On Tue, May 28, 2024 at 11:46 AM Left Right via Python-list <python-list@python.org> wrote: > > Most Python objects aren't serializable into JSON. Pydantic isn't > special in this sense. > > What can you do about this? -- Well, if this is a one-of situation, > then, maybe just do it by hand? > > If this is a recurring problem: json.dumps() takes a cls argument that > will be used to do the serialization. Extend json.JSONEncoder and > implement the encode() method for the encoder class you are passing. I > believe that the official docs have some information about this too.
Yeah, I know I can do this, but I seem to recall reading that pydantic handled serialization. Guess not. > On Tue, May 28, 2024 at 2:50 PM Larry Martell via Python-list > <python-list@python.org> wrote: > > > > Just getting started with pydantic. I have this example code: > > > > class FinishReason(Enum): > > stop = 'stop' > > > > class Choice(BaseModel): > > finish_reason: FinishReason = Field(...) > > > > > > But I cannot serialize this: > > > > json.dumps(Choice(finish_reason=FinishReason.stop).dict()) > > *** TypeError: Object of type FinishReason is not JSON serializable > > > > > > I get the object not the value: > > > > (Pdb) Choice(finish_reason=FinishReason.stop) > > Choice(finish_reason=<FinishReason.stop: 'stop'>) > > > > > > Also tried it with .value, same result. > > > > What am I missing here? -- https://mail.python.org/mailman/listinfo/python-list
