How to use the pscript.stubs.window.console function in pscript

def init_logging(self):
        """ Setup logging so that messages are proxied to Python.
        """
        if window.console.ori_log:
            return  # already initialized the loggers
        # Keep originals
        window.console.ori_log = window.console.log
        window.console.ori_info = window.console.info or window.console.log
        window.console.ori_warn = window.console.warn or window.console.log
        window.console.ori_error = window.console.error or window.console.log

        def log(msg):
            window.console.ori_log(msg)
            for session in self.sessions.values():
                session.send_command("PRINT", str(msg))
        def info(msg):
            window.console.ori_info(msg)
            for session in self.sessions.values():
                session.send_command("INFO", str(msg))
        def warn(msg):
            window.console.ori_warn(msg)
            for session in self.sessions.values():
                session.send_command("WARN", str(msg))
        def error(msg):
            evt = dict(message=str(msg), error=msg, preventDefault=lambda: None)

def init_logging(self):
        """ Setup logging so that messages are proxied to Python.
        """
        if window.console.ori_log:
            return  # already initialized the loggers
        # Keep originals
        window.console.ori_log = window.console.log
        window.console.ori_info = window.console.info or window.console.log
        window.console.ori_warn = window.console.warn or window.console.log
        window.console.ori_error = window.console.error or window.console.log

        def log(msg):
            window.console.ori_log(msg)
            for session in self.sessions.values():
                session.send_command("PRINT", str(msg))
        def info(msg):
            window.console.ori_info(msg)
            for session in self.sessions.values():
                session.send_command("INFO", str(msg))
        def warn(msg):
            window.console.ori_warn(msg)
            for session in self.sessions.values():
                session.send_command("WARN", str(msg))
        def error(msg):
            evt = dict(message=str(msg), error=msg, preventDefault=lambda: None)
            on_error(evt)

def info(msg):
            window.console.ori_info(msg)
            for session in self.sessions.values():
                session.send_command("INFO", str(msg))
        def warn(msg):

for x in ['_process_actions', '_process_reactions', '_process_calls']:
                    if ('Loop.' + x) in stack[i]:
                        stack = stack[:i]
                        break
            # Pop items from in between
            for i in reversed(range(len(stack))):
                for x in ['flx_action ']:
                    if stack[i] and stack[i].count(x):
                        stack.pop(i)
            # Combine and tweak the message some more
            msg += '\n' + '\n'.join(stack)
        elif evt.message and evt.lineno:  # message, url, linenumber
            msg += "\nIn %s:%i" % (evt.filename, evt.lineno)
        # Handle error
        evt.preventDefault()  # Don't do the standard error
        window.console.ori_error(msg)
        for session in self.sessions.values():
            session.send_command("ERROR", short_msg)

def _receive_command(self, command):
        """ Process a command send from the server.
        """
        cmd = command[0]
        if cmd == 'PING':
            # Used for roundtrip stuff, do at least one iter loop here ...
            window.setTimeout(self.send_command, 10, 'PONG', command[1])
        elif cmd == 'INIT_DONE':
            window.flexx.spin(None)
            while len(self._pending_commands):
                self._receive_raw_command(self._pending_commands.pop(0))
            self._pending_commands = None
            # print('init took', time() - self._init_time)
        elif cmd == 'PRINT':
            (window.console.ori_log or window.console.log)(command[1])
        elif cmd == 'EXEC':
            eval(command[1])
        elif cmd == 'EVAL':
            x = None
            if len(command) == 2:
                x = eval(command[1])
            elif len(command) == 3:
                x = eval('this.instances.' + command[1] + '.' + command[2])
            console.log(str(x))  # print (and thus also sends back result)
        elif cmd == 'EVALANDRETURN':
            try:
                x = eval(command[1])
            except Exception as err:
                x = str(err)
            eval_id = command[2]  # to identify the result in Python
            self.send_command("EVALRESULT", x, eval_id)

def warn(msg):
            window.console.ori_warn(msg)
            for session in self.sessions.values():
                session.send_command("WARN", str(msg))
        def error(msg):