def config_settings_new_theme(request):
"""The settings view for creating a new xml api user
"""
# get form
debug = LaudioDebugger()
if request.method == 'POST':
theme_form = ThemeForm(request.POST, request.FILES)
if theme_form.is_valid():
try:
theme_form.install_theme(request.FILES['theme'])
except (tarfile.CompressionError, tarfile.ReadError, TypeError), msg:
debug.log('Theme Upload', msg)
return HttpResponseRedirect(reverse('player:config_settings'))
ctx = {
'theme_form': theme_form
}
return csrf_render(request, 'config/settings_new_theme.html', ctx)
def config_settings_delete_theme(request, themename):
"""The settings view for deleting a user
Keyword arguments:
userid -- The id of the user
"""
if request.method == 'POST':
# todo unlink theme
if themename != 'default':
themes_dir = os.path.join(settings.MEDIA_ROOT, 'themes/')
theme_path = os.path.join(themes_dir, themename)
shutil.rmtree(theme_path)
else:
debug = LaudioDebugger()
debug.log('Theme Deletion', 'Can not delete default theme')
return HttpResponseRedirect(reverse('player:config_settings'))
else:
ctx = {
'themename': themename
}
return csrf_render(request, 'config/settings_delete_theme.html', 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()
def __init__(self, path):
"""Generates the javascript from templates
Keyword arguments:
path -- The path to the song
"""
self.path = path
self.modified = False
self.added = False
self.date = 0
self.artist = ''
self.title = ''
self.album = ''
self.genre = ''
self.length = 0
self.bitrate = 0
self.tracknumber = 0
self.size = os.path.getsize(self.path)
self.lastModified = datetime.datetime.fromtimestamp( os.stat(path).st_mtime )
self._debugger = LaudioDebugger()
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')
class Song(object):
"""
This is a baseclass for songs which provides methods to save and update
a song in the database. This class is abstract and should not be instantiated
by itself
Usage:
# we have to use an inherited class, for instance CodecClass
song = CodecClass("/path/to/file.codec")
song.save()
"""
# static vars for debug purposes
added = 0
modified = 0
def __init__(self, path):
"""Generates the javascript from templates
Keyword arguments:
path -- The path to the song
"""
self.path = path
self.modified = False
self.added = False
self.date = 0
self.artist = ''
self.title = ''
self.album = ''
self.genre = ''
self.length = 0
self.bitrate = 0
self.tracknumber = 0
self.size = os.path.getsize(self.path)
self.lastModified = datetime.datetime.fromtimestamp( os.stat(path).st_mtime )
self._debugger = LaudioDebugger()
def __setattr__(self, name, value):
"""Setter"""
# check and correct weird dates
if name == 'date':
if isinstance(value, str):
regex = r'^(\d{1,4})-?.*'
year = re.search(regex, value)
try:
if year:
value = int( year.group(1) )
except ValueError:
value = ''
# handle empty titles
elif name == 'title' and value == '':
value = os.path.basename(self.path)
object.__setattr__(self, name, value)
def getModel(self):
"""
Checks if the song exists in the database. To do this, the
path in the database is compared to the path of the song object.
If the two paths match, then the song model which we have to
use is returned, otherwise false
"""
try:
song = SongModel.objects.get(path=self.path)
return song
except SongModel.DoesNotExist:
return SongModel()
def isModified(self, song):
"""
Returns true if the timestamp from the file is newer than the
Database entry
Keyword arguments
song -- The database instance of a song. If song is not given
a new song will be created and saved in the database
"""
return song.lastmodified != self.lastModified
def save(self):
"""
Saves the values of the object into the database
"""
# get the database model of the song
modi = True
song = self.getModel()
if not song.lastmodified:
modi = False
song.lastmodified = 0
# only save to database if song is modified
if self.isModified(song):
# debug
if modi:
self.modfied = True
self._debugger.log("Music Scanner", "modified %s" % self.path)
else:
self.added = True
self._debugger.log("Music Scanner", "added %s" % self.path)
# Get artist if artist is already in the database and do the same
# for album and genre
try:
artist = ArtistModel.objects.get(name=self.artist)
except ArtistModel.DoesNotExist:
artist = ArtistModel()
artist.name = self.artist
artist.save()
try:
album = AlbumModel.objects.get(name=self.album)
except AlbumModel.DoesNotExist:
album = AlbumModel()
album.name = self.album
album.date = self.date
album.save()
try:
genre = GenreModel.objects.get(name=self.genre)
except GenreModel.DoesNotExist:
genre = GenreModel()
genre.name = self.genre
genre.save()
for attr in ('title', 'tracknumber', 'codec', 'bitrate',
'length', 'path', 'size'):
setattr( song, attr, getattr(self, attr) )
song.lastmodified = self.lastModified
song.artist = artist
song.album = album
song.genre = genre
song.save()
