How to use set_target_command method in autotest

Best Python code snippet using autotest_python

service.py

Source:service.py

...224        def list_command(service_name):225            return ["chkconfig", "--list"]226        return list_command227    elif command == "set_target":228        def set_target_command(target):229            target = convert_systemd_target_to_runlevel(target)230            return ["telinit", target]231        return set_target_command232    def method(service_name):233        return [command_name, service_name, command]234    return method235def systemd_command_generator(command):236    """237    Generate list of command line argument strings for systemctl.238    One argument per string for compatibility Popen239    WARNING: If systemctl detects that it is running on a tty it will use color,240    pipe to $PAGER, change column sizes and not truncate unit names.241    Use --no-pager to suppress pager output, or set PAGER=cat in the environment.242    You may need to take other steps to suppress color output.243    See https://bugzilla.redhat.com/show_bug.cgi?id=713567244    :param command: start,stop,restart, etc.245    :type command: str246    :return: list of command and arguments to pass to utils.run or similar functions247    :rtype: list248    """249    command_name = "systemctl"250    if command == "is_enabled":251        command = "is-enabled"252    elif command == "list":253        # noinspection PyUnusedLocal254        def list_command(service_name):255            # systemctl pipes to `less` or $PAGER by default. Workaround this256            # add '--full' to avoid systemctl truncates service names.257            return [command_name, "list-unit-files",258                    "--type=service", "--no-pager", "--full"]259        return list_command260    elif command == "set_target":261        def set_target_command(target):262            return [command_name, "isolate", target]263        return set_target_command264    def method(service_name):265        return [command_name, command, "%s.service" % service_name]266    return method267COMMANDS = (268    "start",269    "stop",270    "reload",271    "restart",272    "condrestart",273    "status",274    "enable",275    "disable",...

maestro.py

Source:maestro.py

1#!/usr/bin/env python2#################################################################3# Pololu Maestro USB Servo Controller4# By Jason De Lorme <jjdelorme@yahoo.com>5# 6import serial, time, struct, threading7from antprotocol.protocol import log8SET_TARGET_COMMAND=0x849GET_POSITION_COMMAND=0x9010GET_MOVING_STATE_COMMAND=0x9311# ----------------------------------------------------------------------------12#13# Class responsible for interacting with the Pololu Maestro controller.14#15# ----------------------------------------------------------------------------16class Maestro(serial.Serial):17	def __init__(self, port="/dev/ttyACM0", baudrate=9600, channel=0x05, timeout=1, debug=False):18		super(Maestro, self).__init__(port=port, baudrate=baudrate, timeout=timeout)19		self.channel = channel20		21		self._lock = threading.Lock()22	def __del__(self):23		self.close()24	def isMoving(self):25		try:26			# make sure it's not moving before you check the position.27			self.write( \28				chr(GET_MOVING_STATE_COMMAND))29			r = self.read(1)30			if r is not None:31				val = struct.unpack('?', r)32				return val[0]33			else:34				raise "ERROR Could not determine if servo was moving."		35		except Exception as e:36			print str(e)37			return False38	def getFastPosition(self, channel):39		try:40			self.write( \41				chr(GET_POSITION_COMMAND) + \42				chr(channel))43			r = self.read(2)44			if r is not None:45				pos = struct.unpack('h', r)46			else:47				return None48		49			return pos[0]50		except Exception as e:51			print "ERROR - getFastPosition: " + str(e)52			return 053	def getPosition(self):54		# let the servo finish moving if it is55		while self.isMoving():56			# wait just a 1/2 second and try again57			time.sleep(0.5)58		return self.getFastPosition(self.channel)59	def setTarget(self, position):60		low = position&0x7f61		high = position>>762		63		self.write( \64			chr(SET_TARGET_COMMAND) + \65			chr(self.channel) + \66			chr(low) + \67			chr(high))68	#69	# Threadsafe read implementation70	#71	def read(self, count):72		with self._lock:73			return super(Maestro, self).read(count)74	#75	# Threadsafe write implementation76	#77	def write(self, message):78		with self._lock:79			return super(Maestro, self).write(message)80# simple test harness to walk through the various steps.81def _test(port="/dev/ttyACM0", channel=0x05):82	m = Maestro(port=port, channel=channel)83	m.setTarget(8428)	# 0 resistance84	time.sleep(1.0)85	m.setTarget(5090)	# 1 resistance86	time.sleep(1.0)87	m.setTarget(4600)	# 2 resistance88	time.sleep(1.0)89	m.setTarget(2796)	# 3 resistance90	time.sleep(2.0)91	m.setTarget(8428)...

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