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| #! /usr/bin/env python
import xml.etree.ElementTree as etree
import urllib.request
SONGS = {}
PLAYLISTS_ID_CONTAINER = {}
PLAYLISTS_FOLDER = {}
FOLDERS = {'': {}} # This is for playlists that are not in a folder.
ALIAS = {
'Track ID': "newSong",
'Name' : "songName",
'Artist' : "artistName",
'Composer': "composer",
'Album': "album",
'Genre': "style",
'Total Time': "time_ms",
'Location': "path"
}
def getSongs(elem):
lastKey = ''
newSong = False
text = elem.text or ""
for e in elem:
textInsideCurrentTag = getSongs(e).strip()
# A new song
if e.tag == 'key':
if textInsideCurrentTag in ALIAS:
lastKey = ALIAS[textInsideCurrentTag]
if e.tag == 'integer':
if lastKey == "newSong":
currentIndexSong = cleanSpecialCharacters(textInsideCurrentTag)
SONGS[currentIndexSong] = {}
lastKey = ""
elif lastKey in [ "time_ms" ]:
SONGS[currentIndexSong][lastKey] = cleanSpecialCharacters(textInsideCurrentTag)
lastKey = ""
elif e.tag == 'string' and lastKey == "path":
textInsideCurrentTag = cleanSpecialCharacters(textInsideCurrentTag)
if textInsideCurrentTag.startswith(r'file://localhost'):
textInsideCurrentTag = textInsideCurrentTag [len(r'file://localhost'):]
SONGS[currentIndexSong][lastKey] = cleanSpecialCharacters(textInsideCurrentTag)
lastKey = ""
elif e.tag == 'string' \
and lastKey in [
"songName",
"artistName" ,
"composer",
"album",
"style"
]:
SONGS[currentIndexSong][lastKey] = cleanSpecialCharacters(textInsideCurrentTag)
lastKey = ""
if e.tail:
text += e.tail
return text
def getPlaylist(elem):
global THE_PLAYLIST_IDS
global PLAYLIST_NAME
global WE_HAVE_FOLDER
global ID_CONTAINER
global ID_OBJECT
lastKey = ''
text = elem.text or ""
for e in elem:
textInsideCurrentTag = getPlaylist(e).strip()
# A new song
if e.tag == 'key':
if textInsideCurrentTag == 'Track ID':
lastKey = ALIAS[textInsideCurrentTag]
elif textInsideCurrentTag == 'Folder':
WE_HAVE_FOLDER = True
elif textInsideCurrentTag == 'Name':
lastKey = 'playlistName'
elif textInsideCurrentTag == 'Parent Persistent ID':
lastKey = 'inFolder'
elif textInsideCurrentTag == 'Playlist Persistent ID':
lastKey = 'identity'
elif e.tag == 'integer' and lastKey == "newSong":
THE_PLAYLIST_IDS.append(textInsideCurrentTag)
lastKey = ""
elif e.tag == 'string':
if PLAYLIST_NAME == '' and lastKey == 'playlistName':
PLAYLIST_NAME = e.text.strip()
lastKey = ""
elif lastKey == 'inFolder':
ID_CONTAINER = e.text.strip()
lastKey = ""
elif lastKey == 'identity':
ID_OBJECT = e.text.strip()
lastKey = ""
if e.tail:
text += e.tail
return text
def printFolder(idObject):
global FOLDERS
if 'container' in FOLDERS[idObject]:
if FOLDERS[idObject]['container']:
return printFolder(FOLDERS[idObject]['container']) + '/' + FOLDERS[idObject]['name']
return FOLDERS[idObject]['name']
return ''
# Here we go...
print("",
"===== READING iTunes Library INFOS =====",
"1) Building the tree of the XML iTunes file. This can take a long time...",
sep = '\n')
tree = etree.parse(pathOfThePlaylist)
print("2) Looking for all the songs. This can take a long time...")
getSongs(tree.getroot().find('dict/dict'))
print("3) Looking for all the playlists...")
folders = []
for onePlaylist in tree.getroot().findall('dict/array/dict'):
THE_PLAYLIST_IDS = []
PLAYLIST_NAME = ''
WE_HAVE_FOLDER = False
ID_CONTAINER = ''
ID_OBJECT = ''
getPlaylist(onePlaylist)
if WE_HAVE_FOLDER:
FOLDERS[ID_OBJECT] = { 'name': PLAYLIST_NAME,
'container': ID_CONTAINER
}
else:
if ID_CONTAINER in PLAYLISTS_ID_CONTAINER:
PLAYLISTS_ID_CONTAINER[ID_CONTAINER][PLAYLIST_NAME]= THE_PLAYLIST_IDS
else:
PLAYLISTS_ID_CONTAINER[ID_CONTAINER] = {PLAYLIST_NAME: THE_PLAYLIST_IDS}
for oneIdContainer in PLAYLISTS_ID_CONTAINER:
PLAYLISTS_FOLDER[printFolder(oneIdContainer)] = PLAYLISTS_ID_CONTAINER[oneIdContainer]
print("4) Reading iTunes Library infos is finished.") |
Analyse XML - Problème de performance
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