Пример #1
0
    def __init__(self, *args, **kwargs):
        self.name = kwargs.pop('name')

        isolated = kwargs.pop("isolated", False)
        self.config = Configuration(isolated)

        assert self.name
        super().__init__(*args, **kwargs)
Пример #2
0
    def __init__(self, *args, **kwargs):
        self.name = kwargs.pop('name')

        isolated = kwargs.pop("isolated", False)
        self.config = Configuration(isolated)

        assert self.name
        optparse.OptionParser.__init__(self, *args, **kwargs)
Пример #3
0
    def __init__(
        self,
        *args: Any,
        name: str,
        isolated: bool = False,
        **kwargs: Any,
    ) -> None:
        self.name = name
        self.config = Configuration(isolated)

        assert self.name
        super().__init__(*args, **kwargs)
Пример #4
0
    def __init__(
            self,
            *args,  # type: Any
            name,  # type: str
            isolated=False,  # type: bool
            **kwargs,  # type: Any
    ):
        # type: (...) -> None
        self.name = name
        self.config = Configuration(isolated)

        assert self.name
        super().__init__(*args, **kwargs)
Пример #5
0
    def __init__(self, *args, **kwargs):
        self.name = kwargs.pop('name')

        isolated = kwargs.pop("isolated", False)
        self.config = Configuration(isolated)

        assert self.name
        optparse.OptionParser.__init__(self, *args, **kwargs)
    def run(self, options, args):
        # type: (Values, List[str]) -> int
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name,
            "debug": self.list_config_values,
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error(
                "Need an action (%s) to perform.",
                ", ".join(sorted(handlers)),
            )
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options, need_value=(action in ["get", "set", "unset", "edit"])
            )
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(
            isolated=options.isolated_mode, load_only=load_only
        )
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS
Пример #7
0
def _fix_config(config_settings, obf_options):
    from pip._internal.configuration import Configuration, ConfigurationError
    config = Configuration(False)
    config.load()
    for k, v in reversed(config.items()):
        if k in ('pyarmor.advanced', ':env:.pyarmor-advanced'):
            if v not in ('2', '3', '4', '5'):
                raise ConfigurationError('Invalid pyarmor.advanced')
            obf_options.extend(['--advanced', v])
            break

    config_settings = config_settings or {}
    global_options = config_settings.get('--global-option', [])

    from distutils.util import get_platform
    plat_name = get_platform().replace('-', '_').replace('.', '_')
    global_options.append('--plat-name=%s' % plat_name)

    global_options.append('--python-tag=cp%s%s' % sys.version_info[:2])
    # global_options.append('--py-limited-api=cp%s%s' % sys.version_info[:2])

    config_settings['--global-option'] = global_options
    return config_settings
Пример #8
0
def ca_bundle_info(config: Configuration) -> str:
    levels = set()
    for key, _ in config.items():
        levels.add(key.split('.')[0])

    if not levels:
        return "Not specified"

    levels_that_override_global = ['install', 'wheel', 'download']
    global_overriding_level = [
        level for level in levels if level in levels_that_override_global
    ]
    if not global_overriding_level:
        return 'global'

    if 'global' in levels:
        levels.remove('global')
    return ", ".join(levels)
Пример #9
0
def ca_bundle_info(config: Configuration) -> str:
    levels = set()
    for key, _ in config.items():
        levels.add(key.split(".")[0])

    if not levels:
        return "Not specified"

    levels_that_override_global = ["install", "wheel", "download"]
    global_overriding_level = [
        level for level in levels if level in levels_that_override_global
    ]
    if not global_overriding_level:
        return "global"

    if "global" in levels:
        levels.remove("global")
    return ", ".join(levels)
Пример #10
0
    def run(self, options, args):
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error("Need an action ({}) to perform.".format(
                ", ".join(sorted(handlers)))
            )
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options, need_value=(action in ["get", "set", "unset", "edit"])
            )
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(
            isolated=options.isolated_mode, load_only=load_only
        )
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS
Пример #11
0
class ConfigOptionParser(CustomOptionParser):
    """Custom option parser which updates its defaults by checking the
    configuration files and environmental variables"""
    def __init__(self, *args, **kwargs):
        self.name = kwargs.pop("name")

        isolated = kwargs.pop("isolated", False)
        self.config = Configuration(isolated)

        assert self.name
        optparse.OptionParser.__init__(self, *args, **kwargs)

    def check_default(self, option, key, val):
        try:
            return option.check_value(key, val)
        except optparse.OptionValueError as exc:
            print("An error occurred during configuration: %s" % exc)
            sys.exit(3)

    def _get_ordered_configuration_items(self):
        # Configuration gives keys in an unordered manner. Order them.
        override_order = ["global", self.name, ":env:"]

        # Pool the options into different groups
        section_items = {name: [] for name in override_order}
        for section_key, val in self.config.items():
            # ignore empty values
            if not val:
                logger.debug(
                    "Ignoring configuration key '%s' as it's value is empty.",
                    section_key,
                )
                continue

            section, key = section_key.split(".", 1)
            if section in override_order:
                section_items[section].append((key, val))

        # Yield each group in their override order
        for section in override_order:
            for key, val in section_items[section]:
                yield key, val

    def _update_defaults(self, defaults):
        """Updates the given defaults with values from the config files and
        the environ. Does a little special handling for certain types of
        options (lists)."""

