sci-libs/scikits_learn/scikits_learn-0.19.0.ebuild

   1 # Copyright 1999-2017 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 EAPI=6
   5
   6 PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
   7
   8 inherit distutils-r1 flag-o-matic
   9
  10 MYPN="${PN/scikits_/scikit-}"
  11 MYP="${MYPN}-${PV}"
  12
  13 DESCRIPTION="Python modules for machine learning and data mining"
  14 HOMEPAGE="http://scikit-learn.org"
  15 SRC_URI="mirror://pypi/${MYPN:0:1}/${MYPN}/${MYP}.tar.gz"
  16
  17 LICENSE="BSD"
  18 SLOT="0"
  19 KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
  20 IUSE="examples test"
  21
  22 # tried to unbundle virtual/python-funcsigs, funcsigs, odict
  23 # but it is a large mess to maintain
  24
  25 RDEPEND="
  26         dev-python/matplotlib[${PYTHON_USEDEP}]
  27         dev-python/nose[${PYTHON_USEDEP}]
  28         dev-python/numpy[lapack,${PYTHON_USEDEP}]
  29         sci-libs/scikits[${PYTHON_USEDEP}]
  30         sci-libs/scipy[${PYTHON_USEDEP}]
  31         virtual/blas:=
  32         virtual/cblas:=
  33 "
  34
  35 DEPEND="
  36         dev-python/cython[${PYTHON_USEDEP}]
  37         dev-python/numpy[lapack,${PYTHON_USEDEP}]
  38         dev-python/setuptools[${PYTHON_USEDEP}]
  39         sci-libs/scipy[${PYTHON_USEDEP}]
  40         virtual/blas:=
  41         virtual/cblas:=
  42 "
  43
  44 S="${WORKDIR}/${MYP}"
  45
  46 PATCHES=( "${FILESDIR}"/${PN}-0.18.1-system-cblas.patch )
  47
  48 python_prepare_all() {
  49         # bug #397605
  50         [[ ${CHOST} == *-darwin* ]] \
  51                 && append-ldflags -bundle "-undefined dynamic_lookup" \
  52                 || append-ldflags -shared
  53
  54         # scikits-learn now uses the horrible numpy.distutils automagic
  55         export SCIPY_FCONFIG="config_fc --noopt --noarch"
  56
  57         # remove bundled cblas
  58         rm -r sklearn/src || die
  59
  60         # commented out, since it is a mess to maintain
  61         # use system joblib
  62         #rm -r sklearn/externals/joblib || die
  63         #sed -i -e '/joblib/d' sklearn/externals/setup.py || die
  64         #for f in sklearn/{*/,}*.py; do
  65         #       sed -r -e '/^from/s/(sklearn|\.|)\.externals\.joblib/joblib/' \
  66         #               -e 's/from (sklearn|\.|)\.externals import/import/' -i $f || die
  67         #done
  68
  69         # use system funcsigs and odict
  70         #rm sklearn/externals/funcsigs.py || die
  71         #rm sklearn/externals/odict.py || die
  72         #for f in sklearn/{utils/fixes.py,gaussian_process/{tests/test_,}kernels.py}; do
  73         #       sed -r -e 's/from (sklearn|\.|)\.externals\.funcsigs/from funcsigs/' -i $f || die
  74         #done
  75         distutils-r1_python_prepare_all
  76 }
  77
  78 python_compile() {
  79         distutils-r1_python_compile ${SCIPY_FCONFIG}
  80 }
  81
  82 python_test() {
  83         # doc builds and runs tests
  84         use doc && return
  85         distutils_install_for_testing ${SCIPY_FCONFIG}
  86         esetup.py install \
  87                           --root="${T}/test-${EPYTHON}" \
  88                           --no-compile ${SCIPY_FCONFIG}
  89         pushd "${T}/test-${EPYTHON}/$(python_get_sitedir)" || die > /dev/null
  90         JOBLIB_MULTIPROCESSING=2 SKLEARN_SKIP_NETWORK_TESTS=1 nosetests -v sklearn --exe || die
  91         popd > /dev/null
  92 }
  93
  94 python_install() {
  95         distutils-r1_python_install ${SCIPY_FCONFIG}
  96 }
  97
  98 python_install_all() {
  99         find "${S}" -name \*LICENSE.txt -delete
 100         distutils-r1_python_install_all
 101         if use examples; then
 102                 dodoc -r examples
 103                 docompress -x /usr/share/doc/${PF}/examples
 104         fi
 105
 106 }