mirror of
https://github.com/beetbox/beets.git
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97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
# This file is part of beets.
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# Copyright 2016, Thomas Scholtes.
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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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"""Uses the `KeyFinder` program to add the `initial_key` field.
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"""
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import os.path
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import subprocess
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from beets import ui
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from beets import util
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from beets.plugins import BeetsPlugin
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class KeyFinderPlugin(BeetsPlugin):
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def __init__(self):
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super().__init__()
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self.config.add({
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'bin': 'KeyFinder',
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'auto': True,
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'overwrite': False,
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})
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if self.config['auto'].get(bool):
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self.import_stages = [self.imported]
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def commands(self):
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cmd = ui.Subcommand('keyfinder',
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help='detect and add initial key from audio')
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cmd.func = self.command
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return [cmd]
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def command(self, lib, opts, args):
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self.find_key(lib.items(ui.decargs(args)), write=ui.should_write())
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def imported(self, session, task):
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self.find_key(task.imported_items())
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def find_key(self, items, write=False):
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overwrite = self.config['overwrite'].get(bool)
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command = [self.config['bin'].as_str()]
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# The KeyFinder GUI program needs the -f flag before the path.
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# keyfinder-cli is similar, but just wants the path with no flag.
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if 'keyfinder-cli' not in os.path.basename(command[0]).lower():
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command.append('-f')
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for item in items:
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if item['initial_key'] and not overwrite:
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continue
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try:
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output = util.command_output(command + [util.syspath(
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item.path)]).stdout
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except (subprocess.CalledProcessError, OSError) as exc:
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self._log.error('execution failed: {0}', exc)
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continue
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except UnicodeEncodeError:
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# Workaround for Python 2 Windows bug.
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# https://bugs.python.org/issue1759845
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self._log.error('execution failed for Unicode path: {0!r}',
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item.path)
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continue
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try:
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key_raw = output.rsplit(None, 1)[-1]
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except IndexError:
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# Sometimes keyfinder-cli returns 0 but with no key, usually
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# when the file is silent or corrupt, so we log and skip.
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self._log.error('no key returned for path: {0}', item.path)
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continue
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try:
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key = util.text_string(key_raw)
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except UnicodeDecodeError:
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self._log.error('output is invalid UTF-8')
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continue
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item['initial_key'] = key
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self._log.info('added computed initial key {0} for {1}',
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key, util.displayable_path(item.path))
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if write:
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item.try_write()
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item.store()
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