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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python2_7 python3_{6,7,8} pypy3 )
inherit distutils-r1 toolchain-funcs
DESCRIPTION="C parser and AST generator written in Python"
HOMEPAGE="https://github.com/eliben/pycparser"
SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha amd64 arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 s390 sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
RDEPEND="dev-python/ply:=[${PYTHON_USEDEP}]"
BDEPEND="${RDEPEND}
dev-python/setuptools[${PYTHON_USEDEP}]"
python_prepare_all() {
# remove the original files to guarantee their regen
rm pycparser/{c_ast,lextab,yacctab}.py || die
# kill sys.path manipulations to force the tests to use built files
sed -i -e '/sys\.path/d' tests/*.py || die
distutils-r1_python_prepare_all
}
python_compile() {
distutils-r1_python_compile
# note: tables built by py3.5+ are incompatible with older versions
# because of 100 group limit of 're' module -- just generate them
# separately optimized for each target instead
pushd "${BUILD_DIR}"/lib/pycparser > /dev/null || die
"${PYTHON}" _build_tables.py || die
popd > /dev/null || die
}
python_test() {
# Trick the tests into using CPP variable
# https://bugs.gentoo.org/719934
local CPP="$(tc-getCPP)"
mkdir -p "${T}"/bin || die
cat > "${T}"/bin/cpp <<-EOF || die
#!/bin/sh
exec ${CPP} "\$@"
EOF
chmod +x "${T}"/bin/cpp || die
local -x PATH="${T}/bin:${PATH}"
# change workdir to avoid '.' import
cd tests || die
${EPYTHON} -m unittest discover -v || die "Tests fail with ${EPYTHON}"
}
python_install() {
distutils-r1_python_install
# setup.py generates {c_ast,lextab,yacctab}.py with bytecode disabled.
python_optimize
}
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