        # Accumulate complex default state.
        self.values = optparse.Values(self.defaults)
        late_eval = set()
        # Then set the options with those values
        for key, val in self._get_ordered_configuration_items():
            # '--' because configuration supports only long names
            option = self.get_option("--" + key)

            # Ignore options not present in this parser. E.g. non-globals put
            # in [global] by users that want them to apply to all applicable
            # commands.
            if option is None:
                continue

            if option.action in ("store_true", "store_false", "count"):
                try:
                    val = strtobool(val)
                except ValueError:
                    error_msg = invalid_config_error_message(
                        option.action, key, val)
                    self.error(error_msg)

            elif option.action == "append":
                val = val.split()
                val = [self.check_default(option, key, v) for v in val]
            elif option.action == "callback":
                late_eval.add(option.dest)
                opt_str = option.get_opt_string()
                val = option.convert_value(opt_str, val)
                # From take_action
                args = option.callback_args or ()
                kwargs = option.callback_kwargs or {}
                option.callback(option, opt_str, val, self, *args, **kwargs)
            else:
                val = self.check_default(option, key, val)

            defaults[option.dest] = val

        for key in late_eval:
            defaults[key] = getattr(self.values, key)
        self.values = None
        return defaults

    def get_default_values(self):
        """Overriding to make updating the defaults after instantiation of
        the option parser possible, _update_defaults() does the dirty work."""
        if not self.process_default_values:
            # Old, pre-Optik 1.5 behaviour.
            return optparse.Values(self.defaults)

        # Load the configuration, or error out in case of an error
        try:
            self.config.load()
        except ConfigurationError as err:
            self.exit(UNKNOWN_ERROR, str(err))

        defaults = self._update_defaults(self.defaults.copy())  # ours
        for option in self._get_all_options():
            default = defaults.get(option.dest)
            if isinstance(default, string_types):
                opt_str = option.get_opt_string()
                defaults[option.dest] = option.check_value(opt_str, default)
        return optparse.Values(defaults)

    def error(self, msg):
        self.print_usage(sys.stderr)
        self.exit(UNKNOWN_ERROR, "%s\n" % msg)
Пример #12
0
class ConfigurationCommand(Command):
    """
    Manage local and global configuration.

    Subcommands:

    - list: List the active configuration (or from the file specified)
    - edit: Edit the configuration file in an editor
    - get: Get the value associated with command.option
    - set: Set the command.option=value
    - unset: Unset the value associated with command.option
    - debug: List the configuration files and values defined under them

    Configuration keys should be dot separated command and option name,
    with the special prefix "global" affecting any command. For example,
    "pip config set global.index-url https://example.org/" would configure
    the index url for all commands, but "pip config set download.timeout 10"
    would configure a 10 second timeout only for "pip download" commands.

    If none of --user, --global and --site are passed, a virtual
    environment configuration file is used if one is active and the file
    exists. Otherwise, all modifications happen to the user file by
    default.
    """

    ignore_require_venv = True
    usage = """
        %prog [<file-option>] list
        %prog [<file-option>] [--editor <editor-path>] edit

        %prog [<file-option>] get command.option
        %prog [<file-option>] set command.option value
        %prog [<file-option>] unset command.option
        %prog [<file-option>] debug
    """

    def add_options(self) -> None:
        self.cmd_opts.add_option(
            "--editor",
            dest="editor",
            action="store",
            default=None,
            help=("Editor to use to edit the file. Uses VISUAL or EDITOR "
                  "environment variables if not provided."),
        )

        self.cmd_opts.add_option(
            "--global",
            dest="global_file",
            action="store_true",
            default=False,
            help="Use the system-wide configuration file only",
        )

        self.cmd_opts.add_option(
            "--user",
            dest="user_file",
            action="store_true",
            default=False,
            help="Use the user configuration file only",
        )

        self.cmd_opts.add_option(
            "--site",
            dest="site_file",
            action="store_true",
            default=False,
            help="Use the current environment configuration file only",
        )

        self.parser.insert_option_group(0, self.cmd_opts)

    def run(self, options: Values, args: List[str]) -> int:
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name,
            "debug": self.list_config_values,
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error(
                "Need an action (%s) to perform.",
                ", ".join(sorted(handlers)),
            )
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options,
                need_value=(action in ["get", "set", "unset", "edit"]))
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(isolated=options.isolated_mode,
                                           load_only=load_only)
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS

    def _determine_file(self, options: Values,
                        need_value: bool) -> Optional[Kind]:
        file_options = [
            key for key, value in (
                (kinds.USER, options.user_file),
                (kinds.GLOBAL, options.global_file),
                (kinds.SITE, options.site_file),
            ) if value
        ]

        if not file_options:
            if not need_value:
                return None
            # Default to user, unless there's a site file.
            elif any(
                    os.path.exists(site_config_file) for site_config_file in
                    get_configuration_files()[kinds.SITE]):
                return kinds.SITE
            else:
                return kinds.USER
        elif len(file_options) == 1:
            return file_options[0]

        raise PipError("Need exactly one file to operate upon "
                       "(--user, --site, --global) to perform.")

