--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} pypy )
+
+inherit distutils-r1 eutils toolchain-funcs
+
+DESCRIPTION="A Pythonic binding for the libxml2 and libxslt libraries"
+HOMEPAGE="https://lxml.de/ https://pypi.org/project/lxml/ https://github.com/lxml/lxml"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD ElementTree GPL-2 PSF-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x64-cygwin ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
+IUSE="doc examples +threads test"
+
+# Note: lib{xml2,xslt} are used as C libraries, not Python modules.
+RDEPEND="
+ >=dev-libs/libxml2-2.9.5
+ >=dev-libs/libxslt-1.1.28"
+DEPEND="${RDEPEND}"
+BDEPEND="
+ virtual/pkgconfig
+ $(python_gen_cond_dep 'dev-python/cython[${PYTHON_USEDEP}]' python2_7 'python3*')
+ dev-python/setuptools[${PYTHON_USEDEP}]
+ test? ( dev-python/cssselect[${PYTHON_USEDEP}] )
+ "
+
+DISTUTILS_IN_SOURCE_BUILD=1
+
+PATCHES=(
+ "${FILESDIR}"/${PN}-3.5.0-cross-compile.patch
+)
+
+python_prepare_all() {
+ # avoid replacing PYTHONPATH in tests.
+ sed -i -e '/sys\.path/d' test.py || die
+
+ # apparently logs have changed with libxslt upgrade
+ # https://bugs.launchpad.net/lxml/+bug/1782078
+ sed -i -e '/assertEqual(4, len(log)/d' src/lxml/tests/test_threading.py || die
+
+ # don't use some random SDK on Darwin
+ sed -i -e '/_ldflags =/s/=.*isysroot.*darwin.*None/= None/' \
+ setupinfo.py || die
+
+ distutils-r1_python_prepare_all
+}
+
+python_compile() {
+ if ! python_is_python3; then
+ local -x CFLAGS="${CFLAGS} -fno-strict-aliasing"
+ fi
+ tc-export PKG_CONFIG
+ distutils-r1_python_compile
+}
+
+python_test() {
+ cp -r -l src/lxml/tests "${BUILD_DIR}"/lib/lxml/ || die
+ cp -r -l src/lxml/html/tests "${BUILD_DIR}"/lib/lxml/html/ || die
+ ln -s "${S}"/doc "${BUILD_DIR}"/ || die
+
+ "${EPYTHON}" test.py -vv --all-levels -p || die "Test ${test} fails with ${EPYTHON}"
+}
+
+python_install_all() {
+ if use doc; then
+ local DOCS=( README.rst *.txt doc/*.txt )
+ local HTML_DOCS=( doc/html/. )
+ fi
+ if use examples; then
+ dodoc -r samples
+ fi
+
+ distutils-r1_python_install_all
+}
+
+pkg_postinst() {
+ optfeature "Support for BeautifulSoup as a parser backend" dev-python/beautifulsoup
+ optfeature "Translates CSS selectors to XPath 1.0 expressions" dev-python/cssselect
+}