def ajax_scan_progress(request):
"""
Returns the number of scanned and total songs
"""
prog = ScanProgressor()
scanned, total = prog.getScannedTracks()
ctx = {
'scanned': scanned,
'total': total
}
return render(request, 'ajax/scan_count.json', ctx)
def __init__(self, musicDir=LaudioConfig(settings.LAUDIO_CFG).collectionPath):
""" Instances some attributes and sets the music directory
Keyword arguments:
musicDir -- the directory where musiccollection lies; the string
has to end with a slash because we save the relative
path
if not given, the collectionpath from the settings is used
"""
self.musicDir = musicDir
self.scanned = 0
self.added = 0
self.modified = 0
self.broken = []
self.noRights = []
self._debugger = LaudioDebugger()
self.scanLog = ScanProgressor()
class MusicScanner(object):
"""
Class for scanning the files in your collection
Usage:
scanner = MusicScanner(path) # path is optional
scanner.scan()
"""
def __init__(self, musicDir=LaudioConfig(settings.LAUDIO_CFG).collectionPath):
""" Instances some attributes and sets the music directory
Keyword arguments:
musicDir -- the directory where musiccollection lies; the string
has to end with a slash because we save the relative
path
if not given, the collectionpath from the settings is used
"""
self.musicDir = musicDir
self.scanned = 0
self.added = 0
self.modified = 0
self.broken = []
self.noRights = []
self._debugger = LaudioDebugger()
self.scanLog = ScanProgressor()
def scan(self):
""" Scans a directory recursively for ogg files """
# scan all files
fileList = []
for root, directories, files in os.walk(self.musicDir):
for name in files:
if name.lower().endswith('.ogg') or name.lower().endswith('.oga') \
or name.lower().endswith('mp3'):
fileList.append( os.path.join( root, name ) )
# add a new scan entry
num_files = len(fileList)
self.scanLog.setTotal(num_files)
self._debugger.log('Music Scanner', 'Begin scan of %i songs' % num_files)
# now add the files to the db
for name in fileList:
# ogg vorbis
if name.lower().endswith('.ogg') or name.lower().endswith('.oga'):
try:
self._addSong( VorbisSong(name) )
except mutagen.oggvorbis.OggVorbisHeaderError:
self.broken.append(name)
# mp3
if name.lower().endswith('.mp3'):
self._addSong( MP3Song(name) )
self._debugger.log('Music Scanner', 'Finished scan')
# reset count after finish
self.scanLog.reset()
def _addSong(self, musicFile):
""" Add a song to the database.
Keyword arguments:
musicFile -- The song object
"""
self.scanLog.updateScannedTracks()
try:
musicFile.save()
if musicFile.modified:
self.modified += 1
if musicFile.added:
self.added += 1
except IOError:
self.noRights.append(musicFile.path)
def rmNonExist(self):
"""Removes tracks from the database which are
not on the drive any more"""
self._debugger.log('Music Scanner', 'Removing non existent songs from database')
songs = Song.objects.all()
for song in songs:
if not os.path.exists(song.path):
song.delete()
self._debugger.log('Music Scanner', 'Removed %s from db: file does \
not exist any more' % song.path)
def reset(self):
"""Removes all scanned entries from the db
"""
# TODO: delete via raw sql
self._debugger.log('Music Scanner', 'Resetting Database')
# Song.objects.all().delete() causes database errors
for item in Song.objects.all():
item.delete()
for item in Artist.objects.all():
item.delete()
for item in Genre.objects.all():
item.delete()
for item in Album.objects.all():
item.delete()
for item in Playlist.objects.all():
item.delete()
self._debugger.log('Music Scanner', 'Resetted Database')
