Python django.conf.global_settings() Examples

def check_duplicate_template_settings(app_configs, **kwargs):
    if settings.TEMPLATES:
        values = [
            'TEMPLATE_DIRS',
            'ALLOWED_INCLUDE_ROOTS',
            'TEMPLATE_CONTEXT_PROCESSORS',
            'TEMPLATE_DEBUG',
            'TEMPLATE_LOADERS',
            'TEMPLATE_STRING_IF_INVALID',
        ]
        duplicates = [
            value for value in values
            if getattr(settings, value) != getattr(global_settings, value)
        ]
        if duplicates:
            return [Warning(
                "The standalone TEMPLATE_* settings were deprecated in Django "
                "1.8 and the TEMPLATES dictionary takes precedence. You must "
                "put the values of the following settings into your default "
                "TEMPLATES dict: %s." % ", ".join(duplicates),
                id='1_8.W001',
            )]
    return [] 

def handle(self, **options):
        # Inspired by Postfix's "postconf -n".
        from django.conf import settings, global_settings

        # Because settings are imported lazily, we need to explicitly load them.
        settings._setup()

        user_settings = module_to_dict(settings._wrapped)
        default_settings = module_to_dict(global_settings)

        output = []
        for key in sorted(user_settings):
            if key not in default_settings:
                output.append("%s = %s  ###" % (key, user_settings[key]))
            elif user_settings[key] != default_settings[key]:
                output.append("%s = %s" % (key, user_settings[key]))
            elif options['all']:
                output.append("### %s = %s" % (key, user_settings[key]))
        return '\n'.join(output) 

def handle_noargs(self, **options):
        # Inspired by Postfix's "postconf -n".
        from django.conf import settings, global_settings

        # Because settings are imported lazily, we need to explicitly load them.
        settings._setup()

        user_settings = module_to_dict(settings._wrapped)
        default_settings = module_to_dict(global_settings)

        output = []
        for key in sorted(user_settings.keys()):
            if key not in default_settings:
                output.append("%s = %s  ###" % (key, user_settings[key]))
            elif user_settings[key] != default_settings[key]:
                output.append("%s = %s" % (key, user_settings[key]))
        return '\n'.join(output) 

def configure(self, default_settings=global_settings, **options):
        """
        Called to manually configure the settings. The 'default_settings'
        parameter sets where to retrieve any unspecified values from (its
        argument must support attribute access (__getattr__)).
        """
        if self._wrapped is not empty:
            raise RuntimeError('Settings already configured.')
        holder = UserSettingsHolder(default_settings)
        for name, value in options.items():
            setattr(holder, name, value)
        self._wrapped = holder 

def configure(**kwargs):
    if settings.configured:
        return

    defaults = _Settings()
    defaults.update(global_settings)
    defaults.update(default_settings)
    settings.configure(default_settings=defaults, **kwargs)
    setup() 

def configure(self, default_settings=global_settings, **options):
        """
        Called to manually configure the settings. The 'default_settings'
        parameter sets where to retrieve any unspecified values from (its
        argument must support attribute access (__getattr__)).
        """
        if self._wrapped is not empty:
            raise RuntimeError('Settings already configured.')
        holder = UserSettingsHolder(default_settings)
        for name, value in options.items():
            setattr(holder, name, value)
        self._wrapped = holder
        self._configure_logging() 

def get_settings():
    """
    Get and parse prefixed django settings from env.

    TODO: Implement support for complex settings
        DATABASES = {}
        CACHES = {}
        INSTALLED_APPS -> EXCLUDE_APPS ?

    :return dict:
    """
    settings = {}
    prefix = environ.get("DJANGO_SETTINGS_PREFIX", "DJANGO_")

    for key, value in environ.items():
        _, _, key = key.partition(prefix)
        if key:
            if key in UNSUPPORTED_ENV_SETTINGS:
                raise ValueError(
                    'Django setting "{}" can not be '
                    "configured through environment.".format(key)
                )

            default_value = getattr(global_settings, key, UNDEFINED)

            if default_value is not UNDEFINED:
                if default_value is None and key in SETTINGS_TYPES.keys():
                    # Handle typed django settings defaulting to None
                    parse = get_parser(SETTINGS_TYPES[key])
                else:
                    # Determine parser by django setting type
                    parse = get_parser(type(default_value))

                value = parse(value)

            settings[key] = value

    return settings 

def __init__(self, settings_module):
        # update this dict from global settings (but only for ALL_CAPS settings)
        for setting in dir(global_settings):
            if setting.isupper():
                setattr(self, setting, getattr(global_settings, setting))

