KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference
How to use _drop_remote_namespace method in fMBT

Best Python code snippet using fMBT_python
server.py
Source:server.py
...208    del _g_local_namespaces[ns]209    del _g_local_namespace_locks[ns]210    del _g_async_rvs[ns]211    # send notification to all connections in _g_namespace_exports[ns]?212def _drop_remote_namespace(ns):213    daemon_log('drop remote namespace "%s"' % (ns,))214    try:215        rns = _g_remote_namespaces[ns]216        del _g_remote_namespaces[ns]217        rns.__del__()218    except KeyError:219        pass # already dropped220    # send notification to all connections in _g_namespace_exports[ns]?221def _init_remote_namespace(ns, conn, to_remote, from_remote):222    if ns in _g_remote_namespaces:223        raise ValueError('Remote namespace "%s" already registered' % (224            ns,))225    daemon_log('added remote namespace "%s", origin "%s"' % (226        ns, conn.getpeername()))227    _g_remote_namespaces[ns] = Pythonshare_rns(conn, to_remote, from_remote)228def _register_exported_namespace(ns, conn):229    if not ns in _g_namespace_exports:230        _g_namespace_exports[ns] = []231    _g_namespace_exports[ns].append(conn)232def _local_execute(exec_msg, conn_id=None):233    global _g_executing_pythonshare_conn_id234    ns = exec_msg.namespace235    if not ns in _g_local_namespaces:236        code_exc = expr_exc = "no local namespace %s" % (ns,)237        return messages.Exec_rv(code_exc, expr_exc, None)238    if conn_id:239        if not conn_id in _g_namespace_users:240            _g_namespace_users[conn_id] = set([ns])241        else:242            _g_namespace_users[conn_id].add(ns)243    code_exc, expr_exc, expr_rv = None, None, None244    if not exec_msg.lock or _g_local_namespace_locks[ns].acquire():245        _g_executing_pythonshare_conn_id = conn_id246        try:247            if exec_msg.code not in [None, ""]:248                try:249                    exec exec_msg.code in _g_local_namespaces[ns]250                except Exception, e:251                    code_exc = exception2string(sys.exc_info())252            if exec_msg.expr not in [None, ""]:253                try:254                    expr_rv = eval(exec_msg.expr, _g_local_namespaces[ns])255                except Exception, e:256                    expr_exc = exception2string(sys.exc_info())257        finally:258            _g_executing_pythonshare_conn_id = None259            if exec_msg.lock:260                try:261                    _g_local_namespace_locks[ns].release()262                except thread.error:263                    pass # already unlocked namespace264    else:265        code_exc = expr_exc = 'locking namespace "%s" failed' % (ns,)266    if isinstance(expr_rv, pythonshare.messages.Exec_rv):267        return expr_rv268    else:269        return messages.Exec_rv(code_exc, expr_exc, expr_rv)270def _local_async_execute(async_rv, exec_msg):271    exec_rv = _local_execute(exec_msg)272    _g_async_rvs[exec_msg.namespace][async_rv.rvid] = exec_rv273def _remote_execute(ns, exec_msg):274    rns = _g_remote_namespaces[ns]275    pythonshare._send(exec_msg, rns.to_remote)276    # _recv raises EOFError() if disconnected,277    # let it raise through.278    return pythonshare._recv(rns.from_remote)279def _remote_execute_and_forward(ns, exec_msg, to_client, peername=None):280    """returns (forward_status, info)281    forward_status values:282       True:  everything successfully forwarded,283              info contains pair (forwarded byte count, full length).284       False: not everything forwarded,285              info contains pair (forwarded byte count, full length).286              to_client file/socket is not functional.287       None:  no forwarding,288              info contains Exec_rv that should be sent normally.289    Raises EOFError if connection to remote namespace is not functional.290    The peername parameter is used for logging only.291    """292    client_supports_rv_info = exec_msg.recv_cap_data_info()293    exec_msg.set_recv_cap_data_info(True)294    rns = _g_remote_namespaces[ns]295    pythonshare._send(exec_msg, rns.to_remote)296    from_remote = rns.from_remote297    # Must keep simultaneously two locks:298    # - send lock on to_client299    # - recv lock on from_remote300    pythonshare._acquire_recv_lock(from_remote)301    try:302        response = pythonshare._recv(from_remote, acquire_recv_lock=False)303        if not isinstance(response, messages.Data_info):304            # Got direct response without forward mode305            return (None, response)306        pythonshare._acquire_send_lock(to_client)307        if client_supports_rv_info:308            # send data_info to client309            pythonshare._send(response, to_client, acquire_send_lock=False)310        try:311            if opt_debug and peername:312                daemon_log("%s:%s <= Exec_rv([forwarding %s B])" % (peername + (response.data_length,)))313            forwarded_bytes = pythonshare._forward(314                from_remote, to_client, response.data_length,315                acquire_recv_lock=False,316                acquire_send_lock=False)317            if forwarded_bytes == response.data_length:318                return (True, (forwarded_bytes, response.data_length))319            else:320                return (False, (forwarded_bytes, response.data_length))321        finally:322            pythonshare._release_send_lock(to_client)323    finally:324        exec_msg.set_recv_cap_data_info(client_supports_rv_info)325        pythonshare._release_recv_lock(from_remote)326def _connection_lost(conn_id, *closables):327    if closables:328        pythonshare._close(*closables)329    try:330        for ns in _g_namespace_users[conn_id]:331            try:332                _g_local_namespaces[ns]["pythonshare_ns"].call_on_disconnect(conn_id)333            except KeyError:334                pass335    except KeyError:336        pass337def _serve_connection(conn, conn_opts):338    global _g_async_rv_counter339    global _g_server_shutdown340    if isinstance(conn, client.Connection):341        to_client = conn._to_server342        from_client = conn._from_server343    else: # conn is a connected socket344        to_client = conn.makefile("w")345        from_client = conn.makefile("r")346    try:347        peername = conn.getpeername()348    except socket.error:349        peername = ("unknown", "?")350    if opt_debug:351        daemon_log("connected %s:%s" % peername)352    conn_id = "%s-%s" % (timestamp(), id(conn))353    auth_ok = False354    passwords = [k for k in conn_opts.keys() if k.startswith("password.")]355    kill_server_on_close = conn_opts.get("kill-server-on-close", False)356    if passwords:357        # password authentication is required for this connection358        received_password = pythonshare._recv(from_client)359        for password_type in passwords:360            algorithm = password_type.split(".")[1]361            if type(received_password) == str:362                if (algorithm == "plaintext" and363                    received_password == conn_opts[password_type]):364                    auth_ok = True365                elif (hasattr(hashlib, algorithm) and366                      getattr(hashlib, algorithm)(received_password).hexdigest() ==367                      conn_opts[password_type]):368                    auth_ok = True369        try:370            if auth_ok:371                pythonshare._send(messages.Auth_rv(True), to_client)372                if opt_debug:373                    daemon_log("%s:%s authentication ok" % peername)374            else:375                pythonshare._send(messages.Auth_rv(False), to_client)376                if opt_debug:377                    daemon_log("%s:%s authentication failed" % peername)378        except socket.error:379            daemon_log("authentication failed due to socket error")380            auth_ok = False381    else:382        auth_ok = True # no password required383    whitelist_local = conn_opts.get("whitelist_local", None)384    while auth_ok:385        try:386            obj = pythonshare._recv(from_client)387            if opt_debug:388                daemon_log("%s:%s => %s" % (peername + (obj,)))389        except (EOFError, pythonshare.socket.error):390            break391        if isinstance(obj, messages.Register_ns):392            try:393                _init_remote_namespace(obj.ns, conn, to_client, from_client)394                pythonshare._send(messages.Ns_rv(True), to_client)395                # from this point on, this connection is reserved for396                # sending remote namespace traffic. The connection will be397                # used by other threads, this thread stops here.398                return399            except Exception, e:400                pythonshare._send(messages.Ns_rv(False, exception2string(sys.exc_info())), to_client)401        elif isinstance(obj, messages.Drop_ns):402            try:403                if obj.ns in _g_local_namespaces:404                    _drop_local_namespace(obj.ns)405                elif obj.ns in _g_remote_namespaces:406                    _drop_remote_namespace(obj.ns)407                else:408                    raise ValueError('Unknown namespace "%s"' % (obj.ns,))409                pythonshare._send(messages.Ns_rv(True), to_client)410            except Exception, e:411                if opt_debug:412                    daemon_log("namespace drop error: %s" % (e,))413                pythonshare._send(messages.Ns_rv(False, exception2string(sys.exc_info())), to_client)414        elif isinstance(obj, messages.Request_ns):415            ns = obj.ns416            if (ns in _g_remote_namespaces or417                ns in _g_local_namespaces):418                _register_exported_namespace(ns, conn)419                pythonshare._send(messages.Ns_rv(True), to_client)420                # from this point on, this connection is reserved for421                # receiving executions on requested namespace. This422                # thread starts serving the connection.423        elif isinstance(obj, messages.Exec):424            ns = obj.namespace425            if ns in _g_remote_namespaces: # execute in remote namespace426                try:427                    _fwd_status, _fwd_info = _remote_execute_and_forward(428                        ns, obj, to_client, peername)429                    if _fwd_status == True:430                        # successfully forwarded431                        if opt_debug:432                            