def set_program(self,
device: Device,
program: VizProgram,
transient: bool = False) -> None:
# don't allow program change on disconnected devices
if not device.initialized:
return
device.program.release()
program.use()
device.last_program = device.program
device.program = program
if not transient:
Setting.objects.filter(key=f"last_{device.name}_program").update(
value=device.last_program.name)
Setting.objects.filter(key=f"{device.name}_program").update(
value=device.program.name)
self.lights.consumers_changed()
if program.name == "Disabled":
device.clear()
def set_program(self,
device: Device,
program: LightProgram,
has_lock=False) -> None:
"""Changes the program of the given device to the given program."""
# don't allow program change on disconnected devices
if not device.initialized:
return
with optional(not has_lock, lights_lock):
if device.program == program:
# nothing to do
return
device.program.release()
# see explanation in except ScreenProgramStopped why we don't always use() here
if not (isinstance(
self.programs[storage.get("last_screen_program")],
Visualization) and isinstance(
self.programs[storage.get("screen_program")],
Visualization)):
program.use()
device.program = program
self.consumers_changed()
if program.name == "Disabled":
device.clear()
# Disable the pwr led if the ring is active.
# The pwr led ruins the clean look of a ring spectrum,
# and an active led ring is enough of an indicator that the Pi is running.
if device.name == "ring":
if program.name == "Disabled":
leds.enable_pwr_led()
else:
leds.disable_pwr_led()
def _handle_brightness_request(self, device: Device,
request: WSGIRequest) -> None:
# raises ValueError on wrong input, caught in option decorator
value = float(request.POST.get("value")) # type: ignore
device.brightness = value
def _handle_monochrome_request(self, device: Device,
request: WSGIRequest) -> None:
# raises ValueError on wrong input, caught in option decorator
enabled = request.POST.get("value") == "true" # type: ignore
device.monochrome = enabled