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convert from legacy/deprecated COVERART field

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This commit is contained in:
Adrian Sampson 2011-04-20 14:41:58 -07:00
parent ddab8571e3
commit 578d3fd506
1 changed files with 28 additions and 5 deletions
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33
beets/mediafile.py
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@ -511,8 +511,22 @@ class ImageField(object):
# Here we're assuming everything but MP3 and MPEG-4 uses
# the Xiph/Vorbis Comments standard. This may not be valid.
# http://wiki.xiph.org/VorbisComment#Cover_art
#TODO read legacy COVERART tags
if 'metadata_block_picture' not in obj.mgfile:
# Try legacy COVERART tags.
if 'coverart' in obj.mgfile and obj.mgfile['coverart']:
data = base64.b64decode(obj.mgfile['coverart'][0])
if 'coverartmime' in obj.mgfile and \
obj.mgfile['coverartmime']:
mime = obj.mgfile['coverartmime'][0]
if mime in mime2kind:
kind = mime2kind[mime]
else:
return None
else:
# Default to JPEG.
kind = imagekind.JPEG
return (data, kind)
return None
for data in obj.mgfile["metadata_block_picture"]:
@ -568,10 +582,19 @@ class ImageField(object):
obj.mgfile['covr'] = [cover]
else:
# Again, assuming Vorbis Comments.
if val is None and 'metadata_block_picture' in obj.mgfile:
del obj.mgfile['metadata_block_picture']
else:
# Again, assuming Vorbis Comments standard.
# Strip all art, including legacy COVERART.
if 'metadata_block_picture' in obj.mgfile:
if 'metadata_block_picture' in obj.mgfile:
del obj.mgfile['metadata_block_picture']
if 'coverart' in obj.mgfile:
del obj.mgfile['coverart']
if 'coverartmime' in obj.mgfile:
del obj.mgfile['coverartmime']
# Add new art if provided.
if val is not None:
mime = 'image/jpeg' if kind == imagekind.JPEG else 'image/png'
pic = mutagen.flac.Picture()
pic.data = data