beets/beetsplug/keyfinder.py
Peter Kessen 3eb8008b11 added encoding as comment in files
added line like
# -*- coding: utf-8 -*-
to all files with correct license in header
2015-11-19 18:41:01 +01:00

88 lines
3 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of beets.
# Copyright 2015, Thomas Scholtes.
#
# 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.
"""Uses the `KeyFinder` program to add the `initial_key` field.
"""
from __future__ import (division, absolute_import, print_function,
unicode_literals)
import subprocess
from beets import ui
from beets import util
from beets.plugins import BeetsPlugin
class KeyFinderPlugin(BeetsPlugin):
def __init__(self):
super(KeyFinderPlugin, self).__init__()
self.config.add({
u'bin': u'KeyFinder',
u'auto': True,
u'overwrite': False,
})
if self.config['auto'].get(bool):
self.import_stages = [self.imported]
def commands(self):
cmd = ui.Subcommand('keyfinder',
help='detect and add initial key from audio')
cmd.func = self.command
return [cmd]
def command(self, lib, opts, args):
self.find_key(lib.items(ui.decargs(args)), write=ui.should_write())
def imported(self, session, task):
self.find_key(task.items)
def find_key(self, items, write=False):
overwrite = self.config['overwrite'].get(bool)
bin = util.bytestring_path(self.config['bin'].get(unicode))
for item in items:
if item['initial_key'] and not overwrite:
continue
try:
output = util.command_output([bin, b'-f',
util.syspath(item.path)])
except (subprocess.CalledProcessError, OSError) as exc:
self._log.error('execution failed: {0}', exc)
continue
except UnicodeEncodeError:
# Workaround for Python 2 Windows bug.
# http://bugs.python.org/issue1759845
self._log.error('execution failed for Unicode path: {0!r}',
item.path)
continue
key_raw = output.rsplit(None, 1)[-1]
try:
key = key_raw.decode('utf8')
except UnicodeDecodeError:
self._log.error(u'output is invalid UTF-8')
continue
item['initial_key'] = key
self._log.info(u'added computed initial key {0} for {1}',
key, util.displayable_path(item.path))
if write:
item.try_write()
item.store()