    def list_values(self, options: Values, args: List[str]) -> None:
        self._get_n_args(args, "list", n=0)

        for key, value in sorted(self.configuration.items()):
            write_output("%s=%r", key, value)

    def get_name(self, options: Values, args: List[str]) -> None:
        key = self._get_n_args(args, "get [name]", n=1)
        value = self.configuration.get_value(key)

        write_output("%s", value)

    def set_name_value(self, options: Values, args: List[str]) -> None:
        key, value = self._get_n_args(args, "set [name] [value]", n=2)
        self.configuration.set_value(key, value)

        self._save_configuration()

    def unset_name(self, options: Values, args: List[str]) -> None:
        key = self._get_n_args(args, "unset [name]", n=1)
        self.configuration.unset_value(key)

        self._save_configuration()

    def list_config_values(self, options: Values, args: List[str]) -> None:
        """List config key-value pairs across different config files"""
        self._get_n_args(args, "debug", n=0)

        self.print_env_var_values()
        # Iterate over config files and print if they exist, and the
        # key-value pairs present in them if they do
        for variant, files in sorted(self.configuration.iter_config_files()):
            write_output("%s:", variant)
            for fname in files:
                with indent_log():
                    file_exists = os.path.exists(fname)
                    write_output("%s, exists: %r", fname, file_exists)
                    if file_exists:
                        self.print_config_file_values(variant)

    def print_config_file_values(self, variant: Kind) -> None:
        """Get key-value pairs from the file of a variant"""
        for name, value in self.configuration.get_values_in_config(
                variant).items():
            with indent_log():
                write_output("%s: %s", name, value)

    def print_env_var_values(self) -> None:
        """Get key-values pairs present as environment variables"""
        write_output("%s:", "env_var")
        with indent_log():
            for key, value in sorted(self.configuration.get_environ_vars()):
                env_var = f"PIP_{key.upper()}"
                write_output("%s=%r", env_var, value)

    def open_in_editor(self, options: Values, args: List[str]) -> None:
        editor = self._determine_editor(options)

        fname = self.configuration.get_file_to_edit()
        if fname is None:
            raise PipError("Could not determine appropriate file.")
        elif '"' in fname:
            # This shouldn't happen, unless we see a username like that.
            # If that happens, we'd appreciate a pull request fixing this.
            raise PipError(
                f'Can not open an editor for a file name containing "\n{fname}'
            )

        try:
            subprocess.check_call(f'{editor} "{fname}"', shell=True)
        except FileNotFoundError as e:
            if not e.filename:
                e.filename = editor
            raise
        except subprocess.CalledProcessError as e:
            raise PipError("Editor Subprocess exited with exit code {}".format(
                e.returncode))

    def _get_n_args(self, args: List[str], example: str, n: int) -> Any:
        """Helper to make sure the command got the right number of arguments"""
        if len(args) != n:
            msg = ("Got unexpected number of arguments, expected {}. "
                   '(example: "{} config {}")').format(n, get_prog(), example)
            raise PipError(msg)

        if n == 1:
            return args[0]
        else:
            return args

    def _save_configuration(self) -> None:
        # We successfully ran a modifying command. Need to save the
        # configuration.
        try:
            self.configuration.save()
        except Exception:
            logger.exception(
                "Unable to save configuration. Please report this as a bug.")
            raise PipError("Internal Error.")

    def _determine_editor(self, options: Values) -> str:
        if options.editor is not None:
            return options.editor
        elif "VISUAL" in os.environ:
            return os.environ["VISUAL"]
        elif "EDITOR" in os.environ:
            return os.environ["EDITOR"]
        else:
            raise PipError("Could not determine editor to use.")
Пример #13
0
class ConfigurationCommand(Command):
    """Manage local and global configuration.

        Subcommands:

        list: List the active configuration (or from the file specified)
        edit: Edit the configuration file in an editor
        get: Get the value associated with name
        set: Set the name=value
        unset: Unset the value associated with name

        If none of --user, --global and --venv are passed, a virtual
        environment configuration file is used if one is active and the file
        exists. Otherwise, all modifications happen on the to the user file by
        default.
    """

    name = 'config'
    usage = """
        %prog [<file-option>] list
        %prog [<file-option>] [--editor <editor-path>] edit

        %prog [<file-option>] get name
        %prog [<file-option>] set name value
        %prog [<file-option>] unset name
    """

    summary = "Manage local and global configuration."

    def __init__(self, *args, **kwargs):
        super(ConfigurationCommand, self).__init__(*args, **kwargs)

        self.configuration = None

        self.cmd_opts.add_option(
            '--editor',
            dest='editor',
            action='store',
            default=None,
            help=(
                'Editor to use to edit the file. Uses VISUAL or EDITOR '
                'environment variables if not provided.'
            )
        )

        self.cmd_opts.add_option(
            '--global',
            dest='global_file',
            action='store_true',
            default=False,
            help='Use the system-wide configuration file only'
        )

        self.cmd_opts.add_option(
            '--user',
            dest='user_file',
            action='store_true',
            default=False,
            help='Use the user configuration file only'
        )

        self.cmd_opts.add_option(
            '--venv',
            dest='venv_file',
            action='store_true',
            default=False,
            help='Use the virtualenv configuration file only'
        )

        self.parser.insert_option_group(0, self.cmd_opts)

    def run(self, options, args):
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error("Need an action ({}) to perform.".format(
                ", ".join(sorted(handlers)))
            )
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options, need_value=(action in ["get", "set", "unset", "edit"])
            )
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(
            isolated=options.isolated_mode, load_only=load_only
        )
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS

