class GPIOControlService(ServiceUtils, RPCBlockingConsumer):
def __init__(self, rabbit_url, device_key, pin_config):
self._pins = PinManager(config_file=pin_config)
super(GPIOControlService, self).__init__(
rabbit_url=rabbit_url,
exchange='gpio_control',
routing_key=device_key,
request_action=self._perform_gpio_action)
def _perform_gpio_action(self, instruction):
try:
if instruction['action'] not in ALLOWED_ACTIONS:
return self._error("'action' must be one of: {0}".format(', '.join(ALLOWED_ACTIONS)))
except KeyError:
return self._error("'action' must be defined")
try:
return self._response(getattr(self._pins, instruction['action'])(int(instruction['pin'])))
except ValueError:
return self._error("'pin' value must be an integer")
except KeyError:
try:
return self._response(getattr(self._pins, instruction['action'])())
except Exception as e:
return self._error(e.message)
except Exception as e:
return self._error(e.message)
def stop(self):
self._pins.cleanup()
super(GPIOControlService, self).stop()
def __init__(self, rabbit_url, device_key, pin_config):
self._pins = PinManager(config_file=pin_config)
super(GPIOControlService,
self).__init__(rabbit_url=rabbit_url,
exchange='gpio_control',
routing_key=device_key,
request_action=self._perform_gpio_action)
class GPIOControlService(ServiceUtils, RPCBlockingConsumer):
def __init__(self, rabbit_url, device_key, pin_config):
self._pins = PinManager(config_file=pin_config)
super(GPIOControlService,
self).__init__(rabbit_url=rabbit_url,
exchange='gpio_control',
routing_key=device_key,
request_action=self._perform_gpio_action)
def _perform_gpio_action(self, instruction):
try:
if instruction['action'] not in ALLOWED_ACTIONS:
return self._error("'action' must be one of: {0}".format(
', '.join(ALLOWED_ACTIONS)))
except KeyError:
return self._error("'action' must be defined")
try:
return self._response(
getattr(self._pins,
instruction['action'])(int(instruction['pin'])))
except ValueError:
return self._error("'pin' value must be an integer")
except KeyError:
try:
return self._response(
getattr(self._pins, instruction['action'])())
except Exception as e:
return self._error(e.message)
except Exception as e:
return self._error(e.message)
def stop(self):
self._pins.cleanup()
super(GPIOControlService, self).stop()
def __init__(self, rabbit_url, device_key, pin_config):
self._pins = PinManager(config_file=pin_config)
super(GPIOControlService, self).__init__(
rabbit_url=rabbit_url,
exchange='gpio_control',
routing_key=device_key,
request_action=self._perform_gpio_action)