new custom figtype if new
        figtype is given.

        *title_getter* is a getter function to obtain the title of node.  It
        takes an instance of the enumerable node, and it must return its title
        as string.  The title is used to the default title of references for
        :rst:role:`ref`.  By default, Sphinx searches
        ``docutils.nodes.caption`` or ``docutils.nodes.title`` from the node as
        a title.

        Other keyword arguments are used for node visitor functions. See the
        :meth:`.Sphinx.add_node` for details.

        .. versionadded:: 1.4
        """
        self.registry.add_enumerable_node(node, figtype, title_getter, override=override)
        self.add_node(node, override=override, **kwds)

    @property
    def enumerable_nodes(self):
        # type: () -> Dict[Type[nodes.Node], Tuple[str, TitleGetter]]
        warnings.warn('app.enumerable_nodes() is deprecated. '
                      'Use app.get_domain("std").enumerable_nodes instead.',
                      RemovedInSphinx30Warning, stacklevel=2)
        return self.registry.enumerable_nodes

    def add_directive(self, name, obj, content=None, arguments=None, override=False, **options):  # NOQA
        # type: (str, Any, bool, Tuple[int, int, bool], bool, Any) -> None
        """Register a Docutils directive.

        *name* must be the prospective directive name.  There are two possible
        ways to write a directive:

        - In the docutils 0.4 style, *obj* is the directive function.
          *content*, *arguments* and *options* are set as attributes on the
          function and determine whether the directive has content, arguments
          and options, respectively.  **This style is deprecated.**

        - In the docutils 0.5 style, *obj* is the directive class.
          It must already have attributes named *has_content*,
          *required_arguments*, *optional_arguments*,
          *final_argument_whitespace* and *option_spec* that correspond to the
          options for the function way.  See `the Docutils docs
          <http://docutils.sourceforge.net/docs/howto/rst-directives.html>`_
          for details.

        The directive class must inherit from the class
        ``docutils.parsers.rst.Directive``.

        For example, the (already existing) :rst:dir:`literalinclude` directive
        would be added like this:

        .. code-block:: python

           from docutils.parsers.rst import Directive, directives

           class LiteralIncludeDirective(Directive):
               has_content = True
               required_arguments = 1
               optional_arguments = 0
               final_argument_whitespace = True
               option_spec = {
                   'class': directives.class_option,
                   'name': directives.unchanged,
               }

               def run(self):
                   ...

           add_directive('literalinclude', LiteralIncludeDirective)

        .. versionchanged:: 0.6
           Docutils 0.5-style directive classes are now supported.
        .. deprecated:: 1.8
           Docutils 0.4-style (function based) directives support is deprecated.
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        logger.debug('[app] adding directive: %r',
                     (name, obj, content, arguments, options))
        if not override and docutils.is_directive_registered(name):
            logger.warning(__('directive %r is already registered, it will be overridden'),
                           name, type='app', subtype='add_directive')

        if not isclass(obj) or not issubclass(obj, Directive):
            directive = directive_helper(obj, content, arguments, **options)
            docutils.register_directive(name, directive)
        else:
            docutils.register_directive(name, obj)

    def add_role(self, name, role, override=False):
        # type: (str, Any, bool) -> None
        """Register a Docutils role.

        *name* must be the role name that occurs in the source, *role* the role
        function. Refer to the `Docutils documentation
        <http://docutils.sourceforge.net/docs/howto/rst-roles.html>`_ for
        more information.

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        logger.debug('[app] adding role: %r', (name, role))
        if not override and docutils.is_role_registered(name):
            logger.warning(__('role %r is already registered, it will be overridden'),
                           name, type='app', subtype='add_role')
        docutils.register_role(name, role)

    def add_generic_role(self, name, nodeclass, override=False):
        # type: (str, Any, bool) -> None
        """Register a generic Docutils role.

        Register a Docutils role that does nothing but wrap its contents in the
        node given by *nodeclass*.

        .. versionadded:: 0.6
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        # Don't use ``roles.register_generic_role`` because it uses
        # ``register_canonical_role``.
        logger.debug('[app] adding generic role: %r', (name, nodeclass))
        if not override and docutils.is_role_registered(name):
            logger.warning(__('role %r is already registered, it will be overridden'),
                           name, type='app', subtype='add_generic_role')
        role = roles.GenericRole(name, nodeclass)
        docutils.register_role(name, role)

    def add_domain(self, domain, override=False):
        # type: (Type[Domain], bool) -> None
        """Register a domain.

        Make the given *domain* (which must be a class; more precisely, a
        subclass of :class:`~sphinx.domains.Domain`) known to Sphinx.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_domain(domain, override=override)

    def override_domain(self, domain):
        # type: (Type[Domain]) -> None
        """Override a registered domain.

        Make the given *domain* class known to Sphinx, assuming that there is
        already a domain with its ``.name``.  The new domain must be a subclass
        of the existing one.

        .. versionadded:: 1.0
        .. deprecated:: 1.8
           Integrated to :meth:`add_domain`.
        """
        warnings.warn('app.override_domain() is deprecated. '
                      'Use app.add_domain() with override option instead.',
                      RemovedInSphinx30Warning, stacklevel=2)
        self.registry.add_domain(domain, override=True)

    def add_directive_to_domain(self, domain, name, obj, has_content=None, argument_spec=None,
                                override=False, **option_spec):
        # type: (str, str, Any, bool, Any, bool, Any) -> None
        """Register a Docutils directive in a domain.

        Like :meth:`add_directive`, but the directive is added to the domain
        named *domain*.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_directive_to_domain(domain, name, obj,
                                              has_content, argument_spec, override=override,
                                              **option_spec)

    def add_role_to_domain(self, domain, name, role, override=False):
        # type: (str, str, Union[RoleFunction, XRefRole], bool) -> None
        """Register a Docutils role in a domain.

        Like :meth:`add_role`, but the role is added to the domain named
        *domain*.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_role_to_domain(domain, name, role, override=override)

    def add_index_to_domain(self, domain, index, override=False):
        # type: (str, Type[Index], bool) -> None
        """Register a custom index for a domain.

        Add a custom *index* class to the domain named *domain*.  *index* must
        be a subclass of :class:`~sphinx.domains.Index`.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_index_to_domain(domain, index)

    def add_object_type(self, directivename, rolename, indextemplate='',
                        parse_node=None, ref_nodeclass=None, objname='',
                        doc_field_types=[], override=False):
        # type: (str, str, str, Callable, Type[nodes.TextElement], str, List, bool) -> None
        """Register a new object type.

        This method is a very convenient way to add a new :term:`object` type
        that can be cross-referenced.  It will do this:

        - Create a new directive (called *directivename*) for documenting an
          object.  It will automatically add index entries if *indextemplate*
          is nonempty; if given, it must contain exactly one instance of
          ``%s``.  See the example below for how the template will be
          interpreted.
        - Create a new role (called *rolename*) to cross-reference to these
          object descriptions.
        - If you provide *parse_node*, it must be a function that takes a
          string and a docutils node, and it must populate the node with
          children parsed from the string.  It must then return the name of the
          item to be used in cross-referencing and index entries.  See the
          :file:`conf.py` file in the source for this documentation for an
          example.
        - The *objname* (if not given, will default to *directivename*) names
          the type of object.  It is used when listing objects, e.g. in search
          results.

        For example, if you have this call in a custom Sphinx extension::

           app.add_object_type('directive', 'dir', 'pair: %s; directive')

        you can use this markup in your documents::

           .. rst:directive:: function

              Document a function.

           <...>

           See also the :rst:dir:`function` directive.

        For the directive, an index entry will be generated as if you had prepended ::

           .. index:: pair: function; directive

        The reference node will be of class ``literal`` (so it will be rendered
        in a proportional font, as appropriate for code) unless you give the
        *ref_nodeclass* argument, which must be a docutils node class.  Most
        useful are ``docutils.nodes.emphasis`` or ``docutils.nodes.strong`` --
        you can also use ``docutils.nodes.generated`` if you want no further
        text decoration.  If the text should be treated as literal (e.g. no
        smart quote replacement), but not have typewriter styling, use
        ``sphinx.addnodes.literal_emphasis`` or
        ``sphinx.addnodes.literal_strong``.

        For the role content, you have the same syntactical possibilities as
        for standard Sphinx roles (see :ref:`xref-syntax`).

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_object_type(directivename, rolename, indextemplate, parse_node,
                                      ref_nodeclass, objname, doc_field_types,
                                      override=override)

    def add_crossref_type(self, directivename, rolename, indextemplate='',
                          ref_nodeclass=None, objname='', override=False):
        # type: (str, str, str, Type[nodes.TextElement], str, bool) -> None
        """Register a new crossref object type.

        This method is very similar to :meth:`add_object_type` except that the
        directive it generates must be empty, and will produce no output.

        That means that you can add semantic targets to your sources, and refer
        to them using custom roles instead of generic ones (like
        :rst:role:`ref`).  Example call::

           app.add_crossref_type('topic', 'topic', 'single: %s',
                                 docutils.nodes.emphasis)

        Example usage::

           .. topic:: application API

           The application API
           -------------------

           Some random text here.

           See also :topic:`this section <application API>`.

        (Of course, the element following the ``topic`` directive needn't be a
        section.)

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_crossref_type(directivename, rolename,
                                        indextemplate, ref_nodeclass, objname,
                                        override=override)

    def add_transform(self, transform):
        # type: (Type[Transform]) -> None
        """Register a Docutils transform to be applied after parsing.

        Add the standard docutils :class:`Transform` subclass *transform* to
        the list of transforms that are applied after Sphinx parses a reST
        document.

        .. list-table:: priority range categories for Sphinx transforms
           :widths: 20,80

           * - Priority
             - Main purpose in Sphinx
           * - 0-99
             - Fix invalid nodes by docutils. Translate a doctree.
           * - 100-299
             - Preparation
           * - 300-399
             - early
           * - 400-699
             - main
           * - 700-799
             - Post processing. Deadline to modify text and referencing.
           * - 800-899
             - Collect referencing and referenced nodes. Domain processing.
           * - 900-999
             - Finalize and clean up.

        refs: `Transform Priority Range Categories`__

        __ http://docutils.sourceforge.net/docs/ref/transforms.html#transform-priority-range-categories
        """  # NOQA
        self.registry.add_transform(transform)

    def add_post_transform(self, transform):
        # type: (Type[Transform]) -> None
        """Register a Docutils transform to be applied before writing.

        Add the standard docutils :class:`Transform` subclass *transform* to
        the list of transforms that are applied before Sphinx writes a
        document.
        """
        self.registry.add_post_transform(transform)

    def add_javascript(self, filename, **kwargs):
        # type: (str, **str) -> None
        """An alias of :meth:`add_js_file`."""
        warnings.warn('The app.add_javascript() is deprecated. '
                      'Please use app.add_js_file() instead.',
                      RemovedInSphinx40Warning, stacklevel=2)
        self.add_js_file(filename, **kwargs)

    def add_js_file(self, filename, **kwargs):
        # type: (str, **str) -> None
        """Register a JavaScript file to include in the HTML output.

        Add *filename* to the list of JavaScript files that the default HTML
        template will include.  The filename must be relative to the HTML
        static path , or a full URI with scheme.  The keyword arguments are
        also accepted for attributes of ``<script>`` tag.

        Example::

            app.add_js_file('example.js')
            # => <script src="_static/example.js"></script>

            app.add_js_file('example.js', async="async")
            # => <script src="_static/example.js" async="async"></script>

        .. versionadded:: 0.5

        .. versionchanged:: 1.8
           Renamed from ``app.add_javascript()``.
           And it allows keyword arguments as attributes of script tag.
        """
        self.registry.add_js_file(filename, **kwargs)
        if hasattr(self.builder, 'add_js_file'):
            self.builder.add_js_file(filename, **kwargs)  # type: ignore

    def add_css_file(self, filename, **kwargs):
        # type: (str, **str) -> None
        """Register a stylesheet to include in the HTML output.

        Add *filename* to the list of CSS files that the default HTML template
        will include.  The filename must be relative to the HTML static path,
        or a full URI with scheme.  The keyword arguments are also accepted for
        attributes of ``<link>`` tag.

        Example::

            app.add_css_file('custom.css')
            # => <link rel="stylesheet" href="_static/custom.css" type="text/css" />

            app.add_css_file('print.css', media='print')
            # => <link rel="stylesheet" href="_static/print.css"
            #          type="text/css" media="print" />

            app.add_css_file('fancy.css', rel='alternate stylesheet', title='fancy')
            # => <link rel="alternate stylesheet" href="_static/fancy.css"
            #          type="text/css" title="fancy" />

        .. versionadded:: 1.0

        .. versionchanged:: 1.6
           Optional ``alternate`` and/or ``title`` attributes can be supplied
           with the *alternate* (of boolean type) and *title* (a string)
           arguments. The default is no title and *alternate* = ``False``. For
           more information, refer to the `documentation
           <https://mdn.io/Web/CSS/Alternative_style_sheets>`__.

        .. versionchanged:: 1.8
           Renamed from ``app.add_stylesheet()``.
           And it allows keyword arguments as attributes of link tag.
        """
        logger.debug('[app] adding stylesheet: %r', filename)
        self.registry.add_css_files(filename, **kwargs)
        if hasattr(self.builder, 'add_css_file'):
            self.builder.add_css_file(filename, **kwargs)  # type: ignore

    def add_stylesheet(self, filename, alternate=False, title=None):
        # type: (str, bool, str) -> None
        """An alias of :meth:`add_css_file`."""
        warnings.warn('The app.add_stylesheet() is deprecated. '
                      'Please use app.add_css_file() instead.',
                      RemovedInSphinx40Warning, stacklevel=2)

        attributes = {}  # type: Dict[str, str]
        if alternate:
            attributes['rel'] = 'alternate stylesheet'
        else:
            attributes['rel'] = 'stylesheet'

        if title:
            attributes['title'] = title

        self.add_css_file(filename, **attributes)

    def add_latex_package(self, packagename, options=None):
        # type: (str, str) -> None
        r"""Register a package to include in the LaTeX source code.

        Add *packagename* to the list of packages that LaTeX source code will
        include.  If you provide *options*, it will be taken to `\usepackage`
        declaration.

        .. code-block:: python

           app.add_latex_package('mypackage')
           # => \usepackage{mypackage}
           app.add_latex_package('mypackage', 'foo,bar')
           # => \usepackage[foo,bar]{mypackage}

        .. versionadded:: 1.3
        """
        self.registry.add_latex_package(packagename, options)

    def add_lexer(self, alias, lexer):
        # type: (str, Any) -> None
        """Register a new lexer for source code.

        Use *lexer*, which must be an instance of a Pygments lexer class, to
        highlight code blocks with the given language *alias*.

        .. versionadded:: 0.6
        """
        logger.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        # type: (Any) -> None
        """Register a new documenter class for the autodoc extension.

        Add *cls* as a new documenter class for the :mod:`sphinx.ext.autodoc`
        extension.  It must be a subclass of
        :class:`sphinx.ext.autodoc.Documenter`.  This allows to auto-document
        new types of objects.  See the source of the autodoc module for
        examples on how to subclass :class:`Documenter`.

        .. todo:: Add real docs for Documenter and subclassing

        .. versionadded:: 0.6
        """
        logger.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext.autodoc.directive import AutodocDirective
        self.registry.add_documenter(cls.objtype, cls)
        self.add_directive('auto' + cls.objtype, AutodocDirective)

    def add_autodoc_attrgetter(self, typ, getter):
        # type: (Type, Callable[[Any, str, Any], Any]) -> None
        """Register a new ``getattr``-like function for the autodoc extension.

        Add *getter*, which must be a function with an interface compatible to
        the :func:`getattr` builtin, as the autodoc attribute getter for
        objects that are instances of *typ*.  All cases where autodoc needs to
        get an attribute of a type are then handled by this function instead of
        :func:`getattr`.

        .. versionadded:: 0.6
        """
        logger.debug('[app] adding autodoc attrgetter: %r', (typ, getter))
        self.registry.add_autodoc_attrgetter(typ, getter)

    def add_search_language(self, cls):
        # type: (Any) -> None
        """Register a new language for the HTML search index.

        Add *cls*, which must be a subclass of
        :class:`sphinx.search.SearchLanguage`, as a support language for
        building the HTML full-text search index.  The class must have a *lang*
        attribute that indicates the language it should be used for.  See
        :confval:`html_search_language`.

        .. versionadded:: 1.1
        """
        logger.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls

    def add_source_suffix(self, suffix, filetype, override=False):
        # type: (str, str, bool) -> None
        """Register a suffix of source files.

