示例#1
0
文件: play.py 项目: hchapman/WBOR
  def get_top(cls, after=None, before=None,
              song_num=10, album_num=10, keys_only=False):
    # Sanitize our range dates. Dates instead of times make caching
    # more convenient, and I don't even think we can ask for times
    # anyway
    if before is None:
      before = datetime.date.today() + datetime.timedelta(days=1)
    else:
      if isinstance(before, datetime.datetime):
        before = before.date()
      before += datetime.timedelta(days=1)
      if after is None:
        after = datetime.date.today() - datetime.timedelta(days=6)
      elif isinstance(after, datetime.datetime):
          after = after.date()

    cached_songs = cls.get_cached_query(cls.TOP_SONGS, before, after)
    cached_albums = cls.get_cached_query(cls.TOP_ALBUMS, before, after)

    # If our caches exist and are sufficient
    if not (cached_songs is None or
            cached_songs.need_fetch(song_num) or
            cached_albums is None or
            cached_albums.need_fetch(album_num)):
      songs = cached_songs.results
      albums = cached_albums.results

    else:
      new_plays = cls.get(before=before, after=after, is_new=True, num=1000)
      songs = {}
      albums = {}

      for play in new_plays:
        song_key = play.song_key
        if song_key in songs:
          songs[song_key] += 1
        else:
          songs[song_key] = 1
        if play.song_key is not None and play.song.album_key is not None:
          album_key = play.song.album_key
          if album_key in albums:
            albums[album_key] += 1
          else:
            albums[album_key] = 1

      songs = songs.items()
      albums = albums.items()

    if not keys_only:
      songs = [(Song.get(song), count) for song,count in songs]
    if not keys_only:
      albums = [(Album.get(album), count) for album,count in albums]

    songs = sorted(songs, key=(lambda x: x[1]), reverse=True)[:song_num]
    albums = sorted(albums, key=(lambda x: x[1]), reverse=True)[:album_num]

    cached_songs

    return (songs, albums)
示例#2
0
文件: play.py 项目: hchapman/WBOR
 def song(self):
   return Song.get(self.song_key)
示例#3
0
文件: play.py 项目: sglickman/WBOR
  def get_top(cls, after=None, before=None,
              song_num=10, album_num=10, keys_only=False):
    # Sanitize our range dates. Dates instead of times make caching
    # more convenient, and I don't even think we can ask for times
    # anyway
    if before is None and after is None:
      before, after = last_week_span()
    elif before is None:
      before = last_week_span(after + datetime.timedelta(6))[0]
    elif after is None:
      after = last_week_span(before)[1]

    cached_songs = CountTableCache.fetch(cls.TOP_SONGS%(before, after))
    cached_albums = CountTableCache.fetch(cls.TOP_ALBUMS%(before, after))
    cached = False

    # If our caches exist and are sufficient
    if not (True or cached_songs.need_fetch(song_num) or
            cached_albums.need_fetch(album_num)):
      song_counts = cached_songs.results
      album_counts = cached_albums.results
      cached = True

    else:
      new_plays, cursor, more = cls.get(
        before=before, after=after, is_new=True, num=1000, page=True)
      song_counts = {}
      album_counts = {}

      for play in new_plays:
        song_key = play.song_key
        if song_key in song_counts:
          song_counts[song_key] += 1
        else:
          song_counts[song_key] = 1
        if play.song_key is not None and play.song.album_key is not None:
          album_key = play.song.album_key
          if album_key in album_counts:
            album_counts[album_key] += 1
          else:
            album_counts[album_key] = 1

    logging.debug(song_counts)

    if not keys_only:
      if song_counts:
        songs = zip(Song.get(song_counts.keys()), song_counts.values())
      else:
        songs = []

      if album_counts:
        albums = zip(Album.get(album_counts.keys()), album_counts.values())
      else:
        albums = []

    else:
      songs = song_counts.iteritems()
      albums = album_counts.iteritems()

    if not cached:
      cached_songs.set(song_counts, more)
      cached_albums.set(album_counts, more)
      cached_songs.save()
      cached_albums.save()

    songs = sorted(songs,
                   key=itemgetter(1), reverse=True)[:song_num]
    albums = sorted(albums,
                    key=itemgetter(1), reverse=True)[:album_num]

    return (songs, albums)