qconf_object.py 文件源码

def remove_optional_keys(self):
        """ 
        Removes values for keys that are not required from object's data. 

        :raises: **InvalidRequest** - in case object's data is not a dictionary.
        """
        if self.OPTIONAL_KEYS_ALLOWED:
            return

        if type(self.data) != types.DictType:
            raise InvalidRequest('Data object is not a dictionary: %s.' % str(self.data))

        removed_keys = []
        for (key,value) in self.data.items():
            if not self.get_required_data_defaults().has_key(key):
                if key not in self.USER_PROVIDED_KEYS and not key.startswith('#'):
                    removed_keys.append(key)
        for key in removed_keys:
            del self.data[key]