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- # -*- coding: utf-8 -*-
- """
- celery.loaders.default
- ~~~~~~~~~~~~~~~~~~~~~~
-
- The default loader used when no custom app has been initialized.
-
- """
- from __future__ import absolute_import
-
- import os
- import warnings
-
- from celery.datastructures import DictAttribute
- from celery.exceptions import NotConfigured
- from celery.utils import strtobool
-
- from .base import BaseLoader
-
- __all__ = ['Loader', 'DEFAULT_CONFIG_MODULE']
-
- DEFAULT_CONFIG_MODULE = 'celeryconfig'
-
- #: Warns if configuration file is missing if :envvar:`C_WNOCONF` is set.
- C_WNOCONF = strtobool(os.environ.get('C_WNOCONF', False))
-
-
- class Loader(BaseLoader):
- """The loader used by the default app."""
-
- def setup_settings(self, settingsdict):
- return DictAttribute(settingsdict)
-
- def read_configuration(self, fail_silently=True):
- """Read configuration from :file:`celeryconfig.py` and configure
- celery and Django so it can be used by regular Python."""
- configname = os.environ.get('CELERY_CONFIG_MODULE',
- DEFAULT_CONFIG_MODULE)
- try:
- usercfg = self._import_config_module(configname)
- except ImportError:
- if not fail_silently:
- raise
- # billiard sets this if forked using execv
- if C_WNOCONF and not os.environ.get('FORKED_BY_MULTIPROCESSING'):
- warnings.warn(NotConfigured(
- 'No {module} module found! Please make sure it exists and '
- 'is available to Python.'.format(module=configname)))
- return self.setup_settings({})
- else:
- self.configured = True
- return self.setup_settings(usercfg)
|
