def get(self, action):
if action == 'start':
SESSION.web_playing_start(RecordingPlay.stop_callback)
self.write(True)
return
if action == 'wait':
if RecordingPlay.waiting_request is not None:
RecordingPlay.stop_callback()
RecordingPlay.waiting_request = self
return
if action == 'stop':
SESSION.web_playing_stop()
self.write(True)
return
raise web.HTTPError(404)
