crud.py 文件源码

def update(self, **values):
        cls = type(self._instance)
        for key, value in values.items():
            prop = cls.__dict__.get(key)
            if isinstance(prop, json_support.JSONProperty):
                value_from = '__profile__'
                method = self._set_prop
                k = prop
            else:
                value_from = '__values__'
                method = self._set
                k = key
            if not isinstance(value, ClauseElement):
                setattr(self._instance, key, value)
                value = getattr(self._instance, value_from)[key]
            method(k, value)
        return self