iTunes で再生中のプレイリストのなかで「レートの低い」「あまり再生していない」曲を重点的に再生しまくるプレイリストを作成する Python スクリプト

heavy-rotation-machine.py

from ScriptingBridge import *

iTunes = SBApplication.applicationWithBundleIdentifier_("com.apple.iTunes")

heavy_playlist = None

for playlist in iTunes.sources()[0].playlists().get():
    if "HEAVY" == playlist.name():
        playlist.delete()
        break

heavy_playlist = iTunes.classForScriptingClass_("playlist").alloc().initWithProperties_({
    "name" : "HEAVY",
    "shuffle" : True,
    "songRepeat" : "kAll",
})
iTunes.sources()[0].playlists().insertObject_atIndex_(heavy_playlist, 0)

playlist = iTunes.currentPlaylist()

for item in playlist.tracks():
    if (0 == item.rating()):
        count = 1
    else:
        count = ((100 - item.rating()) / item.playedCount() + 1)

    for i in range(count):
        item.duplicateTo_(heavy_playlist)

うわ 25 行目モロゼロ除算じゃん