util.py 文件源码

def default(self, o):
        if isinstance(o, datetime.datetime):
            return o.isoformat()
        if isinstance(o, datetime.date):
            return o.isoformat()
        if isinstance(o, datetime.time):
            return o.isoformat()
        if isinstance(o, decimal.Decimal):
            return str(o)
        return json.JSONEncoder.default(self, o)
# ????? json.dumps(yourobj, cls=DateTimeEncoder)

# class DecimalEncoder(json.JSONEncoder):
#     def _iterencode(self, o, markers=None):
#         if isinstance(o, decimal.Decimal):
#             # wanted a simple yield str(o) in the next line,
#             # but that would mean a yield on the line with super(...),
#             # which wouldn't work (see my comment below), so...
#             return (str(o) for o in [o])
#         return super(DecimalEncoder, self)._iterencode(o, markers)