        Same as :confval:`source_suffix`.  The users can override this
        using the setting.

        .. versionadded:: 1.8
        """
        self.registry.add_source_suffix(suffix, filetype, override=override)

    def add_source_parser(self, *args, **kwargs):
        # type: (Any, Any) -> None
        """Register a parser class.

        .. versionadded:: 1.4
        .. versionchanged:: 1.8
           *suffix* argument is deprecated.  It only accepts *parser* argument.
           Use :meth:`add_source_suffix` API to register suffix instead.
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_source_parser(*args, **kwargs)

    def add_env_collector(self, collector):
        # type: (Type[EnvironmentCollector]) -> None
        """Register an environment collector class.

        Refer to :ref:`collector-api`.

        .. versionadded:: 1.6
        """
        logger.debug('[app] adding environment collector: %r', collector)
        collector().enable(self)

    def add_html_theme(self, name, theme_path):
        # type: (str, str) -> None
        """Register a HTML Theme.

        The *name* is a name of theme, and *path* is a full path to the theme
        (refs: :ref:`distribute-your-theme`).

        .. versionadded:: 1.6
        """
        logger.debug('[app] adding HTML theme: %r, %r', name, theme_path)
        self.html_themes[name] = theme_path

    def add_html_math_renderer(self, name, inline_renderers=None, block_renderers=None):
        # type: (str, Tuple[Callable, Callable], Tuple[Callable, Callable]) -> None
        """Register a math renderer for HTML.

        The *name* is a name of math renderer.  Both *inline_renderers* and
        *block_renderers* are used as visitor functions for the HTML writer:
        the former for inline math node (``nodes.math``), the latter for
        block math node (``nodes.math_block``).  Regarding visitor functions,
        see :meth:`add_node` for details.

        .. versionadded:: 1.8

        """
        self.registry.add_html_math_renderer(name, inline_renderers, block_renderers)

    def add_message_catalog(self, catalog, locale_dir):
        # type: (str, str) -> None
        """Register a message catalog.

        The *catalog* is a name of catalog, and *locale_dir* is a base path
        of message catalog.  For more details, see
        :func:`sphinx.locale.get_translation()`.

        .. versionadded:: 1.8
        """
        locale.init([locale_dir], self.config.language, catalog)
        locale.init_console(locale_dir, catalog)

    # ---- other methods -------------------------------------------------
    def is_parallel_allowed(self, typ):
        # type: (str) -> bool
        """Check parallel processing is allowed or not.

        ``typ`` is a type of processing; ``'read'`` or ``'write'``.
        """
        if typ == 'read':
            attrname = 'parallel_read_safe'
            message = __("the %s extension does not declare if it is safe "
                         "for parallel reading, assuming it isn't - please "
                         "ask the extension author to check and make it "
                         "explicit")
        elif typ == 'write':
            attrname = 'parallel_write_safe'
            message = __("the %s extension does not declare if it is safe "
                         "for parallel writing, assuming it isn't - please "
                         "ask the extension author to check and make it "
                         "explicit")
        else:
            raise ValueError('parallel type %s is not supported' % typ)

        for ext in self.extensions.values():
            allowed = getattr(ext, attrname, None)
            if allowed is None:
                logger.warning(message, ext.name)
                logger.warning(__('doing serial %s'), typ)
                return False
            elif not allowed:
                return False

        return True

    @property
    def _setting_up_extension(self):
        # type: () -> List[str]
        warnings.warn('app._setting_up_extension is deprecated.',
                      RemovedInSphinx30Warning)
        return ['?']
Beispiel #21
0
    def assign_figure_numbers(self, env: BuildEnvironment) -> List[str]:
        """Assign a figure number to each figure under a numbered toctree."""

        rewrite_needed = []

        assigned = set()  # type: Set[str]
        old_fignumbers = env.toc_fignumbers
        env.toc_fignumbers = {}
        fignum_counter = {}  # type: Dict[str, Dict[Tuple[int, ...], int]]

        def get_figtype(node: Node) -> str:
            for domain in env.domains.values():
                figtype = domain.get_enumerable_node_type(node)
                if figtype:
                    return figtype

            return None

        def get_section_number(docname: str, section: nodes.section) -> Tuple[int, ...]:
            anchorname = '#' + section['ids'][0]
            secnumbers = env.toc_secnumbers.get(docname, {})
            if anchorname in secnumbers:
                secnum = secnumbers.get(anchorname)
            else:
                secnum = secnumbers.get('')

            return secnum or tuple()

        def get_next_fignumber(figtype: str, secnum: Tuple[int, ...]) -> Tuple[int, ...]:
            counter = fignum_counter.setdefault(figtype, {})

            secnum = secnum[:env.config.numfig_secnum_depth]
            counter[secnum] = counter.get(secnum, 0) + 1
            return secnum + (counter[secnum],)

        def register_fignumber(docname: str, secnum: Tuple[int, ...],
                               figtype: str, fignode: Element) -> None:
            env.toc_fignumbers.setdefault(docname, {})
            fignumbers = env.toc_fignumbers[docname].setdefault(figtype, {})
            figure_id = fignode['ids'][0]

            fignumbers[figure_id] = get_next_fignumber(figtype, secnum)

        def _walk_doctree(docname: str, doctree: Element, secnum: Tuple[int, ...]) -> None:
            for subnode in doctree.children:
                if isinstance(subnode, nodes.section):
                    next_secnum = get_section_number(docname, subnode)
                    if next_secnum:
                        _walk_doctree(docname, subnode, next_secnum)
                    else:
                        _walk_doctree(docname, subnode, secnum)
                elif isinstance(subnode, addnodes.toctree):
                    for title, subdocname in subnode['entries']:
                        if url_re.match(subdocname) or subdocname == 'self':
                            # don't mess with those
                            continue

                        _walk_doc(subdocname, secnum)
                elif isinstance(subnode, nodes.Element):
                    figtype = get_figtype(subnode)
                    if figtype and subnode['ids']:
                        register_fignumber(docname, secnum, figtype, subnode)

                    _walk_doctree(docname, subnode, secnum)

        def _walk_doc(docname: str, secnum: Tuple[int, ...]) -> None:
            if docname not in assigned:
                assigned.add(docname)
                doctree = env.get_doctree(docname)
                _walk_doctree(docname, doctree, secnum)

        if env.config.numfig:
            _walk_doc(env.config.master_doc, tuple())
            for docname, fignums in env.toc_fignumbers.items():
                if fignums != old_fignumbers.get(docname):
                    rewrite_needed.append(docname)

        return rewrite_needed
Beispiel #22
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class Sphinx(object):
    def __init__(self,
                 srcdir,
                 confdir,
                 outdir,
                 doctreedir,
                 buildername,
                 confoverrides=None,
                 status=sys.stdout,
                 warning=sys.stderr,
                 freshenv=False,
                 warningiserror=False,
                 tags=None,
                 verbosity=0,
                 parallel=0):
        self.verbosity = verbosity
        self.next_listener_id = 0
        self._extensions = {}
        self._extension_metadata = {}
        self._listeners = {}
        self.domains = BUILTIN_DOMAINS.copy()
        self.buildername = buildername
        self.builderclasses = BUILTIN_BUILDERS.copy()
        self.builder = None
        self.env = None

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = cStringIO()
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = cStringIO()
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror

        self._events = events.copy()
        self._translators = {}

        # keep last few messages for traceback
        self.messagelog = deque(maxlen=10)

        # say hello to the world
        self.info(bold('Running Sphinx v%s' % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        if not path.isdir(outdir):
            self.info('making output directory...')
            os.makedirs(outdir)

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME, confoverrides or {},
                             self.tags)
        self.config.check_unicode(self.warn)
        # defer checking types until i18n has been initialized

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # extension loading support for alabaster theme
        # self.config.html_theme is not set from conf.py at here
        # for now, sphinx always load a 'alabaster' extension.
        if 'alabaster' not in self.config.extensions:
            self.config.extensions.append('alabaster')

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            # py31 doesn't have 'callable' function for below check
            if hasattr(self.config.setup, '__call__'):
                self.config.setup(self)
            else:
                raise ConfigError(
                    "'setup' that is specified in the conf.py has not been " +
                    "callable. Please provide a callable `setup` function " +
                    "in order to behave as a sphinx extension conf.py itself.")

        # now that we know all config values, collect them from conf.py
        self.config.init_values(self.warn)

        # check the Sphinx version if requested
        if self.config.needs_sphinx and \
           self.config.needs_sphinx > sphinx.__display_version__[:3]:
            raise VersionRequirementError(
                'This project needs at least Sphinx v%s and therefore cannot '
                'be built with this version.' % self.config.needs_sphinx)

        # check extension versions if requested
        if self.config.needs_extensions:
            for extname, needs_ver in self.config.needs_extensions.items():
                if extname not in self._extensions:
                    self.warn(
                        'needs_extensions config value specifies a '
                        'version requirement for extension %s, but it is '
                        'not loaded' % extname)
                    continue
                has_ver = self._extension_metadata[extname]['version']
                if has_ver == 'unknown version' or needs_ver > has_ver:
                    raise VersionRequirementError(
                        'This project needs the extension %s at least in '
                        'version %s and therefore cannot be built with the '
                        'loaded version (%s).' % (extname, needs_ver, has_ver))

        # set up translation infrastructure
        self._init_i18n()
        # check all configuration values for permissible types
        self.config.check_types(self.warn)
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(self.buildername)

    def _init_i18n(self):
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            self.info(bold('loading translations [%s]... ' %
                           self.config.language),
                      nonl=True)
            locale_dirs = [None, path.join(package_dir, 'locale')] + \
                [path.join(self.srcdir, x) for x in self.config.locale_dirs]
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(
            locale_dirs,
            self.config.language,
            charset=self.config.source_encoding)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                self.info('done')
            else:
                self.info('not available for built-in messages')

    def _init_env(self, freshenv):
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir,
                                        self.config)
            self.env.find_files(self.config)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold('loading pickled environment... '), nonl=True)
                self.env = BuildEnvironment.frompickle(
                    self.config, path.join(self.doctreedir,
                                           ENV_PICKLE_FILENAME))
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info('done')
            except Exception as err:
                if isinstance(err, IOError) and err.errno == ENOENT:
                    self.info('not yet created')
                else:
                    self.info('failed: %s' % err)
                return self._init_env(freshenv=True)

        self.env.set_warnfunc(self.warn)

    def _init_builder(self, buildername):
        if buildername is None:
            print('No builder selected, using default: html',
                  file=self._status)
            buildername = 'html'
        if buildername not in self.builderclasses:
            raise SphinxError('Builder name %s not registered' % buildername)

        builderclass = self.builderclasses[buildername]
        if isinstance(builderclass, tuple):
            # builtin builder
            mod, cls = builderclass
            builderclass = getattr(
                __import__('sphinx.builders.' + mod, None, None, [cls]), cls)
        self.builder = builderclass(self)
        self.emit('builder-inited')

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            status = (self.statuscode == 0 and 'succeeded'
                      or 'finished with problems')
            if self._warncount:
                self.info(
                    bold('build %s, %s warning%s.' %
                         (status, self._warncount, self._warncount != 1 and 's'
                          or '')))
            else:
                self.info(bold('build %s.' % status))
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------

    def _log(self, message, wfile, nonl=False):
        try:
            wfile.write(message)
        except UnicodeEncodeError:
            encoding = getattr(wfile, 'encoding', 'ascii') or 'ascii'
            wfile.write(message.encode(encoding, 'replace'))
        if not nonl:
            wfile.write('\n')
        if hasattr(wfile, 'flush'):
            wfile.flush()
        self.messagelog.append(message)

    def warn(self, message, location=None, prefix='WARNING: '):
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *prefix* usually should not be changed.

        .. note::

           For warnings emitted during parsing, you should use
           :meth:`.BuildEnvironment.warn` since that will collect all
           warnings during parsing for later output.
        """
        if isinstance(location, tuple):
            docname, lineno = location
            if docname:
                location = '%s:%s' % (self.env.doc2path(docname), lineno or '')
            else:
                location = None
        warntext = location and '%s: %s%s\n' % (location, prefix, message) or \
            '%s%s\n' % (prefix, message)
        if self.warningiserror:
            raise SphinxWarning(warntext)
        self._warncount += 1
        self._log(warntext, self._warning, True)

    def info(self, message='', nonl=False):
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        self._log(message, self._status, nonl)

    def verbose(self, message, *args, **kwargs):
        """Emit a verbose informational message.

        The message will only be emitted for verbosity levels >= 1 (i.e. at
        least one ``-v`` option was given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 1:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(message, self._status)

    def debug(self, message, *args, **kwargs):
        """Emit a debug-level informational message.

        The message will only be emitted for verbosity levels >= 2 (i.e. at
        least two ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 2:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(darkgray(message), self._status)

    def debug2(self, message, *args, **kwargs):
        """Emit a lowlevel debug-level informational message.

        The message will only be emitted for verbosity level 3 (i.e. three
        ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 3:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(lightgray(message), self._status)

    def _display_chunk(chunk):
        if isinstance(chunk, (list, tuple)):
            if len(chunk) == 1:
                return text_type(chunk[0])
            return '%s .. %s' % (chunk[0], chunk[-1])
        return text_type(chunk)

    def old_status_iterator(self,
                            iterable,
                            summary,
                            colorfunc=darkgreen,
                            stringify_func=_display_chunk):
        l = 0
        for item in iterable:
            if l == 0:
                self.info(bold(summary), nonl=1)
                l = 1
            self.info(colorfunc(stringify_func(item)) + ' ', nonl=1)
            yield item
        if l == 1:
            self.info()

    # new version with progress info
    def status_iterator(self,
                        iterable,
                        summary,
                        colorfunc=darkgreen,
                        length=0,
                        stringify_func=_display_chunk):
        if length == 0:
            for item in self.old_status_iterator(iterable, summary, colorfunc,
                                                 stringify_func):
                yield item
            return
        l = 0
        summary = bold(summary)
        for item in iterable:
            l += 1
            s = '%s[%3d%%] %s' % (summary, 100 * l / length,
                                  colorfunc(stringify_func(item)))
            if self.verbosity:
                s += '\n'
            else:
                s = term_width_line(s)
            self.info(s, nonl=1)
            yield item
        if l > 0:
            self.info()

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extension):
        """Import and setup a Sphinx extension module. No-op if called twice."""
        self.debug('[app] setting up extension: %r', extension)
        if extension in self._extensions:
            return
        try:
            mod = __import__(extension, None, None, ['setup'])
        except ImportError as err:
            self.verbose('Original exception:\n' + traceback.format_exc())
            raise ExtensionError('Could not import extension %s' % extension,
                                 err)
        if not hasattr(mod, 'setup'):
            self.warn('extension %r has no setup() function; is it really '
                      'a Sphinx extension module?' % extension)
            ext_meta = None
        else:
            try:
                ext_meta = mod.setup(self)
            except VersionRequirementError as err:
                # add the extension name to the version required
                raise VersionRequirementError(
                    'The %s extension used by this project needs at least '
                    'Sphinx v%s; it therefore cannot be built with this '
                    'version.' % (extension, err))
        if ext_meta is None:
            ext_meta = {}
            # special-case for compatibility
            if extension == 'rst2pdf.pdfbuilder':
                ext_meta = {'parallel_read_safe': True}
        try:
            if not ext_meta.get('version'):
                ext_meta['version'] = 'unknown version'
        except Exception:
            self.warn('extension %r returned an unsupported object from '
                      'its setup() function; it should return None or a '
                      'metadata dictionary' % extension)
            ext_meta = {'version': 'unknown version'}
        self._extensions[extension] = mod
        self._extension_metadata[extension] = ext_meta

    def require_sphinx(self, version):
        # check the Sphinx version if requested
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        """Import an object from a 'module.name' string."""
        return import_object(objname, source=None)

    # event interface

    def _validate_event(self, event):
        event = intern(event)
        if event not in self._events:
            raise ExtensionError('Unknown event name: %s' % event)

    def connect(self, event, callback):
        self._validate_event(event)
        listener_id = self.next_listener_id
        if event not in self._listeners:
            self._listeners[event] = {listener_id: callback}
        else:
            self._listeners[event][listener_id] = callback
        self.next_listener_id += 1
        self.debug('[app] connecting event %r: %r [id=%s]', event, callback,
                   listener_id)
        return listener_id

    def disconnect(self, listener_id):
        self.debug('[app] disconnecting event: [id=%s]', listener_id)
        for event in itervalues(self._listeners):
            event.pop(listener_id, None)

    def emit(self, event, *args):
        try:
            self.debug2('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        results = []
        if event in self._listeners:
            for _, callback in iteritems(self._listeners[event]):
                results.append(callback(self, *args))
        return results

    def emit_firstresult(self, event, *args):
        for result in self.emit(event, *args):
            if result is not None:
                return result
        return None