        # store the settings module in case someone later cares
        self.SETTINGS_MODULE = settings_module

        mod = importlib.import_module(self.SETTINGS_MODULE)

        tuple_settings = (
            "ALLOWED_INCLUDE_ROOTS",
            "INSTALLED_APPS",
            "TEMPLATE_DIRS",
            "LOCALE_PATHS",
        )
        self._explicit_settings = set()
        for setting in dir(mod):
            if setting.isupper():
                setting_value = getattr(mod, setting)

                if (setting in tuple_settings and
                        isinstance(setting_value, six.string_types)):
                    raise ImproperlyConfigured("The %s setting must be a tuple. "
                            "Please fix your settings." % setting)
                setattr(self, setting, setting_value)
                self._explicit_settings.add(setting)

        if not self.SECRET_KEY:
            raise ImproperlyConfigured("The SECRET_KEY setting must not be empty.")

        if ('django.contrib.auth.middleware.AuthenticationMiddleware' in self.MIDDLEWARE_CLASSES and
                'django.contrib.auth.middleware.SessionAuthenticationMiddleware' not in self.MIDDLEWARE_CLASSES):
            warnings.warn(
                "Session verification will become mandatory in Django 1.10. "
                "Please add 'django.contrib.auth.middleware.SessionAuthenticationMiddleware' "
                "to your MIDDLEWARE_CLASSES setting when you are ready to opt-in after "
                "reading the upgrade considerations in the 1.8 release notes.",
                RemovedInDjango110Warning
            )

        if hasattr(time, 'tzset') and self.TIME_ZONE:
            # When we can, attempt to validate the timezone. If we can't find
            # this file, no check happens and it's harmless.
            zoneinfo_root = '/usr/share/zoneinfo'
            if (os.path.exists(zoneinfo_root) and not
                    os.path.exists(os.path.join(zoneinfo_root, *(self.TIME_ZONE.split('/'))))):
                raise ValueError("Incorrect timezone setting: %s" % self.TIME_ZONE)
            # Move the time zone info into os.environ. See ticket #2315 for why
            # we don't do this unconditionally (breaks Windows).
            os.environ['TZ'] = self.TIME_ZONE
            time.tzset() 

def __init__(self, settings_module):
        # update this dict from global settings (but only for ALL_CAPS settings)
        for setting in dir(global_settings):
            if setting == setting.upper():
                setattr(self, setting, getattr(global_settings, setting))

        # store the settings module in case someone later cares
        self.SETTINGS_MODULE = settings_module

        try:
            mod = importlib.import_module(self.SETTINGS_MODULE)
        except ImportError as e:
            raise ImportError("Could not import settings '%s' (Is it on sys.path?): %s" % (self.SETTINGS_MODULE, e))

        # Settings that should be converted into tuples if they're mistakenly entered
        # as strings.
        tuple_settings = ("INSTALLED_APPS", "TEMPLATE_DIRS")

        for setting in dir(mod):
            if setting == setting.upper():
                setting_value = getattr(mod, setting)
                if setting in tuple_settings and \
                        isinstance(setting_value, six.string_types):
                    warnings.warn("The %s setting must be a tuple. Please fix your "
                                  "settings, as auto-correction is now deprecated." % setting,
                        PendingDeprecationWarning)
                    setting_value = (setting_value,) # In case the user forgot the comma.
                setattr(self, setting, setting_value)

        if not self.SECRET_KEY:
            raise ImproperlyConfigured("The SECRET_KEY setting must not be empty.")

        if hasattr(time, 'tzset') and self.TIME_ZONE:
            # When we can, attempt to validate the timezone. If we can't find
            # this file, no check happens and it's harmless.
            zoneinfo_root = '/usr/share/zoneinfo'
            if (os.path.exists(zoneinfo_root) and not
                    os.path.exists(os.path.join(zoneinfo_root, *(self.TIME_ZONE.split('/'))))):
                raise ValueError("Incorrect timezone setting: %s" % self.TIME_ZONE)
            # Move the time zone info into os.environ. See ticket #2315 for why
            # we don't do this unconditionally (breaks Windows).
            os.environ['TZ'] = self.TIME_ZONE
            time.tzset()