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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def execute(self):
 """Start this action command in a subprocess. :raise: ActionError 'toomanyopenfiles' if too many opened files on the system 'no_process_launched' if arguments parsing failed 'process_launch_failed': if the process launch failed :return: reference to the started process :rtype: psutil.Process """

        self.status = ACT_STATUS_LAUNCHED
        self.check_time = time.time()
        self.wait_time = 0.0001
        self.last_poll = self.check_time

        # Get a local env variables with our additional values
        self.local_env = self.get_local_environnement()

        # Initialize stdout and stderr.
        self.stdoutdata = ''
        self.stderrdata = ''

        logger.debug("Launch command: '%s', ref: %s, timeout: %s",
                     self.command, self.ref, self.timeout)
        if self.log_actions:
            if os.environ['ALIGNAK_LOG_ACTIONS'] == 'WARNING':
                logger.warning("Launch command: '%s'", self.command)
            else:
                logger.info("Launch command: '%s'", self.command)

        return self._execute()