KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use _exhaust_stream method in autotest

Best Python code snippet using autotest_python

paramiko_host.py

Source:paramiko_host.py

...166    def close(self):167        super(ParamikoHost, self).close()168        self._close_transport()169    @classmethod170    def _exhaust_stream(cls, tee, output_list, recvfunc):171        while True:172            try:173                output_list.append(recvfunc(cls.BUFFSIZE))174            except socket.timeout:175                return176            tee.write(output_list[-1])177            if not output_list[-1]:178                return179    @classmethod180    def __send_stdin(cls, channel, stdin):181        if not stdin or not channel.send_ready():182            # nothing more to send or just no space to send now183            return184        sent = channel.send(stdin[:cls.BUFFSIZE])185        if not sent:186            logging.warning('Could not send a single stdin byte.')187        else:188            stdin = stdin[sent:]189            if not stdin:190                # no more stdin input, close output direction191                channel.shutdown_write()192        return stdin193    def run(self, command, timeout=3600, ignore_status=False,194            stdout_tee=utils.TEE_TO_LOGS, stderr_tee=utils.TEE_TO_LOGS,195            connect_timeout=30, stdin=None, verbose=True, args=(),196            ignore_timeout=False):197        """198        Run a command on the remote host.199        @see common_lib.hosts.host.run()200        @param connect_timeout: connection timeout (in seconds)201        @param options: string with additional ssh command options202        @param verbose: log the commands203        @param ignore_timeout: bool True command timeouts should be204                               ignored.  Will return None on command timeout.205        @raises AutoservRunError: if the command failed206        @raises AutoservSSHTimeout: ssh connection has timed out207        """208        stdout = utils.get_stream_tee_file(209                stdout_tee, utils.DEFAULT_STDOUT_LEVEL,210                prefix=utils.STDOUT_PREFIX)211        stderr = utils.get_stream_tee_file(212                stderr_tee, utils.get_stderr_level(ignore_status),213                prefix=utils.STDERR_PREFIX)214        for arg in args:215            command += ' "%s"' % utils.sh_escape(arg)216        if verbose:217            logging.debug("Running (ssh-paramiko) '%s'", command)218        # start up the command219        start_time = time.time()220        try:221            channel = self._open_channel(timeout)222            channel.exec_command(command)223        except (socket.error, paramiko.SSHException, EOFError), e:224            # This has to match the string from paramiko *exactly*.225            if str(e) != 'Channel closed.':226                raise error.AutoservSSHTimeout("ssh failed: %s" % e)227        # pull in all the stdout, stderr until the command terminates228        raw_stdout, raw_stderr = [], []229        timed_out = False230        while not channel.exit_status_ready():231            if channel.recv_ready():232                raw_stdout.append(channel.recv(self.BUFFSIZE))233                stdout.write(raw_stdout[-1])234            if channel.recv_stderr_ready():235                raw_stderr.append(channel.recv_stderr(self.BUFFSIZE))236                stderr.write(raw_stderr[-1])237            if timeout and time.time() - start_time > timeout:238                timed_out = True239                break240            stdin = self.__send_stdin(channel, stdin)241            time.sleep(1)242        if timed_out:243            exit_status = -signal.SIGTERM244        else:245            exit_status = channel.recv_exit_status()246        channel.settimeout(10)247        self._exhaust_stream(stdout, raw_stdout, channel.recv)248        self._exhaust_stream(stderr, raw_stderr, channel.recv_stderr)249        channel.close()250        duration = time.time() - start_time251        # create the appropriate results252        stdout = "".join(raw_stdout)253        stderr = "".join(raw_stderr)254        result = utils.CmdResult(command, stdout, stderr, exit_status,255                                 duration)256        if exit_status == -signal.SIGHUP:257            msg = "ssh connection unexpectedly terminated"258            raise error.AutoservRunError(msg, result)259        if timed_out:260            logging.warning('Paramiko command timed out after %s sec: %s', timeout,261                         command)262            if not ignore_timeout:...

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.