    def _determine_file(self, options, need_value):
        file_options = {
            kinds.USER: options.user_file,
            kinds.GLOBAL: options.global_file,
            kinds.VENV: options.venv_file
        }

        if sum(file_options.values()) == 0:
            if not need_value:
                return None
            # Default to user, unless there's a virtualenv file.
            elif os.path.exists(venv_config_file):
                return kinds.VENV
            else:
                return kinds.USER
        elif sum(file_options.values()) == 1:
            # There's probably a better expression for this.
            return [key for key in file_options if file_options[key]][0]

        raise PipError(
            "Need exactly one file to operate upon "
            "(--user, --venv, --global) to perform."
        )

    def list_values(self, options, args):
        self._get_n_args(args, "list", n=0)

        for key, value in sorted(self.configuration.items()):
            logger.info("%s=%r", key, value)

    def get_name(self, options, args):
        key = self._get_n_args(args, "get [name]", n=1)
        value = self.configuration.get_value(key)

        logger.info("%s", value)

    def set_name_value(self, options, args):
        key, value = self._get_n_args(args, "set [name] [value]", n=2)
        self.configuration.set_value(key, value)

        self._save_configuration()

    def unset_name(self, options, args):
        key = self._get_n_args(args, "unset [name]", n=1)
        self.configuration.unset_value(key)

        self._save_configuration()

    def open_in_editor(self, options, args):
        editor = self._determine_editor(options)

        fname = self.configuration.get_file_to_edit()
        if fname is None:
            raise PipError("Could not determine appropriate file.")

        try:
            subprocess.check_call([editor, fname])
        except subprocess.CalledProcessError as e:
            raise PipError(
                "Editor Subprocess exited with exit code {}"
                .format(e.returncode)
            )

    def _get_n_args(self, args, example, n):
        """Helper to make sure the command got the right number of arguments
        """
        if len(args) != n:
            msg = (
                'Got unexpected number of arguments, expected {}. '
                '(example: "{} config {}")'
            ).format(n, get_prog(), example)
            raise PipError(msg)

        if n == 1:
            return args[0]
        else:
            return args

    def _save_configuration(self):
        # We successfully ran a modifying command. Need to save the
        # configuration.
        try:
            self.configuration.save()
        except Exception:
            logger.error(
                "Unable to save configuration. Please report this as a bug.",
                exc_info=1
            )
            raise PipError("Internal Error.")

    def _determine_editor(self, options):
        if options.editor is not None:
            return options.editor
        elif "VISUAL" in os.environ:
            return os.environ["VISUAL"]
        elif "EDITOR" in os.environ:
            return os.environ["EDITOR"]
        else:
            raise PipError("Could not determine editor to use.")
Пример #14
0
class ConfigOptionParser(CustomOptionParser):
    """Custom option parser which updates its defaults by checking the
    configuration files and environmental variables"""
    def __init__(
        self,
        *args: Any,
        name: str,
        isolated: bool = False,
        **kwargs: Any,
    ) -> None:
        self.name = name
        self.config = Configuration(isolated)

        assert self.name
        super().__init__(*args, **kwargs)

    def check_default(self, option: optparse.Option, key: str,
                      val: Any) -> Any:
        try:
            return option.check_value(key, val)
        except optparse.OptionValueError as exc:
            print(f"An error occurred during configuration: {exc}")
            sys.exit(3)

    def _get_ordered_configuration_items(self) -> Iterator[Tuple[str, Any]]:
        # Configuration gives keys in an unordered manner. Order them.
        override_order = ["global", self.name, ":env:"]

        # Pool the options into different groups
        section_items: Dict[str, List[Tuple[str, Any]]] = {
            name: []
            for name in override_order
        }
        for section_key, val in self.config.items():
            # ignore empty values
            if not val:
                logger.debug(
                    "Ignoring configuration key '%s' as it's value is empty.",
                    section_key,
                )
                continue

            section, key = section_key.split(".", 1)
            if section in override_order:
                section_items[section].append((key, val))

        # Yield each group in their override order
        for section in override_order:
            for key, val in section_items[section]:
                yield key, val

    def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]:
        """Updates the given defaults with values from the config files and
        the environ. Does a little special handling for certain types of
        options (lists)."""

        # Accumulate complex default state.
        self.values = optparse.Values(self.defaults)
        late_eval = set()
        # Then set the options with those values
        for key, val in self._get_ordered_configuration_items():
            # '--' because configuration supports only long names
            option = self.get_option("--" + key)

            # Ignore options not present in this parser. E.g. non-globals put
            # in [global] by users that want them to apply to all applicable
            # commands.
            if option is None:
                continue

            assert option.dest is not None

            if option.action in ("store_true", "store_false"):
                try:
                    val = strtobool(val)
                except ValueError:
                    self.error(
                        "{} is not a valid value for {} option, "  # noqa
                        "please specify a boolean value like yes/no, "
                        "true/false or 1/0 instead.".format(val, key))
            elif option.action == "count":
                with suppress(ValueError):
                    val = strtobool(val)
                with suppress(ValueError):
                    val = int(val)
                if not isinstance(val, int) or val < 0:
                    self.error(
                        "{} is not a valid value for {} option, "  # noqa
                        "please instead specify either a non-negative integer "
                        "or a boolean value like yes/no or false/true "
                        "which is equivalent to 1/0.".format(val, key))
            elif option.action == "append":
                val = val.split()
                val = [self.check_default(option, key, v) for v in val]
            elif option.action == "callback":
                assert option.callback is not None
                late_eval.add(option.dest)
                opt_str = option.get_opt_string()
                val = option.convert_value(opt_str, val)
                # From take_action
                args = option.callback_args or ()
                kwargs = option.callback_kwargs or {}
                option.callback(option, opt_str, val, self, *args, **kwargs)
            else:
                val = self.check_default(option, key, val)

