+
+def blacklist(artist=False, album=False, track=False):
+ #pylint: disable=C0111,W0212
+ field = (album, track)
+ def decorated(func):
+ def wrapper(*args, **kwargs):
+ if not args[0].database:
+ return func(*args, **kwargs)
+ cls = args[0]
+ boolgen = (bl for bl in field)
+ bl_fun = (cls.database.get_bl_album,
+ cls.database.get_bl_track,)
+ #bl_getter = next(fn for fn, bl in zip(bl_fun, boolgen) if bl is True)
+ bl_getter = next(dropwhile(lambda _: not next(boolgen), bl_fun))
+ #cls.log.debug('using {0} as bl filter'.format(bl_getter.__name__))
+ results = list()
+ for elem in func(*args, **kwargs):
+ if bl_getter(elem, add_not=True):
+ #cls.log.debug('Blacklisted "{0}"'.format(elem))
+ continue
+ if track and cls.database.get_bl_album(elem, add_not=True):
+ # filter album as well in track mode
+ # (artist have already been)
+ cls.log.debug('Blacklisted alb. "{0.album}"'.format(elem))
+ continue
+ results.append(elem)
+ return results
+ return wrapper
+ return decorated
+