old_contents: # This file is part of beets.
  # Copyright 2013, Philippe Mongeau.
  #
  # 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.
  
  """Like beet list, but with fuzzy matching
  """
  from beets.plugins import BeetsPlugin
  from beets.ui import Subcommand, decargs, print_obj
  from beets.util.functemplate import Template
  from beets import config
  import difflib
  
  
  def fuzzy_score(queryMatcher, item):
      queryMatcher.set_seq1(item)
      return queryMatcher.quick_ratio()
  
  
  def is_match(queryMatcher, item, album=False, verbose=False, threshold=0.7):
      if album:
          values = [item.albumartist, item.album]
      else:
          values = [item.artist, item.album, item.title]
  
      s = max(fuzzy_score(queryMatcher, i.lower()) for i in values)
      if verbose:
          return (s >= threshold, s)
      else:
          return s >= threshold
  
  
  def fuzzy_list(lib, opts, args):
      query = decargs(args)
      query = ' '.join(query).lower()
      queryMatcher = difflib.SequenceMatcher(b=query)
  
      if opts.threshold is not None:
          threshold = float(opts.threshold)
      else:
          threshold = config['fuzzy']['threshold'].as_number()
  
      if opts.path:
          fmt = '$path'
      else:
          fmt = opts.format
      template = Template(fmt) if fmt else None
  
      if opts.album:
          objs = lib.albums()
      else:
          objs = lib.items()
  
      items = filter(lambda i: is_match(queryMatcher, i, album=opts.album,
                                        threshold=threshold), objs)
  
      for item in items:
          print_obj(item, lib, template)
          if opts.verbose:
              print(is_match(queryMatcher, item,
                             album=opts.album, verbose=True)[1])
  
  
  fuzzy_cmd = Subcommand('fuzzy',
                          help='list items using fuzzy matching')
  fuzzy_cmd.parser.add_option('-a', '--album', action='store_true',
          help='choose an album instead of track')
  fuzzy_cmd.parser.add_option('-p', '--path', action='store_true',
          help='print the path of the matched item')
  fuzzy_cmd.parser.add_option('-f', '--format', action='store',
          help='print with custom format', default=None)
  fuzzy_cmd.parser.add_option('-v', '--verbose', action='store_true',
          help='output scores for matches')
  fuzzy_cmd.parser.add_option('-t', '--threshold', action='store',
          help='return result with a fuzzy score above threshold. \
                (default is 0.7)', default=None)
  fuzzy_cmd.func = fuzzy_list
  
  
  class Fuzzy(BeetsPlugin):
      def __init__(self):
          super(Fuzzy, self).__init__()
          self.config.add({
              'threshold': 0.7,
          })
  
      def commands(self):
          return [fuzzy_cmd]
  
new_contents: # This file is part of beets.
  # Copyright 2013, Philippe Mongeau.
  #
  # 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.
  
  """Like beet list, but with fuzzy matching
  """
  
  from beets.plugins import BeetsPlugin
  from beets.library import PluginQuery
  from beets.ui import Subcommand, decargs, print_obj
  from beets import config
  from beets import util
  import difflib
  
  class FuzzyQuery(PluginQuery):
      def __init__(self, field, pattern):
          super(FuzzyQuery, self).__init__(field, pattern)
          # self.field = field
          self.name = 'PLUGIN'
          self.prefix = "~"
  
      def match(self, pattern, val):
          if pattern is None:
              return False
          val = util.as_string(val)
          queryMatcher = difflib.SequenceMatcher(None, pattern, val)
          return queryMatcher.quick_ratio() > 0.7
  
  
  class FuzzyPlugin(BeetsPlugin):
      def __init__(self):
          super(FuzzyPlugin, self).__init__(self)
  
      def queries(self):
          return [FuzzyQuery]
  
subject: make fuzzy use PluginQuery instead of a subcommand