api_base.py 文件源码

def _update_instance(self, oid):
        repo = repos[self.__class__.__name__]['repo']
        query_func = repos[self.__class__.__name__]['get']
        existing = getattr(repo, query_func)(oid)
        if existing is None:
            raise NotFound
        ensure_authorized_to('update', existing)
        data = json.loads(request.data)
        self._forbidden_attributes(data)
        # Remove hateoas links
        data = self.hateoas.remove_links(data)
        # may be missing the id as we allow partial updates
        data['id'] = oid
        self.__class__(**data)
        old = self.__class__(**existing.dictize())
        for key in data:
            setattr(existing, key, data[key])
        self._update_attribute(existing, old)
        update_func = repos[self.__class__.__name__]['update']
        self._validate_instance(existing)
        getattr(repo, update_func)(existing)
        self._log_changes(old, existing)
        return existing