How to use the supervisor.xmlrpc.Faults function in supervisor

def test_clearLog_unreadable(self):
        supervisord = DummySupervisor()
        interface = self._makeOne(supervisord)
        self._assertRPCError(xmlrpc.Faults.NO_FILE, interface.clearLog)

def traverse(ob, method, params):
    dotted_parts = method.split('.')
    # security (CVE-2017-11610, don't allow object traversal)
    if len(dotted_parts) != 2:
        raise RPCError(Faults.UNKNOWN_METHOD)
    namespace, method = dotted_parts

    # security (don't allow methods that start with an underscore to
    # be called remotely)
    if method.startswith('_'):
        raise RPCError(Faults.UNKNOWN_METHOD)

    rpcinterface = getattr(ob, namespace, None)
    if rpcinterface is None:
        raise RPCError(Faults.UNKNOWN_METHOD)

    func = getattr(rpcinterface, method, None)
    if not isinstance(func, types.MethodType):
        raise RPCError(Faults.UNKNOWN_METHOD)

    try:

def multi(remaining_calls=remaining_calls,
                  callbacks=callbacks,
                  results=results):

            # if waiting on a callback, call it, then remove it if it's done
            if callbacks:
                try:
                    value = callbacks[0]()
                except RPCError as exc:
                    value = {'faultCode': exc.code,
                             'faultString': exc.text}
                except:
                    info = sys.exc_info()
                    errmsg = "%s:%s" % (info[0], info[1])
                    value = {'faultCode': Faults.FAILED,
                             'faultString': 'FAILED: ' + errmsg}
                if value is not NOT_DONE_YET:
                    callbacks.pop(0)
                    results.append(value)

            # if we don't have a callback now, pop calls and call them in
            # order until one returns a callback.
            while (not callbacks) and remaining_calls:
                call = remaining_calls.pop(0)
                name = call.get('methodName', None)
                params = call.get('params', [])

                try:
                    if name is None:
                        raise RPCError(Faults.INCORRECT_PARAMETERS,
                            'No methodName')

def _update(self, text):
        self.update_text = text # for unit tests, mainly
        if ( isinstance(self.supervisord.options.mood, int) and
             self.supervisord.options.mood < SupervisorStates.RUNNING ):
            raise RPCError(Faults.SHUTDOWN_STATE)

def upcheck(self):
        try:
            supervisor = self.get_supervisor()
            api = supervisor.getVersion() # deprecated
            from supervisor import rpcinterface
            if api != rpcinterface.API_VERSION:
                self.output(
                    'Sorry, this version of supervisorctl expects to '
                    'talk to a server with API version %s, but the '
                    'remote version is %s.' % (rpcinterface.API_VERSION, api))
                return False
        except xmlrpclib.Fault, e:
            if e.faultCode == xmlrpc.Faults.UNKNOWN_METHOD:
                self.output(
                    'Sorry, supervisord responded but did not recognize '
                    'the supervisor namespace commands that supervisorctl '
                    'uses to control it.  Please check that the '
                    '[rpcinterface:supervisor] section is enabled in the '
                    'configuration file (see sample.conf).')
                return False
            raise
        except socket.error, why:
            if why.args[0] == errno.ECONNREFUSED:
                self.output('%s refused connection' % self.options.serverurl)
                return False
            elif why.args[0] == errno.ENOENT:
                self.output('%s no such file' % self.options.serverurl)
                return False
            raise

        @param int offset         offset to start reading from.
        @param int length         number of bytes to read from the log.
        @return string result     Bytes of log
        """
        self._update('readLog')

        logfile = self.supervisord.options.logfile

        if logfile is None or not os.path.exists(logfile):
            raise RPCError(Faults.NO_FILE, logfile)

        try:
            return readFile(logfile, int(offset), int(length))
        except ValueError, inst:
            why = inst.args[0]
            raise RPCError(getattr(Faults, why))

return wrong
                process = group.processes.get(process_name)
                if process is None:
                    return wrong

                if action == 'start':
                    try:
                        bool_or_callback = (
                            rpcinterface.supervisor.startProcess(namespec)
                            )
                    except RPCError as e:
                        if e.code == Faults.NO_FILE:
                            msg = 'no such file'
                        elif e.code == Faults.NOT_EXECUTABLE:
                            msg = 'file not executable'
                        elif e.code == Faults.ALREADY_STARTED:
                            msg = 'already started'
                        elif e.code == Faults.SPAWN_ERROR:
                            msg = 'spawn error'
                        elif e.code == Faults.ABNORMAL_TERMINATION:
                            msg = 'abnormal termination'
                        else:
                            msg = 'unexpected rpc fault [%d] %s' % (
                                e.code, e.text)
                        def starterr():
                            return 'ERROR: Process %s: %s' % (namespec, msg)
                        starterr.delay = 0.05
                        return starterr

                    if callable(bool_or_callback):
                        def startprocess():
                            try:

def _startresult(self, result):
        name = make_namespec(result['group'], result['name'])
        code = result['status']
        template = '%s: ERROR (%s)'
        if code == xmlrpc.Faults.BAD_NAME:
            return template % (name, 'no such process')
        elif code == xmlrpc.Faults.NO_FILE:
            return template % (name, 'no such file')
        elif code == xmlrpc.Faults.NOT_EXECUTABLE:
            return template % (name, 'file is not executable')
        elif code == xmlrpc.Faults.ALREADY_STARTED:
            return template % (name, 'already started')
        elif code == xmlrpc.Faults.SPAWN_ERROR:
            return template % (name, 'spawn error')
        elif code == xmlrpc.Faults.ABNORMAL_TERMINATION:
            return template % (name, 'abnormal termination')
        elif code == xmlrpc.Faults.SUCCESS:
            return '%s: started' % name
        # assertion
        raise ValueError('Unknown result code %s for %s' % (code, name))

wrong.delay = 0.05
                group_name, process_name = split_namespec(namespec)
                group = supervisord.process_groups.get(group_name)
                if group is None:
                    return wrong
                process = group.processes.get(process_name)
                if process is None:
                    return wrong

                if action == 'start':
                    try:
                        bool_or_callback = (
                            rpcinterface.supervisor.startProcess(namespec)
                            )
                    except RPCError as e:
                        if e.code == Faults.NO_FILE:
                            msg = 'no such file'
                        elif e.code == Faults.NOT_EXECUTABLE:
                            msg = 'file not executable'
                        elif e.code == Faults.ALREADY_STARTED:
                            msg = 'already started'
                        elif e.code == Faults.SPAWN_ERROR:
                            msg = 'spawn error'
                        elif e.code == Faults.ABNORMAL_TERMINATION:
                            msg = 'abnormal termination'
                        else:
                            msg = 'unexpected rpc fault [%d] %s' % (
                                e.code, e.text)
                        def starterr():
                            return 'ERROR: Process %s: %s' % (namespec, msg)
                        starterr.delay = 0.05
                        return starterr

def _update(self, text):
        self.update_text = text # for unit tests, mainly
        if ( isinstance(self.supervisord.options.mood, int) and
             self.supervisord.options.mood < SupervisorStates.RUNNING ):
            raise RPCError(Faults.SHUTDOWN_STATE)