mediagoblin/mg_globals.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 """
  17 In some places, we need to access the database, public_store, queue_store
  18 """
  19
  20 import gettext
  21 import pkg_resources
  22 import threading
  23
  24 import six
  25
  26 #############################
  27 # General mediagoblin globals
  28 #############################
  29
  30 # SQL database engine
  31 database = None
  32
  33 # should be the same as the
  34 public_store = None
  35 queue_store = None
  36
  37 # A WorkBenchManager
  38 workbench_manager = None
  39
  40 # A thread-local scope
  41 thread_scope = threading.local()
  42
  43 # gettext (this needs to default to English so it doesn't break
  44 #   in case we're running a script without the app like
  45 #   ./bin/gmg theme assetlink)
  46 thread_scope.translations = gettext.translation(
  47     'mediagoblin',
  48     pkg_resources.resource_filename(
  49         'mediagoblin', 'i18n'), ['en'], fallback=True)
  50
  51 # app and global config objects
  52 app_config = None
  53 global_config = None
  54
  55 # The actual app object
  56 app = None
  57
  58
  59 def setup_globals(**kwargs):
  60     """
  61     Sets up a bunch of globals in this module.
  62
  63     Takes the globals to setup as keyword arguments.  If globals are
  64     specified that aren't set as variables above, then throw an error.
  65     """
  66     from mediagoblin import mg_globals
  67
  68     for key, value in six.iteritems(kwargs):
  69         if not hasattr(mg_globals, key):
  70             raise AssertionError("Global %s not known" % key)
  71         setattr(mg_globals, key, value)