Links

• Python/C API Reference Manual

• HPy: a better API for Python

• Cython: C-extensions for Python

• Old 2to3c project by David Malcolm which uses Coccinelle to ease migration of C extensions from Python 2 to Python 3. See also 2to3c: an implementation of Python’s 2to3 for C code article (2009).

• PEPs related to the C API:

  • PEP 620 – Hide implementation details from the C API

  • PEP 670 – Convert macros to functions in the Python C API

  • PEP 674 – Disallow using macros as l-values

• Make structures opaque

  • bpo-39573: PyObject

  • bpo-40170: PyTypeObject

  • bpo-39947: PyThreadState

  • bpo-40421: PyFrameObject

  • bpo-47241: PyCodeObject