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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python2_7 python3_{6,7} )
PYTHON_REQ_USE="threads(+)"
DOC_PV=${PV}
inherit fortran-2 distutils-r1 flag-o-matic multiprocessing toolchain-funcs
DESCRIPTION="Scientific algorithms library for Python"
HOMEPAGE="https://www.scipy.org/"
SRC_URI="
mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz
doc? (
https://docs.scipy.org/doc/${PN}-${DOC_PV}/${PN}-html-${PV}.zip -> ${PN}-${DOC_PV}-html.zip
https://docs.scipy.org/doc/${PN}-${DOC_PV}/${PN}-ref-${PV}.pdf -> ${PN}-${DOC_PV}-ref.pdf
)"
LICENSE="BSD LGPL-2"
SLOT="0"
IUSE="doc sparse test"
RESTRICT="!test? ( test )"
KEYWORDS="amd64 ~arm ppc ppc64 x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
CDEPEND="
>=dev-python/numpy-1.10[lapack,${PYTHON_USEDEP}]
sci-libs/arpack:0=
virtual/cblas
virtual/lapack
sparse? ( sci-libs/umfpack:0= )"
DEPEND="${CDEPEND}
dev-lang/swig
>=dev-python/cython-0.22[${PYTHON_USEDEP}]
>=dev-python/setuptools-36[${PYTHON_USEDEP}]
virtual/pkgconfig
doc? ( app-arch/unzip )
test? (
dev-python/nose[${PYTHON_USEDEP}]
dev-python/pytest[${PYTHON_USEDEP}]
)"
RDEPEND="${CDEPEND}
dev-python/pillow[${PYTHON_USEDEP}]"
DOCS=( HACKING.rst.txt THANKS.txt )
DISTUTILS_IN_SOURCE_BUILD=1
src_unpack() {
default
if use doc; then
unzip -qo "${DISTDIR}"/${PN}-${DOC_PV}-html.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
# Drop hashes to force rebuild of cython based .c code
rm cythonize.dat || die
distutils-r1_python_prepare_all
}
python_compile() {
# FIXME: parallel python building fails, bug #614464
${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}" || die "no ${TEST_DIR} available"
"${PYTHON}" -c \
'import numpy as np; print("relaxed strides checking:", np.ones((10,1),order="C").flags.f_contiguous)' \
|| die
"${EPYTHON}" -c \
"import scipy, sys; r = scipy.test('fast', verbose=2); sys.exit(r)" \
|| die "Tests fail with ${EPYTHON}"
}
python_install_all() {
use doc && \
local DOCS=( "${DISTDIR}"/${PN}-${DOC_PV}-ref.pdf ) \
local HTML_DOCS=( "${WORKDIR}"/html/. )
distutils-r1_python_install_all
}
python_install() {
distutils-r1_python_install ${SCIPY_FCONFIG}
}
pkg_postinst() {
elog "You might want to set the variable SCIPY_PIL_IMAGE_VIEWER"
elog "to your prefered image viewer. Example:"
elog "\t echo \"export SCIPY_PIL_IMAGE_VIEWER=display\" >> ~/.bashrc"
}
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