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Update top-level Python project for CMake compatibility.

This commit reimplements the (no longer recommended) setuptools based
build system using a standards-based in-tree PEP517 build backend.
The implementation is partially based on
  https://codeberg.org/ziglang/zig-pypi/src/branch/main/make_wheels.py
which is licensed under BSD-0-clause.

It also adds a new option `YOSYS_BUILD_PYTHON_ONLY` that is available
only if the binary or the library aren't going to be installed, which
turns off these targets entirely, as well as some dependent ones
(e.g. tests).

Co-authored-by: Mohamed Gaber <me@donn.website>
This commit is contained in:
Catherine 2026-05-27 07:58:18 +00:00
parent 780588f28c
commit afc0e78d11
15 changed files with 321 additions and 294 deletions

View file

@ -1,11 +1,13 @@
[build-system]
requires = [
"setuptools>=42",
"wheel",
"packaging",
"pybind11>=3,<4",
"cxxheaderparser"
"cxxheaderparser",
]
build-backend = "setuptools.build_meta"
backend-path = ["pyosys/build"]
build-backend = "local_backend"
[tool.ruff]
target-version = "py38"
target-version = "py310"
lint.ignore = ["F541"]