python 如何让一个对象可序列化

[981377660LMT]

https://stackoverflow.com/a/38764817

[981377660LMT]

import operator
from json import JSONEncoder, dumps

def _default(self, obj):
    return getattr(obj.__class__, "to_json", _default.default)(obj)

_default.default = JSONEncoder().default
JSONEncoder.default = _default

class XXX:
      def to_json(self):
         return 1

[981377660LMT]

monkey patch