Constants exported by the <errcode.h> header file cannot be used outside Python internals. There is no public C API to tokenize a Python source file. I propose to simply remove this header file (move it to the internal C API). It's not included by Python.h.

In Python 3.12, I removed <token.h > header file: see issue #92651.

In Python 3.10, I removed the C API related to AST and the parser, since it was not possible to use it outside Python internals. See: https://docs.python.org/dev/whatsnew/3.10.html#id4

Linked PRs

• gh-107162: Remove errcode.h header file #107163
• gh-107162: Document errcode.h usage in its comment #107177