utils.py 文件源码

def default(self, obj):
        if isinstance(obj, arrow.Arrow):
            return obj.for_json()
        elif isinstance(obj, datetime.datetime):
            return obj.strftime('%Y-%m-%dT%H:%M:%SZ')
        elif isinstance(obj, datetime.date):
            return obj.strftime('%Y-%m-%d')
        # Let the base class default method raise the TypeError
        return json.JSONEncoder.default(self, obj)