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Viewing changes to Korin/Korin/KorinMetadataService/DiffChecker.py

  • Committer: Lateef Alabi-Oki
  • Date: 2012-03-13 12:00:40 UTC
  • Revision ID: mystilleef@gmail.com-20120313120040-57m9q9j5maus2r9o
Korin metadata service now generates song_info and playlist_info metadata dictionaries. This will be used by other services, especially the main GUI services, to present information to users.

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Korin/Korin/KorinMetadataService/DiffChecker.py
 
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class Checker(object):
 
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        def __init__(self, manager):
 
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                self.__init_attributes(manager)
 
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                manager.connect("library-metadata", self.__library_cb)
 
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                manager.connect("playlist-metadata", self.__playlist_cb)
 
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        def __init_attributes(self, manager):
 
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                self.__manager = manager
 
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                self.__old_library_metadata = {}
 
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                self.__library_first_time = True
 
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                self.__old_playlist_metadata = {}
 
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                self.__playlist_first_time = True
 
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                return False
 
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        def __library_cb(self, manager, metadata):
 
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                try:
 
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                        from gi.repository.GObject import idle_add, PRIORITY_LOW
 
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                        if self.__library_first_time: raise ValueError
 
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                        if self.__old_library_metadata == metadata: return False
 
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                        self.__old_library_metadata = metadata
 
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                        idle_add(self.__manager.emit, "new-library-metadata", metadata, priority=PRIORITY_LOW)
 
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                        print "New library metadata found"
 
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                except ValueError:
 
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                        self.__library_first_time = False
 
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                        self.__old_library_metadata = metadata
 
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                        idle_add(self.__manager.emit, "new-library-metadata", metadata, priority=PRIORITY_LOW)
 
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                        print "New library metadata found"
 
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                return False
 
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        def __playlist_cb(self, manager, metadata):
 
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                try:
 
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                        from gi.repository.GObject import idle_add, PRIORITY_LOW
 
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                        if self.__playlist_first_time: raise ValueError
 
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                        if self.__old_playlist_metadata == metadata: return False
 
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                        self.__old_playlist_metadata = metadata
 
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                        idle_add(self.__manager.emit, "new-playlist-metadata", metadata, priority=PRIORITY_LOW)
 
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                        print "New playlist metadata found"
 
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                except ValueError:
 
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                        self.__playlist_first_time = False
 
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                        self.__old_playlist_metadata = metadata
 
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                        idle_add(self.__manager.emit, "new-playlist-metadata", metadata, priority=PRIORITY_LOW)
 
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                        print "New playlist metadata found"
 
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                return False