How to use _start_async method in localstack

Best Python code snippet using localstack_python

robot.py

Source:robot.py

...67	def theta(self):68		return self.pose.theta69	#end def70		71	def _start_async(self):72		if self._thread != None:73			return74		self._thread = threading.Thread(target=self._async_publish)75		self._async = True76		self._thread.start()77	#end def78	79	def _join_async(self):80		if self._thread == None:81			return82		self._async = False83		self._thread.join(1000)84		self._thread = None85	#end def86	def _async_publish(self):87		while(self._async):88			self.velocity_publisher.publish(self.speed)89			self.rate.sleep()90	#end def91	def _pose_callback(self, pose):92		self.pose = pose93		self.pose.x = round(self.pose.x, 4)94		self.pose.y = round(self.pose.y, 4)95		# print '\tturtle: ({:0.4f}, {:0.4f}, {:0.4f})'.format(self.pose.x, self.pose.y, self.pose.theta)96	#end def97	def stop(self):98		self._join_async()99		self.speed.linear.x=0100		self.speed.linear.y=0101		self.speed.linear.z=0102		self.speed.angular.x = 0103		self.speed.angular.y = 0104		self.speed.angular.z = 0105		self.velocity_publisher.publish(self.speed)106	#end def107	def advance(self, speed=LINEAR_SPEED):108		self.speed.angular.z = 0109		self.speed.linear.x = speed110		# self.velocity_publisher.publish(self.speed)111		self._start_async()112	#end def113	def spin(self, speed=ANGULAR_SPEED):114		#Converting from degrees to radians115		speed = 10*speed*PI/180.0116		self.speed.angular.z = speed117		self.speed.linear.x = 0118		# self.velocity_publisher.publish(self.speed)119		self._start_async()120	#end def121		122	def turn(self, speed=ANGULAR_SPEED):123		self.rotate(180, speed)124	#end def125	def rotate(self, degrees, speed=ANGULAR_SPEED):126		self._join_async()127		#Converting from degrees to radians128		speed = 10*speed*PI/180.0129		angle = self.pose.theta + degrees*PI/180.0130		step = abs(speed * 1.0/self._rate)131		diff = angle - self.pose.theta132		self.speed.angular.z = math.copysign(speed, diff)133		i = 0134		while(abs(diff) > 0.01 ):135			if i > 200: return136			i+=1137			diff = angle - self.pose.theta138			if abs(diff) < step:139				self.speed.angular.z = speed * diff/step140			self.velocity_publisher.publish(self.speed)141			self.rate.sleep()142		self.stop()143	#end def144	def step(self):145		self._join_async()146		self.speed.linear.x = LINEAR_SPEED147		self.velocity_publisher.publish(self.speed)148		for i in range(1, self._rate):149			self.rate.sleep()150		self.stop()151	#end def152	def circle(self, linear=LINEAR_SPEED, angular=ANGULAR_SPEED):153		self.speed.linear.x = linear154		self.speed.angular.z = 10*angular*PI/180.0155		self.velocity_publisher.publish(self.speed)156		self._start_async()157	#end def158	def idle(self):159		self.rate.sleep()160	#end def161#end class162if __name__ == '__main__':163	robot = Robot()164	robot.rotate(90)165	robot.rotate(-90)166	robot.turn()167	robot.step()168	robot.spin()169	time.sleep(5)170	robot.circle()...

aio_manager.py

Source:aio_manager.py

...3class AioManager:4    AIOSESSION = None5    @classmethod6    def start(cls, func, **kwargs):7        asyncio.run(cls._start_async(func, **kwargs))8    @classmethod9    async def _start_async(cls, func, **kwargs):10        try:11            cls.AIOSESSION = aiohttp.ClientSession(raise_for_status=True)12            await func(**kwargs)13        finally:14            if cls.AIOSESSION:...

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