web.py 文件源码

def get_music(artist, album, title):
    '''Get a track tags or download it'''
    page_format = request.args.get('format', 'html')
    artist = unquote(artist)
    album = unquote(album)
    title = unquote(title)
    collection = app.config['COLLECTION']
    mf = MusicFilter(artists=[artist], albums=[album], titles=[title])
    musics = webfilter(partial(collection.filter, cursor_factory=RealDictCursor), mf)
    if len(musics) != 1:
        return ('Music not found', 404)
    music = musics[0]

    if page_format == 'html':
        return render_template("music.html", music=music)
    elif page_format == 'json':
        return dumps(music, sort_keys=True, indent=4, separators=(',', ': '))
    return ('Invalid format, available: json,html', 400)