diff --git a/README.md b/README.md
deleted file mode 100644
index e69de29..0000000
diff --git a/dev-python/pycparserb/Manifest b/dev-python/pycparserb/Manifest
new file mode 100644
index 0000000..d02ac9a
--- /dev/null
+++ b/dev-python/pycparserb/Manifest
@@ -0,0 +1,3 @@
+DIST pycparser-2.14.tar.gz 223295 BLAKE2B 13dd4e36d7239db4fd6dfb77f08088bdbffa897ab75d748da5bd7297fe0a7dd751ba7153f8bf15f93494e347c653d1ebc7250907d2ccc555e785830e731e93dc SHA512 d5b9ab434a8944898ac23a4f51189db77b02b993bf3e3ca018852b117fc0eb43e460b156beaa5c1d631ad71c81e1649113e9fff7e33506b1e7d4de24d8b464c6
+DIST pycparser-2.19.tar.gz 158295 BLAKE2B 8836914e7549517f0c23a1c75457beefd013161f19c51a9f2a236ebd69466edd11235bf0a3f59c5cbece9e9e287eeb24b707bfa5afc30fcb079d134dcd4d9a80 SHA512 7f830e1c9066ee2d297a55e2bf6db4bf6447b6d9da0145d11a88c3bb98505755fb7986eafa6e06ae0b7680838f5e5d6a6d188245ca5ad45c2a727587bac93ab5
+DIST pycparser-2.20.tar.gz 161330 BLAKE2B 9a114e4b73e6c3c495bd78c393957146ec425eb5b15d72266cbf424f15e8d2e2e6402ef36d60a9dff41b393aab80fe1356befd25549517f398e129836a76b037 SHA512 ff0853c9f981b43b4f2e879350715c07b02cf9dab223d4980d8fe0a3138c98041b5f848a9355ae4f1cb45e7f137c03a88843008e18d77af9250e0d9c55f5ca1b
diff --git a/dev-python/pycparserb/metadata.xml b/dev-python/pycparserb/metadata.xml
new file mode 100644
index 0000000..27f42a2
--- /dev/null
+++ b/dev-python/pycparserb/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>python@gentoo.org</email>
+    <name>Python</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="pypi">pycparser</remote-id>
+    <remote-id type="github">eliben/pycparser</remote-id>
+  </upstream>
+</pkgmetadata>
diff --git a/dev-python/pycparserb/pycparser-2.14.ebuild b/dev-python/pycparserb/pycparser-2.14.ebuild
new file mode 100644
index 0000000..7c122a7
--- /dev/null
+++ b/dev-python/pycparserb/pycparser-2.14.ebuild
@@ -0,0 +1,34 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=5
+
+PYTHON_COMPAT=( python2_7 python3_6 pypy3 )
+
+inherit distutils-r1 vcs-snapshot
+
+DESCRIPTION="C parser and AST generator written in Python"
+HOMEPAGE="https://github.com/eliben/pycparser"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~x64-solaris"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="dev-python/ply[${PYTHON_USEDEP}]"
+DEPEND="${RDEPEND}
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? ( dev-python/nose[${PYTHON_USEDEP}] )"
+
+python_compile() {
+	distutils-r1_python_compile
+	pushd "${BUILD_DIR}/lib/pycparser" > /dev/null || die
+	"${PYTHON}" _build_tables.py || die
+	popd > /dev/null || die
+}
+
+python_test() {
+	nosetests || die
+}
diff --git a/dev-python/pycparserb/pycparser-2.19-r1.ebuild b/dev-python/pycparserb/pycparser-2.19-r1.ebuild
new file mode 100644
index 0000000..d6235a1
--- /dev/null
+++ b/dev-python/pycparserb/pycparser-2.19-r1.ebuild
@@ -0,0 +1,56 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 python3_{6,7,8} pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="C parser and AST generator written in Python"
+HOMEPAGE="https://github.com/eliben/pycparser"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="test"
+RESTRICT="!test? ( 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
+}
+
+python_install() {
+	distutils-r1_python_install
+
+	# setup.py generates {c_ast,lextab,yacctab}.py with bytecode disabled.
+	python_optimize
+}
diff --git a/dev-python/pycparserb/pycparser-2.20.ebuild b/dev-python/pycparserb/pycparser-2.20.ebuild
new file mode 100644
index 0000000..7f1f79c
--- /dev/null
+++ b/dev-python/pycparserb/pycparser-2.20.ebuild
@@ -0,0 +1,54 @@
+# 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
+
+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() {
+	# 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
+}