daemon_log("%s:%s forwarded %s B" % (peername + (_fwd_info[0],)))433                        exec_rv = None # return value fully forwarded434                    elif _fwd_status == False:435                        # connection to client is broken436                        if opt_debug:437                            daemon_log("%s:%s error after forwarding %s/%s B" % (peername + _fwd_info))438                        break439                    elif _fwd_status is None:440                        # nothing forwarded, send return value by normal means441                        exec_rv = _fwd_info442                except EOFError:443                    daemon_log('connection lost to "%s"' % (ns,))444                    _drop_remote_namespace(ns)445                    break446            else: # execute in local namespace447                if whitelist_local == None or ns in whitelist_local:448                    _init_local_namespace(ns)449                if obj.async:450                    # asynchronous execution, return handle (Async_rv)451                    _g_async_rv_counter += 1452                    rvid = datetime.datetime.now().strftime(453                        "%s.%f") + str(_g_async_rv_counter)454                    exec_rv = messages.Async_rv(ns, rvid)455                    _g_async_rvs[ns][rvid] = pythonshare.InProgress()456                    thread.start_new_thread(_local_async_execute, (exec_rv, obj))457                else:458                    # synchronous execution, return true return value459                    exec_rv = _local_execute(obj, conn_id)460            if not exec_rv is None:461                if opt_debug:462                    daemon_log("%s:%s <= %s" % (peername + (exec_rv,)))463                try:464                    try:465                        if obj.recv_cap_data_info():466                            info = pythonshare._send_opt(exec_rv, to_client, obj.recv_caps)467                            if info:468                                sent_info = " %s B, format:%s" % (469                                    info.data_length, info.data_format)470                            else:471                                sent_info = ""472                        else:473                            pythonshare._send(exec_rv, to_client)474                            sent_info = ""475                        if opt_debug:476                            daemon_log("%s:%s sent%s" % (peername + (sent_info,)))477                    except (EOFError, socket.error):478                        break479                except (TypeError, ValueError, cPickle.PicklingError): # pickling rv fails480                    exec_rv.expr_rv = messages.Unpicklable(exec_rv.expr_rv)481                    try:482                        pythonshare._send(exec_rv, to_client)483                    except (EOFError, socket.error):484                        break485        elif isinstance(obj, messages.Server_ctl):486            if obj.command == "die":487                ns = obj.args[0]488                if ns in _g_remote_namespaces:489                    try:490                        rv = _remote_execute(ns, obj)491                        if opt_debug:492                            daemon_log("%s:%s <= %s" % (peername + (rv,)))493                        pythonshare._send(rv, to_client)494                    except (EOFError, socket.error): # connection lost495                        daemon_log('connection lost to "%s"' % (ns,))496                        _drop_remote_namespace(ns)497                        break498                else:499                    _g_server_shutdown = True500                    server_ctl_rv = messages.Server_ctl_rv(0, "shutting down")501                    pythonshare._send(server_ctl_rv, to_client)502                    if _g_wake_server_function:503                        _g_wake_server_function()504                    break505            elif obj.command == "unlock":506                try:507                    ns = obj.args[0]508                    if ns in _g_remote_namespaces:509                        try:510                            rv = _remote_execute(ns, obj)511                        except (EOFError, socket.error): # connection lost512                            daemon_log('connection lost to "%s"' % (ns,))513                            _drop_remote_namespace(ns)514                            break515                    elif ns in _g_local_namespace_locks:516                        try:517                            _g_local_namespace_locks[ns].release()518                            server_ctl_rv = messages.Server_ctl_rv(519                                0, "%s unlocked" % (repr(ns),))520                        except thread.error, e:521                            server_ctl_rv = messages.Server_ctl_rv(522                                1, "%s already unlocked" %523                                (repr(ns),))524                    elif ns in _g_local_namespaces:525                        server_ctl_rv = messages.Server_ctl_rv(526                            2, "namespace %s is not locked" % (repr(ns),))527                    else:528                        server_ctl_rv = messages.Server_ctl_rv(529                            -1, "unknown namespace %s" % (repr(ns),))530                    