            defaults[option.dest] = val

        for key in late_eval:
            defaults[key] = getattr(self.values, key)
        self.values = None
        return defaults

    def get_default_values(self) -> optparse.Values:
        """Overriding to make updating the defaults after instantiation of
        the option parser possible, _update_defaults() does the dirty work."""
        if not self.process_default_values:
            # Old, pre-Optik 1.5 behaviour.
            return optparse.Values(self.defaults)

        # Load the configuration, or error out in case of an error
        try:
            self.config.load()
        except ConfigurationError as err:
            self.exit(UNKNOWN_ERROR, str(err))

        defaults = self._update_defaults(self.defaults.copy())  # ours
        for option in self._get_all_options():
            assert option.dest is not None
            default = defaults.get(option.dest)
            if isinstance(default, str):
                opt_str = option.get_opt_string()
                defaults[option.dest] = option.check_value(opt_str, default)
        return optparse.Values(defaults)

    def error(self, msg: str) -> None:
        self.print_usage(sys.stderr)
        self.exit(UNKNOWN_ERROR, f"{msg}\n")
Пример #15
0
class ConfigurationCommand(Command):
    """
    Manage local and global configuration.

    Subcommands:

    - list: List the active configuration (or from the file specified)
    - edit: Edit the configuration file in an editor
    - get: Get the value associated with name
    - set: Set the name=value
    - unset: Unset the value associated with name
    - debug: List the configuration files and values defined under them

    If none of --user, --global and --site are passed, a virtual
    environment configuration file is used if one is active and the file
    exists. Otherwise, all modifications happen on the to the user file by
    default.
    """

    ignore_require_venv = True
    usage = """
        %prog [<file-option>] list
        %prog [<file-option>] [--editor <editor-path>] edit

        %prog [<file-option>] get name
        %prog [<file-option>] set name value
        %prog [<file-option>] unset name
        %prog [<file-option>] debug
    """

    def add_options(self):
        # type: () -> None
        self.cmd_opts.add_option(
            '--editor',
            dest='editor',
            action='store',
            default=None,
            help=('Editor to use to edit the file. Uses VISUAL or EDITOR '
                  'environment variables if not provided.'))

        self.cmd_opts.add_option(
            '--global',
            dest='global_file',
            action='store_true',
            default=False,
            help='Use the system-wide configuration file only')

        self.cmd_opts.add_option('--user',
                                 dest='user_file',
                                 action='store_true',
                                 default=False,
                                 help='Use the user configuration file only')

        self.cmd_opts.add_option(
            '--site',
            dest='site_file',
            action='store_true',
            default=False,
            help='Use the current environment configuration file only')

        self.parser.insert_option_group(0, self.cmd_opts)

    def run(self, options, args):
        # type: (Values, List[str]) -> int
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name,
            "debug": self.list_config_values,
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error("Need an action ({}) to perform.".format(", ".join(
                sorted(handlers))))
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options,
                need_value=(action in ["get", "set", "unset", "edit"]))
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(isolated=options.isolated_mode,
                                           load_only=load_only)
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS

    def _determine_file(self, options, need_value):
        # type: (Values, bool) -> Optional[Kind]
        file_options = [
            key for key, value in (
                (kinds.USER, options.user_file),
                (kinds.GLOBAL, options.global_file),
                (kinds.SITE, options.site_file),
            ) if value
        ]

        if not file_options:
            if not need_value:
                return None
            # Default to user, unless there's a site file.
            elif any(
                    os.path.exists(site_config_file) for site_config_file in
                    get_configuration_files()[kinds.SITE]):
                return kinds.SITE
            else:
                return kinds.USER
        elif len(file_options) == 1:
            return file_options[0]

        raise PipError("Need exactly one file to operate upon "
                       "(--user, --site, --global) to perform.")

    def list_values(self, options, args):
        # type: (Values, List[str]) -> None
        self._get_n_args(args, "list", n=0)

        for key, value in sorted(self.configuration.items()):
            write_output("%s=%r", key, value)

    def get_name(self, options, args):
        # type: (Values, List[str]) -> None
        key = self._get_n_args(args, "get [name]", n=1)
        value = self.configuration.get_value(key)

        write_output("%s", value)

    def set_name_value(self, options, args):
        # type: (Values, List[str]) -> None
        key, value = self._get_n_args(args, "set [name] [value]", n=2)
        self.configuration.set_value(key, value)

        self._save_configuration()

    def unset_name(self, options, args):
        # type: (Values, List[str]) -> None
        key = self._get_n_args(args, "unset [name]", n=1)
        self.configuration.unset_value(key)

        self._save_configuration()

    def list_config_values(self, options, args):
        # type: (Values, List[str]) -> None
        """List config key-value pairs across different config files"""
        self._get_n_args(args, "debug", n=0)

        self.print_env_var_values()
        # Iterate over config files and print if they exist, and the
        # key-value pairs present in them if they do
        for variant, files in sorted(self.configuration.iter_config_files()):
            write_output("%s:", variant)
            for fname in files:
                with indent_log():
                    file_exists = os.path.exists(fname)
                    write_output("%s, exists: %r", fname, file_exists)
                    if file_exists:
                        self.print_config_file_values(variant)

