text: #!/usr/bin/env python
  
  import argparse, json, gi, subprocess
  
  parser = argparse.ArgumentParser(description='Dynamic eww mpris generator')
  parser.add_argument('--box', type=str, default='@out@/share/eww-mpris/box.yuck',
                      help='Path to eww box template in yuck')
  parser.add_argument('--button', type=str, default='@out@/share/eww-mpris/button.yuck',
                      help='Path to eww button template in yuck')
  
  args = parser.parse_args()
  
  gi.require_version('Playerctl', '2.0')
  from gi.repository import Playerctl, GLib
  
  manager = Playerctl.PlayerManager()
  
  ICON_MAP = {
      "default": " ",
      "firefox": " ",
      "spotify": " "
  }
  
  with open(args.box, 'r') as f:
      box = f.read()
      f.close()
  
  with open(args.button, 'r') as f:
      button = f.read()
      f.close()
  
  
  def is_within_metadata(metadata, title, artist, status, value):
      if (status not in metadata):
          if (title not in metadata):
              if (artist not in metadata):
                  if (value not in metadata):
                      return False
      return True
  
  
  def is_equal_metadata(metadata, title, artist, status, value):
      if (status == metadata["status"]):
          if (title == metadata["title"]):
              if (artist == metadata["artist"]):
                  if (value == metadata["value"]):
                      return True
      return False
  
  
  class Mpris:
  
      def __init__(self):
          self.players = {}
  
      def lazy_player_update(self, player, final_metadata):
          player_name = player.props.player_name
          status = final_metadata["status"]
          title = final_metadata["title"]
          artist = final_metadata["artist"]
          value = final_metadata["value"]
  
          if player_name in self.players:
              prev_metadata = self.players[player_name]
              if is_within_metadata(prev_metadata, title, artist, status, value):
                  if is_equal_metadata(prev_metadata, title, artist, status, value):
                      return
  
          self.players[player_name].update(final_metadata)
          self.on_track_change()
  
      def format_artist(self, player):
          if player["artist"] != "":
              if player["title"].find(player["artist"]) == -1:
                  return ", by {}".format(player["artist"])
          return ""
  
      def init_player(self, name):
          if name.name != "":
              self.players[name.name] = {
                  "title": "",
                  "artist": "",
                  "status": "",
                  "value": ""
              }
              player = Playerctl.Player.new_from_name(name)
              player.connect(
                  'playback-status::playing', self.on_playback_status, manager)
              player.connect(
                  'playback-status::paused', self.on_playback_status, manager)
              player.connect(
                  'playback-status::stop', self.on_playback_status, manager)
              player.connect(
                  'metadata', self.on_metadata, manager)
              manager.manage_player(player)
  
      def on_playback_status(self, player, status, manager):
          player_name = player.props.player_name
          title = (player.get_title()).replace("'", "\'").replace("\"", "\\\"")
          artist = (player.get_artist()).replace("'", "\'").replace("\"", "\\\"")
          status_name = player.props.status.lower()
  
          final_metadata = {
              "title": title,
              "artist": artist,
              "status": status_name
          }
  
          final_metadata.update({
              "value": button.format(
                  status = status_name,
                  player = player_name,
                  icon = ICON_MAP[player_name] if player_name in ICON_MAP.keys() else ICON_MAP["default"],
                  title = title,
                  artist = self.format_artist(final_metadata)
              )
          })
  
          self.lazy_player_update(player, final_metadata)
  
      def on_track_change(self):
          subprocess.check_output([
              "eww",
              "update",
              "mpris={}".format(box.format(
                  button = " ".join([item[1]["value"] for item in self.players.items()])))
          ])
  
      def on_metadata(self, player, metadata, manager):
          keys = metadata.keys()
  
          player_name = player.props.player_name
          title = (metadata['xesam:title'] if 'xesam:title' in keys else "").replace("'", "\'").replace("\"", "\\\"")
          artist = (metadata['xesam:artist'][0] if 'xesam:artist' in keys else "").replace("'", "\'").replace("\"", "\\\"")
          status = player.props.status.lower()
  
          final_metadata = {
              "title": title,
              "artist": artist,
              "status": status
          }
  
          final_metadata.update({
              "value": button.format(
                  status = status,
                  player = player_name,
                  icon = ICON_MAP[player_name] if player_name in ICON_MAP.keys() else ICON_MAP["default"],
                  title = title,
                  artist = self.format_artist(final_metadata)
              )
          })
  
          self.lazy_player_update(player, final_metadata)
  
      def on_name_appeared(self, manager, name):
          self.init_player(name)
  
      def on_player_vanished(self, manager, player):
          self.players.pop(player.props.player_name)
          self.on_track_change()
  
  
  mpris = Mpris()
  
  manager.connect('name-appeared', mpris.on_name_appeared)
  manager.connect('player-vanished', mpris.on_player_vanished)
  
  for name in manager.props.player_names:
      mpris.init_player(name)
  
  main = GLib.MainLoop()
  main.run()
  