1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011 Free Software Foundation, Inc
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# 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/>.
import os
import sys
MANDATORY_CELERY_IMPORTS = ['mediagoblin.process_media']
DEFAULT_SETTINGS_MODULE = 'mediagoblin.celery_setup.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 global_config.has_key('celery'):
celery_conf = global_config['celery']
else:
celery_conf = {}
celery_settings = {}
# set up mongodb stuff
celery_settings['CELERY_RESULT_BACKEND'] = 'mongodb'
if not celery_settings.has_key('BROKER_BACKEND'):
celery_settings['BROKER_BACKEND'] = 'mongodb'
celery_mongo_settings = {}
if app_config.has_key('db_host'):
celery_mongo_settings['host'] = app_config['db_host']
if celery_settings['BROKER_BACKEND'] == 'mongodb':
celery_settings['BROKER_HOST'] = app_config['db_host']
if app_config.has_key('db_port'):
celery_mongo_settings['port'] = app_config['db_port']
if celery_settings['BROKER_BACKEND'] == 'mongodb':
celery_settings['BROKER_PORT'] = app_config['db_port']
celery_mongo_settings['database'] = app_config.get('db_name', 'mediagoblin')
celery_settings['CELERY_MONGODB_BACKEND_SETTINGS'] = celery_mongo_settings
# Add anything else
for key, value in celery_conf.iteritems():
key = key.upper()
celery_settings[key] = value
# 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
|
