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-rw-r--r--mediagoblin/init/celery/__init__.py56
1 files changed, 55 insertions, 1 deletions
diff --git a/mediagoblin/init/celery/__init__.py b/mediagoblin/init/celery/__init__.py
index 88dedd28..29ccd83a 100644
--- a/mediagoblin/init/celery/__init__.py
+++ b/mediagoblin/init/celery/__init__.py
@@ -14,4 +14,58 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-from mediagoblin._version import __version__
+import os
+import sys
+
+
+MANDATORY_CELERY_IMPORTS = ['mediagoblin.processing']
+
+DEFAULT_SETTINGS_MODULE = 'mediagoblin.init.celery.dummy_settings_module'
+
+
+def setup_celery_from_config(app_config, global_config,
+ settings_module=DEFAULT_SETTINGS_MODULE,
+ force_celery_always_eager=False,
+ set_environ=True):
+ """
+ Take a mediagoblin app config and try to set up a celery settings
+ module from this.
+
+ Args:
+ - app_config: the application config section
+ - global_config: the entire ConfigObj loaded config, all sections
+ - settings_module: the module to populate, as a string
+ - force_celery_always_eager: whether or not to force celery into
+ always eager mode; good for development and small installs
+ - set_environ: if set, this will CELERY_CONFIG_MODULE to the
+ settings_module
+ """
+ if 'celery' in global_config:
+ celery_conf = global_config['celery']
+ else:
+ celery_conf = {}
+
+ celery_settings = {}
+
+ # Add all celery settings from config
+ for key, value in celery_conf.iteritems():
+ celery_settings[key] = value
+
+ # TODO: use default result stuff here if it exists
+
+ # add mandatory celery imports
+ celery_imports = celery_settings.setdefault('CELERY_IMPORTS', [])
+ celery_imports.extend(MANDATORY_CELERY_IMPORTS)
+
+ if force_celery_always_eager:
+ celery_settings['CELERY_ALWAYS_EAGER'] = True
+ celery_settings['CELERY_EAGER_PROPAGATES_EXCEPTIONS'] = True
+
+ __import__(settings_module)
+ this_module = sys.modules[settings_module]
+
+ for key, value in celery_settings.iteritems():
+ setattr(this_module, key, value)
+
+ if set_environ:
+ os.environ['CELERY_CONFIG_MODULE'] = settings_module