52f20ff337
There's no real reason to support setting the celery config section; so we'll just make it always ['celery'].
94 lines
3.5 KiB
Python
94 lines
3.5 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011 Free Software Foundation, Inc
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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MANDATORY_CELERY_IMPORTS = ['mediagoblin.process_media']
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DEFAULT_SETTINGS_MODULE = 'mediagoblin.celery_setup.dummy_settings_module'
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def setup_celery_from_config(app_config, global_config,
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settings_module=DEFAULT_SETTINGS_MODULE,
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force_celery_always_eager=False,
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set_environ=True):
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"""
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Take a mediagoblin app config and the global config from a paste
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factory and try to set up a celery settings module from this.
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Args:
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- app_config: the application config section
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- global_config: the entire paste config, all sections
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- settings_module: the module to populate, as a string
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- force_celery_always_eager: whether or not to force celery into
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always eager mode; good for development and small installs
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- set_environ: if set, this will CELERY_CONFIG_MODULE to the
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settings_module
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"""
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if app_config.get('celery_setup_elsewhere') == True:
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# Don't setup celery based on our config file.
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return
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if global_config.has_key('celery'):
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celery_conf = global_config['celery']
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else:
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celery_conf = {}
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celery_settings = {}
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# set up mongodb stuff
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celery_settings['CELERY_RESULT_BACKEND'] = 'mongodb'
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if not celery_settings.has_key('BROKER_BACKEND'):
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celery_settings['BROKER_BACKEND'] = 'mongodb'
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celery_mongo_settings = {}
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if app_config.has_key('db_host'):
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celery_mongo_settings['host'] = app_config['db_host']
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if celery_settings['BROKER_BACKEND'] == 'mongodb':
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celery_settings['BROKER_HOST'] = app_config['db_host']
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if app_config.has_key('db_port'):
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celery_mongo_settings['port'] = app_config['db_port']
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if celery_settings['BROKER_BACKEND'] == 'mongodb':
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celery_settings['BROKER_PORT'] = app_config['db_port']
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celery_mongo_settings['database'] = app_config.get('db_name', 'mediagoblin')
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celery_settings['CELERY_MONGODB_BACKEND_SETTINGS'] = celery_mongo_settings
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# Add anything else
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for key, value in celery_conf.iteritems():
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key = key.upper()
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celery_settings[key] = value
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# add mandatory celery imports
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celery_imports = celery_settings.setdefault('CELERY_IMPORTS', [])
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celery_imports.extend(MANDATORY_CELERY_IMPORTS)
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if force_celery_always_eager:
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celery_settings['CELERY_ALWAYS_EAGER'] = True
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celery_settings['CELERY_EAGER_PROPAGATES_EXCEPTIONS'] = True
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__import__(settings_module)
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this_module = sys.modules[settings_module]
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for key, value in celery_settings.iteritems():
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setattr(this_module, key, value)
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if set_environ:
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os.environ['CELERY_CONFIG_MODULE'] = settings_module
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