Add python:3.7 support

Signed-off-by: Martin Väth <mvath@google.com>

3 files changed, 357 insertions, 0 deletions

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index aea2b593..6726cee5 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -1,2 +1,4 @@
 DIST Python-3.6.9.tar.xz 17212164 SHA512 05de9c6f44d96a52bfce10ede4312de892573edaf8bece65926d19973a3a800d65eed7a857af945f69efcfb25efa3788e7a54016b03d80b611eb51c3ea074819
+DIST Python-3.7.5.tar.xz 17236432 SHA512 f4f3879881f260f58dbb041fb0f2f210d4b70b02a739e41e50e6fea67d31855a7a29ce4ebef66bfde3d0edf54b946a48f78490f986da965357b835d4dbb3f414
 DIST python-gentoo-patches-3.6.8.tar.xz 11224 SHA512 89e700663db25d6d78eee1d4bfdab686c5341a794062f3a63df3485ac0b58deb4b4885d24701f3ae138d06ca783be92e310e1100c6d633910c33732f3cb0d7df
+DIST python-gentoo-patches-3.7.4-1.tar.xz 10100 SHA512 11b0e811a9890a1235c85426061b35f9964eba64cac0536f4c9e0498b1cc66eb005f14aed34eead735b43e91c2b5babced60e3310f5329231a1706871b95b547
diff --git a/dev-lang/python/files/python-3.7.5-hashlib.patch b/dev-lang/python/files/python-3.7.5-hashlib.patch
new file mode 100644
index 00000000..a70a4796
--- /dev/null
+++ b/dev-lang/python/files/python-3.7.5-hashlib.patch
@@ -0,0 +1,25 @@
+From 2c0c356ca109d1550bfb09b0da7dec3f80db77a3 Mon Sep 17 00:00:00 2001
+From: Mike Gilbert <floppym@gentoo.org>
+Date: Fri, 18 Oct 2019 16:39:16 -0400
+Subject: [PATCH] Call OPENSSL_init_crypto for openssl >= 1.1.0
+
+---
+ Modules/_hashopenssl.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
+index b13ade60496..8abbde5120f 100644
+--- a/Modules/_hashopenssl.c
++++ b/Modules/_hashopenssl.c
+@@ -1077,6 +1077,8 @@ PyInit__hashlib(void)
+     /* Load all digest algorithms and initialize cpuid */
+     OPENSSL_add_all_algorithms_noconf();
+     ERR_load_crypto_strings();
++#else
++    OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS|OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
+ #endif
+ 
+     /* TODO build EVP_functions openssl_* entries dynamically based
+-- 
+2.23.0
+
diff --git a/dev-lang/python/python-3.7.5-r1.ebuild b/dev-lang/python/python-3.7.5-r1.ebuild
new file mode 100644
index 00000000..edb536de
--- /dev/null
+++ b/dev-lang/python/python-3.7.5-r1.ebuild
@@ -0,0 +1,330 @@
+# Copyright 1999-2019 Gentoo Authors and Martin V\"ath
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+WANT_LIBTOOL="none"
+
+inherit autotools flag-o-matic pax-utils python-utils-r1 toolchain-funcs
+
+MY_P="Python-${PV}"
+PATCHSET_VERSION="3.7.4-1"
+
+DESCRIPTION="An interpreted, interactive, object-oriented programming language"
+HOMEPAGE="https://www.python.org/"
+SRC_URI="https://www.python.org/ftp/python/${PV}/${MY_P}.tar.xz
+	https://dev.gentoo.org/~floppym/python/python-gentoo-patches-${PATCHSET_VERSION}.tar.xz"
+
+LICENSE="PSF-2"
+SLOT="3.7/3.7m"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86"
+IUSE="bluetooth build examples gdbm hardened ipv6 libressl +ncurses +readline sqlite +ssl test tinfo tk wininst +xml"
+RESTRICT="!test? ( test )"
+
+# Do not add a dependency on dev-lang/python to this ebuild.
+# If you need to apply a patch which requires python for bootstrapping, please
+# run the bootstrap code on your dev box and include the results in the
+# patchset. See bug 447752.
