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
  25 #############################
  26 # General mediagoblin globals
  27 #############################
  28
  29 # mongokit.Connection
  30 db_connection = None
  31
  32 # mongokit.Connection
  33 database = None
  34
  35 # beaker's cache manager
  36 cache = None
  37
  38 # should be the same as the
  39 public_store = None
  40 queue_store = None
  41
  42 # A WorkBenchManager
  43 workbench_manager = None
  44
  45 # A thread-local scope
  46 thread_scope = threading.local()
  47
  48 # gettext
  49 thread_scope.translations = gettext.find(
  50     'mediagoblin',
  51     pkg_resources.resource_filename(
  52     'mediagoblin', 'translations'), ['en'])
  53
  54 # app and global config objects
  55 app_config = None
  56 global_config = None
  57
  58 # The actual app object
  59 app = None
  60
  61
  62 def setup_globals(**kwargs):
  63     """
  64     Sets up a bunch of globals in this module.
  65
  66     Takes the globals to setup as keyword arguments.  If globals are
  67     specified that aren't set as variables above, then throw an error.
  68     """
  69     from mediagoblin import mg_globals
  70
  71     for key, value in kwargs.iteritems():
  72         if not hasattr(mg_globals, key):
  73             raise AssertionError("Global %s not known" % key)
  74         setattr(mg_globals, key, value)