util.py 文件源码

def dump_object(obj):
    """Get this object as a dict."""
    def should_dump(self, attr, value):
        """Decide if the attribute should be dumped or not."""
        column = self.__table__.c[attr.name]
        default = column.default
        if default is not None:
            return not value == default.arg
        elif self.__table__.c[attr.name].nullable and value is None:
            return False
        else:
            return True
    d = asdict(obj, filter=partial(should_dump, obj))
    if isinstance(
        obj,
        db.SpacialObject
    ) and 'type' in d:  # obj.type is not None
        d['type'] = d['type'].name
    return d