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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=meson-python
PYTHON_COMPAT=( python3_{10..12} pypy3 )
PYTHON_REQ_USE="threads(+)"
FORTRAN_NEEDED=lapack
inherit distutils-r1 flag-o-matic fortran-2 pypi toolchain-funcs
DESCRIPTION="Fast array and numerical python library"
HOMEPAGE="
https://numpy.org/
https://github.com/numpy/numpy/
https://pypi.org/project/numpy/
"
LICENSE="BSD"
SLOT="0"
# +lapack because the internal fallbacks are pretty slow. Building without blas
# is barely supported anyway, see bug #914358.
IUSE="+lapack"
if [[ ${PV} != *_[rab]* ]] ; then
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
fi
RDEPEND="
lapack? (
>=virtual/cblas-3.8
>=virtual/lapack-3.8
)
"
BDEPEND="
${RDEPEND}
>=dev-build/meson-1.1.0
>=dev-python/cython-3.0.0[${PYTHON_USEDEP}]
lapack? (
virtual/pkgconfig
)
test? (
$(python_gen_cond_dep '
>=dev-python/cffi-1.14.0[${PYTHON_USEDEP}]
' 'python*')
dev-python/charset-normalizer[${PYTHON_USEDEP}]
>=dev-python/hypothesis-5.8.0[${PYTHON_USEDEP}]
>=dev-python/pytz-2019.3[${PYTHON_USEDEP}]
)
"
EPYTEST_XDIST=1
distutils_enable_tests pytest
python_prepare_all() {
# bug #922457
filter-lto
# https://github.com/numpy/numpy/issues/25004
append-flags -fno-strict-aliasing
distutils-r1_python_prepare_all
}
python_configure_all() {
DISTUTILS_ARGS=(
-Dallow-noblas=$(usex !lapack true false)
-Dblas=$(usev lapack cblas)
-Dlapack=$(usev lapack lapack)
# TODO: cpu-* options
)
}
python_test() {
local EPYTEST_DESELECT=(
# Very disk-and-memory-hungry
lib/tests/test_io.py::TestSaveTxt::test_large_zip
lib/tests/test_io.py::TestSavezLoad::test_closing_fid
lib/tests/test_io.py::TestSavezLoad::test_closing_zipfile_after_load
# Precision problems
core/tests/test_umath_accuracy.py::TestAccuracy::test_validate_transcendentals
# Runs the whole test suite recursively, that's just crazy
core/tests/test_mem_policy.py::test_new_policy
typing/tests/test_typing.py
# Uses huge amount of memory
core/tests/test_mem_overlap.py
'core/tests/test_multiarray.py::TestDot::test_huge_vectordot[complex128]'
# TODO: crashes
lib/tests/test_histograms.py::TestHistogram::test_big_arrays
# likely a test problem
# https://github.com/numpy/numpy/issues/25135
core/tests/test_cython.py::test_conv_intp
# flaky
f2py/tests/test_crackfortran.py
f2py/tests/test_data.py::TestData{,F77}::test_crackedlines
)
if use arm && [[ $(uname -m || echo "unknown") == "armv8l" ]] ; then
# Degenerate case of arm32 chroot on arm64, bug #774108
EPYTEST_DESELECT+=(
core/tests/test_cpu_features.py::Test_ARM_Features::test_features
)
fi
if use x86 ; then
EPYTEST_DESELECT+=(
# https://github.com/numpy/numpy/issues/18388
core/tests/test_umath.py::TestRemainder::test_float_remainder_overflow
# https://github.com/numpy/numpy/issues/18387
random/tests/test_generator_mt19937.py::TestRandomDist::test_pareto
# more precision problems
core/tests/test_einsum.py::TestEinsum::test_einsum_sums_int16
# https://github.com/numpy/numpy/issues/24548
f2py/tests/test_kind.py::TestKind::test_int
)
fi
if use ppc64 ; then
EPYTEST_DESELECT+=(
core/tests/test_cpu_features.py::TestEnvPrivation::test_impossible_feature_enable
)
fi
if use hppa ; then
EPYTEST_DESELECT+=(
# TODO: Get selectedrealkind updated!
# bug #907228
# https://github.com/numpy/numpy/issues/3424 (https://github.com/numpy/numpy/issues/3424#issuecomment-412369029)
# https://github.com/numpy/numpy/pull/21785
f2py/tests/test_kind.py::TestKind::test_real
f2py/tests/test_kind.py::TestKind::test_quad_precision
)
fi
if [[ $(tc-endian) == "big" ]] ; then
# https://github.com/numpy/numpy/issues/11831 and bug #707116
EPYTEST_DESELECT+=(
'f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f77[s1]'
'f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f90[t1]'
'f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f90[s1]'
'f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f77[t1]'
f2py/tests/test_kind.py::TestKind::test_int
)
fi
case "${ABI}" in
alpha|arm|hppa|m68k|o32|ppc|s390|sh|sparc|x86)
EPYTEST_DESELECT+=(
# too large for 32-bit platforms
core/tests/test_ufunc.py::TestUfunc::test_identityless_reduction_huge_array
'core/tests/test_multiarray.py::TestDot::test_huge_vectordot[float64]'
'core/tests/test_multiarray.py::TestDot::test_huge_vectordot[complex128]'
)
;;
*)
;;
esac
if ! has_version -b "~${CATEGORY}/${P}[${PYTHON_USEDEP}]" ; then
# depends on importing numpy.random from system namespace
EPYTEST_DESELECT+=(
'random/tests/test_extending.py::test_cython'
)
fi
rm -rf numpy || die
local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
epytest --pyargs numpy
}
python_install_all() {
local DOCS=( LICENSE.txt README.md THANKS.txt )
distutils-r1_python_install_all
}
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