summaryrefslogtreecommitdiff
blob: 7ddd70d6ffe150cae07cd61f50bfe040a55c3893 (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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python3_{8..10} )
PYTHON_REQ_USE="threads(+)"

inherit fortran-2 distutils-r1 flag-o-matic toolchain-funcs

# upstream is slacking forever with doc updates
DOC_PV=1.7.1
DESCRIPTION="Scientific algorithms library for Python"
HOMEPAGE="https://www.scipy.org/"
SRC_URI="
	mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz
	doc? (
		https://docs.scipy.org/doc/${PN}-${DOC_PV}/${PN}-html-${DOC_PV}.zip
		https://docs.scipy.org/doc/${PN}-${DOC_PV}/${PN}-ref-${DOC_PV}.pdf
	)"

LICENSE="BSD LGPL-2"
SLOT="0"
KEYWORDS="~amd64 ~arm ~arm64 -hppa ~ia64 ~ppc64 ~riscv ~s390 ~sparc ~x86"
IUSE="doc +pythran sparse"

DEPEND="
	>=dev-python/numpy-1.16.5[lapack,${PYTHON_USEDEP}]
	sci-libs/arpack:0=
	virtual/cblas
	virtual/lapack
	sparse? ( sci-libs/umfpack:0= )"
RDEPEND="${DEPEND}
	dev-python/pillow[${PYTHON_USEDEP}]"
BDEPEND="
	dev-lang/swig
	>=dev-python/cython-0.29.18[${PYTHON_USEDEP}]
	dev-python/pybind11[${PYTHON_USEDEP}]
	virtual/pkgconfig
	doc? ( app-arch/unzip )
	pythran? ( dev-python/pythran[${PYTHON_USEDEP}] )
	test? (
		dev-python/nose[${PYTHON_USEDEP}]
	)"

DISTUTILS_IN_SOURCE_BUILD=1

distutils_enable_tests pytest

PATCHES=(
	"${FILESDIR}"/${PN}-1.7.1-pythran-tests-32-bit.patch
)

src_unpack() {
	default
	if use doc; then
		unzip -qo "${DISTDIR}"/${PN}-html-${DOC_PV}.zip -d html || die
	fi
}

pc_incdir() {
	$(tc-getPKG_CONFIG) --cflags-only-I $@ | \
		sed -e 's/^-I//' -e 's/[ ]*-I/:/g' -e 's/[ ]*$//' -e 's|^:||'
}

pc_libdir() {
	$(tc-getPKG_CONFIG) --libs-only-L $@ | \
		sed -e 's/^-L//' -e 's/[ ]*-L/:/g' -e 's/[ ]*$//' -e 's|^:||'
}

pc_libs() {
	$(tc-getPKG_CONFIG) --libs-only-l $@ | \
		sed -e 's/[ ]-l*\(pthread\|m\)\([ ]\|$\)//g' \
		-e 's/^-l//' -e 's/[ ]*-l/,/g' -e 's/[ ]*$//' \
		| tr ',' '\n' | sort -u | tr '\n' ',' | sed -e 's|,$||'
}

python_prepare_all() {
	# scipy automatically detects libraries by default
	export {FFTW,FFTW3,UMFPACK}=None
	use sparse && unset UMFPACK
	# the missing symbols are in -lpythonX.Y, but since the version can
	# differ, we just introduce the same scaryness as on Linux/ELF
	[[ ${CHOST} == *-darwin* ]] \
		&& append-ldflags -bundle "-undefined dynamic_lookup" \
		|| append-ldflags -shared
	[[ -z ${FC}  ]] && export FC="$(tc-getFC)"
	# hack to force F77 to be FC until bug #278772 is fixed
	[[ -z ${F77} ]] && export F77="$(tc-getFC)"
	export F90="${FC}"
	export SCIPY_FCONFIG="config_fc --noopt --noarch"
	append-fflags -fPIC

	local libdir="${EPREFIX}"/usr/$(get_libdir)
	cat >> site.cfg <<-EOF || die
		[blas]
		include_dirs = $(pc_incdir cblas)
		library_dirs = $(pc_libdir cblas blas):${libdir}
		blas_libs = $(pc_libs cblas blas)
		[lapack]
		library_dirs = $(pc_libdir lapack):${libdir}
		lapack_libs = $(pc_libs lapack)
	EOF
	cat >> setup.cfg <<-EOF || die
		[options]
		zip_safe = False
	EOF

	# TODO
	sed -e "s:== 'levy_stable':in ('levy_stable', 'crystalball', 'ncf'):" \
		-i scipy/stats/tests/test_continuous_basic.py || die

	# Skip known-failing test. Broken on all versions in Gentoo for years.
	# bug #743295
	sed -e 's:test_bisplev_integer_overflow:_&:' \
			-i scipy/interpolate/tests/test_fitpack.py || die

	# Skip a few 32-bit related failures
	if use x86 ; then
		# TODO: Tidy this up and switch to epytest
		sed -i -e 's:test_nd_axis_m1:_&:' \
			-e 's:test_nd_axis_0:_&:' \
			-e 's:test_maxiter_worsening:_&:' \
			-e 's:test_pdist_jensenshannon_iris:_&:' \
			-e 's:test_align_vectors_single_vector:_&:' \
			scipy/signal/tests/test_spectral.py \
			scipy/sparse/linalg/isolve/tests/test_iterative.py \
			scipy/spatial/tests/test_distance.py \
			scipy/spatial/transform/tests/test_rotation.py || die
	fi

	if has_version ">=sci-libs/lapack-3.10"; then
		sed -e 's:test_sort(:_&:' \
			-i scipy/linalg/tests/test_decomp.py || die
		sed -e 's:test_solve_discrete_are:_&:' \
			-i scipy/linalg/tests/test_solvers.py || die
	fi

	distutils-r1_python_prepare_all
}

python_configure_all() {
	export SCIPY_USE_PYTHRAN=$(usex pythran 1 0)

	# bug 721860
	test-flag-FC -fallow-argument-mismatch &&
		append-fflags -fallow-argument-mismatch
}

python_compile() {
	# FIXME: parallel python building fails, bug #614464
	export MAKEOPTS=-j1

	${EPYTHON} tools/cythonize.py || die
	distutils-r1_python_compile \
		${SCIPY_FCONFIG}
}

python_test() {
	# fails with bdist_egg. should it be fixed in distutils-r1 eclass?
	distutils_install_for_testing ${SCIPY_FCONFIG}
	cd "${TEST_DIR}/lib" || die "no ${TEST_DIR} available"
	PYTHONPATH=. "${EPYTHON}" -c "
import scipy, sys
r = scipy.test('fast', verbose=2)
sys.exit(0 if r else 1)" || die "Tests fail with ${EPYTHON}"
}

python_install_all() {
	use doc && \
		local DOCS=( "${DISTDIR}"/${PN}-ref-${DOC_PV}.pdf ) \
		local HTML_DOCS=( "${WORKDIR}"/html/. )
	distutils-r1_python_install_all
}

python_install() {
	distutils-r1_python_install ${SCIPY_FCONFIG}
	python_optimize
}

pkg_postinst() {
	elog "You might want to set the variable SCIPY_PIL_IMAGE_VIEWER"
	elog "to your prefered image viewer. Example:"
	elog "    echo \"export SCIPY_PIL_IMAGE_VIEWER=display\" >> ~/.bashrc"
}