def _call_handler_filter(self, request, response, filter_chain):
try:
response = self._format_response(self._call_handler(request))
return self._call_next_filter(request, response, filter_chain)
except pykka.ActorDeadError as e:
logger.warning("Tried to communicate with dead actor.")
raise exceptions.MpdSystemError(e)
def volume(context, change):
"""
*musicpd.org, playback section:*
``volume {CHANGE}``
Changes volume by amount ``CHANGE``.
Note: ``volume`` is deprecated, use ``setvol`` instead.
"""
if change < -100 or change > 100:
raise exceptions.MpdArgError("Invalid volume value")
old_volume = context.core.mixer.get_volume().get()
if old_volume is None:
raise exceptions.MpdSystemError("problems setting volume")
new_volume = min(max(0, old_volume + change), 100)
success = context.core.mixer.set_volume(new_volume).get()
if not success:
raise exceptions.MpdSystemError("problems setting volume")
def disableoutput(context, outputid):
"""
*musicpd.org, audio output section:*
``disableoutput {ID}``
Turns an output off.
"""
if outputid == 0:
success = context.core.mixer.set_mute(False).get()
if not success:
raise exceptions.MpdSystemError("problems disabling output")
else:
raise exceptions.MpdNoExistError("No such audio output")
def toggleoutput(context, outputid):
"""
*musicpd.org, audio output section:*
``toggleoutput {ID}``
Turns an output on or off, depending on the current state.
"""
if outputid == 0:
mute_status = context.core.mixer.get_mute().get()
success = context.core.mixer.set_mute(not mute_status)
if not success:
raise exceptions.MpdSystemError("problems toggling output")
else:
raise exceptions.MpdNoExistError("No such audio output")
def setvol(context, volume):
"""
*musicpd.org, playback section:*
``setvol {VOL}``
Sets volume to ``VOL``, the range of volume is 0-100.
*Droid MPD:*
- issues ``setvol 50`` without quotes around the argument.
"""
# NOTE: we use INT as clients can pass in +N etc.
value = min(max(0, volume), 100)
success = context.core.mixer.set_volume(value).get()
if not success:
raise exceptions.MpdSystemError("problems setting volume")