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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=${PV}
inherit fortran-2 distutils-r1 flag-o-matic git-r3 multiprocessing toolchain-funcs
DESCRIPTION="Scientific algorithms library for Python"
HOMEPAGE="https://www.scipy.org/"
EGIT_REPO_URI="https://github.com/scipy/scipy.git"
LICENSE="BSD LGPL-2"
SLOT="0"
KEYWORDS=""
IUSE="sparse test"
RESTRICT="!test? ( test )"
CDEPEND="
>=dev-python/numpy-1.10[lapack,${PYTHON_USEDEP}]
sci-libs/arpack:0=
virtual/cblas
virtual/lapack
sparse? ( sci-libs/umfpack:0= )"
DEPEND="${CDEPEND}
dev-lang/swig
>=dev-python/cython-0.23.4[${PYTHON_USEDEP}]
virtual/pkgconfig
test? ( dev-python/nose[${PYTHON_USEDEP}] )
"
RDEPEND="${CDEPEND}
dev-python/pillow[${PYTHON_USEDEP}]"
DOCS=( HACKING.rst.txt THANKS.txt )
DISTUTILS_IN_SOURCE_BUILD=1
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() {
${EPYTHON} tools/cythonize.py || die
distutils-r1_python_compile \
"-j $(makeopts_jobs)" \
${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 ${TEST_DIR} available"
einfo "Run test I"
"${PYTHON}" -c \
'import numpy as np; print("relaxed strides checking:", np.ones((10,1),order="C").flags.f_contiguous)' \
|| die
einfo "Run test II"
# https://github.com/scipy/scipy/issues/5426
"${EPYTHON}" -c \
"import scipy, sys; r = scipy.test('fast', verbose=2, raise_warnings='release'); sys.exit(0 if r.wasSuccessful() else 1)" \
|| die "Tests fail with ${EPYTHON}"
# "${EPYTHON}" -c \
# "import scipy, sys; r = scipy.test('fast',verbose=2); sys.exit(0 if r.wasSuccessful() else 1)" \
# || die "Tests fail with ${EPYTHON}"
}
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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