old_contents: import threading
  import ipdb
  import connection
  import logging
  
  LOGGER = logging.getLogger(__name__)
  
  
  
  class NewtonSimulator(threading.Thread):
  	firmware_version = 6.12
  	serial_number = '-'.join(['00'] * 16)
  	def __init__(self, serial_connection=None):
  		super(NewtonSimulator, self).__init__()
  		if serial_connection is None:
  			serial_connection = connection.NewtonSerialConnection()
  		self.serial_connection = serial_connection
  		self.protocol = None
  		self.profiles = None
  		self.reload = False
  		self.init()
  
  	def do_reload(self):
  		self.reload = False
  		reload(connection)
  		self.init()
  
  	def init(self):
  		self.profiles = connection.NewtonProfile.from_binary_get_profile_result(INITIAL_PROFILE)
  		self.rides = [connection.NewtonRide.from_binary(INITIAL_RIDE)]
  		self.protocol = connection.NewtonSerialProtocol(self.serial_connection)
  
  	def run(self):
  		last_identifier = 0x09 # skip first firmware
  		with self.serial_connection:
  			while True:
  				if self.reload:
  					self.do_reload()
  					break
  				message = self.protocol.read_message()
  				identifier = ord(message[0])
  				data = message[1:]
  				command = connection.NewtonCommand.MAP[identifier].parse(data)
  				if (identifier, last_identifier) in [(0x09, 0x0e), (0x0e, 0x09)]:
  					log = LOGGER.debug
  					last_identifier = identifier
  				else:
  					log = LOGGER.info
  				log("<- %r", command)
  				response = command.get_response(self)
  				log("-> %r", str(response)[:200])
  				self.protocol.write_message(response)
  
  if __name__ == '__main__':
  	logging.basicConfig(level=logging.INFO)
  	sim = NewtonSimulator()
  	sim.setDaemon(True)
  	sim.start()
  	ipdb.set_trace()
  
new_contents: import threading
  import ipdb
  import connection
  import logging
  
  LOGGER = logging.getLogger(__name__)
  
  
  ORIGINAL_RIDE = open('ride_data_0', 'r').read()
  #INITIAL_RIDE = ORIGINAL_RIDE[:82+15*8] + ORIGINAL_RIDE[-15:]
  INITIAL_RIDE = ORIGINAL_RIDE
  
  class NewtonSimulator(threading.Thread):
  	firmware_version = 6.12
  	serial_number = '-'.join(['00'] * 16)
  	def __init__(self, serial_connection=None):
  		super(NewtonSimulator, self).__init__()
  		if serial_connection is None:
  			serial_connection = connection.NewtonSerialConnection()
  		self.serial_connection = serial_connection
  		self.protocol = None
  		self.profiles = None
  		self.reload = False
  		self.init()
  
  	def do_reload(self):
  		self.reload = False
  		reload(connection)
  		self.init()
  
  	def init(self):
  		self.profiles = connection.NewtonProfile.from_binary_get_profile_result(INITIAL_PROFILE)
  		self.rides = [connection.NewtonRide.from_binary(INITIAL_RIDE)]
  		self.protocol = connection.NewtonSerialProtocol(self.serial_connection)
  
  	def run(self):
  		last_identifier = 0x09 # skip first firmware
  		with self.serial_connection:
  			while True:
  				if self.reload:
  					self.do_reload()
  					break
  				message = self.protocol.read_message()
  				identifier = ord(message[0])
  				data = message[1:]
  				command = connection.NewtonCommand.MAP[identifier].parse(data)
  				if (identifier, last_identifier) in [(0x09, 0x0e), (0x0e, 0x09)]:
  					log = LOGGER.debug
  					last_identifier = identifier
  				else:
  					log = LOGGER.info
  				log("<- %r", command)
  				response = command.get_response(self)
  				log("-> %r", str(response)[:200])
  				self.protocol.write_message(response)
  
  if __name__ == '__main__':
  	logging.basicConfig(level=logging.INFO)
  	sim = NewtonSimulator()
  	sim.setDaemon(True)
  	sim.start()
  	ipdb.set_trace()
  
subject: load ride from file