Record the original state of the media entry in the processor

This allows our processor to make some informed decisions based on the
state by still having access to the original state.

This commit sponsored by William Rico.  Thank you!

mediagoblin/processing/__init__.py

@@ -116,6 +116,7 @@ class MediaProcessor(object):
     def __init__(self, manager, media_entry):
         self.manager = manager
         self.media_entry = media_entry
+        self.entry_orig_state = media_entry.state
 
         # Should be initialized at time of processing, at least
         self.workbench = None

mediagoblin/processing/task.py

@@ -85,12 +85,14 @@ class ProcessMedia(task.Task):
         try:
             processor_class = manager.get_processor(reprocess_action, entry)
 
-            entry.state = u'processing'
-            entry.save()
-
-            _log.debug('Processing {0}'.format(entry))
-
             with processor_class(manager, entry) as processor:
+                # Initial state change has to be here because
+                # the entry.state gets recorded on processor_class init
+                entry.state = u'processing'
+                entry.save()
+
+                _log.debug('Processing {0}'.format(entry))
+
                 processor.process(**reprocess_info)
 
             # We set the state to processed and save the entry here so there's