    # registering addon parts

    def add_builder(self, builder):
        self.debug('[app] adding builder: %r', builder)
        if not hasattr(builder, 'name'):
            raise ExtensionError('Builder class %s has no "name" attribute' %
                                 builder)
        if builder.name in self.builderclasses:
            if isinstance(self.builderclasses[builder.name], tuple):
                raise ExtensionError('Builder %r is a builtin builder' %
                                     builder.name)
            else:
                raise ExtensionError(
                    'Builder %r already exists (in module %s)' %
                    (builder.name,
                     self.builderclasses[builder.name].__module__))
        self.builderclasses[builder.name] = builder

    def add_config_value(self, name, default, rebuild):
        self.debug('[app] adding config value: %r', (name, default, rebuild))
        if name in self.config.values:
            raise ExtensionError('Config value %r already present' % name)
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.values[name] = (default, rebuild)

    def add_event(self, name):
        self.debug('[app] adding event: %r', name)
        if name in self._events:
            raise ExtensionError('Event %r already present' % name)
        self._events[name] = ''

    def set_translator(self, name, translator_class):
        self.info(bold('A Translator for the %s builder is changed.' % name))
        self._translators[name] = translator_class

    def add_node(self, node, **kwds):
        self.debug('[app] adding node: %r', (node, kwds))
        nodes._add_node_class_names([node.__name__])
        for key, val in iteritems(kwds):
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError('Value for key %r must be a '
                                     '(visit, depart) function tuple' % key)
            translator = self._translators.get(key)
            if translator is not None:
                pass
            elif key == 'html':
                from sphinx.writers.html import HTMLTranslator as translator
            elif key == 'latex':
                from sphinx.writers.latex import LaTeXTranslator as translator
            elif key == 'text':
                from sphinx.writers.text import TextTranslator as translator
            elif key == 'man':
                from sphinx.writers.manpage import ManualPageTranslator \
                    as translator
            elif key == 'texinfo':
                from sphinx.writers.texinfo import TexinfoTranslator \
                    as translator
            else:
                # ignore invalid keys for compatibility
                continue
            setattr(translator, 'visit_' + node.__name__, visit)
            if depart:
                setattr(translator, 'depart_' + node.__name__, depart)

    def _directive_helper(self, obj, content=None, arguments=None, **options):
        if isinstance(obj, (types.FunctionType, types.MethodType)):
            obj.content = content
            obj.arguments = arguments or (0, 0, False)
            obj.options = options
            return convert_directive_function(obj)
        else:
            if content or arguments or options:
                raise ExtensionError('when adding directive classes, no '
                                     'additional arguments may be given')
            return obj

    def add_directive(self,
                      name,
                      obj,
                      content=None,
                      arguments=None,
                      **options):
        self.debug('[app] adding directive: %r',
                   (name, obj, content, arguments, options))
        directives.register_directive(
            name, self._directive_helper(obj, content, arguments, **options))

    def add_role(self, name, role):
        self.debug('[app] adding role: %r', (name, role))
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        self.debug('[app] adding generic role: %r', (name, nodeclass))
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        self.debug('[app] adding domain: %r', domain)
        if domain.name in self.domains:
            raise ExtensionError('domain %s already registered' % domain.name)
        self.domains[domain.name] = domain

    def override_domain(self, domain):
        self.debug('[app] overriding domain: %r', domain)
        if domain.name not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain.name)
        if not issubclass(domain, self.domains[domain.name]):
            raise ExtensionError('new domain not a subclass of registered %s '
                                 'domain' % domain.name)
        self.domains[domain.name] = domain

    def add_directive_to_domain(self,
                                domain,
                                name,
                                obj,
                                content=None,
                                arguments=None,
                                **options):
        self.debug('[app] adding directive to domain: %r',
                   (domain, name, obj, content, arguments, options))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].directives[name] = \
            self._directive_helper(obj, content, arguments, **options)

    def add_role_to_domain(self, domain, name, role):
        self.debug('[app] adding role to domain: %r', (domain, name, role))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].roles[name] = role

    def add_index_to_domain(self, domain, index):
        self.debug('[app] adding index to domain: %r', (domain, index))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].indices.append(index)

    def add_object_type(self,
                        directivename,
                        rolename,
                        indextemplate='',
                        parse_node=None,
                        ref_nodeclass=None,
                        objname='',
                        doc_field_types=[]):
        self.debug('[app] adding object type: %r',
                   (directivename, rolename, indextemplate, parse_node,
                    ref_nodeclass, objname, doc_field_types))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of GenericObject as the new directive
        new_directive = type(
            directivename, (GenericObject, object), {
                'indextemplate': indextemplate,
                'parse_node': staticmethod(parse_node),
                'doc_field_types': doc_field_types
            })
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    # backwards compatible alias
    add_description_unit = add_object_type

    def add_crossref_type(self,
                          directivename,
                          rolename,
                          indextemplate='',
                          ref_nodeclass=None,
                          objname=''):
        self.debug(
            '[app] adding crossref type: %r',
            (directivename, rolename, indextemplate, ref_nodeclass, objname))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of Target as the new directive
        new_directive = type(directivename, (Target, object),
                             {'indextemplate': indextemplate})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    def add_transform(self, transform):
        self.debug('[app] adding transform: %r', transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_javascript(self, filename):
        self.debug('[app] adding javascript: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(
                posixpath.join('_static', filename))

    def add_stylesheet(self, filename):
        self.debug('[app] adding stylesheet: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.css_files.append(filename)
        else:
            StandaloneHTMLBuilder.css_files.append(
                posixpath.join('_static', filename))

    def add_latex_package(self, packagename, options=None):
        self.debug('[app] adding latex package: %r', packagename)
        from sphinx.builders.latex import LaTeXBuilder
        LaTeXBuilder.usepackages.append((packagename, options))

    def add_lexer(self, alias, lexer):
        self.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        self.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext import autodoc
        autodoc.add_documenter(cls)
        self.add_directive('auto' + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        self.debug('[app] adding autodoc attrgetter: %r', (type, getter))
        from sphinx.ext import autodoc
        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        self.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls
Beispiel #23
0
class Sphinx(object):

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0):
        # type: (unicode, unicode, unicode, unicode, unicode, Dict, IO, IO, bool, bool, List[unicode], int, int) -> None  # NOQA
        self.verbosity = verbosity
        self._extensions = {}                   # type: Dict[unicode, Any]
        self._extension_metadata = {}           # type: Dict[unicode, Dict[unicode, Any]]
        self._additional_source_parsers = {}    # type: Dict[unicode, Parser]
        self._setting_up_extension = ['?']      # type: List[unicode]
        self.domains = {}                       # type: Dict[unicode, Type[Domain]]
        self.buildername = buildername
        self.builderclasses = {}                # type: Dict[unicode, Type[Builder]]
        self.builder = None                     # type: Builder
        self.env = None                         # type: BuildEnvironment
        self.enumerable_nodes = {}              # type: Dict[nodes.Node, Tuple[unicode, Callable]]  # NOQA
        self.post_transforms = []               # type: List[Transform]

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = cStringIO()      # type: IO
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = cStringIO()     # type: IO
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror
        logging.setup(self, self._status, self._warning)

        self.events = EventManager()
        self._translators = {}              # type: Dict[unicode, nodes.GenericNodeVisitor]

        # keep last few messages for traceback
        self.messagelog = deque(maxlen=10)  # type: deque

        # say hello to the world
        logger.info(bold('Running Sphinx v%s' % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        if not path.isdir(outdir):
            logger.info('making output directory...')
            os.makedirs(outdir)

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME,
                             confoverrides or {}, self.tags)
        self.config.check_unicode()
        # defer checking types until i18n has been initialized

        # initialize some limited config variables before initialize i18n and loading
        # extensions
        self.config.pre_init_values()

        # set up translation infrastructure
        self._init_i18n()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__:
            raise VersionRequirementError(
                _('This project needs at least Sphinx v%s and therefore cannot '
                  'be built with this version.') % self.config.needs_sphinx)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all built-in extension modules
        for extension in builtin_extensions:
            self.setup_extension(extension)

        # extension loading support for alabaster theme
        # self.config.html_theme is not set from conf.py at here
        # for now, sphinx always load a 'alabaster' extension.
        if 'alabaster' not in self.config.extensions:
            self.config.extensions.append('alabaster')

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            self._setting_up_extension = ['conf.py']
            # py31 doesn't have 'callable' function for below check
            if hasattr(self.config.setup, '__call__'):
                self.config.setup(self)
            else:
                raise ConfigError(
                    _("'setup' that is specified in the conf.py has not been "
                      "callable. Please provide a callable `setup` function "
                      "in order to behave as a sphinx extension conf.py itself.")
                )

        # now that we know all config values, collect them from conf.py
        self.config.init_values()

        # check extension versions if requested
        if self.config.needs_extensions:
            for extname, needs_ver in self.config.needs_extensions.items():
                if extname not in self._extensions:
                    logger.warning(_('needs_extensions config value specifies a '
                                     'version requirement for extension %s, but it is '
                                     'not loaded'), extname)
                    continue
                has_ver = self._extension_metadata[extname]['version']
                if has_ver == 'unknown version' or needs_ver > has_ver:
                    raise VersionRequirementError(
                        _('This project needs the extension %s at least in '
                          'version %s and therefore cannot be built with the '
                          'loaded version (%s).') % (extname, needs_ver, has_ver))

        # check primary_domain if requested
        if self.config.primary_domain and self.config.primary_domain not in self.domains:
            logger.warning(_('primary_domain %r not found, ignored.'),
                           self.config.primary_domain)

        # check all configuration values for permissible types
        self.config.check_types()
        # set up source_parsers
        self._init_source_parsers()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(self.buildername)
        # set up the enumerable nodes
        self._init_enumerable_nodes()

    def _init_i18n(self):
        # type: () -> None
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            logger.info(bold('loading translations [%s]... ' % self.config.language),
                        nonl=True)
            user_locale_dirs = [
                path.join(self.srcdir, x) for x in self.config.locale_dirs]
            # compile mo files if sphinx.po file in user locale directories are updated
            for catinfo in find_catalog_source_files(
                    user_locale_dirs, self.config.language, domains=['sphinx'],
                    charset=self.config.source_encoding):
                catinfo.write_mo(self.config.language)
            locale_dirs = [None, path.join(package_dir, 'locale')] + user_locale_dirs
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs, self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                logger.info(_('done'))
            else:
                logger.info('not available for built-in messages')

    def _init_source_parsers(self):
        # type: () -> None
        for suffix, parser in iteritems(self._additional_source_parsers):
            if suffix not in self.config.source_suffix:
                self.config.source_suffix.append(suffix)
            if suffix not in self.config.source_parsers:
                self.config.source_parsers[suffix] = parser

    def _init_env(self, freshenv):
        # type: (bool) -> None
        if freshenv:
            self.env = BuildEnvironment(self)
            self.env.find_files(self.config, self.buildername)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                logger.info(bold(_('loading pickled environment... ')), nonl=True)
                filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
                self.env = BuildEnvironment.frompickle(filename, self)
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                logger.info(_('done'))
            except Exception as err:
                if isinstance(err, IOError) and err.errno == ENOENT:
                    logger.info(_('not yet created'))
                else:
                    logger.info(_('failed: %s'), err)
                self._init_env(freshenv=True)

    def _init_builder(self, buildername):
        # type: (unicode) -> None
        if buildername is None:
            logger.info(_('No builder selected, using default: html'))
            buildername = 'html'
        if buildername not in self.builderclasses:
            raise SphinxError(_('Builder name %s not registered') % buildername)

        builderclass = self.builderclasses[buildername]
        self.builder = builderclass(self)
        self.emit('builder-inited')

    def _init_enumerable_nodes(self):
        # type: () -> None
        for node, settings in iteritems(self.enumerable_nodes):
            self.env.get_domain('std').enumerable_nodes[node] = settings  # type: ignore

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        # type: (bool, List[unicode]) -> None
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            status = (self.statuscode == 0 and
                      _('succeeded') or _('finished with problems'))
            if self._warncount:
                logger.info(bold(_('build %s, %s warning%s.') %
                                 (status, self._warncount,
                                  self._warncount != 1 and 's' or '')))
            else:
                logger.info(bold(_('build %s.') % status))
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------
    def warn(self, message, location=None, prefix=None,
             type=None, subtype=None, colorfunc=None):
        # type: (unicode, unicode, unicode, unicode, unicode, Callable) -> None
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *prefix* usually should not be changed.

        *type* and *subtype* are used to suppress warnings with :confval:`suppress_warnings`.

        .. note::

           For warnings emitted during parsing, you should use
           :meth:`.BuildEnvironment.warn` since that will collect all
           warnings during parsing for later output.
        """
        if prefix:
            warnings.warn('prefix option of warn() is now deprecated.',
                          RemovedInSphinx17Warning)
        if colorfunc:
            warnings.warn('colorfunc option of warn() is now deprecated.',
                          RemovedInSphinx17Warning)

        warnings.warn('app.warning() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.warning(message, type=type, subtype=subtype, location=location)

    def info(self, message='', nonl=False):
        # type: (unicode, bool) -> None
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        warnings.warn('app.info() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.info(message, nonl=nonl)

    def verbose(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a verbose informational message."""
        warnings.warn('app.verbose() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.verbose(message, *args, **kwargs)

    def debug(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a debug-level informational message."""
        warnings.warn('app.debug() is now deprecated. Use sphinx.util.logging instead.',
                      RemovedInSphinx20Warning)
        logger.debug(message, *args, **kwargs)

    def debug2(self, message, *args, **kwargs):
        # type: (unicode, Any, Any) -> None
        """Emit a lowlevel debug-level informational message."""
        warnings.warn('app.debug2() is now deprecated. Use debug() instead.',
                      RemovedInSphinx20Warning)
        logger.debug(message, *args, **kwargs)

    def _display_chunk(chunk):
        # type: (Any) -> unicode
        warnings.warn('app._display_chunk() is now deprecated. '
                      'Use sphinx.util.display_chunk() instead.',
                      RemovedInSphinx17Warning)
        return display_chunk(chunk)

    def old_status_iterator(self, iterable, summary, colorfunc=darkgreen,
                            stringify_func=display_chunk):
        # type: (Iterable, unicode, Callable, Callable[[Any], unicode]) -> Iterator
        warnings.warn('app.old_status_iterator() is now deprecated. '
                      'Use sphinx.util.status_iterator() instead.',
                      RemovedInSphinx17Warning)
        for item in old_status_iterator(iterable, summary,
                                        color="darkgreen", stringify_func=stringify_func):
            yield item

    # new version with progress info
    def status_iterator(self, iterable, summary, colorfunc=darkgreen, length=0,
                        stringify_func=_display_chunk):
        # type: (Iterable, unicode, Callable, int, Callable[[Any], unicode]) -> Iterable
        warnings.warn('app.status_iterator() is now deprecated. '
                      'Use sphinx.util.status_iterator() instead.',
                      RemovedInSphinx17Warning)
        for item in status_iterator(iterable, summary, length=length, verbosity=self.verbosity,
                                    color="darkgreen", stringify_func=stringify_func):
            yield item

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extension):
        # type: (unicode) -> None
        """Import and setup a Sphinx extension module. No-op if called twice."""
        logger.debug('[app] setting up extension: %r', extension)
        if extension in self._extensions:
            return
        if extension in EXTENSION_BLACKLIST:
            logger.warning(_('the extension %r was already merged with Sphinx since '
                             'version %s; this extension is ignored.'),
                           extension, EXTENSION_BLACKLIST[extension])
            return
        self._setting_up_extension.append(extension)
        try:
            mod = __import__(extension, None, None, ['setup'])
        except ImportError as err:
            logger.verbose(_('Original exception:\n') + traceback.format_exc())
            raise ExtensionError(_('Could not import extension %s') % extension,
                                 err)
        if not hasattr(mod, 'setup'):
            logger.warning(_('extension %r has no setup() function; is it really '
                             'a Sphinx extension module?'), extension)
            ext_meta = None
        else:
            try:
                ext_meta = mod.setup(self)
            except VersionRequirementError as err:
                # add the extension name to the version required
                raise VersionRequirementError(
                    _('The %s extension used by this project needs at least '
                      'Sphinx v%s; it therefore cannot be built with this '
                      'version.') % (extension, err))
        if ext_meta is None:
            ext_meta = {}
            # special-case for compatibility
            if extension == 'rst2pdf.pdfbuilder':
                ext_meta = {'parallel_read_safe': True}
        try:
            if not ext_meta.get('version'):
                ext_meta['version'] = 'unknown version'
        except Exception:
            logger.warning(_('extension %r returned an unsupported object from '
                             'its setup() function; it should return None or a '
                             'metadata dictionary'), extension)
            ext_meta = {'version': 'unknown version'}
        self._extensions[extension] = mod
        self._extension_metadata[extension] = ext_meta
        self._setting_up_extension.pop()

    def require_sphinx(self, version):
        # type: (unicode) -> None
        # check the Sphinx version if requested
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        # type: (str, unicode) -> Any
        """Import an object from a 'module.name' string."""
        return import_object(objname, source=None)