    def print_config_file_values(self, variant):
        # type: (Kind) -> None
        """Get key-value pairs from the file of a variant"""
        for name, value in self.configuration.\
                get_values_in_config(variant).items():
            with indent_log():
                write_output("%s: %s", name, value)

    def print_env_var_values(self):
        # type: () -> None
        """Get key-values pairs present as environment variables"""
        write_output("%s:", 'env_var')
        with indent_log():
            for key, value in sorted(self.configuration.get_environ_vars()):
                env_var = 'PIP_{}'.format(key.upper())
                write_output("%s=%r", env_var, value)

    def open_in_editor(self, options, args):
        # type: (Values, List[str]) -> None
        editor = self._determine_editor(options)

        fname = self.configuration.get_file_to_edit()
        if fname is None:
            raise PipError("Could not determine appropriate file.")

        try:
            subprocess.check_call([editor, fname])
        except subprocess.CalledProcessError as e:
            raise PipError("Editor Subprocess exited with exit code {}".format(
                e.returncode))

    def _get_n_args(self, args, example, n):
        # type: (List[str], str, int) -> Any
        """Helper to make sure the command got the right number of arguments
        """
        if len(args) != n:
            msg = ('Got unexpected number of arguments, expected {}. '
                   '(example: "{} config {}")').format(n, get_prog(), example)
            raise PipError(msg)

        if n == 1:
            return args[0]
        else:
            return args

    def _save_configuration(self):
        # type: () -> None
        # We successfully ran a modifying command. Need to save the
        # configuration.
        try:
            self.configuration.save()
        except Exception:
            logger.error(
                "Unable to save configuration. Please report this as a bug.",
                exc_info=True)
            raise PipError("Internal Error.")

    def _determine_editor(self, options):
        # type: (Values) -> str
        if options.editor is not None:
            return options.editor
        elif "VISUAL" in os.environ:
            return os.environ["VISUAL"]
        elif "EDITOR" in os.environ:
            return os.environ["EDITOR"]
        else:
            raise PipError("Could not determine editor to use.")
Пример #16
0
class ConfigOptionParser(CustomOptionParser):
    """Custom option parser which updates its defaults by checking the
    configuration files and environmental variables"""

    def __init__(self, *args, **kwargs):
        self.name = kwargs.pop('name')

        isolated = kwargs.pop("isolated", False)
        self.config = Configuration(isolated)

        assert self.name
        optparse.OptionParser.__init__(self, *args, **kwargs)

    def check_default(self, option, key, val):
        try:
            return option.check_value(key, val)
        except optparse.OptionValueError as exc:
            print("An error occurred during configuration: %s" % exc)
            sys.exit(3)

    def _get_ordered_configuration_items(self):
        # Configuration gives keys in an unordered manner. Order them.
        override_order = ["global", self.name, ":env:"]

        # Pool the options into different groups
        section_items = {name: [] for name in override_order}
        for section_key, val in self.config.items():
            # ignore empty values
            if not val:
                logger.debug(
                    "Ignoring configuration key '%s' as it's value is empty.",
                    section_key
                )
                continue

            section, key = section_key.split(".", 1)
            if section in override_order:
                section_items[section].append((key, val))

        # Yield each group in their override order
        for section in override_order:
            for key, val in section_items[section]:
                yield key, val

    def _update_defaults(self, defaults):
        """Updates the given defaults with values from the config files and
        the environ. Does a little special handling for certain types of
        options (lists)."""

        # Accumulate complex default state.
        self.values = optparse.Values(self.defaults)
        late_eval = set()
        # Then set the options with those values
        for key, val in self._get_ordered_configuration_items():
            # '--' because configuration supports only long names
            option = self.get_option('--' + key)

            # Ignore options not present in this parser. E.g. non-globals put
            # in [global] by users that want them to apply to all applicable
            # commands.
            if option is None:
                continue

            if option.action in ('store_true', 'store_false', 'count'):
                val = strtobool(val)
            elif option.action == 'append':
                val = val.split()
                val = [self.check_default(option, key, v) for v in val]
            elif option.action == 'callback':
                late_eval.add(option.dest)
                opt_str = option.get_opt_string()
                val = option.convert_value(opt_str, val)
                # From take_action
                args = option.callback_args or ()
                kwargs = option.callback_kwargs or {}
                option.callback(option, opt_str, val, self, *args, **kwargs)
            else:
                val = self.check_default(option, key, val)

            defaults[option.dest] = val

        for key in late_eval:
            defaults[key] = getattr(self.values, key)
        self.values = None
        return defaults

    def get_default_values(self):
        """Overriding to make updating the defaults after instantiation of
        the option parser possible, _update_defaults() does the dirty work."""
        if not self.process_default_values:
            # Old, pre-Optik 1.5 behaviour.
            return optparse.Values(self.defaults)

        # Load the configuration, or error out in case of an error
        try:
            self.config.load()
        except ConfigurationError as err:
            self.exit(2, err.args[0])

        defaults = self._update_defaults(self.defaults.copy())  # ours
        for option in self._get_all_options():
            default = defaults.get(option.dest)
            if isinstance(default, string_types):
                opt_str = option.get_opt_string()
                defaults[option.dest] = option.check_value(opt_str, default)
        return optparse.Values(defaults)

    def error(self, msg):
        self.print_usage(sys.stderr)
        self.exit(2, "%s\n" % msg)
Пример #17
0
class ConfigurationCommand(Command):
    """Manage local and global configuration.

