Update vendored beets to 1.6.0

Updates colorama to 0.4.6
Adds confuse version 1.7.0
Updates jellyfish to 0.9.0
Adds mediafile 0.10.1
Updates munkres to 1.1.4
Updates musicbrainzngs to 0.7.1
Updates mutagen to 1.46.0
Updates pyyaml to 6.0
Updates unidecode to 1.3.6

libs/common/beetsplug/play.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # This file is part of beets.
 # Copyright 2016, David Hamp-Gonsalves
 #
@@ -15,7 +14,6 @@
 
 """Send the results of a query to the configured music player as a playlist.
 """
-from __future__ import division, absolute_import, print_function
 
 from beets.plugins import BeetsPlugin
 from beets.ui import Subcommand
@@ -26,6 +24,7 @@ from beets import util
 from os.path import relpath
 from tempfile import NamedTemporaryFile
 import subprocess
+import shlex
 
 # Indicate where arguments should be inserted into the command string.
 # If this is missing, they're placed at the end.
@@ -39,25 +38,25 @@ def play(command_str, selection, paths, open_args, log, item_type='track',
     """
     # Print number of tracks or albums to be played, log command to be run.
     item_type += 's' if len(selection) > 1 else ''
-    ui.print_(u'Playing {0} {1}.'.format(len(selection), item_type))
-    log.debug(u'executing command: {} {!r}', command_str, open_args)
+    ui.print_('Playing {} {}.'.format(len(selection), item_type))
+    log.debug('executing command: {} {!r}', command_str, open_args)
 
     try:
         if keep_open:
-            command = util.shlex_split(command_str)
+            command = shlex.split(command_str)
             command = command + open_args
             subprocess.call(command)
         else:
             util.interactive_open(open_args, command_str)
     except OSError as exc:
         raise ui.UserError(
-            "Could not play the query: {0}".format(exc))
+            f"Could not play the query: {exc}")
 
 
 class PlayPlugin(BeetsPlugin):
 
     def __init__(self):
-        super(PlayPlugin, self).__init__()
+        super().__init__()
 
         config['play'].add({
             'command': None,
@@ -65,6 +64,7 @@ class PlayPlugin(BeetsPlugin):
             'relative_to': None,
             'raw': False,
             'warning_threshold': 100,
+            'bom': False,
         })
 
         self.register_listener('before_choose_candidate',
@@ -73,18 +73,18 @@ class PlayPlugin(BeetsPlugin):
     def commands(self):
         play_command = Subcommand(
             'play',
-            help=u'send music to a player as a playlist'
+            help='send music to a player as a playlist'
         )
         play_command.parser.add_album_option()
         play_command.parser.add_option(
-            u'-A', u'--args',
+            '-A', '--args',
             action='store',
-            help=u'add additional arguments to the command',
+            help='add additional arguments to the command',
         )
         play_command.parser.add_option(
-            u'-y', u'--yes',
+            '-y', '--yes',
             action="store_true",
-            help=u'skip the warning threshold',
+            help='skip the warning threshold',
         )
         play_command.func = self._play_command
         return [play_command]
@@ -123,7 +123,7 @@ class PlayPlugin(BeetsPlugin):
 
         if not selection:
             ui.print_(ui.colorize('text_warning',
-                                  u'No {0} to play.'.format(item_type)))
+                                  f'No {item_type} to play.'))
             return
 
         open_args = self._playlist_or_paths(paths)
@@ -147,7 +147,7 @@ class PlayPlugin(BeetsPlugin):
             if ARGS_MARKER in command_str:
                 return command_str.replace(ARGS_MARKER, args)
             else:
-                return u"{} {}".format(command_str, args)
+                return f"{command_str} {args}"
         else:
             # Don't include the marker in the command.
             return command_str.replace(" " + ARGS_MARKER, "")
@@ -174,10 +174,10 @@ class PlayPlugin(BeetsPlugin):
 
             ui.print_(ui.colorize(
                 'text_warning',
-                u'You are about to queue {0} {1}.'.format(
+                'You are about to queue {} {}.'.format(
                     len(selection), item_type)))
 
-            if ui.input_options((u'Continue', u'Abort')) == 'a':
+            if ui.input_options(('Continue', 'Abort')) == 'a':
                 return True
 
         return False
@@ -185,7 +185,12 @@ class PlayPlugin(BeetsPlugin):
     def _create_tmp_playlist(self, paths_list):
         """Create a temporary .m3u file. Return the filename.
         """
+        utf8_bom = config['play']['bom'].get(bool)
         m3u = NamedTemporaryFile('wb', suffix='.m3u', delete=False)
+
+        if utf8_bom:
+            m3u.write(b'\xEF\xBB\xBF')
+
         for item in paths_list:
             m3u.write(item + b'\n')
         m3u.close()