mediagoblin/tools/common.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011 Free Software Foundation, Inc
   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 import sys
  18
  19 DISPLAY_IMAGE_FETCHING_ORDER = [u'medium', u'original', u'thumb']
  20
  21 global TESTS_ENABLED
  22 TESTS_ENABLED = False
  23
  24 def import_component(import_string):
  25     """
  26     Import a module component defined by STRING.  Probably a method,
  27     class, or global variable.
  28
  29     Args:
  30      - import_string: a string that defines what to import.  Written
  31        in the format of "module1.module2:component"
  32     """
  33     module_name, func_name = import_string.split(':', 1)
  34     __import__(module_name)
  35     module = sys.modules[module_name]
  36     func = getattr(module, func_name)
  37     return func