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How to use _master_command method in avocado

Best Python code snippet using avocado_python

ssh.py

Source:ssh.py

...40        cmd = "ssh %s %s %s '%s'" % (cmd, " ".join(opts), self.address[0], command)41        return cmd42    def _master_connection(self):43        return self._ssh_cmd(self.DEFAULT_OPTIONS + self.MASTER_OPTIONS, ('-n',))44    def _master_command(self, command):45        cmd = self._ssh_cmd(self.DEFAULT_OPTIONS, ('-O', command))46        result = process.run(cmd, ignore_status=True)47        return result.exit_status == 048    def _check(self):49        return self._master_command('check')50    def connect(self):51        """52        Establishes the connection to the remote endpoint53        On this implementation, it means creating the master connection,54        which is a process that will live while and be used for subsequent55        commands.56        :returns: whether the connection is successfully established57        :rtype: bool58        """59        if not self._check():60            master = process.run(self._master_connection(), ignore_status=True)61            if not master.exit_status == 0:62                return False63            self._connection = master64        return True65    def cmd(self, command):66        """67        Runs a command over the SSH session68        Errors, such as an exit status different than 0, should be checked by69        the caller.70        :param command: the command to execute over the SSH session71        :param command: str72        :returns: The command result object.73        :rtype: A :class:`CmdResult` instance.74        """75        cmd = self._ssh_cmd(self.DEFAULT_OPTIONS, ('-q', ), command)76        return process.run(cmd, ignore_status=True)77    def quit(self):78        """79        Attempts to gracefully end the session, by finishing the master process80        :returns: if closing the session was successful or not81        :rtype: bool82        """...

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