Example #1
0
    def create_jinja_environment(self):
        """
        Extend the default jinja environment that is created. Also
        the environment returned here should be specific to the current
        website.
        """
        rv = super(Nereid, self).create_jinja_environment()

        # Add the custom extensions specific to nereid
        rv.add_extension('jinja2.ext.i18n')
        rv.add_extension('nereid.templating.FragmentCacheExtension')

        rv.filters.update(**NEREID_TEMPLATE_FILTERS)

        # add the locale sensitive url_for of nereid
        rv.globals.update(url_for=url_for)

        if self.cache:
            # Setup the bytecode cache
            rv.bytecode_cache = MemcachedBytecodeCache(self.cache)
            # Setup for fragmented caching
            rv.fragment_cache = self.cache
            rv.fragment_cache_prefix = self.cache_key_prefix + "-frag-"

        # Install the gettext callables
        from .contrib.locale import TrytonTranslations
        translations = TrytonTranslations(module=None, ttype='nereid_template')
        rv.install_gettext_callables(translations.gettext,
                                     translations.ngettext)
        return rv
Example #2
0
    def __init__(self):
        loaders = {}
        for resource in ctx.get_implementations(IResourceManager, instances=True):
            loaders[resource.resource_name] = FileSystemLoader(resource.templates_path)

        loader = ChoiceLoader([FileSystemLoader(ctx.cfg['templates.path']),
                               PrefixLoader(loaders)])

        cache_obj = None
        if ctx.cfg['templates.use_cache']:
            if ctx.cfg['templates.use_memcached_cache']:
                cache_obj = MemcachedBytecodeCache(
                    client=inyoka_cache,
                    timeout=ctx.cfg['caching.timeout']
                )
            elif ctx.cfg['templates.use_filesystem_cache']:
                cache_obj = FileSystemBytecodeCache(
                    directory=ctx.cfg['caching.filesystem_cache_path'],
                )

        Environment.__init__(self,
            loader=loader,
            extensions=['jinja2.ext.i18n', 'jinja2.ext.do', 'jinja2.ext.with_',
                        'jinja2.ext.autoescape'],
            auto_reload=ctx.cfg['templates.auto_reload'],
            undefined=StrictUndefined,
            cache_size=-1,
            bytecode_cache=cache_obj,
            autoescape=True
        )

        self.globals.update(
            INYOKA_REVISION=INYOKA_REVISION,
            PYTHON_VERSION='%d.%d.%d' % sys.version_info[:3],
            DEBUG=ctx.cfg['debug'],
            href=href,
        )
        self.filters.update(
            jsonencode=json.dumps,
            datetimeformat=l10n.format_datetime,
            dateformat=l10n.format_date,
            timeformat=l10n.format_time,
            timedelta=l10n.timedeltaformat,
            monthformat=l10n.format_month,
            dayformatshort=l10n.format_day_short,
            humanize=l10n.humanize_number,
        )
        self.install_gettext_translations(
            i18n.get_translations(),
            newstyle=True
        )
Example #3
0
 def _setup_bytecode_cache(self):
     cache_type = config.get('jinja_bytecode_cache_type')
     bcc = None
     try:
         if cache_type == 'memcached' and config.get('memcached_host'):
             import pylibmc
             from jinja2 import MemcachedBytecodeCache
             client = pylibmc.Client([config['memcached_host']])
             bcc = MemcachedBytecodeCache(client)
         elif cache_type == 'filesystem':
             from jinja2 import FileSystemBytecodeCache
             bcc = FileSystemBytecodeCache()
     except:
         log.exception("Error encountered while setting up a" +
                       " %s-backed bytecode cache for Jinja" % cache_type)
     return bcc
Example #4
0
def register_jinja(app):
    from gather.filters import (sanitize, get_site_status, content_to_html,
                                xmldatetime, url_for_other_page,
                                url_for_with_token)

