def _run(self):
def on_command(message):
if message['$'] == 'before':
self.log_append()
if message['name'] == command_types.PAUSE:
self.set_state('paused')
if message['name'] == command_types.RESUME:
self.set_state('running')
self._reset()
_unsubscribe = self._broker.subscribe(command_types.COMMAND,
on_command)
self.startTime = now()
self.set_state('running')
try:
self.resume()
self._pre_run_hooks()
if ff.use_protocol_api_v2():
bundled_data = None
bundled_labware = None
if isinstance(self._protocol, PythonProtocol):
bundled_data = self._protocol.bundled_data
bundled_labware = self._protocol.bundled_labware
self._hardware.cache_instruments()
ctx = ProtocolContext(loop=self._loop,
broker=self._broker,
bundled_labware=bundled_labware,
bundled_data=bundled_data)
ctx.connect(self._hardware)
ctx.home()
run_protocol(self._protocol, context=ctx)
else:
self._hardware.broker = self._broker
if isinstance(self._protocol, JsonProtocol):
execute_protocol(self._protocol)
else:
exec(self._protocol.contents, {})
self.set_state('finished')
self._hardware.home()
except Exception as e:
log.exception("Exception during run:")
self.error_append(e)
self.set_state('error')
raise e
finally:
_unsubscribe()