+
+RDEPEND="app-arch/bzip2:0=
+	app-arch/xz-utils:0=
+	sys-apps/util-linux:0=
+	>=sys-libs/zlib-1.1.3:0=
+	virtual/libffi:=
+	virtual/libintl
+	gdbm? ( sys-libs/gdbm:0=[berkdb] )
+	ncurses? ( >=sys-libs/ncurses-5.2:0=[tinfo?] )
+	readline? ( >=sys-libs/readline-4.1:0= )
+	sqlite? ( >=dev-db/sqlite-3.3.8:3= )
+	ssl? (
+		!libressl? ( dev-libs/openssl:0= )
+		libressl? ( dev-libs/libressl:0= )
+	)
+	tk? (
+		>=dev-lang/tcl-8.0:0=
+		>=dev-lang/tk-8.0:0=
+		dev-tcltk/blt:0=
+		dev-tcltk/tix
+	)
+	xml? ( >=dev-libs/expat-2.1:0= )
+	!!<sys-apps/sandbox-2.6-r1"
+# bluetooth requires headers from bluez
+DEPEND="${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	test? ( app-arch/xz-utils[extra-filters(+)] )
+	virtual/pkgconfig
+	!sys-devel/gcc[libffi(-)]"
+RDEPEND+=" !build? ( app-misc/mime-types )"
+PDEPEND=">=app-eselect/eselect-python-20140125-r1"
+
+S="${WORKDIR}/${MY_P}"
+PYVER=${SLOT%/*}
+
+src_prepare() {
+	# Ensure that internal copies of expat, libffi and zlib are not used.
+	rm -fr Modules/expat
+	rm -fr Modules/_ctypes/libffi*
+	rm -fr Modules/zlib
+
+	local PATCHES=(
+		"${FILESDIR}/python-3.7.5-hashlib.patch"
+		"${WORKDIR}/patches"
+	)
+	! use tinfo || PATCHES+=("${FILESDIR}/curses_tinfo.patch")
+
+	default
+
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+		setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+	eautoreconf
+}
+
+src_configure() {
+	local disable
+	# disable automagic bluetooth headers detection
+	use bluetooth || export ac_cv_header_bluetooth_bluetooth_h=no
+	use gdbm     || disable+=" gdbm"
+	use ncurses  || disable+=" _curses _curses_panel"
+	use readline || disable+=" readline"
+	use sqlite   || disable+=" _sqlite3"
+	use ssl      || export PYTHON_DISABLE_SSL="1"
+	use tk       || disable+=" _tkinter"
+	use xml      || disable+=" _elementtree pyexpat" # _elementtree uses pyexpat.
+	export PYTHON_DISABLE_MODULES="${disable}"
+
+	if ! use xml; then
+		ewarn "You have configured Python without XML support."
+		ewarn "This is NOT a recommended configuration as you"
+		ewarn "may face problems parsing any XML documents."
+	fi
+
+	if [[ -n "${PYTHON_DISABLE_MODULES}" ]]; then
+		einfo "Disabled modules: ${PYTHON_DISABLE_MODULES}"
+	fi
+
+	if [[ "$(gcc-major-version)" -ge 4 ]]; then
+		append-flags -fwrapv
+	fi
+
+	filter-flags -malign-double
+
+	# https://bugs.gentoo.org/show_bug.cgi?id=50309
+	if is-flagq -O3; then
+		is-flagq -fstack-protector-all && replace-flags -O3 -O2
+		use hardened && replace-flags -O3 -O2
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python3.X/config/Makefile.
+	tc-export CXX
+
+	# Set LDFLAGS so we link modules with -lpython3.2 correctly.
+	# Needed on FreeBSD unless Python 3.2 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	# Fix implicit declarations on cross and prefix builds. Bug #674070.
