def stop()

in scripts/cronjobs/pubsubber.py [0:0]

• 25 lines of code
• 7 McCabe index (conditional complexity)

        def stop(self):
                """Stop the daemon."""

                # Get the pid from the pidfile
                try:
                        with open(self.pidfile,'r') as pf:
                                pid = int(pf.read().strip())
                except IOError:
                        pid = None
        
                if not pid:
                        message = "pidfile {0} does not exist. " + \
                                        "Daemon not running?\n"
                        sys.stderr.write(message.format(self.pidfile))
                        return # not an error in a restart

                # Try killing the daemon process        
                try:
                        # Try gentle stop first
                        os.kill(pid, signal.SIGINT)
                        time.sleep(0.2)
                        while 1:
                                os.kill(pid, signal.SIGTERM)
                                time.sleep(0.1)
                except OSError as err:
                        e = str(err.args)
                        if e.find("No such process") > 0:
                                if os.path.exists(self.pidfile):
                                        os.remove(self.pidfile)
                        else:
                                print (str(err.args))
                                sys.exit(1)