    @app.context_processor
    def register_context():
        return dict(site_status=get_site_status, )

    app.jinja_env.filters['sanitize'] = sanitize
    app.jinja_env.filters['content_to_html'] = content_to_html
    app.jinja_env.filters['xmldatetime'] = xmldatetime
    app.jinja_env.globals.update(url_for_other_page=url_for_other_page,
                                 url_for_with_token=url_for_with_token)

    app.jinja_env.bytecode_cache = MemcachedBytecodeCache(cache)
Example #5
0
 def _setup_bytecode_cache(cls):
     cache_type = config.get('jinja_bytecode_cache_type')
     bcc = None
     try:
         if cache_type == 'memcached' and config.get('memcached_host'):
             import pylibmc
             from jinja2 import MemcachedBytecodeCache
             client = pylibmc.Client([config['memcached_host']])
             bcc_prefix = 'jinja2/{}/'.format(jinja2.__version__)
             if six.PY3:
                 bcc_prefix += 'py{}{}/'.format(sys.version_info.major, sys.version_info.minor)
             bcc = MemcachedBytecodeCache(client, prefix=bcc_prefix)
         elif cache_type == 'filesystem':
             from jinja2 import FileSystemBytecodeCache
             bcc = FileSystemBytecodeCache(pattern='__jinja2_{}_%s.cache'.format(jinja2.__version__))
     except Exception:
         log.exception("Error encountered while setting up a" +
                       " %s-backed bytecode cache for Jinja" % cache_type)
     return bcc
def create_invenio_flask_app(**kwargs_config):
    """
    Prepare WSGI Invenio application based on Flask.

    Invenio consists of a new Flask application with legacy support for
    the old WSGI legacy application and the old Python legacy
    scripts (URLs to *.py files).

    An incoming request is processed in the following manner:

     * The Flask application first routes request via its URL routing
       system (see LegacyAppMiddleware.__call__()).

     * One route in the Flask system, will match Python legacy
       scripts (see static_handler_with_legacy_publisher()).

     * If the Flask application aborts the request with a 404 error, the request
       is passed on to the WSGI legacy application (see page_not_found()). E.g.
       either the Flask application did not find a route, or a view aborted the
       request with a 404 error.
    """
    def decorate_build(f):
        @wraps(f)
        def decorator(*args, **kwargs):
            scheme_url = {
                'http': current_app.config['CFG_SITE_URL'],
                'https': current_app.config['CFG_SITE_SECURE_URL']
            }
            force_external = kwargs.get('force_external', True)
            url_scheme = getattr(f.im_self, 'url_scheme', 'http')
            kwargs['force_external'] = False
            url = f(*args, **kwargs)
            if force_external:
                url = scheme_url.get(url_scheme) + url
            return url

        return decorator

    class InvenioFlask(Flask):
        def create_url_adapter(self, request):
            url_adapter = super(InvenioFlask, self).create_url_adapter(request)
            if url_adapter is not None and hasattr(url_adapter, 'build'):
                url_adapter.build = decorate_build(url_adapter.build)
            return url_adapter

    ## The Flask application instance
    _app = InvenioFlask(
        __name__,
        ## Static files are usually handled directly by the webserver (e.g. Apache)
        ## However in case WSGI is required to handle static files too (such
        ## as when running simple server), then this flag can be
        ## turned on (it is done automatically by wsgi_handler_test).
        ## We assume anything under '/' which is static to be server directly
        ## by the webserver from CFG_WEBDIR. In order to generate independent
        ## url for static files use func:`url_for('static', filename='test')`.
        static_url_path='',
        static_folder=CFG_WEBDIR)

    ## Update application config from parameters.
    _app.config.update(kwargs_config)

    if 'SQLALCHEMY_DATABASE_URI' not in _app.config:
        from sqlalchemy.engine.url import URL
        # Global variables
        from invenio.dbquery import CFG_DATABASE_HOST, CFG_DATABASE_PORT,\
            CFG_DATABASE_NAME, CFG_DATABASE_USER, CFG_DATABASE_PASS, \
            CFG_DATABASE_TYPE

        _app.config['SQLALCHEMY_DATABASE_URI'] = URL(
            CFG_DATABASE_TYPE,
            username=CFG_DATABASE_USER,
            password=CFG_DATABASE_PASS,
            host=CFG_DATABASE_HOST,
            database=CFG_DATABASE_NAME,
            port=CFG_DATABASE_PORT,
        )