    # event interface
    def connect(self, event, callback):
        # type: (unicode, Callable) -> int
        listener_id = self.events.connect(event, callback)
        logger.debug('[app] connecting event %r: %r', event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        # type: (int) -> None
        logger.debug('[app] disconnecting event: [id=%s]', listener_id)
        self.events.disconnect(listener_id)

    def emit(self, event, *args):
        # type: (unicode, Any) -> List
        try:
            logger.debug('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        return self.events.emit(event, self, *args)

    def emit_firstresult(self, event, *args):
        # type: (unicode, Any) -> Any
        return self.events.emit_firstresult(event, self, *args)

    # registering addon parts

    def add_builder(self, builder):
        # type: (Type[Builder]) -> None
        logger.debug('[app] adding builder: %r', builder)
        if not hasattr(builder, 'name'):
            raise ExtensionError(_('Builder class %s has no "name" attribute')
                                 % builder)
        if builder.name in self.builderclasses:
            raise ExtensionError(_('Builder %r already exists (in module %s)') %
                                 (builder.name, self.builderclasses[builder.name].__module__))
        self.builderclasses[builder.name] = builder

    def add_config_value(self, name, default, rebuild, types=()):
        # type: (unicode, Any, Union[bool, unicode], Any) -> None
        logger.debug('[app] adding config value: %r',
                     (name, default, rebuild) + ((types,) if types else ()))  # type: ignore
        if name in self.config:
            raise ExtensionError(_('Config value %r already present') % name)
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.add(name, default, rebuild, types)

    def add_event(self, name):
        # type: (unicode) -> None
        logger.debug('[app] adding event: %r', name)
        self.events.add(name)

    def set_translator(self, name, translator_class):
        # type: (unicode, Any) -> None
        logger.info(bold(_('A Translator for the %s builder is changed.') % name))
        self._translators[name] = translator_class

    def add_node(self, node, **kwds):
        # type: (nodes.Node, Any) -> None
        logger.debug('[app] adding node: %r', (node, kwds))
        if not kwds.pop('override', False) and \
           hasattr(nodes.GenericNodeVisitor, 'visit_' + node.__name__):
            logger.warning(_('while setting up extension %s: node class %r is '
                             'already registered, its visitors will be overridden'),
                           self._setting_up_extension, node.__name__,
                           type='app', subtype='add_node')
        nodes._add_node_class_names([node.__name__])
        for key, val in iteritems(kwds):
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError(_('Value for key %r must be a '
                                       '(visit, depart) function tuple') % key)
            translator = self._translators.get(key)
            translators = []
            if translator is not None:
                translators.append(translator)
            elif key == 'html':
                from sphinx.writers.html import HTMLTranslator
                translators.append(HTMLTranslator)
                if is_html5_writer_available():
                    from sphinx.writers.html5 import HTML5Translator
                    translators.append(HTML5Translator)
            elif key == 'latex':
                from sphinx.writers.latex import LaTeXTranslator
                translators.append(LaTeXTranslator)
            elif key == 'text':
                from sphinx.writers.text import TextTranslator
                translators.append(TextTranslator)
            elif key == 'man':
                from sphinx.writers.manpage import ManualPageTranslator
                translators.append(ManualPageTranslator)
            elif key == 'texinfo':
                from sphinx.writers.texinfo import TexinfoTranslator
                translators.append(TexinfoTranslator)

            for translator in translators:
                setattr(translator, 'visit_' + node.__name__, visit)
                if depart:
                    setattr(translator, 'depart_' + node.__name__, depart)

    def add_enumerable_node(self, node, figtype, title_getter=None, **kwds):
        # type: (nodes.Node, unicode, Callable, Any) -> None
        self.enumerable_nodes[node] = (figtype, title_getter)
        self.add_node(node, **kwds)

    def _directive_helper(self, obj, content=None, arguments=None, **options):
        # type: (Any, unicode, Any, Any) -> Any
        if isinstance(obj, (types.FunctionType, types.MethodType)):
            obj.content = content                       # type: ignore
            obj.arguments = arguments or (0, 0, False)  # type: ignore
            obj.options = options                       # type: ignore
            return convert_directive_function(obj)
        else:
            if content or arguments or options:
                raise ExtensionError(_('when adding directive classes, no '
                                       'additional arguments may be given'))
            return obj

    def add_directive(self, name, obj, content=None, arguments=None, **options):
        # type: (unicode, Any, unicode, Any, Any) -> None
        logger.debug('[app] adding directive: %r',
                     (name, obj, content, arguments, options))
        if name in directives._directives:
            logger.warning(_('while setting up extension %s: directive %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1], name,
                           type='app', subtype='add_directive')
        directives.register_directive(
            name, self._directive_helper(obj, content, arguments, **options))

    def add_role(self, name, role):
        # type: (unicode, Any) -> None
        logger.debug('[app] adding role: %r', (name, role))
        if name in roles._roles:
            logger.warning(_('while setting up extension %s: role %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1], name,
                           type='app', subtype='add_role')
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # type: (unicode, Any) -> None
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        logger.debug('[app] adding generic role: %r', (name, nodeclass))
        if name in roles._roles:
            logger.warning(_('while setting up extension %s: role %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1], name,
                           type='app', subtype='add_generic_role')
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        # type: (Type[Domain]) -> None
        logger.debug('[app] adding domain: %r', domain)
        if domain.name in self.domains:
            raise ExtensionError(_('domain %s already registered') % domain.name)
        self.domains[domain.name] = domain

    def override_domain(self, domain):
        # type: (Type[Domain]) -> None
        logger.debug('[app] overriding domain: %r', domain)
        if domain.name not in self.domains:
            raise ExtensionError(_('domain %s not yet registered') % domain.name)
        if not issubclass(domain, self.domains[domain.name]):
            raise ExtensionError(_('new domain not a subclass of registered %s '
                                   'domain') % domain.name)
        self.domains[domain.name] = domain

    def add_directive_to_domain(self, domain, name, obj,
                                content=None, arguments=None, **options):
        # type: (unicode, unicode, Any, unicode, Any, Any) -> None
        logger.debug('[app] adding directive to domain: %r',
                     (domain, name, obj, content, arguments, options))
        if domain not in self.domains:
            raise ExtensionError(_('domain %s not yet registered') % domain)
        self.domains[domain].directives[name] = \
            self._directive_helper(obj, content, arguments, **options)

    def add_role_to_domain(self, domain, name, role):
        # type: (unicode, unicode, Any) -> None
        logger.debug('[app] adding role to domain: %r', (domain, name, role))
        if domain not in self.domains:
            raise ExtensionError(_('domain %s not yet registered') % domain)
        self.domains[domain].roles[name] = role

    def add_index_to_domain(self, domain, index):
        # type: (unicode, Type[Index]) -> None
        logger.debug('[app] adding index to domain: %r', (domain, index))
        if domain not in self.domains:
            raise ExtensionError(_('domain %s not yet registered') % domain)
        self.domains[domain].indices.append(index)

    def add_object_type(self, directivename, rolename, indextemplate='',
                        parse_node=None, ref_nodeclass=None, objname='',
                        doc_field_types=[]):
        # type: (unicode, unicode, unicode, Callable, nodes.Node, unicode, List) -> None
        logger.debug('[app] adding object type: %r',
                     (directivename, rolename, indextemplate, parse_node,
                      ref_nodeclass, objname, doc_field_types))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of GenericObject as the new directive
        new_directive = type(directivename, (GenericObject, object),  # type: ignore
                             {'indextemplate': indextemplate,
                              'parse_node': staticmethod(parse_node),  # type: ignore
                              'doc_field_types': doc_field_types})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    # backwards compatible alias
    add_description_unit = add_object_type

    def add_crossref_type(self, directivename, rolename, indextemplate='',
                          ref_nodeclass=None, objname=''):
        # type: (unicode, unicode, unicode, nodes.Node, unicode) -> None
        logger.debug('[app] adding crossref type: %r',
                     (directivename, rolename, indextemplate, ref_nodeclass,
                      objname))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of Target as the new directive
        new_directive = type(directivename, (Target, object),  # type: ignore
                             {'indextemplate': indextemplate})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    def add_transform(self, transform):
        # type: (Type[Transform]) -> None
        logger.debug('[app] adding transform: %r', transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_post_transform(self, transform):
        # type: (Type[Transform]) -> None
        logger.debug('[app] adding post transform: %r', transform)
        self.post_transforms.append(transform)

    def add_javascript(self, filename):
        # type: (unicode) -> None
        logger.debug('[app] adding javascript: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(
                posixpath.join('_static', filename))

    def add_stylesheet(self, filename):
        # type: (unicode) -> None
        logger.debug('[app] adding stylesheet: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.css_files.append(filename)
        else:
            StandaloneHTMLBuilder.css_files.append(
                posixpath.join('_static', filename))

    def add_latex_package(self, packagename, options=None):
        # type: (unicode, unicode) -> None
        logger.debug('[app] adding latex package: %r', packagename)
        if hasattr(self.builder, 'usepackages'):  # only for LaTeX builder
            self.builder.usepackages.append((packagename, options))  # type: ignore

    def add_lexer(self, alias, lexer):
        # type: (unicode, Any) -> None
        logger.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        # type: (Any) -> None
        logger.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext import autodoc
        autodoc.add_documenter(cls)
        self.add_directive('auto' + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        # type: (Any, Callable) -> None
        logger.debug('[app] adding autodoc attrgetter: %r', (type, getter))
        from sphinx.ext import autodoc
        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        # type: (Any) -> None
        logger.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls

    def add_source_parser(self, suffix, parser):
        # type: (unicode, Parser) -> None
        logger.debug('[app] adding search source_parser: %r, %r', suffix, parser)
        if suffix in self._additional_source_parsers:
            logger.warning(_('while setting up extension %s: source_parser for %r is '
                             'already registered, it will be overridden'),
                           self._setting_up_extension[-1], suffix,
                           type='app', subtype='add_source_parser')
        self._additional_source_parsers[suffix] = parser

    def add_env_collector(self, collector):
        # type: (Type[EnvironmentCollector]) -> None
        logger.debug('[app] adding environment collector: %r', collector)
        collector().enable(self)
Beispiel #24
0
class Sphinx(object):

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0):
        self.verbosity = verbosity
        self.next_listener_id = 0
        self._extensions = {}
        self._listeners = {}
        self.domains = BUILTIN_DOMAINS.copy()
        self.builderclasses = BUILTIN_BUILDERS.copy()
        self.builder = None
        self.env = None

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = StringIO()
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = StringIO()
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror

        self._events = events.copy()

        # say hello to the world
        self.info(bold('Running Sphinx v%s' % sphinx.__version__))

        # status code for command-line application
        self.statuscode = 0

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME,
                             confoverrides or {}, self.tags)
        self.config.check_unicode(self.warn)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # backwards compatibility: activate old C markup
        self.setup_extension('sphinx.ext.oldcmarkup')
        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            self.config.setup(self)

        # now that we know all config values, collect them from conf.py
        self.config.init_values()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and \
           self.config.needs_sphinx > sphinx.__version__[:3]:
            raise VersionRequirementError(
                'This project needs at least Sphinx v%s and therefore cannot '
                'be built with this version.' % self.config.needs_sphinx)

        # set up translation infrastructure
        self._init_i18n()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(buildername)

    def _init_i18n(self):
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            self.info(bold('loading translations [%s]... ' %
                           self.config.language), nonl=True)
            locale_dirs = [None, path.join(package_dir, 'locale')] + \
                [path.join(self.srcdir, x) for x in self.config.locale_dirs]
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs,
                                                       self.config.language)
        if self.config.language is not None:
            if has_translation:
                self.info('done')
            else:
                self.info('locale not available')

    def _init_env(self, freshenv):
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir,
                                        self.config)
            self.env.find_files(self.config)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold('loading pickled environment... '), nonl=True)
                self.env = BuildEnvironment.frompickle(self.config,
                    path.join(self.doctreedir, ENV_PICKLE_FILENAME))
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info('done')
            except Exception, err:
                if type(err) is IOError and err.errno == ENOENT:
                    self.info('not yet created')
                else:
                    self.info('failed: %s' % err)
                return self._init_env(freshenv=True)

        self.env.set_warnfunc(self.warn)
Beispiel #25
0
def setup_module():
    global app, env
    app = TestApp(srcdir='(temp)')
    env = BuildEnvironment(app.srcdir, app.doctreedir, app.config)
    env.set_warnfunc(warnings.append)
Beispiel #26
0
class Sphinx:
    """The main application class and extensibility interface.

    :ivar srcdir: Directory containing source.
    :ivar confdir: Directory containing ``conf.py``.
    :ivar doctreedir: Directory for storing pickled doctrees.
    :ivar outdir: Directory for storing build documents.
    """

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0, keep_going=False):
        # type: (str, str, str, str, str, Dict, IO, IO, bool, bool, List[str], int, int, bool) -> None  # NOQA
        self.phase = BuildPhase.INITIALIZATION
        self.verbosity = verbosity
        self.extensions = {}                    # type: Dict[str, Extension]
        self.builder = None                     # type: Builder
        self.env = None                         # type: BuildEnvironment
        self.project = None                     # type: Project
        self.registry = SphinxComponentRegistry()
        self.html_themes = {}                   # type: Dict[str, str]

        # validate provided directories
        self.srcdir = abspath(srcdir)
        self.outdir = abspath(outdir)
        self.doctreedir = abspath(doctreedir)
        self.confdir = confdir
        if self.confdir:  # confdir is optional
            self.confdir = abspath(self.confdir)
            if not path.isfile(path.join(self.confdir, 'conf.py')):
                raise ApplicationError(__("config directory doesn't contain a "
                                          "conf.py file (%s)") % confdir)

        if not path.isdir(self.srcdir):
            raise ApplicationError(__('Cannot find source directory (%s)') %
                                   self.srcdir)

        if self.srcdir == self.outdir:
            raise ApplicationError(__('Source directory and destination '
                                      'directory cannot be identical'))

        self.parallel = parallel

        if status is None:
            self._status = StringIO()      # type: IO
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = StringIO()     # type: IO
        else:
            self._warning = warning
        self._warncount = 0
        self.keep_going = warningiserror and keep_going
        if self.keep_going:
            self.warningiserror = False
        else:
            self.warningiserror = warningiserror
        logging.setup(self, self._status, self._warning)

        self.events = EventManager(self)

        # keep last few messages for traceback
        # This will be filled by sphinx.util.logging.LastMessagesWriter
        self.messagelog = deque(maxlen=10)  # type: deque

        # say hello to the world
        logger.info(bold(__('Running Sphinx v%s') % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        # read config
        self.tags = Tags(tags)
        if self.confdir is None:
            self.config = Config({}, confoverrides or {})
        else:
            self.config = Config.read(self.confdir, confoverrides or {}, self.tags)

        # initialize some limited config variables before initialize i18n and loading
        # extensions
        self.config.pre_init_values()

        # set up translation infrastructure
        self._init_i18n()

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__:
            raise VersionRequirementError(
                __('This project needs at least Sphinx v%s and therefore cannot '
                   'be built with this version.') % self.config.needs_sphinx)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all built-in extension modules
        for extension in builtin_extensions:
            self.setup_extension(extension)

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)

        # preload builder module (before init config values)
        self.preload_builder(buildername)

        if not path.isdir(outdir):
            with progress_message(__('making output directory')):
                ensuredir(outdir)

        # the config file itself can be an extension
        if self.config.setup:
            prefix = __('while setting up extension %s:') % "conf.py"
            with prefixed_warnings(prefix):
                if callable(self.config.setup):
                    self.config.setup(self)
                else:
                    raise ConfigError(
                        __("'setup' as currently defined in conf.py isn't a Python callable. "
                           "Please modify its definition to make it a callable function. "
                           "This is needed for conf.py to behave as a Sphinx extension.")
                    )

