summaryrefslogtreecommitdiff
blob: 600343fdf194bdb093a715a0890f40ad6b871cba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
# 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..13} pypy3 )
PYTHON_REQ_USE="threads(+)"
FORTRAN_NEEDED=lapack

inherit distutils-r1 flag-o-matic fortran-2 pypi

DESCRIPTION="Fast array and numerical python library"
HOMEPAGE="
	https://numpy.org/
	https://github.com/numpy/numpy/
	https://pypi.org/project/numpy/
"

LICENSE="BSD"
SLOT="0/2"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
# +lapack because the internal fallbacks are pretty slow. Building without blas
# is barely supported anyway, see bug #914358.
IUSE="+lapack"

RDEPEND="
	lapack? (
		>=virtual/cblas-3.8
		>=virtual/lapack-3.8
	)
"
BDEPEND="
	${RDEPEND}
	>=dev-build/meson-1.1.0
	>=dev-python/cython-3.0.6[${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]'
	)

	if [[ $(uname -m) == 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

	case ${EPYTHON} in
		python3.13)
			EPYTEST_DESELECT+=(
				_core/tests/test_nditer.py::test_iter_refcount
				_core/tests/test_limited_api.py::test_limited_api
				f2py/tests/test_f2py2e.py::test_gh22819_cli
			)
			;&
		python3.12)
			EPYTEST_DESELECT+=(
				# flaky
				f2py/tests/test_crackfortran.py
				f2py/tests/test_data.py::TestData::test_crackedlines
				f2py/tests/test_data.py::TestDataF77::test_crackedlines
				f2py/tests/test_f2py2e.py::test_gen_pyf
			)
			;;
	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
}