        Subcommands:

        list: List the active configuration (or from the file specified)
        edit: Edit the configuration file in an editor
        get: Get the value associated with spell_name
        set: Set the spell_name=value
        unset: Unset the value associated with spell_name

        If none of --user, --global and --venv are passed, a virtual
        environment configuration file is used if one is active and the file
        exists. Otherwise, all modifications happen on the to the user file by
        default.
    """

    name = 'gameconsts'
    usage = """
        %prog [<file-option>] list
        %prog [<file-option>] [--editor <editor-path>] edit

        %prog [<file-option>] get spell_name
        %prog [<file-option>] set spell_name value
        %prog [<file-option>] unset spell_name
    """

    summary = "Manage local and global configuration."

    def __init__(self, *args, **kwargs):
        super(ConfigurationCommand, self).__init__(*args, **kwargs)

        self.configuration = None

        self.cmd_opts.add_option(
            '--editor',
            dest='editor',
            action='store',
            default=None,
            help=(
                'Editor to use to edit the file. Uses VISUAL or EDITOR '
                'environment variables if not provided.'
            )
        )

        self.cmd_opts.add_option(
            '--global',
            dest='global_file',
            action='store_true',
            default=False,
            help='Use the system-wide configuration file only'
        )

        self.cmd_opts.add_option(
            '--user',
            dest='user_file',
            action='store_true',
            default=False,
            help='Use the user configuration file only'
        )

        self.cmd_opts.add_option(
            '--venv',
            dest='venv_file',
            action='store_true',
            default=False,
            help='Use the virtualenv configuration file only'
        )

        self.parser.insert_option_group(0, self.cmd_opts)

    def run(self, options, args):
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error("Need an action ({}) to perform.".format(
                ", ".join(sorted(handlers)))
            )
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options, need_value=(action in ["get", "set", "unset", "edit"])
            )
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(
            isolated=options.isolated_mode, load_only=load_only
        )
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS

    def _determine_file(self, options, need_value):
        file_options = {
            kinds.USER: options.user_file,
            kinds.GLOBAL: options.global_file,
            kinds.VENV: options.venv_file
        }

        if sum(file_options.values()) == 0:
            if not need_value:
                return None
            # Default to user, unless there's a virtualenv file.
            elif os.path.exists(venv_config_file):
                return kinds.VENV
            else:
                return kinds.USER
        elif sum(file_options.values()) == 1:
            # There's probably a better expression for this.
            return [key for key in file_options if file_options[key]][0]

        raise PipError(
            "Need exactly one file to operate upon "
            "(--user, --venv, --global) to perform."
        )

    def list_values(self, options, args):
        self._get_n_args(args, "list", n=0)

        for key, value in sorted(self.configuration.items()):
            logger.info("%s=%r", key, value)

    def get_name(self, options, args):
        key = self._get_n_args(args, "get [spell_name]", n=1)
        value = self.configuration.get_value(key)

        logger.info("%s", value)

    def set_name_value(self, options, args):
        key, value = self._get_n_args(args, "set [spell_name] [value]", n=2)
        self.configuration.set_value(key, value)

        self._save_configuration()

    def unset_name(self, options, args):
        key = self._get_n_args(args, "unset [spell_name]", n=1)
        self.configuration.unset_value(key)

        self._save_configuration()

    def open_in_editor(self, options, args):
        editor = self._determine_editor(options)

        fname = self.configuration.get_file_to_edit()
        if fname is None:
            raise PipError("Could not determine appropriate file.")

        try:
            subprocess.check_call([editor, fname])
        except subprocess.CalledProcessError as e:
            raise PipError(
                "Editor Subprocess exited with exit code {}"
                .format(e.returncode)
            )

    def _get_n_args(self, args, example, n):
        """Helper to make sure the command got the right number of arguments
        """
        if len(args) != n:
            msg = (
                'Got unexpected number of arguments, expected {}. '
                '(example: "{} gameconsts {}")'
            ).format(n, get_prog(), example)
            raise PipError(msg)

        if n == 1:
            return args[0]
        else:
            return args

    def _save_configuration(self):
        # We successfully ran a modifying command. Need to save the
        # configuration.
        try:
            self.configuration.save()
        except Exception:
            logger.error(
                "Unable to save configuration. Please report this as a bug.",
                exc_info=1
            )
            raise PipError("Internal Error.")

    def _determine_editor(self, options):
        if options.editor is not None:
            return options.editor
        elif "VISUAL" in os.environ:
            return os.environ["VISUAL"]
        elif "EDITOR" in os.environ:
            return os.environ["EDITOR"]
        else:
            raise PipError("Could not determine editor to use.")
Пример #18
0
class ConfigurationCommand(Command):
    """Manage local and global configuration.

