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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=setuptools
PYTHON_FULLY_TESTED=( python3_{11..14} )
PYTHON_TESTED=( "${PYTHON_FULLY_TESTED[@]}" pypy3_11 )
PYTHON_COMPAT=( "${PYTHON_TESTED[@]}" python3_{13,14}t )
PYTHON_REQ_USE="threads(+)"
inherit distutils-r1 multiprocessing pypi toolchain-funcs
DESCRIPTION="A Python to C compiler"
HOMEPAGE="
https://cython.org/
https://github.com/cython/cython/
https://pypi.org/project/Cython/
"
LICENSE="Apache-2.0"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
IUSE="test test-full"
RESTRICT="!test? ( test )"
BDEPEND="
${RDEPEND}
test? (
test-full? (
$(python_gen_cond_dep '
dev-python/numpy[${PYTHON_USEDEP}]
' "${PYTHON_FULLY_TESTED[@]}")
)
)
"
PATCHES=(
"${FILESDIR}/${PN}-0.29.22-spawn-multiprocessing.patch"
"${FILESDIR}/${PN}-0.29.23-pythran-parallel-install.patch"
)
distutils_enable_sphinx docs \
dev-python/jinja2 \
dev-python/sphinx-issues \
dev-python/sphinx-tabs
python_compile() {
# Python gets confused when it is in sys.path before build.
local -x PYTHONPATH=
if use elibc_musl ; then
# Workaround for bug #925318
local -x LDFLAGS="${LDFLAGS} -Wl,-z,stack-size=2097152"
fi
distutils-r1_python_compile
}
python_test() {
# PYTHON_TESTED controls whether we expect the testsuite to
# pass at all, while PYTHON_FULLY_TESTED allows skipping before
# numpy is ported (and possibly other deps in future).
if ! has "${EPYTHON/./_}" "${PYTHON_TESTED[@]}"; then
einfo "Skipping tests on ${EPYTHON} (xfail)"
return
fi
# Needed to avoid confusing cache tests
unset CYTHON_FORCE_REGEN
tc-export CC
local testargs=(
-vv
-j "$(makeopts_jobs)"
--work-dir "${BUILD_DIR}"/tests
--no-examples
--no-code-style
# Fails to find embedded.c
--exclude 'embedded'
# coverage_installed_pkg needs dev-python/pip and doesn't like
# 'externally-managed' (bug #927995), but we don't really
# want automagic test dependencies at all, so just skip
# unimportant-for-us coverage tests entirely.
--exclude 'run.coverage*'
--exclude 'Cython.Coverage'
# Automagic on dev-python/python-tests, could add this in future
--exclude 'run.test_exceptions'
# TODO: Unpackaged dev-python/interpreters-pep-734 (interpreters_backport)
# This only shows up as a failure with >=3.13.
--exclude 'subinterpreters_threading_stress_test'
# The fix for https://github.com/cython/cython/issues/6938
# changes these tests s.t. they break with our build layout.
--exclude 'build.depfile*'
)
if [[ ${EPYTHON} == pypy3* ]] ; then
testargs+=(
# Recursion issue
--exclude 'run.if_else_expr'
--exclude 'run.test_patma*'
# Slight output difference (missing '<')
--exclude 'run.cpp_exception_ptr_just_handler'
)
fi
# Keep test-full for numpy as it's large and doesn't pass tests itself
# on niche arches.
if ! use test-full || ! has "${EPYTHON/./_}" "${PYTHON_FULLY_TESTED[@]}"; then
testargs+=(
--exclude 'run.numpy*'
--exclude 'run.ufunc'
--exclude 'numpy*'
)
fi
"${PYTHON}" runtests.py "${testargs[@]}" || die "Tests fail with ${EPYTHON}"
}
python_install_all() {
local DOCS=( CHANGES.rst README.rst ToDo.txt USAGE.txt )
distutils-r1_python_install_all
}
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