        # now that we know all config values, collect them from conf.py
        self.config.init_values()
        self.events.emit('config-inited', self.config)

        # create the project
        self.project = Project(self.srcdir, self.config.source_suffix)
        # create the builder
        self.builder = self.create_builder(buildername)
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder()

    def _init_i18n(self):
        # type: () -> None
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is None:
            self.translator, has_translation = locale.init([], None)
        else:
            logger.info(bold(__('loading translations [%s]... ') % self.config.language),
                        nonl=True)

            # compile mo files if sphinx.po file in user locale directories are updated
            repo = CatalogRepository(self.srcdir, self.config.locale_dirs,
                                     self.config.language, self.config.source_encoding)
            for catalog in repo.catalogs:
                if catalog.domain == 'sphinx' and catalog.is_outdated():
                    catalog.write_mo(self.config.language)

            locale_dirs = [None, path.join(package_dir, 'locale')] + list(repo.locale_dirs)
            self.translator, has_translation = locale.init(locale_dirs, self.config.language)
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                logger.info(__('done'))
            else:
                logger.info(__('not available for built-in messages'))

    def _init_env(self, freshenv):
        # type: (bool) -> None
        filename = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
        if freshenv or not os.path.exists(filename):
            self.env = BuildEnvironment()
            self.env.setup(self)
            self.env.find_files(self.config, self.builder)
        else:
            try:
                with progress_message(__('loading pickled environment')):
                    with open(filename, 'rb') as f:
                        self.env = pickle.load(f)
                        self.env.setup(self)
            except Exception as err:
                logger.info(__('failed: %s'), err)
                self._init_env(freshenv=True)

    def preload_builder(self, name):
        # type: (str) -> None
        self.registry.preload_builder(self, name)

    def create_builder(self, name):
        # type: (str) -> Builder
        if name is None:
            logger.info(__('No builder selected, using default: html'))
            name = 'html'

        return self.registry.create_builder(self, name)

    def _init_builder(self):
        # type: () -> None
        self.builder.set_environment(self.env)
        self.builder.init()
        self.events.emit('builder-inited')

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        # type: (bool, List[str]) -> None
        self.phase = BuildPhase.READING
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            if self._warncount and self.keep_going:
                self.statuscode = 1

            status = (self.statuscode == 0 and
                      __('succeeded') or __('finished with problems'))
            if self._warncount:
                if self.warningiserror:
                    msg = __('build %s, %s warning (with warnings treated as errors).',
                             'build %s, %s warnings (with warnings treated as errors).',
                             self._warncount)
                else:
                    msg = __('build %s, %s warning.',
                             'build %s, %s warnings.',
                             self._warncount)

                logger.info(bold(msg % (status, self._warncount)))
            else:
                logger.info(bold(__('build %s.') % status))

            if self.statuscode == 0 and self.builder.epilog:
                logger.info('')
                logger.info(self.builder.epilog % {
                    'outdir': relpath(self.outdir),
                    'project': self.config.project
                })
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.events.emit('build-finished', err)
            raise
        else:
            self.events.emit('build-finished', None)
        self.builder.cleanup()

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extname):
        # type: (str) -> None
        """Import and setup a Sphinx extension module.

        Load the extension given by the module *name*.  Use this if your
        extension needs the features provided by another extension.  No-op if
        called twice.
        """
        logger.debug('[app] setting up extension: %r', extname)
        self.registry.load_extension(self, extname)

    def require_sphinx(self, version):
        # type: (str) -> None
        """Check the Sphinx version if requested.

        Compare *version* (which must be a ``major.minor`` version string, e.g.
        ``'1.1'``) with the version of the running Sphinx, and abort the build
        when it is too old.

        .. versionadded:: 1.0
        """
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    # event interface
    def connect(self, event, callback):
        # type: (str, Callable) -> int
        """Register *callback* to be called when *event* is emitted.

        For details on available core events and the arguments of callback
        functions, please see :ref:`events`.

        The method returns a "listener ID" that can be used as an argument to
        :meth:`disconnect`.
        """
        listener_id = self.events.connect(event, callback)
        logger.debug('[app] connecting event %r: %r [id=%s]', event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        # type: (int) -> None
        """Unregister callback by *listener_id*."""
        logger.debug('[app] disconnecting event: [id=%s]', listener_id)
        self.events.disconnect(listener_id)

    def emit(self, event, *args):
        # type: (str, Any) -> List
        """Emit *event* and pass *arguments* to the callback functions.

        Return the return values of all callbacks as a list.  Do not emit core
        Sphinx events in extensions!
        """
        return self.events.emit(event, *args)

    def emit_firstresult(self, event, *args):
        # type: (str, Any) -> Any
        """Emit *event* and pass *arguments* to the callback functions.

        Return the result of the first callback that doesn't return ``None``.

        .. versionadded:: 0.5
        """
        return self.events.emit_firstresult(event, *args)

    # registering addon parts

    def add_builder(self, builder, override=False):
        # type: (Type[Builder], bool) -> None
        """Register a new builder.

        *builder* must be a class that inherits from
        :class:`~sphinx.builders.Builder`.

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_builder(builder, override=override)

    # TODO(stephenfin): Describe 'types' parameter
    def add_config_value(self, name, default, rebuild, types=()):
        # type: (str, Any, Union[bool, str], Any) -> None
        """Register a configuration value.

        This is necessary for Sphinx to recognize new values and set default
        values accordingly.  The *name* should be prefixed with the extension
        name, to avoid clashes.  The *default* value can be any Python object.
        The string value *rebuild* must be one of those values:

        * ``'env'`` if a change in the setting only takes effect when a
          document is parsed -- this means that the whole environment must be
          rebuilt.
        * ``'html'`` if a change in the setting needs a full rebuild of HTML
          documents.
        * ``''`` if a change in the setting will not need any special rebuild.

        .. versionchanged:: 0.6
           Changed *rebuild* from a simple boolean (equivalent to ``''`` or
           ``'env'``) to a string.  However, booleans are still accepted and
           converted internally.

        .. versionchanged:: 0.4
           If the *default* value is a callable, it will be called with the
           config object as its argument in order to get the default value.
           This can be used to implement config values whose default depends on
           other values.
        """
        logger.debug('[app] adding config value: %r',
                     (name, default, rebuild) + ((types,) if types else ()))  # type: ignore
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.add(name, default, rebuild, types)

    def add_event(self, name):
        # type: (str) -> None
        """Register an event called *name*.

        This is needed to be able to emit it.
        """
        logger.debug('[app] adding event: %r', name)
        self.events.add(name)

    def set_translator(self, name, translator_class, override=False):
        # type: (str, Type[nodes.NodeVisitor], bool) -> None
        """Register or override a Docutils translator class.

        This is used to register a custom output translator or to replace a
        builtin translator.  This allows extensions to use custom translator
        and define custom nodes for the translator (see :meth:`add_node`).

        .. versionadded:: 1.3
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_translator(name, translator_class, override=override)

    def add_node(self, node, override=False, **kwds):
        # type: (Type[nodes.Element], bool, Any) -> None
        """Register a Docutils node class.

        This is necessary for Docutils internals.  It may also be used in the
        future to validate nodes in the parsed documents.

        Node visitor functions for the Sphinx HTML, LaTeX, text and manpage
        writers can be given as keyword arguments: the keyword should be one or
        more of ``'html'``, ``'latex'``, ``'text'``, ``'man'``, ``'texinfo'``
        or any other supported translators, the value a 2-tuple of ``(visit,
        depart)`` methods.  ``depart`` can be ``None`` if the ``visit``
        function raises :exc:`docutils.nodes.SkipNode`.  Example:

        .. code-block:: python

           class math(docutils.nodes.Element): pass

           def visit_math_html(self, node):
               self.body.append(self.starttag(node, 'math'))
           def depart_math_html(self, node):
               self.body.append('</math>')

           app.add_node(math, html=(visit_math_html, depart_math_html))

        Obviously, translators for which you don't specify visitor methods will
        choke on the node when encountered in a document to translate.

        .. versionchanged:: 0.5
           Added the support for keyword arguments giving visit functions.
        """
        logger.debug('[app] adding node: %r', (node, kwds))
        if not override and docutils.is_node_registered(node):
            logger.warning(__('node class %r is already registered, '
                              'its visitors will be overridden'),
                           node.__name__, type='app', subtype='add_node')
        docutils.register_node(node)
        self.registry.add_translation_handlers(node, **kwds)

    def add_enumerable_node(self, node, figtype, title_getter=None, override=False, **kwds):
        # type: (Type[nodes.Element], str, TitleGetter, bool, Any) -> None
        """Register a Docutils node class as a numfig target.

        Sphinx numbers the node automatically. And then the users can refer it
        using :rst:role:`numref`.

        *figtype* is a type of enumerable nodes.  Each figtypes have individual
        numbering sequences.  As a system figtypes, ``figure``, ``table`` and
        ``code-block`` are defined.  It is able to add custom nodes to these
        default figtypes.  It is also able to define new custom figtype if new
        figtype is given.

        *title_getter* is a getter function to obtain the title of node.  It
        takes an instance of the enumerable node, and it must return its title
        as string.  The title is used to the default title of references for
        :rst:role:`ref`.  By default, Sphinx searches
        ``docutils.nodes.caption`` or ``docutils.nodes.title`` from the node as
        a title.

        Other keyword arguments are used for node visitor functions. See the
        :meth:`.Sphinx.add_node` for details.

        .. versionadded:: 1.4
        """
        self.registry.add_enumerable_node(node, figtype, title_getter, override=override)
        self.add_node(node, override=override, **kwds)

    def add_directive(self, name, cls, override=False):
        # type: (str, Type[Directive], bool) -> None
        """Register a Docutils directive.

        *name* must be the prospective directive name.  *cls* is a directive
        class which inherits ``docutils.parsers.rst.Directive``.  For more
        details, see `the Docutils docs
        <http://docutils.sourceforge.net/docs/howto/rst-directives.html>`_ .

        For example, the (already existing) :rst:dir:`literalinclude` directive
        would be added like this:

        .. code-block:: python

           from docutils.parsers.rst import Directive, directives

           class LiteralIncludeDirective(Directive):
               has_content = True
               required_arguments = 1
               optional_arguments = 0
               final_argument_whitespace = True
               option_spec = {
                   'class': directives.class_option,
                   'name': directives.unchanged,
               }

               def run(self):
                   ...

           add_directive('literalinclude', LiteralIncludeDirective)

        .. versionchanged:: 0.6
           Docutils 0.5-style directive classes are now supported.
        .. deprecated:: 1.8
           Docutils 0.4-style (function based) directives support is deprecated.
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        logger.debug('[app] adding directive: %r', (name, cls))
        if not override and docutils.is_directive_registered(name):
            logger.warning(__('directive %r is already registered, it will be overridden'),
                           name, type='app', subtype='add_directive')

        docutils.register_directive(name, cls)

    def add_role(self, name, role, override=False):
        # type: (str, Any, bool) -> None
        """Register a Docutils role.

        *name* must be the role name that occurs in the source, *role* the role
        function. Refer to the `Docutils documentation
        <http://docutils.sourceforge.net/docs/howto/rst-roles.html>`_ for
        more information.

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        logger.debug('[app] adding role: %r', (name, role))
        if not override and docutils.is_role_registered(name):
            logger.warning(__('role %r is already registered, it will be overridden'),
                           name, type='app', subtype='add_role')
        docutils.register_role(name, role)

    def add_generic_role(self, name, nodeclass, override=False):
        # type: (str, Any, bool) -> None
        """Register a generic Docutils role.

        Register a Docutils role that does nothing but wrap its contents in the
        node given by *nodeclass*.

        .. versionadded:: 0.6
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        # Don't use ``roles.register_generic_role`` because it uses
        # ``register_canonical_role``.
        logger.debug('[app] adding generic role: %r', (name, nodeclass))
        if not override and docutils.is_role_registered(name):
            logger.warning(__('role %r is already registered, it will be overridden'),
                           name, type='app', subtype='add_generic_role')
        role = roles.GenericRole(name, nodeclass)
        docutils.register_role(name, role)

    def add_domain(self, domain, override=False):
        # type: (Type[Domain], bool) -> None
        """Register a domain.

        Make the given *domain* (which must be a class; more precisely, a
        subclass of :class:`~sphinx.domains.Domain`) known to Sphinx.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_domain(domain, override=override)

    def add_directive_to_domain(self, domain, name, cls, override=False):
        # type: (str, str, Type[Directive], bool) -> None
        """Register a Docutils directive in a domain.

        Like :meth:`add_directive`, but the directive is added to the domain
        named *domain*.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_directive_to_domain(domain, name, cls, override=override)

    def add_role_to_domain(self, domain, name, role, override=False):
        # type: (str, str, Union[RoleFunction, XRefRole], bool) -> None
        """Register a Docutils role in a domain.

        Like :meth:`add_role`, but the role is added to the domain named
        *domain*.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_role_to_domain(domain, name, role, override=override)

    def add_index_to_domain(self, domain, index, override=False):
        # type: (str, Type[Index], bool) -> None
        """Register a custom index for a domain.

        Add a custom *index* class to the domain named *domain*.  *index* must
        be a subclass of :class:`~sphinx.domains.Index`.

        .. versionadded:: 1.0
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_index_to_domain(domain, index)

    def add_object_type(self, directivename, rolename, indextemplate='',
                        parse_node=None, ref_nodeclass=None, objname='',
                        doc_field_types=[], override=False):
        # type: (str, str, str, Callable, Type[nodes.TextElement], str, List, bool) -> None
        """Register a new object type.

        This method is a very convenient way to add a new :term:`object` type
        that can be cross-referenced.  It will do this:

        - Create a new directive (called *directivename*) for documenting an
          object.  It will automatically add index entries if *indextemplate*
          is nonempty; if given, it must contain exactly one instance of
          ``%s``.  See the example below for how the template will be
          interpreted.
        - Create a new role (called *rolename*) to cross-reference to these
          object descriptions.
        - If you provide *parse_node*, it must be a function that takes a
          string and a docutils node, and it must populate the node with
          children parsed from the string.  It must then return the name of the
          item to be used in cross-referencing and index entries.  See the
          :file:`conf.py` file in the source for this documentation for an
          example.
        - The *objname* (if not given, will default to *directivename*) names
          the type of object.  It is used when listing objects, e.g. in search
          results.

        For example, if you have this call in a custom Sphinx extension::

           app.add_object_type('directive', 'dir', 'pair: %s; directive')

        you can use this markup in your documents::

           .. rst:directive:: function

              Document a function.

           <...>

           See also the :rst:dir:`function` directive.

        For the directive, an index entry will be generated as if you had prepended ::

           .. index:: pair: function; directive

        The reference node will be of class ``literal`` (so it will be rendered
        in a proportional font, as appropriate for code) unless you give the
        *ref_nodeclass* argument, which must be a docutils node class.  Most
        useful are ``docutils.nodes.emphasis`` or ``docutils.nodes.strong`` --
        you can also use ``docutils.nodes.generated`` if you want no further
        text decoration.  If the text should be treated as literal (e.g. no
        smart quote replacement), but not have typewriter styling, use
        ``sphinx.addnodes.literal_emphasis`` or
        ``sphinx.addnodes.literal_strong``.

        For the role content, you have the same syntactical possibilities as
        for standard Sphinx roles (see :ref:`xref-syntax`).

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_object_type(directivename, rolename, indextemplate, parse_node,
                                      ref_nodeclass, objname, doc_field_types,
                                      override=override)

    def add_crossref_type(self, directivename, rolename, indextemplate='',
                          ref_nodeclass=None, objname='', override=False):
        # type: (str, str, str, Type[nodes.TextElement], str, bool) -> None
        """Register a new crossref object type.

        This method is very similar to :meth:`add_object_type` except that the
        directive it generates must be empty, and will produce no output.

        That means that you can add semantic targets to your sources, and refer
        to them using custom roles instead of generic ones (like
        :rst:role:`ref`).  Example call::

           app.add_crossref_type('topic', 'topic', 'single: %s',
                                 docutils.nodes.emphasis)

        Example usage::

           .. topic:: application API

           The application API
           -------------------

           Some random text here.

           See also :topic:`this section <application API>`.

        (Of course, the element following the ``topic`` directive needn't be a
        section.)

        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_crossref_type(directivename, rolename,
                                        indextemplate, ref_nodeclass, objname,
                                        override=override)

    def add_transform(self, transform):
        # type: (Type[Transform]) -> None
        """Register a Docutils transform to be applied after parsing.

