__init__.py 文件源码

def update_keys(self, new_key_list=None):
        """
        Populates our registry and other dicts with the new key-list given (may be an empty list).

        :param Union[List,None] new_key_list: the new key list, where each item is the lower-case pygame keycode without the leading
            `K_` e.g. `up` for pygame.K_UP; use None for clearing out the registry (no keys assigned)
        """
        self.unregister_events()
        self.keyboard_registry.clear()
        self.descriptions.clear()
        #OBSOLETE: self.desc_to_key.clear()
        if new_key_list:
            for desc in new_key_list:
                key = getattr(pygame, "K_" + (desc.upper() if len(desc) > 1 else desc))
                self.keyboard_registry[key] = False
                self.descriptions[key] = desc
                #OBSOLETE: self.desc_to_key[desc] = key
                # signal that we might trigger the following events:
                self.register_event("key_down." + desc, "key_up." + desc)