    Subcommands:

    list: List the active configuration (or from the file specified)
    edit: Edit the configuration file in an editor
    get: Get the value associated with name
    set: Set the name=value
    unset: Unset the value associated with name

    If none of --user, --global and --site are passed, a virtual
    environment configuration file is used if one is active and the file
    exists. Otherwise, all modifications happen on the to the user file by
    default.
    """

    name = "config"
    usage = """
        %prog [<file-option>] list
        %prog [<file-option>] [--editor <editor-path>] edit

        %prog [<file-option>] get name
        %prog [<file-option>] set name value
        %prog [<file-option>] unset name
    """

    summary = "Manage local and global configuration."

    def __init__(self, *args, **kwargs):
        super(ConfigurationCommand, self).__init__(*args, **kwargs)

        self.configuration = None

        self.cmd_opts.add_option(
            "--editor",
            dest="editor",
            action="store",
            default=None,
            help=("Editor to use to edit the file. Uses VISUAL or EDITOR "
                  "environment variables if not provided."),
        )

        self.cmd_opts.add_option(
            "--global",
            dest="global_file",
            action="store_true",
            default=False,
            help="Use the system-wide configuration file only",
        )

        self.cmd_opts.add_option(
            "--user",
            dest="user_file",
            action="store_true",
            default=False,
            help="Use the user configuration file only",
        )

        self.cmd_opts.add_option(
            "--site",
            dest="site_file",
            action="store_true",
            default=False,
            help="Use the current environment configuration file only",
        )

        self.cmd_opts.add_option(
            "--venv",
            dest="venv_file",
            action="store_true",
            default=False,
            help=("[Deprecated] Use the current environment configuration "
                  "file in a virtual environment only"),
        )

        self.parser.insert_option_group(0, self.cmd_opts)

    def run(self, options, args):
        handlers = {
            "list": self.list_values,
            "edit": self.open_in_editor,
            "get": self.get_name,
            "set": self.set_name_value,
            "unset": self.unset_name,
        }

        # Determine action
        if not args or args[0] not in handlers:
            logger.error("Need an action ({}) to perform.".format(", ".join(
                sorted(handlers))))
            return ERROR

        action = args[0]

        # Determine which configuration files are to be loaded
        #    Depends on whether the command is modifying.
        try:
            load_only = self._determine_file(
                options,
                need_value=(action in ["get", "set", "unset", "edit"]))
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        # Load a new configuration
        self.configuration = Configuration(isolated=options.isolated_mode,
                                           load_only=load_only)
        self.configuration.load()

        # Error handling happens here, not in the action-handlers.
        try:
            handlers[action](options, args[1:])
        except PipError as e:
            logger.error(e.args[0])
            return ERROR

        return SUCCESS

    def _determine_file(self, options, need_value):
        # Convert legacy venv_file option to site_file or error
        if options.venv_file and not options.site_file:
            if running_under_virtualenv():
                options.site_file = True
                deprecated(
                    "The --venv option has been deprecated.",
                    replacement="--site",
                    gone_in="19.3",
                )
            else:
                raise PipError(
                    "Legacy --venv option requires a virtual environment. "
                    "Use --site instead.")

        file_options = [
            key for key, value in (
                (kinds.USER, options.user_file),
                (kinds.GLOBAL, options.global_file),
                (kinds.SITE, options.site_file),
            ) if value
        ]

        if not file_options:
            if not need_value:
                return None
            # Default to user, unless there's a site file.
            elif any(
                    os.path.exists(site_config_file) for site_config_file in
                    get_configuration_files()[kinds.SITE]):
                return kinds.SITE
            else:
                return kinds.USER
        elif len(file_options) == 1:
            return file_options[0]

        raise PipError("Need exactly one file to operate upon "
                       "(--user, --site, --global) to perform.")

    def list_values(self, options, args):
        self._get_n_args(args, "list", n=0)

        for key, value in sorted(self.configuration.items()):
            logger.info("%s=%r", key, value)

    def get_name(self, options, args):
        key = self._get_n_args(args, "get [name]", n=1)
        value = self.configuration.get_value(key)

        logger.info("%s", value)

    def set_name_value(self, options, args):
        key, value = self._get_n_args(args, "set [name] [value]", n=2)
        self.configuration.set_value(key, value)

        self._save_configuration()

    def unset_name(self, options, args):
        key = self._get_n_args(args, "unset [name]", n=1)
        self.configuration.unset_value(key)

        self._save_configuration()

    def open_in_editor(self, options, args):
        editor = self._determine_editor(options)

        fname = self.configuration.get_file_to_edit()
        if fname is None:
            raise PipError("Could not determine appropriate file.")

        try:
            subprocess.check_call([editor, fname])
        except subprocess.CalledProcessError as e:
            raise PipError("Editor Subprocess exited with exit code {}".format(
                e.returncode))

    def _get_n_args(self, args, example, n):
        """Helper to make sure the command got the right number of arguments"""
        if len(args) != n:
            msg = ("Got unexpected number of arguments, expected {}. "
                   '(example: "{} config {}")').format(n, get_prog(), example)
            raise PipError(msg)

        if n == 1:
            return args[0]
        else:
            return args

    def _save_configuration(self):
        # We successfully ran a modifying command. Need to save the
        # configuration.
        try:
            self.configuration.save()
        except Exception:
            logger.error(
                "Unable to save configuration. Please report this as a bug.",
                exc_info=1,
            )
            raise PipError("Internal Error.")

    def _determine_editor(self, options):
        if options.editor is not None:
            return options.editor
        elif "VISUAL" in os.environ:
            return os.environ["VISUAL"]
        elif "EDITOR" in os.environ:
            return os.environ["EDITOR"]
        else:
            raise PipError("Could not determine editor to use.")