    ## Let's initialize database.
    from invenio.sqlalchemyutils import db
    db.init_app(_app)

    ## First check that you have all rights to logs
    from invenio.bibtask import check_running_process_user
    check_running_process_user()

    from invenio.pluginutils import PluginContainer
    from invenio.session_flask import InvenioSessionInterface
    from invenio.webuser_flask import InvenioLoginManager, current_user, UserInfo
    from invenio.messages import wash_language, gettext_set_language, \
                                 language_list_long, is_language_rtl
    from invenio.urlutils import create_url, get_canonical_and_alternates_urls
    from invenio.cache import cache
    from invenio.jinja2utils import CollectionExtension, \
                                    LangExtension, hack_jinja2_utf8decoding, \
                                    extend_application_template_filters
    from flask.ext.assets import Environment, Bundle
    from invenio.webinterface_handler_flask_utils import unicodifier, InvenioRequest
    from flaskext.gravatar import Gravatar
    from werkzeug.wrappers import BaseResponse
    from werkzeug.exceptions import HTTPException
    from invenio.flask_sslify import SSLify
    from invenio.webinterface_handler_wsgi import application as legacy_application
    from invenio.webinterface_handler_wsgi import is_mp_legacy_publisher_path, \
                                                  mp_legacy_publisher

    # See note on Jinja2 string decoding using ASCII codec instead of UTF8 in
    # function documentation
    hack_jinja2_utf8decoding()

    # Handle both url with and without trailing slashe by Flask.
    # @blueprint.route('/test')
    # @blueprint.route('/test/') -> not necessary when strict_slashes == False
    _app.url_map.strict_slashes = False

    # SECRET_KEY is needed by Flask Debug Toolbar
    SECRET_KEY = _app.config.get('SECRET_KEY') or CFG_SITE_SECRET_KEY
    if not SECRET_KEY or SECRET_KEY == '':
        fill_secret_key = """
    Set variable CFG_SITE_SECRET_KEY with random string in invenio-local.conf.

    You can use following commands:
    $ %s
    $ %s
        """ % (CFG_BINDIR + os.sep + 'inveniocfg --create-secret-key',
               CFG_BINDIR + os.sep + 'inveniocfg --update-config-py')
        try:
            raise Exception(fill_secret_key)
        except Exception:
            register_exception(alert_admin=True,
                               subject="Missing CFG_SITE_SECRET_KEY")
            raise Exception(fill_secret_key)

    _app.config["SECRET_KEY"] = SECRET_KEY

    # Enable Flask Debug Toolbar early to also catch HTTPS redirects
    if 'debug-toolbar' in getattr(config, 'CFG_DEVEL_TOOLS', []):
        _app.config["DEBUG_TB_ENABLED"] = True
        _app.config[
            "DEBUG_TB_INTERCEPT_REDIRECTS"] = 'intercept-redirects' in getattr(
                config, 'CFG_DEVEL_TOOLS', [])
        from flask_debugtoolbar import DebugToolbarExtension

        class InvenioDebugToolbarExtension(DebugToolbarExtension):
            def _show_toolbar(self):
                user_info = UserInfo(session.get('user_id'))
                # Enable debug toolbar only for super admin.
                if not user_info.is_super_admin:
                    return False
                return super(InvenioDebugToolbarExtension,
                             self)._show_toolbar()

        InvenioDebugToolbarExtension(_app)

    # Set email backend for Flask-Email plugin
    from invenio.mailutils import initialize_email_backend
    initialize_email_backend(_app)

    if CFG_HAS_HTTPS_SUPPORT:
        # Makes request always run over HTTPS.
        _sslify = SSLify(_app)

        if not CFG_FULL_HTTPS:

            @_sslify.criteria_handler
            def criteria():
                """Extends criteria when to stay on HTTP site."""
                _force_https = False
                if request.blueprint in current_app.blueprints:
                    _force_https = current_app.blueprints[request.blueprint].\
                                   _force_https

                view_func = current_app.view_functions.get(request.endpoint)
                if view_func is not None and hasattr(view_func,
                                                     '_force_https'):
                    _force_https = view_func._force_https

                return not (_force_https or session.need_https())

    class LegacyAppMiddleware(object):
        def __init__(self, app):
            self.app = app

        def __call__(self, environ, start_response):
            if remote_debugger:
                remote_debugger.start()

            with self.app.request_context(environ):
                g.start_response = start_response
                try:
                    response = self.app.full_dispatch_request()
                except Exception as e:
                    register_exception(req=request, alert_admin=True)
                    response = self.app.handle_exception(e)

                return response(environ, start_response)

