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Stop shipping free-threaded (cp314t) wheels #155

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Merged
antonio-leblanc merged 1 commit into from
Aug 12, 2026
Merged

Stop shipping free-threaded (cp314t) wheels #155

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9 changes: 8 additions & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ classifiers = [
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Programming Language :: Python :: 3.14",
"Topic :: Scientific/Engineering",
"Operating System :: POSIX :: Linux",
"Operating System :: MacOS :: MacOS X",
Expand Down Expand Up @@ -82,7 +83,13 @@ regex = '''ff_version\s*=\s*"v?(?P<value>\d+\.\d+\.\d+)"'''
[tool.cibuildwheel]
# 32-bit and musl targets have no usable NetCDF C++4 story, and PyPy cannot
# load the pybind11 module built here.
skip = ["pp*", "*-musllinux_*", "*_i686", "*-win32"]
# cp314t is the free-threaded build. An extension that does not declare
# `py::mod_gil_not_used()` makes the interpreter re-enable the GIL on import,
# so such a wheel advertises free-threading while silently switching it off.
# _pyforefire makes no such declaration, and the C++ core keeps mutable global
# state (see FireDomain's model registries and SimulationParameters), so it is
# not safe to run without the GIL. Revisit only once that is addressed.
skip = ["pp*", "*-musllinux_*", "*_i686", "*-win32", "cp314t-*"]
test-command = [
"python {project}/tests/python/test_wheel.py",
"forefire -v",
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