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