    _app.wsgi_app = LegacyAppMiddleware(_app)

    @_app.errorhandler(404)
    def page_not_found(error):
        try:
            response = legacy_application(request.environ, g.start_response)
            if not isinstance(response, BaseResponse):
                response = current_app.make_response(str(response))
            return response
        except HTTPException:
            return render_template("404.html"), 404

    @_app.errorhandler(401)
    def do_login_first(error=401):
        """Displays login page when user is not authorised."""
        if request.is_xhr:
            return _("Authorization failure"), 401
        flash(_("Authorization failure"), 'error')
        from invenio.webaccount_blueprint import login
        return login(referer=request.url), 401

    @_app.endpoint('static')
    @_app.route(_app.static_url_path + '/<path:filename>',
                methods=['POST', 'PUT'])
    def static_handler_with_legacy_publisher(*args, **kwargs):
        """
        Adds support for legacy publisher.

        NOTE: It changes order of url page lookup. First, the invenio_handler
        will be called and on 404 error the mp_legacy_publisher is called.
        """
        possible_module, possible_handler = is_mp_legacy_publisher_path(
            request.environ['PATH_INFO'])
        if possible_module is not None:
            legacy_publisher = lambda req: \
                mp_legacy_publisher(req, possible_module, possible_handler)
            return legacy_application(request.environ,
                                      g.start_response,
                                      handler=legacy_publisher)

        # Static file serving for devserver
        # ---------------------------------
        # Apache normally serve all static files, but if we are using the
        # devserver we need to serve static files here. Werkzeugs default
        # behaviour is to return a '405 Method not allowed' for POST requests
        # to static files. However, if we abort all POST requests with 405, the
        # legacy_application (see page_not_found()) will not be given a chance
        # to serve static files as it only get's invokved when we abort with a
        # 404. Hence, on POST requests, we first check if the static file exists,
        # and if it does we return we abort the request with a 405.
        if not CFG_FLASK_SERVE_STATIC_FILES:
            abort(404)
        else:
            static_file_response = _app.send_static_file(*args, **kwargs)
            if request.method in ['POST', 'PUT']:
                abort(405)
            else:
                return static_file_response

    if CFG_FLASK_CACHE_TYPE not in [None, 'null']:
        _app.jinja_options = dict(_app.jinja_options,
                                  auto_reload=False,
                                  cache_size=-1,
                                  bytecode_cache=MemcachedBytecodeCache(
                                      cache, prefix="jinja::", timeout=3600))

    ## Let's customize the template loader to first look into
    ## /opt/invenio/etc-local/templates and then into
    ## /opt/invenio/etc/templates
    _app.jinja_loader = FileSystemLoader([
        join(CFG_ETCDIR + '-local', 'templates'),
        join(CFG_ETCDIR, 'templates')
    ])

    ## Let's attach our session handling (which is bridging with the native
    ## Invenio session handling
    _app.session_interface = InvenioSessionInterface()

    ## Set custom request class
    _app.request_class = InvenioRequest

    ## Let's load the whole invenio.config into Flask :-) ...
    _app.config.from_object(config)

    ## ... and map certain common parameters
    _app.config['SESSION_COOKIE_NAME'] = CFG_WEBSESSION_COOKIE_NAME
    _app.config['PERMANENT_SESSION_LIFETIME'] = \
        CFG_WEBSESSION_EXPIRY_LIMIT_REMEMBER * CFG_WEBSESSION_ONE_DAY
    _app.config['USE_X_SENDFILE'] = CFG_BIBDOCFILE_USE_XSENDFILE
    _app.config['DEBUG'] = CFG_DEVEL_SITE > 0
    _app.debug = CFG_DEVEL_SITE > 0
    language_list_long = language_list_long()
    language_labordoc_list = [
        ln for ln in language_list_long if ln[0] in ['en', 'es', 'fr']
    ]
    _app.config['CFG_LANGUAGE_LIST_LONG'] = [
        (lang, longname.decode('utf-8'))
        for (lang, longname) in language_list_long
    ]
    _app.config['CFG_LANGUAGE_LABORDOC_LIST'] = [
        (lang, longname.decode('utf-8'))
        for (lang, longname) in language_labordoc_list
    ]