        Add the standard docutils :class:`Transform` subclass *transform* to
        the list of transforms that are applied after Sphinx parses a reST
        document.

        .. list-table:: priority range categories for Sphinx transforms
           :widths: 20,80

           * - Priority
             - Main purpose in Sphinx
           * - 0-99
             - Fix invalid nodes by docutils. Translate a doctree.
           * - 100-299
             - Preparation
           * - 300-399
             - early
           * - 400-699
             - main
           * - 700-799
             - Post processing. Deadline to modify text and referencing.
           * - 800-899
             - Collect referencing and referenced nodes. Domain processing.
           * - 900-999
             - Finalize and clean up.

        refs: `Transform Priority Range Categories`__

        __ http://docutils.sourceforge.net/docs/ref/transforms.html#transform-priority-range-categories
        """  # NOQA
        self.registry.add_transform(transform)

    def add_post_transform(self, transform):
        # type: (Type[Transform]) -> None
        """Register a Docutils transform to be applied before writing.

        Add the standard docutils :class:`Transform` subclass *transform* to
        the list of transforms that are applied before Sphinx writes a
        document.
        """
        self.registry.add_post_transform(transform)

    def add_javascript(self, filename, **kwargs):
        # type: (str, **str) -> None
        """An alias of :meth:`add_js_file`."""
        warnings.warn('The app.add_javascript() is deprecated. '
                      'Please use app.add_js_file() instead.',
                      RemovedInSphinx40Warning, stacklevel=2)
        self.add_js_file(filename, **kwargs)

    def add_js_file(self, filename, **kwargs):
        # type: (str, **str) -> None
        """Register a JavaScript file to include in the HTML output.

        Add *filename* to the list of JavaScript files that the default HTML
        template will include.  The filename must be relative to the HTML
        static path , or a full URI with scheme.  The keyword arguments are
        also accepted for attributes of ``<script>`` tag.

        Example::

            app.add_js_file('example.js')
            # => <script src="_static/example.js"></script>

            app.add_js_file('example.js', async="async")
            # => <script src="_static/example.js" async="async"></script>

        .. versionadded:: 0.5

        .. versionchanged:: 1.8
           Renamed from ``app.add_javascript()``.
           And it allows keyword arguments as attributes of script tag.
        """
        self.registry.add_js_file(filename, **kwargs)
        if hasattr(self.builder, 'add_js_file'):
            self.builder.add_js_file(filename, **kwargs)  # type: ignore

    def add_css_file(self, filename, **kwargs):
        # type: (str, **str) -> None
        """Register a stylesheet to include in the HTML output.

        Add *filename* to the list of CSS files that the default HTML template
        will include.  The filename must be relative to the HTML static path,
        or a full URI with scheme.  The keyword arguments are also accepted for
        attributes of ``<link>`` tag.

        Example::

            app.add_css_file('custom.css')
            # => <link rel="stylesheet" href="_static/custom.css" type="text/css" />

            app.add_css_file('print.css', media='print')
            # => <link rel="stylesheet" href="_static/print.css"
            #          type="text/css" media="print" />

            app.add_css_file('fancy.css', rel='alternate stylesheet', title='fancy')
            # => <link rel="alternate stylesheet" href="_static/fancy.css"
            #          type="text/css" title="fancy" />

        .. versionadded:: 1.0

        .. versionchanged:: 1.6
           Optional ``alternate`` and/or ``title`` attributes can be supplied
           with the *alternate* (of boolean type) and *title* (a string)
           arguments. The default is no title and *alternate* = ``False``. For
           more information, refer to the `documentation
           <https://mdn.io/Web/CSS/Alternative_style_sheets>`__.

        .. versionchanged:: 1.8
           Renamed from ``app.add_stylesheet()``.
           And it allows keyword arguments as attributes of link tag.
        """
        logger.debug('[app] adding stylesheet: %r', filename)
        self.registry.add_css_files(filename, **kwargs)
        if hasattr(self.builder, 'add_css_file'):
            self.builder.add_css_file(filename, **kwargs)  # type: ignore

    def add_stylesheet(self, filename, alternate=False, title=None):
        # type: (str, bool, str) -> None
        """An alias of :meth:`add_css_file`."""
        warnings.warn('The app.add_stylesheet() is deprecated. '
                      'Please use app.add_css_file() instead.',
                      RemovedInSphinx40Warning, stacklevel=2)

        attributes = {}  # type: Dict[str, str]
        if alternate:
            attributes['rel'] = 'alternate stylesheet'
        else:
            attributes['rel'] = 'stylesheet'

        if title:
            attributes['title'] = title

        self.add_css_file(filename, **attributes)

    def add_latex_package(self, packagename, options=None):
        # type: (str, str) -> None
        r"""Register a package to include in the LaTeX source code.

        Add *packagename* to the list of packages that LaTeX source code will
        include.  If you provide *options*, it will be taken to `\usepackage`
        declaration.

        .. code-block:: python

           app.add_latex_package('mypackage')
           # => \usepackage{mypackage}
           app.add_latex_package('mypackage', 'foo,bar')
           # => \usepackage[foo,bar]{mypackage}

        .. versionadded:: 1.3
        """
        self.registry.add_latex_package(packagename, options)

    def add_lexer(self, alias, lexer):
        # type: (str, Union[Lexer, Type[Lexer]]) -> None
        """Register a new lexer for source code.

        Use *lexer* to highlight code blocks with the given language *alias*.

        .. versionadded:: 0.6
        .. versionchanged:: 2.1
           Take a lexer class as an argument.  An instance of lexers are
           still supported until Sphinx-3.x.
        """
        logger.debug('[app] adding lexer: %r', (alias, lexer))
        if isinstance(lexer, Lexer):
            warnings.warn('app.add_lexer() API changed; '
                          'Please give lexer class instead instance',
                          RemovedInSphinx40Warning)
            lexers[alias] = lexer
        else:
            lexer_classes[alias] = lexer

    def add_autodocumenter(self, cls, override=False):
        # type: (Any, bool) -> None
        """Register a new documenter class for the autodoc extension.

        Add *cls* as a new documenter class for the :mod:`sphinx.ext.autodoc`
        extension.  It must be a subclass of
        :class:`sphinx.ext.autodoc.Documenter`.  This allows to auto-document
        new types of objects.  See the source of the autodoc module for
        examples on how to subclass :class:`Documenter`.

        .. todo:: Add real docs for Documenter and subclassing

        .. versionadded:: 0.6
        .. versionchanged:: 2.2
           Add *override* keyword.
        """
        logger.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext.autodoc.directive import AutodocDirective
        self.registry.add_documenter(cls.objtype, cls)
        self.add_directive('auto' + cls.objtype, AutodocDirective, override=override)

    def add_autodoc_attrgetter(self, typ, getter):
        # type: (Type, Callable[[Any, str, Any], Any]) -> None
        """Register a new ``getattr``-like function for the autodoc extension.

        Add *getter*, which must be a function with an interface compatible to
        the :func:`getattr` builtin, as the autodoc attribute getter for
        objects that are instances of *typ*.  All cases where autodoc needs to
        get an attribute of a type are then handled by this function instead of
        :func:`getattr`.

        .. versionadded:: 0.6
        """
        logger.debug('[app] adding autodoc attrgetter: %r', (typ, getter))
        self.registry.add_autodoc_attrgetter(typ, getter)

    def add_search_language(self, cls):
        # type: (Any) -> None
        """Register a new language for the HTML search index.

        Add *cls*, which must be a subclass of
        :class:`sphinx.search.SearchLanguage`, as a support language for
        building the HTML full-text search index.  The class must have a *lang*
        attribute that indicates the language it should be used for.  See
        :confval:`html_search_language`.

        .. versionadded:: 1.1
        """
        logger.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls

    def add_source_suffix(self, suffix, filetype, override=False):
        # type: (str, str, bool) -> None
        """Register a suffix of source files.

        Same as :confval:`source_suffix`.  The users can override this
        using the setting.

        .. versionadded:: 1.8
        """
        self.registry.add_source_suffix(suffix, filetype, override=override)

    def add_source_parser(self, *args, **kwargs):
        # type: (Any, Any) -> None
        """Register a parser class.

        .. versionadded:: 1.4
        .. versionchanged:: 1.8
           *suffix* argument is deprecated.  It only accepts *parser* argument.
           Use :meth:`add_source_suffix` API to register suffix instead.
        .. versionchanged:: 1.8
           Add *override* keyword.
        """
        self.registry.add_source_parser(*args, **kwargs)

    def add_env_collector(self, collector):
        # type: (Type[EnvironmentCollector]) -> None
        """Register an environment collector class.

        Refer to :ref:`collector-api`.

        .. versionadded:: 1.6
        """
        logger.debug('[app] adding environment collector: %r', collector)
        collector().enable(self)

    def add_html_theme(self, name, theme_path):
        # type: (str, str) -> None
        """Register a HTML Theme.

        The *name* is a name of theme, and *path* is a full path to the theme
        (refs: :ref:`distribute-your-theme`).

        .. versionadded:: 1.6
        """
        logger.debug('[app] adding HTML theme: %r, %r', name, theme_path)
        self.html_themes[name] = theme_path

    def add_html_math_renderer(self, name, inline_renderers=None, block_renderers=None):
        # type: (str, Tuple[Callable, Callable], Tuple[Callable, Callable]) -> None
        """Register a math renderer for HTML.

        The *name* is a name of math renderer.  Both *inline_renderers* and
        *block_renderers* are used as visitor functions for the HTML writer:
        the former for inline math node (``nodes.math``), the latter for
        block math node (``nodes.math_block``).  Regarding visitor functions,
        see :meth:`add_node` for details.

        .. versionadded:: 1.8

        """
        self.registry.add_html_math_renderer(name, inline_renderers, block_renderers)

    def add_message_catalog(self, catalog, locale_dir):
        # type: (str, str) -> None
        """Register a message catalog.

        The *catalog* is a name of catalog, and *locale_dir* is a base path
        of message catalog.  For more details, see
        :func:`sphinx.locale.get_translation()`.

        .. versionadded:: 1.8
        """
        locale.init([locale_dir], self.config.language, catalog)
        locale.init_console(locale_dir, catalog)

    # ---- other methods -------------------------------------------------
    def is_parallel_allowed(self, typ):
        # type: (str) -> bool
        """Check parallel processing is allowed or not.

        ``typ`` is a type of processing; ``'read'`` or ``'write'``.
        """
        if typ == 'read':
            attrname = 'parallel_read_safe'
            message_not_declared = __("the %s extension does not declare if it "
                                      "is safe for parallel reading, assuming "
                                      "it isn't - please ask the extension author "
                                      "to check and make it explicit")
            message_not_safe = __("the %s extension is not safe for parallel reading")
        elif typ == 'write':
            attrname = 'parallel_write_safe'
            message_not_declared = __("the %s extension does not declare if it "
                                      "is safe for parallel writing, assuming "
                                      "it isn't - please ask the extension author "
                                      "to check and make it explicit")
            message_not_safe = __("the %s extension is not safe for parallel writing")
        else:
            raise ValueError('parallel type %s is not supported' % typ)

        for ext in self.extensions.values():
            allowed = getattr(ext, attrname, None)
            if allowed is None:
                logger.warning(message_not_declared, ext.name)
                logger.warning(__('doing serial %s'), typ)
                return False
            elif not allowed:
                logger.warning(message_not_safe, ext.name)
                logger.warning(__('doing serial %s'), typ)
                return False

        return True
Beispiel #27
0
 def clear_doc(self, app: Sphinx, env: BuildEnvironment,
               docname: str) -> None:
     env.rjs_css_classes = set()
class Sphinx(object):
    def __init__(
        self,
        srcdir,
        confdir,
        outdir,
        doctreedir,
        buildername,
        confoverrides=None,
        status=sys.stdout,
        warning=sys.stderr,
        freshenv=False,
        warningiserror=False,
        tags=None,
        verbosity=0,
        parallel=0,
    ):
        self.verbosity = verbosity
        self.next_listener_id = 0
        self._extensions = {}
        self._extension_metadata = {}
        self._listeners = {}
        self.domains = BUILTIN_DOMAINS.copy()
        self.builderclasses = BUILTIN_BUILDERS.copy()
        self.builder = None
        self.env = None

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = cStringIO()
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = cStringIO()
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror

        self._events = events.copy()
        self._translators = {}

        # keep last few messages for traceback
        self.messagelog = deque(maxlen=10)

        # say hello to the world
        self.info(bold("Running Sphinx v%s" % sphinx.__display_version__))

        # status code for command-line application
        self.statuscode = 0

        if not path.isdir(outdir):
            self.info("making output directory...")
            os.makedirs(outdir)

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME, confoverrides or {}, self.tags)
        self.config.check_unicode(self.warn)
        # defer checking types until i18n has been initialized

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # extension loading support for alabaster theme
        # self.config.html_theme is not set from conf.py at here
        # for now, sphinx always load a 'alabaster' extension.
        if "alabaster" not in self.config.extensions:
            self.config.extensions.append("alabaster")

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            # py31 doesn't have 'callable' function for below check
            if hasattr(self.config.setup, "__call__"):
                self.config.setup(self)
            else:
                raise ConfigError(
                    "'setup' that is specified in the conf.py has not been "
                    + "callable. Please provide a callable `setup` function "
                    + "in order to behave as a sphinx extension conf.py itself."
                )

        # now that we know all config values, collect them from conf.py
        self.config.init_values(self.warn)

        # check the Sphinx version if requested
        if self.config.needs_sphinx and self.config.needs_sphinx > sphinx.__display_version__[:3]:
            raise VersionRequirementError(
                "This project needs at least Sphinx v%s and therefore cannot "
                "be built with this version." % self.config.needs_sphinx
            )

        # check extension versions if requested
        if self.config.needs_extensions:
            for extname, needs_ver in self.config.needs_extensions.items():
                if extname not in self._extensions:
                    self.warn(
                        "needs_extensions config value specifies a "
                        "version requirement for extension %s, but it is "
                        "not loaded" % extname
                    )
                    continue
                has_ver = self._extension_metadata[extname]["version"]
                if has_ver == "unknown version" or needs_ver > has_ver:
                    raise VersionRequirementError(
                        "This project needs the extension %s at least in "
                        "version %s and therefore cannot be built with the "
                        "loaded version (%s)." % (extname, needs_ver, has_ver)
                    )

        # set up translation infrastructure
        self._init_i18n()
        # check all configuration values for permissible types
        self.config.check_types(self.warn)
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(buildername)

    def _init_i18n(self):
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            self.info(bold("loading translations [%s]... " % self.config.language), nonl=True)
            locale_dirs = [None, path.join(package_dir, "locale")] + [
                path.join(self.srcdir, x) for x in self.config.locale_dirs
            ]
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs, self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == "en":
                # "en" never needs to be translated
                self.info("done")
            else:
                self.info("not available for built-in messages")

    def _init_env(self, freshenv):
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir, self.config)
            self.env.find_files(self.config)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold("loading pickled environment... "), nonl=True)
                self.env = BuildEnvironment.frompickle(self.config, path.join(self.doctreedir, ENV_PICKLE_FILENAME))
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info("done")
            except Exception as err:
                if isinstance(err, IOError) and err.errno == ENOENT:
                    self.info("not yet created")
                else:
                    self.info("failed: %s" % err)
                return self._init_env(freshenv=True)

        self.env.set_warnfunc(self.warn)

    def _init_builder(self, buildername):
        if buildername is None:
            print("No builder selected, using default: html", file=self._status)
            buildername = "html"
        if buildername not in self.builderclasses:
            raise SphinxError("Builder name %s not registered" % buildername)

        builderclass = self.builderclasses[buildername]
        if isinstance(builderclass, tuple):
            # builtin builder
            mod, cls = builderclass
            builderclass = getattr(__import__("sphinx.builders." + mod, None, None, [cls]), cls)
        self.builder = builderclass(self)
        self.emit("builder-inited")

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        try:
            if force_all:
                self.builder.compile_all_catalogs()
                self.builder.build_all()
            elif filenames:
                self.builder.compile_specific_catalogs(filenames)
                self.builder.build_specific(filenames)
            else:
                self.builder.compile_update_catalogs()
                self.builder.build_update()

            status = self.statuscode == 0 and "succeeded" or "finished with problems"
            if self._warncount:
                self.info(
                    bold("build %s, %s warning%s." % (status, self._warncount, self._warncount != 1 and "s" or ""))
                )
            else:
                self.info(bold("build %s." % status))
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit("build-finished", err)
            raise
        else:
            self.emit("build-finished", None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------

    def _log(self, message, wfile, nonl=False):
        try:
            wfile.write(message)
        except UnicodeEncodeError:
            encoding = getattr(wfile, "encoding", "ascii") or "ascii"
            wfile.write(message.encode(encoding, "replace"))
        if not nonl:
            wfile.write("\n")
        if hasattr(wfile, "flush"):
            wfile.flush()
        self.messagelog.append(message)

    def warn(self, message, location=None, prefix="WARNING: "):
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *prefix* usually should not be changed.

