mirror of
https://github.com/beetbox/beets.git
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230 lines
8.8 KiB
Python
230 lines
8.8 KiB
Python
# This file is part of beets.
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# Copyright 2016, Adrian Sampson.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Allows beets to embed album art into file metadata."""
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import os.path
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from io import BytesIO
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import requests
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from beets import art, config, ui
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from beets.plugins import BeetsPlugin
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from beets.ui import decargs, print_
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from beets.util import bytestring_path, displayable_path, normpath, syspath
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from beets.util.artresizer import ArtResizer
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def _confirm(objs, album):
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"""Show the list of affected objects (items or albums) and confirm
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that the user wants to modify their artwork.
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`album` is a Boolean indicating whether these are albums (as opposed
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to items).
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"""
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noun = 'album' if album else 'file'
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prompt = 'Modify artwork for {} {}{} (Y/n)?'.format(
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len(objs),
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noun,
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's' if len(objs) > 1 else ''
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)
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# Show all the items or albums.
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for obj in objs:
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print_(format(obj))
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# Confirm with user.
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return ui.input_yn(prompt)
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class EmbedCoverArtPlugin(BeetsPlugin):
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"""Allows albumart to be embedded into the actual files.
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"""
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def __init__(self):
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super().__init__()
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self.config.add({
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'maxwidth': 0,
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'auto': True,
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'compare_threshold': 0,
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'ifempty': False,
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'remove_art_file': False,
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'quality': 0,
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})
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if self.config['maxwidth'].get(int) and not ArtResizer.shared.local:
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self.config['maxwidth'] = 0
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self._log.warning("ImageMagick or PIL not found; "
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"'maxwidth' option ignored")
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if self.config['compare_threshold'].get(int) and not \
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ArtResizer.shared.can_compare:
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self.config['compare_threshold'] = 0
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self._log.warning("ImageMagick 6.8.7 or higher not installed; "
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"'compare_threshold' option ignored")
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self.register_listener('art_set', self.process_album)
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def commands(self):
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# Embed command.
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embed_cmd = ui.Subcommand('embedart',
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help='embed image files into file metadata')
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embed_cmd.parser.add_option('-f', '--file', metavar='PATH',
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help='the image file to embed')
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embed_cmd.parser.add_option("-y", "--yes", action="store_true",
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help="skip confirmation")
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embed_cmd.parser.add_option('-u', '--url', metavar='URL',
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help='the URL of the image file to embed')
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maxwidth = self.config['maxwidth'].get(int)
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quality = self.config['quality'].get(int)
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compare_threshold = self.config['compare_threshold'].get(int)
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ifempty = self.config['ifempty'].get(bool)
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def embed_func(lib, opts, args):
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if opts.file:
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imagepath = normpath(opts.file)
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if not os.path.isfile(syspath(imagepath)):
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raise ui.UserError('image file {} not found'.format(
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displayable_path(imagepath)
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))
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items = lib.items(decargs(args))
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# Confirm with user.
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if not opts.yes and not _confirm(items, not opts.file):
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return
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for item in items:
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art.embed_item(self._log, item, imagepath, maxwidth,
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None, compare_threshold, ifempty,
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quality=quality)
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elif opts.url:
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from PIL import Image
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try:
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response = requests.get(opts.url, timeout=5)
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response.raise_for_status()
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except requests.exceptions.RequestException as e:
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self._log.error("Error: {}".format(e))
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return
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try:
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img = Image.open(BytesIO(response.content))
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except OSError as e:
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self._log.error("Error: {}".format(e))
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return
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if img.format:
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img.save('temp.jpg', format='JPEG')
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tempimg = 'temp.jpg'
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items = lib.items(decargs(args))
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# Confirm with user.
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if not opts.yes and not _confirm(items, not opts.url):
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return
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for item in items:
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art.embed_item(self._log, item, tempimg, maxwidth,
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None, compare_threshold, ifempty,
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quality=quality)
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os.remove(tempimg)
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else:
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self._log.error('Invalid image file')
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return
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else:
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albums = lib.albums(decargs(args))
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# Confirm with user.
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if not opts.yes and not _confirm(albums, not opts.file):
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return
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for album in albums:
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art.embed_album(self._log, album, maxwidth,
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False, compare_threshold, ifempty,
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quality=quality)
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self.remove_artfile(album)
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embed_cmd.func = embed_func
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# Extract command.
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extract_cmd = ui.Subcommand(
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'extractart',
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help='extract an image from file metadata',
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)
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extract_cmd.parser.add_option(
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'-o', dest='outpath',
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help='image output file',
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)
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extract_cmd.parser.add_option(
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'-n', dest='filename',
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help='image filename to create for all matched albums',
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)
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extract_cmd.parser.add_option(
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'-a', dest='associate', action='store_true',
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help='associate the extracted images with the album',
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)
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def extract_func(lib, opts, args):
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if opts.outpath:
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art.extract_first(self._log, normpath(opts.outpath),
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lib.items(decargs(args)))
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else:
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filename = bytestring_path(opts.filename or
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config['art_filename'].get())
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if os.path.dirname(filename) != b'':
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self._log.error(
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"Only specify a name rather than a path for -n")
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return
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for album in lib.albums(decargs(args)):
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artpath = normpath(os.path.join(album.path, filename))
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artpath = art.extract_first(self._log, artpath,
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album.items())
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if artpath and opts.associate:
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album.set_art(artpath)
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album.store()
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extract_cmd.func = extract_func
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# Clear command.
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clear_cmd = ui.Subcommand(
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'clearart',
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help='remove images from file metadata',
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)
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clear_cmd.parser.add_option(
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"-y", "--yes", action="store_true", help="skip confirmation"
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)
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def clear_func(lib, opts, args):
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items = lib.items(decargs(args))
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# Confirm with user.
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if not opts.yes and not _confirm(items, False):
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return
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art.clear(self._log, lib, decargs(args))
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clear_cmd.func = clear_func
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return [embed_cmd, extract_cmd, clear_cmd]
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def process_album(self, album):
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"""Automatically embed art after art has been set
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"""
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if self.config['auto'] and ui.should_write():
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max_width = self.config['maxwidth'].get(int)
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art.embed_album(self._log, album, max_width, True,
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self.config['compare_threshold'].get(int),
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self.config['ifempty'].get(bool))
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self.remove_artfile(album)
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def remove_artfile(self, album):
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"""Possibly delete the album art file for an album (if the
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appropriate configuration option is enabled).
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"""
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if self.config['remove_art_file'] and album.artpath:
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if os.path.isfile(album.artpath):
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self._log.debug('Removing album art file for {0}', album)
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os.remove(album.artpath)
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album.artpath = None
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album.store()
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