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''' Care about audio fileformat
'''
try:
from mutagen.flac import FLAC
from mutagen.oggvorbis import OggVorbis
except ImportError:
pass
import parser
import mutagenstripper
class MpegAudioStripper(parser.GenericParser):
''' Represent mpeg audio file (mp3, ...)
'''
def _should_remove(self, field):
return field.name in ("id3v1", "id3v2")
class OggStripper(mutagenstripper.MutagenStripper):
''' Represent an ogg vorbis file
'''
def _create_mfile(self):
self.mfile = OggVorbis(self.filename)
class FlacStripper(mutagenstripper.MutagenStripper):
''' Represent a Flac audio file
'''
def _create_mfile(self):
self.mfile = FLAC(self.filename)
def remove_all(self):
''' Remove the "metadata" block from the file
'''
super(FlacStripper, self).remove_all()
self.mfile.clear_pictures()
self.mfile.save()
return True
def is_clean(self):
''' Check if the "metadata" block is present in the file
'''
return super(FlacStripper, self).is_clean() and not self.mfile.pictures
def get_meta(self):
''' Return the content of the metadata block if present
'''
metadata = super(FlacStripper, self).get_meta()
if self.mfile.pictures:
metadata['picture:'] = 'yes'
return metadata
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