def status(mpd):
"""An endpoint for poll-based player status updates.
:param current: The timestamp in seconds of the last time the client got a playlist update.
Useful for minimizing responses so that the entire party queue isn't being shuffled around
every time an update is requested.
:type current: float or string
:returns: A structure containing the current MPD status. Contains the ``global_queue``,
``user_queue``, and ``last_global_playlist_update`` keys if ``current`` was not specified
or was before the time of the last playlist update.
:rtype: JSON string
"""
client_current = request.args.get('current', None)
if client_current is not None:
client_current = float(client_current)
response = _get_status(mpd)
playlist_last_updated = ipc.get_time('playlist')
if client_current is None or client_current < playlist_last_updated:
response['global_queue'] = get_global_queue()
response['user_queue'] = get_user_queue(session['user']['id'])
response['last_global_playlist_update'] = playlist_last_updated
else:
if response['state'] == 'play':
del response['elapsed']
return jsonify(response)
def on_playlist_update(mpd):
"""The subprocess that continuously IDLEs against the Mopidy server and ensures playlist consistency on playlist update."""
while True:
changed = mpd.idle()
app.logger.debug("Received change event from Mopidy: %s" % changed)
if 'playlist' in changed:
_ensure_mpd_playlist_consistency(mpd)
if 'options' in changed:
_ensure_mpd_player_state_consistency(mpd)
# Update the dict which assists caching
for changed_system in changed:
ipc.update_time('playlist', time.time())
app.logger.debug(ipc.get_time('playlist'))
def status(mpd):
"""An endpoint for poll-based player status updates."""
client_current = request.args.get('current', None)
if client_current is not None:
client_current = float(client_current)
response = _get_status(mpd)
playlist_last_updated = ipc.get_time('playlist')
if client_current is None or client_current < playlist_last_updated:
response['global_queue'] = get_global_queue()
response['user_queue'] = get_user_queue(session['user']['id'])
response['last_global_playlist_update'] = playlist_last_updated
else:
del response['elapsed']
return jsonify(response)
