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# This file is part of beets.
# Copyright 2011, Adrian Sampson.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
"""Allows beets to embed album art into file metadata."""
from __future__ import with_statement
import logging
import imghdr
from beets.plugins import BeetsPlugin
from beets import mediafile
from beets import ui
from beets.ui import decargs
from beets.util import syspath, normpath
log = logging.getLogger('beets')
def _embed(path, items):
"""Embed an image file, located at `path`, into each item.
"""
data = open(syspath(path), 'rb').read()
kindstr = imghdr.what(None, data)
if kindstr not in ('jpeg', 'png'):
log.error('A file of type %s is not allowed as coverart.' % kindstr)
return
# Add art to each file.
log.debug('Embedding album art.')
for item in items:
f = mediafile.MediaFile(syspath(item.path))
f.art = data
f.save()
options = {
'autoembed': True,
}
class EmbedCoverArtPlugin(BeetsPlugin):
"""Allows albumart to be embedded into the actual files."""
def configure(self, config):
options['autoembed'] = \
ui.config_val(config, 'embedart', 'autoembed', True, bool)
def commands(self):
# Embed command.
embed_cmd = ui.Subcommand('embedart',
help='embed an image file into file metadata')
def embed_func(lib, config, opts, args):
if not args:
raise ui.UserError('specify an image file')
imagepath = normpath(args.pop(0))
embed(lib, imagepath, decargs(args))
embed_cmd.func = embed_func
# Extract command.
extract_cmd = ui.Subcommand('extractart',
help='extract an image from file metadata')
extract_cmd.parser.add_option('-o', dest='outpath',
help='image output file')
def extract_func(lib, config, opts, args):
outpath = normpath(opts.outpath or 'cover')
extract(lib, outpath, decargs(args))
extract_cmd.func = extract_func
# Clear command.
clear_cmd = ui.Subcommand('clearart',
help='remove images from file metadata')
def clear_func(lib, config, opts, args):
clear(lib, decargs(args))
clear_cmd.func = clear_func
return [embed_cmd, extract_cmd, clear_cmd]
# "embedart" command.
def embed(lib, imagepath, query):
albums = lib.albums(query)
for i_album in albums:
album = i_album
break
else:
log.error('No album matches query.')
return
log.info('Embedding album art into %s - %s.' % \
(album.albumartist, album.album))
_embed(imagepath, album.items())
# "extractart" command.
def extract(lib, outpath, query):
items = lib.items(query)
for i_item in items:
item = i_item
break
else:
log.error('No item matches query.')
return
# Extract the art.
mf = mediafile.MediaFile(syspath(item.path))
art = mf.art
if not art:
log.error('No album art present in %s - %s.' %
(item.artist, item.title))
return
# Add an extension to the filename.
ext = imghdr.what(None, h=art)
if not ext:
log.error('Unknown image type.')
return
outpath += '.' + ext
log.info('Extracting album art from: %s - %s\n'
'To: %s' % \
(item.artist, item.title, outpath))
with open(syspath(outpath), 'wb') as f:
f.write(art)
# "clearart" command.
def clear(lib, query):
log.info('Clearing album art from items:')
for item in lib.items(query):
log.info(u'%s - %s' % (item.artist, item.title))
mf = mediafile.MediaFile(syspath(item.path))
mf.art = None
mf.save()
# Automatically embed art into imported albums.
@EmbedCoverArtPlugin.listen('album_imported')
def album_imported(lib, album, config):
if album.artpath and options['autoembed']:
_embed(album.artpath, album.items())
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