dev-python/pycparser: Bump to 2.19 (bugfix)

Closes: https://bugs.gentoo.org/671830
Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/pycparser/Manifest

@@ -1,2 +1,3 @@
 DIST pycparser-2.14.tar.gz 223295 BLAKE2B 13dd4e36d7239db4fd6dfb77f08088bdbffa897ab75d748da5bd7297fe0a7dd751ba7153f8bf15f93494e347c653d1ebc7250907d2ccc555e785830e731e93dc SHA512 d5b9ab434a8944898ac23a4f51189db77b02b993bf3e3ca018852b117fc0eb43e460b156beaa5c1d631ad71c81e1649113e9fff7e33506b1e7d4de24d8b464c6
 DIST pycparser-2.18.tar.gz 245897 BLAKE2B 2f47263c73763f9d76edcb0d90aacd2e6cf0a68ed2e8c5825a0788a5ccb6574167220a5bb7605b2c11dda8956ce8fb1ad28eeb8e91fed7aa0282191b11478b63 SHA512 4754e4e7556d21da328bf7dbabf72f940c9b18f1457260d48208033b05e576919f45ab399e86ea49e82120116980d7d6f53e8b959d21b7b03a3b5bbea3672f13
+DIST pycparser-2.19.tar.gz 158295 BLAKE2B 8836914e7549517f0c23a1c75457beefd013161f19c51a9f2a236ebd69466edd11235bf0a3f59c5cbece9e9e287eeb24b707bfa5afc30fcb079d134dcd4d9a80 SHA512 7f830e1c9066ee2d297a55e2bf6db4bf6447b6d9da0145d11a88c3bb98505755fb7986eafa6e06ae0b7680838f5e5d6a6d188245ca5ad45c2a727587bac93ab5

dev-python/pycparser/pycparser-2.19.ebuild

@@ -0,0 +1,48 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} pypy pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="C parser and AST generator written in Python"
+HOMEPAGE="https://github.com/eliben/pycparser"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x64-cygwin ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="test"
+
+RDEPEND="dev-python/ply:=[${PYTHON_USEDEP}]"
+DEPEND="${RDEPEND}
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? ( dev-python/nose[${PYTHON_USEDEP}] )"
+
+python_prepare_all() {
+	# remove the original files to guarantee their regen
+	rm pycparser/{c_ast,lextab,yacctab}.py || die
+
+	# kill sys.path manipulations to force the tests to use built files
+	sed -i -e '/sys\.path/d' tests/*.py || die
+
+	distutils-r1_python_prepare_all
+}
+
+python_compile() {
+	distutils-r1_python_compile
+
+	# note: tables built by py3.5+ are incompatible with older versions
+	# because of 100 group limit of 're' module -- just generate them
+	# separately optimized for each target instead
+	pushd "${BUILD_DIR}"/lib/pycparser > /dev/null || die
+	"${PYTHON}" _build_tables.py || die
+	popd > /dev/null || die
+}
+
+python_test() {
+	# change workdir to avoid '.' import
+	nosetests -v -w tests || die
+}