        .. note::

           For warnings emitted during parsing, you should use
           :meth:`.BuildEnvironment.warn` since that will collect all
           warnings during parsing for later output.
        """
        if isinstance(location, tuple):
            docname, lineno = location
            if docname:
                location = "%s:%s" % (self.env.doc2path(docname), lineno or "")
            else:
                location = None
        warntext = location and "%s: %s%s\n" % (location, prefix, message) or "%s%s\n" % (prefix, message)
        if self.warningiserror:
            raise SphinxWarning(warntext)
        self._warncount += 1
        self._log(warntext, self._warning, True)

    def info(self, message="", nonl=False):
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        self._log(message, self._status, nonl)

    def verbose(self, message, *args, **kwargs):
        """Emit a verbose informational message.

        The message will only be emitted for verbosity levels >= 1 (i.e. at
        least one ``-v`` option was given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 1:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(message, self._status)

    def debug(self, message, *args, **kwargs):
        """Emit a debug-level informational message.

        The message will only be emitted for verbosity levels >= 2 (i.e. at
        least two ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 2:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(darkgray(message), self._status)

    def debug2(self, message, *args, **kwargs):
        """Emit a lowlevel debug-level informational message.

        The message will only be emitted for verbosity level 3 (i.e. three
        ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 3:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(lightgray(message), self._status)

    def _display_chunk(chunk):
        if isinstance(chunk, (list, tuple)):
            if len(chunk) == 1:
                return text_type(chunk[0])
            return "%s .. %s" % (chunk[0], chunk[-1])
        return text_type(chunk)

    def old_status_iterator(self, iterable, summary, colorfunc=darkgreen, stringify_func=_display_chunk):
        l = 0
        for item in iterable:
            if l == 0:
                self.info(bold(summary), nonl=1)
                l = 1
            self.info(colorfunc(stringify_func(item)) + " ", nonl=1)
            yield item
        if l == 1:
            self.info()

    # new version with progress info
    def status_iterator(self, iterable, summary, colorfunc=darkgreen, length=0, stringify_func=_display_chunk):
        if length == 0:
            for item in self.old_status_iterator(iterable, summary, colorfunc, stringify_func):
                yield item
            return
        l = 0
        summary = bold(summary)
        for item in iterable:
            l += 1
            s = "%s[%3d%%] %s" % (summary, 100 * l / length, colorfunc(stringify_func(item)))
            if self.verbosity:
                s += "\n"
            else:
                s = term_width_line(s)
            self.info(s, nonl=1)
            yield item
        if l > 0:
            self.info()

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extension):
        """Import and setup a Sphinx extension module. No-op if called twice."""
        self.debug("[app] setting up extension: %r", extension)
        if extension in self._extensions:
            return
        try:
            mod = __import__(extension, None, None, ["setup"])
        except ImportError as err:
            self.verbose("Original exception:\n" + traceback.format_exc())
            raise ExtensionError("Could not import extension %s" % extension, err)
        if not hasattr(mod, "setup"):
            self.warn("extension %r has no setup() function; is it really " "a Sphinx extension module?" % extension)
            ext_meta = None
        else:
            try:
                ext_meta = mod.setup(self)
            except VersionRequirementError as err:
                # add the extension name to the version required
                raise VersionRequirementError(
                    "The %s extension used by this project needs at least "
                    "Sphinx v%s; it therefore cannot be built with this "
                    "version." % (extension, err)
                )
        if ext_meta is None:
            ext_meta = {}
        if not ext_meta.get("version"):
            ext_meta["version"] = "unknown version"
        self._extensions[extension] = mod
        self._extension_metadata[extension] = ext_meta

    def require_sphinx(self, version):
        # check the Sphinx version if requested
        if version > sphinx.__display_version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        """Import an object from a 'module.name' string."""
        return import_object(objname, source=None)

    # event interface

    def _validate_event(self, event):
        event = intern(event)
        if event not in self._events:
            raise ExtensionError("Unknown event name: %s" % event)

    def connect(self, event, callback):
        self._validate_event(event)
        listener_id = self.next_listener_id
        if event not in self._listeners:
            self._listeners[event] = {listener_id: callback}
        else:
            self._listeners[event][listener_id] = callback
        self.next_listener_id += 1
        self.debug("[app] connecting event %r: %r [id=%s]", event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        self.debug("[app] disconnecting event: [id=%s]", listener_id)
        for event in itervalues(self._listeners):
            event.pop(listener_id, None)

    def emit(self, event, *args):
        try:
            self.debug2("[app] emitting event: %r%s", event, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass
        results = []
        if event in self._listeners:
            for _, callback in iteritems(self._listeners[event]):
                results.append(callback(self, *args))
        return results

    def emit_firstresult(self, event, *args):
        for result in self.emit(event, *args):
            if result is not None:
                return result
        return None

    # registering addon parts

    def add_builder(self, builder):
        self.debug("[app] adding builder: %r", builder)
        if not hasattr(builder, "name"):
            raise ExtensionError('Builder class %s has no "name" attribute' % builder)
        if builder.name in self.builderclasses:
            if isinstance(self.builderclasses[builder.name], tuple):
                raise ExtensionError("Builder %r is a builtin builder" % builder.name)
            else:
                raise ExtensionError(
                    "Builder %r already exists (in module %s)"
                    % (builder.name, self.builderclasses[builder.name].__module__)
                )
        self.builderclasses[builder.name] = builder

    def add_config_value(self, name, default, rebuild):
        self.debug("[app] adding config value: %r", (name, default, rebuild))
        if name in self.config.values:
            raise ExtensionError("Config value %r already present" % name)
        if rebuild in (False, True):
            rebuild = rebuild and "env" or ""
        self.config.values[name] = (default, rebuild)

    def add_event(self, name):
        self.debug("[app] adding event: %r", name)
        if name in self._events:
            raise ExtensionError("Event %r already present" % name)
        self._events[name] = ""

    def set_translator(self, name, translator_class):
        self.info(bold("A Translator for the %s builder is changed." % name))
        self._translators[name] = translator_class

    def add_node(self, node, **kwds):
        self.debug("[app] adding node: %r", (node, kwds))
        nodes._add_node_class_names([node.__name__])
        for key, val in iteritems(kwds):
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError("Value for key %r must be a " "(visit, depart) function tuple" % key)
            translator = self._translators.get(key)
            if translator is not None:
                pass
            elif key == "html":
                from sphinx.writers.html import HTMLTranslator as translator
            elif key == "latex":
                from sphinx.writers.latex import LaTeXTranslator as translator
            elif key == "text":
                from sphinx.writers.text import TextTranslator as translator
            elif key == "man":
                from sphinx.writers.manpage import ManualPageTranslator as translator
            elif key == "texinfo":
                from sphinx.writers.texinfo import TexinfoTranslator as translator
            else:
                # ignore invalid keys for compatibility
                continue
            setattr(translator, "visit_" + node.__name__, visit)
            if depart:
                setattr(translator, "depart_" + node.__name__, depart)

    def _directive_helper(self, obj, content=None, arguments=None, **options):
        if isinstance(obj, (types.FunctionType, types.MethodType)):
            obj.content = content
            obj.arguments = arguments or (0, 0, False)
            obj.options = options
            return convert_directive_function(obj)
        else:
            if content or arguments or options:
                raise ExtensionError("when adding directive classes, no " "additional arguments may be given")
            return obj

    def add_directive(self, name, obj, content=None, arguments=None, **options):
        self.debug("[app] adding directive: %r", (name, obj, content, arguments, options))
        directives.register_directive(name, self._directive_helper(obj, content, arguments, **options))

    def add_role(self, name, role):
        self.debug("[app] adding role: %r", (name, role))
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        self.debug("[app] adding generic role: %r", (name, nodeclass))
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        self.debug("[app] adding domain: %r", domain)
        if domain.name in self.domains:
            raise ExtensionError("domain %s already registered" % domain.name)
        self.domains[domain.name] = domain

    def override_domain(self, domain):
        self.debug("[app] overriding domain: %r", domain)
        if domain.name not in self.domains:
            raise ExtensionError("domain %s not yet registered" % domain.name)
        if not issubclass(domain, self.domains[domain.name]):
            raise ExtensionError("new domain not a subclass of registered %s " "domain" % domain.name)
        self.domains[domain.name] = domain

    def add_directive_to_domain(self, domain, name, obj, content=None, arguments=None, **options):
        self.debug("[app] adding directive to domain: %r", (domain, name, obj, content, arguments, options))
        if domain not in self.domains:
            raise ExtensionError("domain %s not yet registered" % domain)
        self.domains[domain].directives[name] = self._directive_helper(obj, content, arguments, **options)

    def add_role_to_domain(self, domain, name, role):
        self.debug("[app] adding role to domain: %r", (domain, name, role))
        if domain not in self.domains:
            raise ExtensionError("domain %s not yet registered" % domain)
        self.domains[domain].roles[name] = role

    def add_index_to_domain(self, domain, index):
        self.debug("[app] adding index to domain: %r", (domain, index))
        if domain not in self.domains:
            raise ExtensionError("domain %s not yet registered" % domain)
        self.domains[domain].indices.append(index)

    def add_object_type(
        self,
        directivename,
        rolename,
        indextemplate="",
        parse_node=None,
        ref_nodeclass=None,
        objname="",
        doc_field_types=[],
    ):
        self.debug(
            "[app] adding object type: %r",
            (directivename, rolename, indextemplate, parse_node, ref_nodeclass, objname, doc_field_types),
        )
        StandardDomain.object_types[directivename] = ObjType(objname or directivename, rolename)
        # create a subclass of GenericObject as the new directive
        new_directive = type(
            directivename,
            (GenericObject, object),
            {
                "indextemplate": indextemplate,
                "parse_node": staticmethod(parse_node),
                "doc_field_types": doc_field_types,
            },
        )
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    # backwards compatible alias
    add_description_unit = add_object_type

    def add_crossref_type(self, directivename, rolename, indextemplate="", ref_nodeclass=None, objname=""):
        self.debug("[app] adding crossref type: %r", (directivename, rolename, indextemplate, ref_nodeclass, objname))
        StandardDomain.object_types[directivename] = ObjType(objname or directivename, rolename)
        # create a subclass of Target as the new directive
        new_directive = type(directivename, (Target, object), {"indextemplate": indextemplate})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    def add_transform(self, transform):
        self.debug("[app] adding transform: %r", transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_javascript(self, filename):
        self.debug("[app] adding javascript: %r", filename)
        from sphinx.builders.html import StandaloneHTMLBuilder

        if "://" in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(posixpath.join("_static", filename))

    def add_stylesheet(self, filename):
        self.debug("[app] adding stylesheet: %r", filename)
        from sphinx.builders.html import StandaloneHTMLBuilder

        if "://" in filename:
            StandaloneHTMLBuilder.css_files.append(filename)
        else:
            StandaloneHTMLBuilder.css_files.append(posixpath.join("_static", filename))

    def add_latex_package(self, packagename, options=None):
        self.debug("[app] adding latex package: %r", packagename)
        from sphinx.builders.latex import LaTeXBuilder

        LaTeXBuilder.usepackages.append((packagename, options))

    def add_lexer(self, alias, lexer):
        self.debug("[app] adding lexer: %r", (alias, lexer))
        from sphinx.highlighting import lexers

        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        self.debug("[app] adding autodocumenter: %r", cls)
        from sphinx.ext import autodoc

        autodoc.add_documenter(cls)
        self.add_directive("auto" + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        self.debug("[app] adding autodoc attrgetter: %r", (type, getter))
        from sphinx.ext import autodoc

        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        self.debug("[app] adding search language: %r", cls)
        from sphinx.search import languages, SearchLanguage

        assert issubclass(cls, SearchLanguage)
        languages[cls.lang] = cls
Beispiel #29
0
 def merge_other(self, app: Sphinx, env: BuildEnvironment,
                 docnames: Set[str], other: BuildEnvironment) -> None:
     env.rjs_css_classes = getattr(env, 'rjs_css_classes', []) | getattr(
         other, 'rjs_css_classes', [])
Beispiel #30
0
class Sphinx(object):

    def __init__(self, srcdir, confdir, outdir, doctreedir, buildername,
                 confoverrides=None, status=sys.stdout, warning=sys.stderr,
                 freshenv=False, warningiserror=False, tags=None, verbosity=0,
                 parallel=0):
        self.verbosity = verbosity
        self.next_listener_id = 0
        self._extensions = {}
        self._listeners = {}
        self.domains = BUILTIN_DOMAINS.copy()
        self.builderclasses = BUILTIN_BUILDERS.copy()
        self.builder = None
        self.env = None

        self.srcdir = srcdir
        self.confdir = confdir
        self.outdir = outdir
        self.doctreedir = doctreedir

        self.parallel = parallel

        if status is None:
            self._status = StringIO()
            self.quiet = True
        else:
            self._status = status
            self.quiet = False

        if warning is None:
            self._warning = StringIO()
        else:
            self._warning = warning
        self._warncount = 0
        self.warningiserror = warningiserror

        self._events = events.copy()

        # say hello to the world
        self.info(bold('Running Sphinx v%s' % sphinx.__version__))

        # status code for command-line application
        self.statuscode = 0

        # read config
        self.tags = Tags(tags)
        self.config = Config(confdir, CONFIG_FILENAME,
                             confoverrides or {}, self.tags)
        self.config.check_unicode(self.warn)

        # set confdir to srcdir if -C given (!= no confdir); a few pieces
        # of code expect a confdir to be set
        if self.confdir is None:
            self.confdir = self.srcdir

        # load all user-given extension modules
        for extension in self.config.extensions:
            self.setup_extension(extension)
        # the config file itself can be an extension
        if self.config.setup:
            self.config.setup(self)

        # now that we know all config values, collect them from conf.py
        self.config.init_values(self.warn)

        # check the Sphinx version if requested
        if self.config.needs_sphinx and \
           self.config.needs_sphinx > sphinx.__version__[:3]:
            raise VersionRequirementError(
                'This project needs at least Sphinx v%s and therefore cannot '
                'be built with this version.' % self.config.needs_sphinx)

        # set up translation infrastructure
        self._init_i18n()
        # set up the build environment
        self._init_env(freshenv)
        # set up the builder
        self._init_builder(buildername)

    def _init_i18n(self):
        """Load translated strings from the configured localedirs if enabled in
        the configuration.
        """
        if self.config.language is not None:
            self.info(bold('loading translations [%s]... ' %
                           self.config.language), nonl=True)
            locale_dirs = [None, path.join(package_dir, 'locale')] + \
                [path.join(self.srcdir, x) for x in self.config.locale_dirs]
        else:
            locale_dirs = []
        self.translator, has_translation = locale.init(locale_dirs,
                                                       self.config.language)
        if self.config.language is not None:
            if has_translation or self.config.language == 'en':
                # "en" never needs to be translated
                self.info('done')
            else:
                self.info('not available for built-in messages')

    def _init_env(self, freshenv):
        if freshenv:
            self.env = BuildEnvironment(self.srcdir, self.doctreedir,
                                        self.config)
            self.env.find_files(self.config)
            for domain in self.domains.keys():
                self.env.domains[domain] = self.domains[domain](self.env)
        else:
            try:
                self.info(bold('loading pickled environment... '), nonl=True)
                self.env = BuildEnvironment.frompickle(self.config,
                    path.join(self.doctreedir, ENV_PICKLE_FILENAME))
                self.env.domains = {}
                for domain in self.domains.keys():
                    # this can raise if the data version doesn't fit
                    self.env.domains[domain] = self.domains[domain](self.env)
                self.info('done')
            except Exception as err:
                if type(err) is IOError and err.errno == ENOENT:
                    self.info('not yet created')
                else:
                    self.info('failed: %s' % err)
                return self._init_env(freshenv=True)

        self.env.set_warnfunc(self.warn)

    def _init_builder(self, buildername):
        if buildername is None:
            print('No builder selected, using default: html', file=self._status)
            buildername = 'html'
        if buildername not in self.builderclasses:
            raise SphinxError('Builder name %s not registered' % buildername)

        builderclass = self.builderclasses[buildername]
        if isinstance(builderclass, tuple):
            # builtin builder
            mod, cls = builderclass
            builderclass = getattr(
                __import__('sphinx.builders.' + mod, None, None, [cls]), cls)
        self.builder = builderclass(self)
        self.emit('builder-inited')

    # ---- main "build" method -------------------------------------------------

    def build(self, force_all=False, filenames=None):
        try:
            if force_all:
                self.builder.build_all()
            elif filenames:
                self.builder.build_specific(filenames)
            else:
                self.builder.build_update()
        except Exception as err:
            # delete the saved env to force a fresh build next time
            envfile = path.join(self.doctreedir, ENV_PICKLE_FILENAME)
            if path.isfile(envfile):
                os.unlink(envfile)
            self.emit('build-finished', err)
            raise
        else:
            self.emit('build-finished', None)
        self.builder.cleanup()

    # ---- logging handling ----------------------------------------------------

    def _log(self, message, wfile, nonl=False):
        try:
            wfile.write(message)
        except UnicodeEncodeError:
            encoding = getattr(wfile, 'encoding', 'ascii') or 'ascii'
            wfile.write(message.encode(encoding, 'replace'))
        if not nonl:
            wfile.write('\n')
        if hasattr(wfile, 'flush'):
            wfile.flush()

    def warn(self, message, location=None, prefix='WARNING: '):
        """Emit a warning.

