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+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+
+from celery.task import Task
+
+from mediagoblin import mg_globals as mgg
+from mediagoblin.db.util import ObjectId
+from mediagoblin.media_types import get_media_manager
+from mediagoblin.processing import mark_entry_failed, BaseProcessingFail
+
+_log = logging.getLogger(__name__)
+
+
+################################
+# Media processing initial steps
+################################
+
+class ProcessMedia(Task):
+ """
+ DEPRECATED -- This now resides in the individual media plugins
+
+ Pass this entry off for processing.
+ """
+ def run(self, media_id):
+ """
+ Pass the media entry off to the appropriate processing function
+ (for now just process_image...)
+ """
+ entry = mgg.database.MediaEntry.one(
+ {'_id': ObjectId(media_id)})
+
+ # Try to process, and handle expected errors.
+ try:
+ #__import__(entry.media_type)
+ manager = get_media_manager(entry.media_type)
+ _log.debug('Processing {0}'.format(entry))
+ manager['processor'](entry)
+ except BaseProcessingFail, exc:
+ mark_entry_failed(entry._id, exc)
+ return
+ except ImportError, exc:
+ _log.error(
+ 'Entry {0} failed to process due to an import error: {1}'\
+ .format(
+ entry.title,
+ exc))
+
+ mark_entry_failed(entry._id, exc)
+
+ entry.state = u'processed'
+ entry.save()
+
+ def on_failure(self, exc, task_id, args, kwargs, einfo):
+ """
+ If the processing failed we should mark that in the database.
+
+ Assuming that the exception raised is a subclass of
+ BaseProcessingFail, we can use that to get more information
+ about the failure and store that for conveying information to
+ users about the failure, etc.
+ """
+ entry_id = args[0]
+ mark_entry_failed(entry_id, exc)