beets/beetsplug/scrub.py
Adrian Sampson 9920cc482c add "scrub" plugin (#280)
--HG--
rename : beetsplug/embedart.py => beetsplug/scrub.py
rename : docs/plugins/embedart.rst => docs/plugins/scrub.rst
2012-01-02 14:03:28 -08:00

83 lines
2.7 KiB
Python
Executable file

# 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.
"""Cleans extraneous metadata from files' tags via a command or
automatically whenever tags are written.
"""
from __future__ import with_statement
import logging
from beets.plugins import BeetsPlugin
from beets import ui
from beets import mediafile
from beets import util
log = logging.getLogger('beets')
AUTOSCRUB_KEY = 'autoscrub'
scrubbing = False
options = {
AUTOSCRUB_KEY: True,
}
class ScrubPlugin(BeetsPlugin):
"""Removes extraneous metadata from files' tags."""
def configure(self, config):
options[AUTOSCRUB_KEY] = \
ui.config_val(config, 'scrub', AUTOSCRUB_KEY, True, bool)
def commands(self):
def scrub_func(lib, config, opts, args):
# This is a little bit hacky, but we set a global flag to
# avoid autoscrubbing when we're also explicitly scrubbing.
global scrubbing
scrubbing = True
# Walk through matching files and remove tags.
for item in lib.items(ui.decargs(args)):
log.info(u'scrubbing: %s' % util.displayable_path(item.path))
mf = mediafile.MediaFile(item.path)
_scrub(mf)
mf.save()
if opts.write:
log.debug(u'writing new tags after scrub')
item.write()
scrubbing = False
scrub_cmd = ui.Subcommand('scrub', help='clean audio tags')
scrub_cmd.parser.add_option('-W', '--nowrite', dest='write',
action='store_false', default=True,
help='leave tags empty')
scrub_cmd.func = scrub_func
return [scrub_cmd]
def _scrub(mf):
"""Remove all tags from a MediaFile by manipulating the underlying
Mutagen object.
"""
mf.mgfile.delete()
# Reinitialize the MediaFile: also a little hacky.
mf.__init__(mf.path)
# Automatically embed art into imported albums.
@ScrubPlugin.listen('write')
def write_item(item, mf):
if not scrubbing and options[AUTOSCRUB_KEY]:
log.debug(u'auto-scrubbing %s' % util.displayable_path(item.path))
_scrub(mf)