old_contents: # This file is part of beets.
  # Copyright 2016, Adrian Sampson and Diego Moreda.
  #
  # 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.
  
  """Aid in submitting information to MusicBrainz.
  
  This plugin allows the user to print track information in a format that is
  parseable by the MusicBrainz track parser [1]. Programmatic submitting is not
  implemented by MusicBrainz yet.
  
  [1] https://wiki.musicbrainz.org/History:How_To_Parse_Track_Listings
  """
  
  
  from beets import ui
  from beets.autotag import Recommendation
  from beets.plugins import BeetsPlugin
  from beets.ui.commands import PromptChoice
  
  from beetsplug.info import print_data
  
  
  class MBSubmitPlugin(BeetsPlugin):
      def __init__(self):
          super().__init__()
  
          self.config.add({
              'format': '$track. $title - $artist ($length)',
              'threshold': 'medium',
          })
  
          # Validate and store threshold.
          self.threshold = self.config['threshold'].as_choice({
              'none': Recommendation.none,
              'low': Recommendation.low,
              'medium': Recommendation.medium,
              'strong': Recommendation.strong
          })
  
          self.register_listener('before_choose_candidate',
                                 self.before_choose_candidate_event)
  
      def before_choose_candidate_event(self, session, task):
          if task.rec <= self.threshold:
              return [PromptChoice('p', 'Print tracks', self.print_tracks)]
  
      def print_tracks(self, session, task):
          for i in sorted(task.items, key=lambda i: i.track):
              print_data(None, i, self.config['format'].as_str())
  
      def commands(self):
          """Add beet UI commands for mbsubmit."""
          mbsubmit_cmd = ui.Subcommand(
              'mbsubmit', help=f'Submit Tracks to MusicBrainz')
  
          def func(lib, opts, args):
              items = lib.items(ui.decargs(args))
              self._mbsubmit(items)
  
          mbsubmit_cmd.func = func
  
          return [mbsubmit_cmd]
  
      def _mbsubmit(self, items):
          """Print track information to be submitted to MusicBrainz."""
          for i in sorted(items, key=lambda i: i.track):
              print_data(None, i, self.config['format'].as_str())
  
new_contents: # This file is part of beets.
  # Copyright 2016, Adrian Sampson and Diego Moreda.
  #
  # 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.
  
  """Aid in submitting information to MusicBrainz.
  
  This plugin allows the user to print track information in a format that is
  parseable by the MusicBrainz track parser [1]. Programmatic submitting is not
  implemented by MusicBrainz yet.
  
  [1] https://wiki.musicbrainz.org/History:How_To_Parse_Track_Listings
  """
  
  
  from beets import ui
  from beets.autotag import Recommendation
  from beets.plugins import BeetsPlugin
  from beets.ui.commands import PromptChoice
  
  from beetsplug.info import print_data
  
  
  class MBSubmitPlugin(BeetsPlugin):
      def __init__(self):
          super().__init__()
  
          self.config.add({
              'format': '$track. $title - $artist ($length)',
              'threshold': 'medium',
          })
  
          # Validate and store threshold.
          self.threshold = self.config['threshold'].as_choice({
              'none': Recommendation.none,
              'low': Recommendation.low,
              'medium': Recommendation.medium,
              'strong': Recommendation.strong
          })
  
          self.register_listener('before_choose_candidate',
                                 self.before_choose_candidate_event)
  
      def before_choose_candidate_event(self, session, task):
          if task.rec <= self.threshold:
              return [PromptChoice('p', 'Print tracks', self.print_tracks)]
  
      def print_tracks(self, session, task):
          for i in sorted(task.items, key=lambda i: i.track):
              print_data(None, i, self.config['format'].as_str())
  
      def commands(self):
          """Add beet UI commands for mbsubmit."""
          mbsubmit_cmd = ui.Subcommand(
              'mbsubmit', help='Submit Tracks to MusicBrainz')
  
          def func(lib, opts, args):
              items = lib.items(ui.decargs(args))
              self._mbsubmit(items)
  
          mbsubmit_cmd.func = func
  
          return [mbsubmit_cmd]
  
      def _mbsubmit(self, items):
          """Print track information to be submitted to MusicBrainz."""
          for i in sorted(items, key=lambda i: i.track):
              print_data(None, i, self.config['format'].as_str())
  
subject: Remove f-string