From: kaliko Date: Fri, 1 Nov 2013 09:42:56 +0000 (+0100) Subject: blacklisting decorator X-Git-Tag: mpd-sima/0.12.0pr2~37 X-Git-Url: https://git.kaliko.me/?a=commitdiff_plain;h=08ce3d59f8f416d3fc036047aa01a86a93b421e9;p=mpd-sima.git blacklisting decorator --- diff --git a/sima/plugins/lastfm.py b/sima/plugins/lastfm.py index 935ddf8..ec612ee 100644 --- a/sima/plugins/lastfm.py +++ b/sima/plugins/lastfm.py @@ -7,6 +7,7 @@ Fetching similar artists from last.fm web services import random from collections import deque +from itertools import dropwhile from hashlib import md5 # third parties componants @@ -34,6 +35,26 @@ def cache(func): return results return wrapper +def blacklist(artist=False, album=False, track=False): + field = (bl for bl in (artist, album, track)) + def decorated(func): + def wrapper(*args, **kwargs): + cls = args[0] + bl_fun = (cls._Plugin__daemon.sdb.get_bl_artist, + cls._Plugin__daemon.sdb.get_bl_album, + cls._Plugin__daemon.sdb.get_bl_track,) + #bl_getter = next(fn for fn, bl in zip(bl_fun, field) if bl is True) + bl_getter = next(dropwhile(lambda _: not next(field), bl_fun)) + results = func(*args, **kwargs) + cls.log.debug('using {0} as bl filter'.format(bl_getter.__name__)) + for elem in results: + if bl_getter(elem, add_not=True): + cls.log.info('Blacklisted: {0}'.format(elem)) + results.remove(elem) + return results + return wrapper + return decorated + class Lastfm(Plugin): """last.fm similar artists @@ -127,6 +148,7 @@ class Lastfm(Plugin): ' / '.join(art_not_in_hist))) return art_not_in_hist + @blacklist(artist=True) @cache def get_artists_from_player(self, similarities): """