Best Python code snippet using Airtest
instruct_cmd.py
Source:instruct_cmd.py  
...89        if proxy_process:90            cmds = [proxy_process, "-u", self._udid, str(local_port), str(device_port)]91        else:92            # Port forwarding using python93            self.do_proxy_usbmux(local_port, device_port)94            return95        # Port forwarding using iproxy96        # e.g. cmds=['/usr/local/bin/iproxy', '-u', '00008020-001270842E88002E', '11565', '5001']97        proc = subprocess.Popen(98            cmds,99            stdin=subprocess.PIPE,100            stdout=subprocess.PIPE,101            stderr=subprocess.PIPE,102            creationflags=SUBPROCESS_FLAG103        )104        # something like port binding fail105        time.sleep(0.5)106        if proc.poll() is not None:107            stdout, stderr = proc.communicate()108            stdout = stdout.decode(get_std_encoding(sys.stdout))109            stderr = stderr.decode(get_std_encoding(sys.stderr))110            raise AirtestError((stdout, stderr))111        self.cleanup_handler.append(proc.kill)112    def do_proxy_usbmux(self, lport, rport):113        server = ThreadedTCPServer(("localhost", lport), TCPRelay)114        server.rport = rport115        server.device = self.usb_device116        server.bufsize = 128117        self.server = server118        self.server_thread = threading.Thread(target=self.server.serve_forever)119        self.server_thread.daemon = True120        self.server_thread.start()121        self.cleanup_handler.append(self.server.shutdown)122if __name__ == '__main__':123    ins = InstructHelper()...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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