general.py

class CmdLook(COMMAND_DEFAULT_CLASS):
    """
    look at location or object
    Usage:
      look
      look <obj>
      look *<account>
    Observes your location or objects in your vicinity.
    """
    key = "look"
    aliases = ["l", "ls"]
    locks = "cmd:all()"
    arg_regex = r"\s|$"

    def func(self):
        """
        Handle the looking.
        """
        caller = self.caller
        if not self.args:
            target = caller.location
            if not target:
                caller.msg("You have no location to look at!")
                return
        else:
            target = caller.search(self.args)
            if not target:
                return
        self.msg(caller.at_look(target), {type: 'look'})