    ## Invenio is all using str objects. Let's change them to unicode
    _app.config.update(unicodifier(dict(_app.config)))

    ## Cache
    _app.config['CACHE_TYPE'] = CFG_FLASK_CACHE_TYPE
    # FIXME problem in Flask-Cache==0.11.1
    cache.app = _app
    cache.init_app(_app)
    if CFG_FLASK_CACHE_TYPE == 'redis':

        def with_try_except_block(f):
            def decorator(*args, **kwargs):
                try:
                    return f(*args, **kwargs)
                except Exception:
                    register_exception(alert_admin=True)
                    pass

            return decorator

        ## When the redis is down, we would like to keep the site running.
        cache.cache._client.execute_command = with_try_except_block(
            cache.cache._client.execute_command)

    # FIXME problem in Flask-Cache==0.11.1
    cache.app = current_app

    _flask_log_handler = RotatingFileHandler(
        os.path.join(CFG_LOGDIR, 'flask.log'))
    _flask_log_handler.setFormatter(
        Formatter('%(asctime)s %(levelname)s: %(message)s '
                  '[in %(pathname)s:%(lineno)d]'))
    _app.logger.addHandler(_flask_log_handler)

    # Let's create login manager.
    _login_manager = InvenioLoginManager(_app)
    _login_manager.login_view = 'webaccount.login'
    _login_manager.anonymous_user = UserInfo
    _login_manager.unauthorized_handler(do_login_first)

    # Let's create main menu.
    class Menu(object):
        def __init__(self,
                     id='',
                     title='',
                     url='',
                     order=None,
                     children=None,
                     display=lambda: True):
            self.id = id
            self.title = title
            self.url = url
            self.children = children or {}
            self.order = order or 100
            self.display = display

    # Let's create assets environment.
    _assets = Environment(_app)
    _assets.debug = 'assets-debug' in getattr(config, 'CFG_DEVEL_TOOLS', [])
    _assets.directory = config.CFG_WEBDIR

    def _jinja2_new_bundle(tag, collection, name=None):
        if not _assets.debug:
            files = [
                f for f in collection
                if os.path.isfile(os.path.join(_assets.directory, f))
            ]
            if len(files) != len(collection):
                ## Turn on debuging to generate 404 request on missing files.
                _assets.debug = True
                current_app.logger.error(
                    'Missing files: ' + ','.join(set(collection) - set(files)))

        if len(collection):
            return Bundle(output="%s/%s-%s.%s" %
                          (tag, 'invenio' if name is None else name,
                           hash('|'.join(collection)), tag),
                          *collection)

    _app.jinja_env.extend(new_bundle=_jinja2_new_bundle,
                          default_bundle_name='90-invenio')

    _app.jinja_env.add_extension(CollectionExtension)
    _app.jinja_env.add_extension(LangExtension)
    _app.jinja_env.add_extension('jinja2.ext.do')

    # Let's extend application with custom template filters.
    extend_application_template_filters(_app)

    # Let's create Gravatar bridge.
    _gravatar = Gravatar(_app,
                         size=100,
                         rating='g',
                         default='retro',
                         force_default=False,
                         force_lower=False)
    del _gravatar

    # Let's set the user language
    from invenio.webinterface_handler_flask_utils import guess_language
    _app.before_request(guess_language)

    # Let's extend application with more custom templete filters
    from invenio.jinja2utils import inject_utils
    _app.context_processor(inject_utils)

    @_login_manager.user_loader
    def _load_user(uid):
        """
        Function should not raise an exception if uid is not valid
        or User was not found in database.
        """
        return UserInfo(int(uid))

    @_app.before_request
    def reset_template_context_processor():
        g._template_context_processor = []

