def getMetaData(songPath):
cachePath = os.path.join(cacheDir, str(abs(hash(songPath))))
song = SongFile()
try:
f = open(cachePath, 'r')
jsonData = json.load(f)
f.close()
# TODO: Eventually we should have these expire after a time
if jsonData['path'] == songPath:
song.fromJson(jsonData)
else:
# Hash collision !
# TODO: Do something better about this
raise LookupError()
except (LookupError, IOError) as e:
song.load(songPath)
f = open(cachePath,'w')
f.write(song.toJson())
f.close()
# Pass any errors farther up
return song
#!/usr/bin/env python from songfile import SongFile import json mp3Path = "/home/mike/Music/Gorillaz/Demon Days/03 Kids With Guns.mp3" songFile = SongFile() songFile.load(mp3Path) print "songFile" print songFile print hash(songFile) print songFile.jsonHash() print jsonStr = songFile.toJson() print "jsonStr" print jsonStr print songFile2 = SongFile() songFile2.fromJson(jsonStr) print "songFile2" print songFile2 print songFile2.artist print hash(songFile2) print songFile2.jsonHash()