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https://github.com/beetbox/beets.git
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f617d162cf
We were being sloppy about bytes output from the process. Also, it seems like the tools outputs the path also, so it's necessary to break on whitespace to actually get the key name.
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# This file is part of beets.
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# Copyright 2015, 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 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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from beets import config
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class KeyFinderPlugin(BeetsPlugin):
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def __init__(self):
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super(KeyFinderPlugin, self).__init__()
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self.config.add({
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u'bin': u'KeyFinder',
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u'auto': True,
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u'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)),
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write=config['import']['write'].get(bool))
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def imported(self, session, task):
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self.find_key(task.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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bin = util.bytestring_path(self.config['bin'].get(unicode))
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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([bin, '-f', item.path])
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except (subprocess.CalledProcessError, OSError) as exc:
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self._log.error(u'execution failed: {0}', exc)
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continue
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key_raw = output.rsplit(None, 1)[-1]
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try:
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key = key_raw.decode('utf8')
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except UnicodeDecodeError:
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self._log.error(u'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(u'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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