mediagoblin/tools/files.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 import six
  18
  19 from mediagoblin import mg_globals
  20
  21
  22 def delete_media_files(media):
  23     """
  24     Delete all files associated with a MediaEntry
  25
  26     Arguments:
  27      - media: A MediaEntry document
  28     """
  29     no_such_files = []
  30     for listpath in six.itervalues(media.media_files):
  31         try:
  32             mg_globals.public_store.delete_file(
  33                 listpath)
  34         except OSError:
  35             no_such_files.append("/".join(listpath))
  36
  37     for attachment in media.attachment_files:
  38         try:
  39             mg_globals.public_store.delete_file(
  40                 attachment['filepath'])
  41         except OSError:
  42             no_such_files.append("/".join(attachment['filepath']))
  43
  44     if no_such_files:
  45         raise OSError(", ".join(no_such_files))