    @_app.context_processor
    def _inject_template_context():
        context = {}
        if not hasattr(g, '_template_context_processor'):
            reset_template_context_processor()
        for func in g._template_context_processor:
            context.update(func())
        return context

    def _invenio_blueprint_plugin_builder(plugin):
        """
        Handy function to bridge pluginutils with (Invenio) blueprints.
        """
        if plugin.__name__ in CFG_FLASK_DISABLED_BLUEPRINTS or \
           plugin.__name__.split('.')[-1] in CFG_FLASK_DISABLED_BLUEPRINTS:
            _app.logger.info(
                '%s is excluded by CFG_FLASK_DISABLED_BLUEPRINTS' %
                plugin_name)
            return
        from invenio.webinterface_handler_flask_utils import InvenioBlueprint
        if 'blueprint' in dir(plugin):
            candidate = getattr(plugin, 'blueprint')
            if isinstance(candidate, InvenioBlueprint):
                return candidate
        _app.logger.error('%s is not a valid blueprint plugin' % plugin_name)

    ## Let's load all the blueprints that are composing this Invenio instance
    _BLUEPRINTS = [
        m for m in map(
            _invenio_blueprint_plugin_builder,
            autodiscover_modules(['invenio'],
                                 related_name_re='.+_blueprint.py',
                                 ignore_exceptions=True)) if m is not None
    ]

    _app.config['breadcrumbs_map'] = {}
    _app.config['menubuilder_map'] = {}

    ## Let's attach all the blueprints
    from invenio.webinterface_handler_flask_utils import _
    for plugin in _BLUEPRINTS:
        _app.register_blueprint(plugin)
        if plugin.config:
            ## Let's include the configuration parameters of the config file.
            ## E.g. if the blueprint specify the config string
            ## 'invenio.webmessage_config' any uppercase variable defined in
            ## the module invenio.webmessage_config is loaded into the system.
            _app.config.from_object(plugin.config)
        if plugin.breadcrumbs:
            _app.config['breadcrumbs_map'][plugin.name] = plugin.breadcrumbs
        _app.config['breadcrumbs_map'].update(plugin.breadcrumbs_map)

        ## Let's build global menu. Each blueprint can plug its own menu items.
        if plugin.menubuilder:
            _app.config['menubuilder_map'].update(
                (m[0], Menu(*m)) for m in plugin.menubuilder)
        _app.config['menubuilder_map'].update(plugin.menubuilder_map)

    _app.config['menubuilder_map'].update({
        'main.admin':
        Menu('main.admin', _('Administration'), 'help.admin', 9998, [],
             lambda: current_user.is_admin if current_user else False),
        'main.help':
        Menu('main.help', _('Help'), 'help', 9999)
    })

    menu = {
        'main': Menu('main', '', ''),
        'personalize': Menu('personalize', '', '')
    }
    for key, item in _app.config['menubuilder_map'].iteritems():
        start = menu

        if '.' not in key:
            if key in menu:
                menu[key] = item.children.update(menu[key].children)
            else:
                menu[key] = item
            continue

        keys = key.split('.')
        for k in keys[:-1]:
            try:
                start = start[k].children
            except:
                start[k] = Menu()
                start = start[k].children

        if keys[-1] in start:
            item.children.update(start[keys[-1]].children)
        start[keys[-1]] = item

    _app.config['menubuilder_map'] = menu

    # Flask-Admin
    from invenio.adminutils import register_admin
    register_admin(_app)

    try:
        ## When deploying Invenio, one can prepare a module called
        ## webinterface_handler_local.py to be deployed under
        ## CFG_PYLIBDIR/invenio directory, and containing a function called
        ## customize_app which should accept a Flask application.
        ## This function has a chance to modify the application as needed
        ## including changing the URL routing map.
        # pylint: disable=E0611
        from invenio.webinterface_handler_local import customize_app
        # pylint: enable=E0611
        customize_app(_app)
    except ImportError:
        ## No customization needed.
        pass

    return _app
Example #7
0
    'static_path':
    os.path.join(os.path.dirname(__file__), 'style'),
    'upload_path':
    os.path.join(os.path.dirname(__file__), 'upload'),
    'cookie_secret':
    "SZUzonpBQIuXE3yKBtWPre2N5AS7jEQKv0Kioj9iKT0=",
    'login_url':
    '/signin',
    "xsrf_cookies":
    True,
    'ui_modules':
    uimodules,
    'autoescape':
    None
})