        If *location* is given, it should either be a tuple of (docname, lineno)
        or a string describing the location of the warning as well as possible.

        *prefix* usually should not be changed.

        .. note::

           For warnings emitted during parsing, you should use
           :meth:`.BuildEnvironment.warn` since that will collect all
           warnings during parsing for later output.
        """
        if isinstance(location, tuple):
            docname, lineno = location
            if docname:
                location = '%s:%s' % (self.env.doc2path(docname), lineno or '')
            else:
                location = None
        warntext = location and '%s: %s%s\n' % (location, prefix, message) or \
                   '%s%s\n' % (prefix, message)
        if self.warningiserror:
            raise SphinxWarning(warntext)
        self._warncount += 1
        self._log(warntext, self._warning, True)

    def info(self, message='', nonl=False):
        """Emit an informational message.

        If *nonl* is true, don't emit a newline at the end (which implies that
        more info output will follow soon.)
        """
        self._log(message, self._status, nonl)

    def verbose(self, message, *args, **kwargs):
        """Emit a verbose informational message.

        The message will only be emitted for verbosity levels >= 1 (i.e. at
        least one ``-v`` option was given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 1:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(message, self._status)

    def debug(self, message, *args, **kwargs):
        """Emit a debug-level informational message.

        The message will only be emitted for verbosity levels >= 2 (i.e. at
        least two ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 2:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(darkgray(message), self._status)

    def debug2(self, message, *args, **kwargs):
        """Emit a lowlevel debug-level informational message.

        The message will only be emitted for verbosity level 3 (i.e. three
        ``-v`` options were given).

        The message can contain %-style interpolation placeholders, which is
        formatted with either the ``*args`` or ``**kwargs`` when output.
        """
        if self.verbosity < 3:
            return
        if args or kwargs:
            message = message % (args or kwargs)
        self._log(lightgray(message), self._status)

    # ---- general extensibility interface -------------------------------------

    def setup_extension(self, extension):
        """Import and setup a Sphinx extension module. No-op if called twice."""
        self.debug('[app] setting up extension: %r', extension)
        if extension in self._extensions:
            return
        try:
            mod = __import__(extension, None, None, ['setup'])
        except ImportError as err:
            self.verbose('Original exception:\n' + traceback.format_exc())
            raise ExtensionError('Could not import extension %s' % extension,
                                 err)
        if not hasattr(mod, 'setup'):
            self.warn('extension %r has no setup() function; is it really '
                      'a Sphinx extension module?' % extension)
        else:
            try:
                mod.setup(self)
            except VersionRequirementError as err:
                # add the extension name to the version required
                raise VersionRequirementError(
                    'The %s extension used by this project needs at least '
                    'Sphinx v%s; it therefore cannot be built with this '
                    'version.' % (extension, err))
        self._extensions[extension] = mod

    def require_sphinx(self, version):
        # check the Sphinx version if requested
        if version > sphinx.__version__[:3]:
            raise VersionRequirementError(version)

    def import_object(self, objname, source=None):
        """Import an object from a 'module.name' string."""
        try:
            module, name = objname.rsplit('.', 1)
        except ValueError as err:
            raise ExtensionError('Invalid full object name %s' % objname +
                                 (source and ' (needed for %s)' % source or ''),
                                 err)
        try:
            return getattr(__import__(module, None, None, [name]), name)
        except ImportError as err:
            raise ExtensionError('Could not import %s' % module +
                                 (source and ' (needed for %s)' % source or ''),
                                 err)
        except AttributeError as err:
            raise ExtensionError('Could not find %s' % objname +
                                 (source and ' (needed for %s)' % source or ''),
                                 err)

    # event interface

    def _validate_event(self, event):
        event = intern(event)
        if event not in self._events:
            raise ExtensionError('Unknown event name: %s' % event)

    def connect(self, event, callback):
        self._validate_event(event)
        listener_id = self.next_listener_id
        if event not in self._listeners:
            self._listeners[event] = {listener_id: callback}
        else:
            self._listeners[event][listener_id] = callback
        self.next_listener_id += 1
        self.debug('[app] connecting event %r: %r [id=%s]',
                   event, callback, listener_id)
        return listener_id

    def disconnect(self, listener_id):
        self.debug('[app] disconnecting event: [id=%s]', listener_id)
        for event in self._listeners.itervalues():
            event.pop(listener_id, None)

    def emit(self, event, *args):
        try:
            self.debug2('[app] emitting event: %r%s', event, repr(args)[:100])
        except Exception:  # not every object likes to be repr()'d (think
                           # random stuff coming via autodoc)
            pass
        results = []
        if event in self._listeners:
            for _, callback in self._listeners[event].iteritems():
                results.append(callback(self, *args))
        return results

    def emit_firstresult(self, event, *args):
        for result in self.emit(event, *args):
            if result is not None:
                return result
        return None

    # registering addon parts

    def add_builder(self, builder):
        self.debug('[app] adding builder: %r', builder)
        if not hasattr(builder, 'name'):
            raise ExtensionError('Builder class %s has no "name" attribute'
                                 % builder)
        if builder.name in self.builderclasses:
            if isinstance(self.builderclasses[builder.name], tuple):
                raise ExtensionError('Builder %r is a builtin builder' %
                                     builder.name)
            else:
                raise ExtensionError(
                    'Builder %r already exists (in module %s)' % (
                    builder.name, self.builderclasses[builder.name].__module__))
        self.builderclasses[builder.name] = builder

    def add_config_value(self, name, default, rebuild):
        self.debug('[app] adding config value: %r', (name, default, rebuild))
        if name in self.config.values:
            raise ExtensionError('Config value %r already present' % name)
        if rebuild in (False, True):
            rebuild = rebuild and 'env' or ''
        self.config.values[name] = (default, rebuild)

    def add_event(self, name):
        self.debug('[app] adding event: %r', name)
        if name in self._events:
            raise ExtensionError('Event %r already present' % name)
        self._events[name] = ''

    def add_node(self, node, **kwds):
        self.debug('[app] adding node: %r', (node, kwds))
        nodes._add_node_class_names([node.__name__])
        for key, val in kwds.iteritems():
            try:
                visit, depart = val
            except ValueError:
                raise ExtensionError('Value for key %r must be a '
                                     '(visit, depart) function tuple' % key)
            if key == 'html':
                from sphinx.writers.html import HTMLTranslator as translator
            elif key == 'latex':
                from sphinx.writers.latex import LaTeXTranslator as translator
            elif key == 'text':
                from sphinx.writers.text import TextTranslator as translator
            elif key == 'man':
                from sphinx.writers.manpage import ManualPageTranslator \
                    as translator
            elif key == 'texinfo':
                from sphinx.writers.texinfo import TexinfoTranslator \
                    as translator
            else:
                # ignore invalid keys for compatibility
                continue
            setattr(translator, 'visit_'+node.__name__, visit)
            if depart:
                setattr(translator, 'depart_'+node.__name__, depart)

    def _directive_helper(self, obj, content=None, arguments=None, **options):
        if isinstance(obj, (types.FunctionType, types.MethodType)):
            obj.content = content
            obj.arguments = arguments or (0, 0, False)
            obj.options = options
            return convert_directive_function(obj)
        else:
            if content or arguments or options:
                raise ExtensionError('when adding directive classes, no '
                                     'additional arguments may be given')
            return obj

    def add_directive(self, name, obj, content=None, arguments=None, **options):
        self.debug('[app] adding directive: %r',
                   (name, obj, content, arguments, options))
        directives.register_directive(
            name, self._directive_helper(obj, content, arguments, **options))

    def add_role(self, name, role):
        self.debug('[app] adding role: %r', (name, role))
        roles.register_local_role(name, role)

    def add_generic_role(self, name, nodeclass):
        # don't use roles.register_generic_role because it uses
        # register_canonical_role
        self.debug('[app] adding generic role: %r', (name, nodeclass))
        role = roles.GenericRole(name, nodeclass)
        roles.register_local_role(name, role)

    def add_domain(self, domain):
        self.debug('[app] adding domain: %r', domain)
        if domain.name in self.domains:
            raise ExtensionError('domain %s already registered' % domain.name)
        self.domains[domain.name] = domain

    def override_domain(self, domain):
        self.debug('[app] overriding domain: %r', domain)
        if domain.name not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain.name)
        if not issubclass(domain, self.domains[domain.name]):
            raise ExtensionError('new domain not a subclass of registered %s '
                                 'domain' % domain.name)
        self.domains[domain.name] = domain

    def add_directive_to_domain(self, domain, name, obj,
                                content=None, arguments=None, **options):
        self.debug('[app] adding directive to domain: %r',
                   (domain, name, obj, content, arguments, options))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].directives[name] = \
            self._directive_helper(obj, content, arguments, **options)

    def add_role_to_domain(self, domain, name, role):
        self.debug('[app] adding role to domain: %r', (domain, name, role))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].roles[name] = role

    def add_index_to_domain(self, domain, index):
        self.debug('[app] adding index to domain: %r', (domain, index))
        if domain not in self.domains:
            raise ExtensionError('domain %s not yet registered' % domain)
        self.domains[domain].indices.append(index)

    def add_object_type(self, directivename, rolename, indextemplate='',
                        parse_node=None, ref_nodeclass=None, objname='',
                        doc_field_types=[]):
        self.debug('[app] adding object type: %r',
                   (directivename, rolename, indextemplate, parse_node,
                    ref_nodeclass, objname, doc_field_types))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of GenericObject as the new directive
        new_directive = type(directivename, (GenericObject, object),
                             {'indextemplate': indextemplate,
                              'parse_node': staticmethod(parse_node),
                              'doc_field_types': doc_field_types})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    # backwards compatible alias
    add_description_unit = add_object_type

    def add_crossref_type(self, directivename, rolename, indextemplate='',
                          ref_nodeclass=None, objname=''):
        self.debug('[app] adding crossref type: %r',
                   (directivename, rolename, indextemplate, ref_nodeclass,
                    objname))
        StandardDomain.object_types[directivename] = \
            ObjType(objname or directivename, rolename)
        # create a subclass of Target as the new directive
        new_directive = type(directivename, (Target, object),
                             {'indextemplate': indextemplate})
        StandardDomain.directives[directivename] = new_directive
        # XXX support more options?
        StandardDomain.roles[rolename] = XRefRole(innernodeclass=ref_nodeclass)

    def add_transform(self, transform):
        self.debug('[app] adding transform: %r', transform)
        SphinxStandaloneReader.transforms.append(transform)

    def add_javascript(self, filename):
        self.debug('[app] adding javascript: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.script_files.append(filename)
        else:
            StandaloneHTMLBuilder.script_files.append(
                posixpath.join('_static', filename))

    def add_stylesheet(self, filename):
        self.debug('[app] adding stylesheet: %r', filename)
        from sphinx.builders.html import StandaloneHTMLBuilder
        if '://' in filename:
            StandaloneHTMLBuilder.css_files.append(filename)
        else:
            StandaloneHTMLBuilder.css_files.append(
                posixpath.join('_static', filename))

    def add_lexer(self, alias, lexer):
        self.debug('[app] adding lexer: %r', (alias, lexer))
        from sphinx.highlighting import lexers
        if lexers is None:
            return
        lexers[alias] = lexer

    def add_autodocumenter(self, cls):
        self.debug('[app] adding autodocumenter: %r', cls)
        from sphinx.ext import autodoc
        autodoc.add_documenter(cls)
        self.add_directive('auto' + cls.objtype, autodoc.AutoDirective)

    def add_autodoc_attrgetter(self, type, getter):
        self.debug('[app] adding autodoc attrgetter: %r', (type, getter))
        from sphinx.ext import autodoc
        autodoc.AutoDirective._special_attrgetters[type] = getter

    def add_search_language(self, cls):
        self.debug('[app] adding search language: %r', cls)
        from sphinx.search import languages, SearchLanguage
        assert isinstance(cls, SearchLanguage)
        languages[cls.lang] = cls
Beispiel #31
0
def missing_reference(
    app: Sphinx, env: BuildEnvironment, node: Element, contnode: TextElement
) -> Optional[nodes.reference]:
    """Linking to Qt documentation."""
    target: str = node["reftarget"]
    inventories = InventoryAdapter(env)
    objtypes: Optional[List[str]] = None
    if node["reftype"] == "any":
        # we search anything!
        objtypes = [
            "%s:%s" % (domain.name, objtype)
            for domain in env.domains.values()
            for objtype in domain.object_types
        ]
        domain = None
    else:
        domain = node.get("refdomain")
        if not domain:
            # only objects in domains are in the inventory
            return None
        objtypes = env.get_domain(domain).objtypes_for_role(node["reftype"])
        if not objtypes:
            return None
        objtypes = ["%s:%s" % (domain, objtype) for objtype in objtypes]
    if target.startswith("PySide2"):
        head, tail = target.split(".", 1)
        target = "PyQt5." + tail
    if signal_pattern.match(target):
        uri = signal_slot_uri[app.config.qt_documentation]
        dispname = signal_name[app.config.qt_documentation]
        version = QT_VERSION
    elif slot_pattern.match(target):
        uri = signal_slot_uri[app.config.qt_documentation]
        dispname = slot_name[app.config.qt_documentation]
        version = QT_VERSION
    else:
        target_list = [target, "PyQt5." + target]
        target_list += [
            name + "." + target
            for name in inventories.named_inventory["PyQt5"]["sip:module"].keys()
        ]
        if node.get("reftype") in type_translate_dict:
            type_names = type_translate_dict[node.get("reftype")]
        else:
            type_names = [node.get("reftype")]
        for name in type_names:
            obj_type_name = "sip:{}".format(name)
            if obj_type_name not in inventories.named_inventory["PyQt5"]:
                return None
            for target_name in target_list:
                if target_name in inventories.main_inventory[obj_type_name]:
                    proj, version, uri, dispname = inventories.named_inventory["PyQt5"][
                        obj_type_name
                    ][target_name]
                    uri = uri.replace("##", "#")
                    #  print(node)  # print nodes with unresolved references
                    break
            else:
                continue
            break
        else:
            return None
        if app.config.qt_documentation == "Qt5":
            html_name = uri.split("/")[-1]
            uri = "https://doc.qt.io/qt-5/" + html_name
            if name == 'enum':
                uri += "-enum"
        elif app.config.qt_documentation == "PySide2":
            if node.get("reftype") == "meth":
                split_tup = target_name.split(".")[1:]
                ref_name = ".".join(["PySide2", split_tup[0], "PySide2"] + split_tup)
                html_name = "/".join(split_tup[:-1]) + ".html#" + ref_name
            else:
                html_name = "/".join(target_name.split(".")[1:]) + ".html"
            uri = "https://doc.qt.io/qtforpython/PySide2/" + html_name

    # remove this line if you would like straight to pyqt documentation
    if version:
        reftitle = _("(in %s v%s)") % (app.config.qt_documentation, version)
    else:
        reftitle = _("(in %s)") % (app.config.qt_documentation,)
    newnode = nodes.reference("", "", internal=False, refuri=uri, reftitle=reftitle)
    if node.get("refexplicit"):
        # use whatever title was given
        newnode.append(contnode)
    else:
        # else use the given display name (used for :ref:)
        newnode.append(contnode.__class__(dispname, dispname))
    return newnode