+	use ncurses && append-cppflags -I"${ESYSROOT}"/usr/include/ncursesw
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+
+	local myeconfargs=(
+		--enable-shared
+		$(use_enable ipv6)
+		--infodir='${prefix}/share/info'
+		--mandir='${prefix}/share/man'
+		--with-computed-gotos
+		--with-dbmliborder="${dbmliborder}"
+		--with-libc=
+		--enable-loadable-sqlite-extensions
+		--without-ensurepip
+		--with-system-expat
+		--with-system-ffi
+	)
+
+	OPT="" econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+	# Ensure sed works as expected
+	# https://bugs.gentoo.org/594768
+	local -x LC_ALL=C
+
+	emake CPPFLAGS= CFLAGS= LDFLAGS=
+
+	# Work around bug 329499. See also bug 413751 and 457194.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E python
+	else
+		pax-mark m python
+	fi
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	# Skip failing tests.
+	local skipped_tests="gdb"
+
+	for test in ${skipped_tests}; do
+		mv "${S}"/Lib/test/test_${test}.py "${T}"
+	done
+
+	# bug 660358
+	local -x COLUMNS=80
+
+	local -x PYTHONDONTWRITEBYTECODE=
+
+	emake test EXTRATESTOPTS="-u-network" CPPFLAGS= CFLAGS= LDFLAGS= < /dev/tty
+	local result=$?
+
+	for test in ${skipped_tests}; do
+		mv "${T}/test_${test}.py" "${S}"/Lib/test
+	done
+
+	elog "The following tests have been skipped:"
+	for test in ${skipped_tests}; do
+		elog "test_${test}.py"
+	done
+
+	elog "If you would like to run them, you may:"
+	elog "cd '${EPREFIX}/usr/lib/python${PYVER}/test'"
+	elog "and run the tests separately."
+
+	if [[ ${result} -ne 0 ]]; then
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	local libdir=${ED%/}/usr/lib/python${PYVER}
+
+	emake DESTDIR="${D}" altinstall
+
+	sed \
+		-e "s/\(CONFIGURE_LDFLAGS=\).*/\1/" \
+		-e "s/\(PY_LDFLAGS=\).*/\1/" \
+		-i "${libdir}/config-${PYVER}"*/Makefile || die "sed failed"
+
+	# Fix collisions between different slots of Python.
+	rm -f "${ED%/}/usr/$(get_libdir)/libpython3.so"
+
+	# Cheap hack to get version with ABIFLAGS
+	local abiver=$(cd "${ED%/}/usr/include"; echo python*)
+	if [[ ${abiver} != python${PYVER} ]]; then
+		# Replace python3.X with a symlink to python3.Xm
+		rm "${ED%/}/usr/bin/python${PYVER}" || die
+		dosym "${abiver}" "/usr/bin/python${PYVER}"
+		# Create python3.X-config symlink
+		dosym "${abiver}-config" "/usr/bin/python${PYVER}-config"
+		# Create python-3.5m.pc symlink
+		dosym "python-${PYVER}.pc" "/usr/$(get_libdir)/pkgconfig/${abiver/${PYVER}/-${PYVER}}.pc"
+	fi
+
+	# python seems to get rebuilt in src_install (bug 569908)
+	# Work around it for now.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E "${ED%/}/usr/bin/${abiver}"
+	else
+		pax-mark m "${ED%/}/usr/bin/${abiver}"
+	fi
+
+	use sqlite || rm -r "${libdir}/"{sqlite3,test/test_sqlite*} || die
+	use tk || rm -r "${ED%/}/usr/bin/idle${PYVER}" "${libdir}/"{idlelib,tkinter,test/test_tk*} || die
+
+	use wininst || rm "${libdir}/distutils/command/"wininst-*.exe || die
+
+	dodoc "${S}"/Misc/{ACKS,HISTORY,NEWS}
+
+	if use examples; then
+		insinto /usr/share/doc/${PF}/examples
