David Hewitt

icon indicating an email [email protected]

icon company @pydantic icon location Oxford, UK icon location Uniting Python & Rust. Core maintainer of PyO3 and member of @pydantic. Occasionally found on YouTube streaming PyO3 development.

Results 1495 comments of David Hewitt

Add `NoneRequired` error on optional fields

As per the versioning policy https://docs.pydantic.dev/latest/version-policy/#pydantic-v2 I think adding additional error detail is permitted without considering it breaking. I'd be quite up for having this. Consider e.g. a three-member union:...

Add `NoneRequired` error on optional fields

I think we need to convince @samuelcolvin that this is fine to merge, and then we can ship it :)

GC in free-threaded build has problems with `Py_INCREF()`/`Py_DECREF()` in `tp_traverse` handlers

For what it's worth the PyO3 issue was indeed a refcounting op hidden behind a smart pointer (credit @colesbury for identifying that at the time). https://github.com/PyO3/pyo3/pull/4479

GC in free-threaded build has problems with `Py_INCREF()`/`Py_DECREF()` in `tp_traverse` handlers

Related: #142981

[RFC] Named macro capture groups

Although I cannot remember the exact use-case, I remember wanting something like this to name an optional trailing comma so that I could forward it on to another macro as...