MM2: Imporoved some logging and error checking.

python_apps/media-monitor2/media/monitor/eventcontractor.py

@@ -57,4 +57,7 @@ class EventContractor(Loggable):
 
     def __unregister(self, evt):
         try: del self.store[evt.path]
+        except KeyError as e:
+            self.logger.info("Contractor failed to unrecord event: '%s'" \
+                    % evt.path)
         except Exception as e: self.unexpected_exception(e)

python_apps/media-monitor2/media/monitor/metadata.py

@@ -154,6 +154,11 @@ class Metadata(Loggable):
         try              : full_mutagen  = mutagen.File(fpath, easy=True)
         except Exception : raise BadSongFile(fpath)
         self.path = fpath
+        if not os.path.exists(self.path):
+            self.logger.info("Attempting to read metadata of file \
+                    that does not exist. Setting metadata to {}")
+            self.__metadata = {}
+            return
         # TODO : Simplify the way all of these rules are handled right not it's
         # extremely unclear and needs to be refactored.
         self.__metadata = Metadata.airtime_dict(full_mutagen)