mediagoblin/process_media/errors.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 from mediagoblin.util import lazy_pass_to_ugettext as _
  18
  19 class BaseProcessingFail(Exception):
  20     """
  21     Base exception that all other processing failure messages should
  22     subclass from.
  23
  24     You shouldn't call this itself; instead you should subclass it
  25     and provid the exception_path and general_message applicable to
  26     this error.
  27     """
  28     general_message = u''
  29
  30     @property
  31     def exception_path(self):
  32         return u"%s:%s" % (
  33             self.__class__.__module__, self.__class__.__name__)
  34
  35     def __init__(self, **metadata):
  36         self.metadata = metadata or {}
  37
  38
  39 class BadMediaFail(BaseProcessingFail):
  40     """
  41     Error that should be raised when an inappropriate file was given
  42     for the media type specified.
  43     """
  44     general_message = _(u'Invalid file given for media type.')