+		find "${S}"/Tools -name __pycache__ -print0 | xargs -0 rm -fr
+		doins -r "${S}"/Tools
+	fi
+	insinto /usr/share/gdb/auto-load/usr/$(get_libdir) #443510
+	local libname=$(printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' | \
+		emake --no-print-directory -s -f - 2>/dev/null)
+	newins "${S}"/Tools/gdb/libpython.py "${libname}"-gdb.py
+
+	newconfd "${FILESDIR}/pydoc.conf" pydoc-${PYVER}
+	newinitd "${FILESDIR}/pydoc.init" pydoc-${PYVER}
+	sed \
+		-e "s:@PYDOC_PORT_VARIABLE@:PYDOC${PYVER/./_}_PORT:" \
+		-e "s:@PYDOC@:pydoc${PYVER}:" \
+		-i "${ED%/}/etc/conf.d/pydoc-${PYVER}" "${ED%/}/etc/init.d/pydoc-${PYVER}" || die "sed failed"
+
+	# for python-exec
+	local vars=( EPYTHON PYTHON_SITEDIR PYTHON_SCRIPTDIR )
+
+	# if not using a cross-compiler, use the fresh binary
+	if ! tc-is-cross-compiler; then
+		local -x PYTHON=./python
+		local -x LD_LIBRARY_PATH=${LD_LIBRARY_PATH+${LD_LIBRARY_PATH}:}${PWD}
+	else
+		vars=( PYTHON "${vars[@]}" )
+	fi
+
+	python_export "python${PYVER}" "${vars[@]}"
+	echo "EPYTHON='${EPYTHON}'" > epython.py || die
+	python_domodule epython.py
+
+	# python-exec wrapping support
+	local pymajor=${PYVER%.*}
+	mkdir -p "${D%/}${PYTHON_SCRIPTDIR}" || die
+	# python and pythonX
+	ln -s "../../../bin/${abiver}" "${D%/}${PYTHON_SCRIPTDIR}/python${pymajor}" || die
+	ln -s "python${pymajor}" "${D%/}${PYTHON_SCRIPTDIR}/python" || die
+	# python-config and pythonX-config
+	# note: we need to create a wrapper rather than symlinking it due
+	# to some random dirname(argv[0]) magic performed by python-config
+	cat > "${D%/}${PYTHON_SCRIPTDIR}/python${pymajor}-config" <<-EOF || die
+		#!/bin/sh
+		exec "${abiver}-config" "\${@}"
+	EOF
+	chmod +x "${D%/}${PYTHON_SCRIPTDIR}/python${pymajor}-config" || die
+	ln -s "python${pymajor}-config" "${D%/}${PYTHON_SCRIPTDIR}/python-config" || die
+	# 2to3, pydoc, pyvenv
+	ln -s "../../../bin/2to3-${PYVER}" "${D%/}${PYTHON_SCRIPTDIR}/2to3" || die
+	ln -s "../../../bin/pydoc${PYVER}" "${D%/}${PYTHON_SCRIPTDIR}/pydoc" || die
+	ln -s "../../../bin/pyvenv-${PYVER}" "${D%/}${PYTHON_SCRIPTDIR}/pyvenv" || die
+	# idle
+	if use tk; then
+		ln -s "../../../bin/idle${PYVER}" "${D%/}${PYTHON_SCRIPTDIR}/idle" || die
+	fi
+}
+
+pkg_preinst() {
+	if has_version "<${CATEGORY}/${PN}-${PYVER}" && ! has_version ">=${CATEGORY}/${PN}-${PYVER}_alpha"; then
+		python_updater_warning="1"
+	fi
+}
+
+eselect_python_update() {
+	if [[ -z "$(eselect python show)" || ! -f "${EROOT%/}/usr/bin/$(eselect python show)" ]]; then
+		eselect python update
+	fi
+
+	if [[ -z "$(eselect python show --python${PV%%.*})" || ! -f "${EROOT%/}/usr/bin/$(eselect python show --python${PV%%.*})" ]]; then
+		eselect python update --python${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+
+	if [[ "${python_updater_warning}" == "1" ]]; then
+		ewarn "You have just upgraded from an older version of Python."
+		ewarn
+		ewarn "Please adjust PYTHON_TARGETS (if so desired), and run emerge with the --newuse or --changed-use option to rebuild packages installing python modules."
+	fi
+}
+
+pkg_postrm() {
+	eselect_python_update
+}