def __init__(self):
gobject.GObject.__init__(self) #@UndefinedVariable
self._path=os.path.expanduser(self.PATH)
self.conn=sqlite3.connect(self._path, check_same_thread=False)
self.c = self.conn.cursor()
self.c.execute("""create table if not exists tracks (id integer primary key,
created integer,
updated integer,
track_name text, track_mbid text,
artist_name text)
""")
Bus.add_emission_hook("track", self.h_track)
Bus.add_emission_hook("mb_track", self.h_mb_track)
def h_track(self, _, track):
"""
Based on on 'track' object, we need to find all
'meta_tracks' entries in the database. We do
this by looking up the 'track' in the database
in order to retrieve the the 'track_mbid'. With this
information, we can now fetch all the 'meta tracks'
that have the same 'track_mbid'.
Be sure to 'merge' the fields from the original 'track'
object when issuing the resulting 'meta_track' message.
"""
artist_name=track.details["artist_name"]
track_name =track.details["track_name"]
otrack=self._findTrack(artist_name, track_name)
## Did we find a record at all?
if len(otrack) == 0:
return True
track_mbid=otrack.get("track_mbid", "")
## We can't go very far if we don't have a 'pivot'
## track_mbid to work with...
if track_mbid == "":
return True
## Try and find corresponding 'meta_track' information
## based on the source 'track_mbid'.
## Issue all 'meta_track' in messages as to help other
## agents (e.g. Finder).
mtracks=self._findWithTrackMbid(track_mbid)
if mtracks is None:
return True
for mtrack_tuple in mtracks:
rtrack=makeTrackDict(mtrack_tuple)
r2track=mergeTrackObjects(rtrack, track.details)
## pain... need to convert to be compatible with gobject...
## I wish I would have bypassed gobject at the beginning...
gtrack=Track(r2track, lastfm_info=track.lastfm_info)
Bus.emit("meta_track", gtrack)
return True