memcachedb = memcache.Client([settings['memcache_host']])

bcc = None
if settings['debug'] == False:
    bcc = MemcachedBytecodeCache(memcachedb)

jinja_environment = Environment(loader=FileSystemLoader(
    settings['template_path']),
                                bytecode_cache=bcc,
                                auto_reload=settings['debug'],
                                autoescape=False)

db = Db({'db':settings['db_name'], 'host':settings['db_host'], 'port':settings['db_port'], \
               'user':settings['db_user'], 'passwd':settings['db_passwd'], 'charset':'utf8'})
from django import template
from django.conf import settings as django_settings
from django.core.cache import cache
from django.core.exceptions import ImproperlyConfigured
from django.template import Context, RequestContext
from django.utils.importlib import import_module
from jinja2 import FileSystemLoader, Environment, MemcachedBytecodeCache, Markup, contextfunction

from apps.jinja_adapter.adapter import ExtendsDjangoExtension
from apps.jinja_adapter.csrf import CsrfTokenExtension
from canvas.util import logger
from compressor.contrib.jinja2ext import CompressorExtension
from django.conf import settings

default_mimetype = getattr(django_settings, 'DEFAULT_CONTENT_TYPE')
bytecode_cache = MemcachedBytecodeCache(cache)

################################################
#
# Template directories.
#
template_dirs = getattr(django_settings, 'TEMPLATE_DIRS')

# Look in apps for more template dirs.
# (Ported from django.template.loaders.app_dirctories)
#
# At compile time, cache the directories to search.
fs_encoding = sys.getfilesystemencoding() or sys.getdefaultencoding()
app_template_dirs = []
for app in django_settings.INSTALLED_APPS:
    try:
Example #9
0
# 启动

import memcache
from jinja2 import Environment, FileSystemLoader
from jinja2 import MemcachedBytecodeCache
import setting
from util import setting_from_object
from database import Db

settings = setting_from_object(setting)

memcachedb = memcache.Client([settings['memcache_host']])

jinja_environment = Environment(
    loader=FileSystemLoader(settings['template_path']),
    bytecode_cache=MemcachedBytecodeCache(memcachedb)
    if not settings['debug'] else None,  # 如果不是debug将模板编译的结果存到memcache
    auto_reload=
    True,  # 如果auto_reload 为False但是bytecode_cache使用了的话,当html代码修改时因为模板从memcach中取,所以页面将不能及时更新;
    autoescape=settings['autoescape'])

db = Db({
    'db': settings['db_name'],
    'host': settings['db_host'],
    'port': settings['db_port'],
    'user': settings['db_user'],
    'passwd': settings['db_passwd'],
    'charset': 'utf8',
    'max_connections': settings['max_connections'],
    'stale_timeout': settings['stale_timeout']
})
Example #10
0
from daimaduan.views.pastes import paste_app
from daimaduan.views.tags import tag_app
from daimaduan.views.bookmarks import bookmark_app

app.register_blueprint(site_app)
app.register_blueprint(user_app, url_prefix='/user')
app.register_blueprint(paste_app, url_prefix='/paste')
app.register_blueprint(tag_app, url_prefix='/tag')
app.register_blueprint(bookmark_app, url_prefix='/bookmark')

app.jinja_env.filters['time_passed'] = time_passed
app.jinja_env.filters['time_used'] = time_used
app.jinja_env.filters['ternary'] = ternary
app.jinja_env.filters['datetimeformat'] = datetimeformat
app.jinja_env.filters['markdown'] = md
if app.config['USE_JINJA_CACHE']:
    app.jinja_env.bytecode_cache = MemcachedBytecodeCache(memcache.Client([app.config['MEMCACHED_URL']]))

login_manager.init_app(app)
assets.init_app(app)
cdn.init_app(app)

gravatar = Gravatar(app,
                    size=100,
                    rating='g',
                    default='retro',
                    force_default=False,
                    force_lower=False,
                    use_ssl=True,
                    base_url='https://cn.gravatar.com/')