if opt_debug:531                        daemon_log("%s:%s <= %s" % (peername + (server_ctl_rv,)))532                    pythonshare._send(server_ctl_rv, to_client)533                except Exception, e:534                    if opt_debug:535                        daemon_log("Exception in handling %s: %s" % (obj, e))536        else:537            daemon_log("unknown message type: %s in %s" % (type(obj), obj))538            pythonshare._send(messages.Auth_rv(False), to_client)539            auth_ok = False540    if opt_debug:541        daemon_log("disconnected %s:%s" % peername)542    _connection_lost(conn_id, to_client, from_client, conn)543    if kill_server_on_close:544        _g_server_shutdown = True545        if _g_wake_server_function:546            _g_wake_server_function()547def start_server(host, port,548                 ns_init_import_export=[],549                 conn_opts={},550                 listen_stdin=True):551    global _g_wake_server_function552    global _g_waker_lock553    daemon_log("pid: %s" % (os.getpid(),))554    # Initialise, import and export namespaces555    for task, ns, arg in ns_init_import_export:556        if task == "init":557            _init_local_namespace(ns, arg, force=True)558        elif task == "export":559            _init_local_namespace(ns, None, force=True)560            daemon_log('exporting "%s" to %s' % (ns, arg))561            try:562                c = pythonshare.connection(arg)563            except Exception, e:564                daemon_log('connecting to %s failed: %s' % (arg, e))565                return566            if c.export_ns(ns):567                _register_exported_namespace(ns, c)568                thread.start_new_thread(569                    _serve_connection, (c, {"kill-server-on-close": True}))570            else:571                raise ValueError('Export namespace "%s" to "%s" failed'572                                 % (ns, arg))573        elif task == "import":574            if (ns in _g_local_namespaces or575                ns in _g_remote_namespaces):576                raise ValueError('Import failed, namespace "%s" already exists'577                                 % (ns,))578            c = pythonshare.connection(arg)579            if c.import_ns(ns):580                _init_remote_namespace(ns, c, c._to_server, c._from_server)581    try:582        addrinfos = socket.getaddrinfo(host, port, socket.AF_INET, socket.SOCK_STREAM)583        for addrinfo in addrinfos:584            daemon_log("listen: %s:%s" % (addrinfo[4][0], addrinfo[4][1]))585    except socket.error:586        daemon_log("listen: %s:%s" % (host, port))587    if isinstance(port, int):588        def wake_server_function():589            _g_waker_lock.release() # wake up server590        _g_wake_server_function = wake_server_function591        _g_waker_lock = thread.allocate_lock()592        _g_waker_lock.acquire() # unlocked593        # Start listening to the port594        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)595        try:596            s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)597        except:598            pass599        s.bind((host, port))600        s.listen(4)601        event_queue = Queue.Queue()602        thread.start_new_thread(_store_return_value, (s.accept, event_queue))603        thread.start_new_thread(_store_return_value, (_g_waker_lock.acquire, event_queue))604        if not sys.stdin.closed and listen_stdin:605            daemon_log("listening to stdin")606            thread.start_new_thread(_store_return_value, (sys.stdin.readline, event_queue))607        else:608            daemon_log("not listening stdin")609        while 1:610            event = event_queue.get()611            if isinstance(event, tuple):612                # returned from s.accept613                conn, _ = event614                thread.start_new_thread(_serve_connection, (conn, conn_opts))615            elif event == True:616                # returned from _g_waker_lock.acquire617                daemon_log("shutting down.")618                break619            else:620                # returned from sys.stdin.readline621                pass622    elif port == "stdin":623        opt_debug_limit = 0624        if os.name == "nt":625            import msvcrt626            msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)627            msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)628        conn = client.Connection(sys.stdin, sys.stdout)629        _serve_connection(conn, conn_opts)630    for ns in sorted(_g_remote_namespaces.keys()):631        _drop_remote_namespace(ns)632    for ns in sorted(_g_local_namespaces.keys()):633        _drop_local_namespace(ns)634def start_daemon(host="localhost", port=8089, debug=False,635                 log_fd=None, ns_init_import_export=[], conn_opts={},636                 debug_limit=None):637    global opt_log_fd, opt_debug, opt_debug_limit638    opt_log_fd = log_fd639    opt_debug = debug640    if debug_limit != None:641        opt_debug_limit = debug_limit642    if opt_debug_limit > 0:643        messages.MSG_STRING_FIELD_MAX_LEN = opt_debug_limit/2644    else:645        messages.MSG_STRING_FIELD_MAX_LEN = None...
Automation Testing Tutorials

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.