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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI="8"
WANT_LIBTOOL="none"
inherit autotools check-reqs flag-o-matic multiprocessing pax-utils
inherit python-utils-r1 toolchain-funcs verify-sig
MY_PV=${PV/_rc/rc}
MY_P="Python-${MY_PV%_p*}"
PYVER=$(ver_cut 1-2)
PATCHSET="python-gentoo-patches-${MY_PV}"
DESCRIPTION="An interpreted, interactive, object-oriented programming language"
HOMEPAGE="
https://www.python.org/
https://github.com/python/cpython/
"
SRC_URI="
https://www.python.org/ftp/python/${PV%%_*}/${MY_P}.tar.xz
https://dev.gentoo.org/~mgorny/dist/python/${PATCHSET}.tar.xz
verify-sig? (
https://www.python.org/ftp/python/${PV%%_*}/${MY_P}.tar.xz.asc
)
"
S="${WORKDIR}/${MY_P}"
LICENSE="PSF-2"
SLOT="${PYVER}"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
IUSE="
bluetooth build debug +ensurepip examples gdbm libedit lto
+ncurses pgo +readline +sqlite +ssl test tk valgrind
"
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:=
app-arch/xz-utils:=
app-crypt/libb2
>=dev-libs/expat-2.1:=
dev-libs/libffi:=
dev-python/gentoo-common
>=sys-libs/zlib-1.1.3:=
virtual/libcrypt:=
virtual/libintl
ensurepip? ( dev-python/ensurepip-pip )
gdbm? ( sys-libs/gdbm:=[berkdb] )
kernel_linux? ( sys-apps/util-linux:= )
ncurses? ( >=sys-libs/ncurses-5.2:= )
readline? (
!libedit? ( >=sys-libs/readline-4.1:= )
libedit? ( dev-libs/libedit:= )
)
sqlite? ( >=dev-db/sqlite-3.3.8:3= )
ssl? ( >=dev-libs/openssl-1.1.1:= )
tk? (
>=dev-lang/tcl-8.0:=
>=dev-lang/tk-8.0:=
dev-tcltk/blt:=
dev-tcltk/tix
)
"
# bluetooth requires headers from bluez
DEPEND="
${RDEPEND}
bluetooth? ( net-wireless/bluez )
test? (
app-arch/xz-utils[extra-filters(+)]
dev-python/ensurepip-pip
dev-python/ensurepip-setuptools
dev-python/ensurepip-wheel
)
valgrind? ( dev-util/valgrind )
"
# autoconf-archive needed to eautoreconf
BDEPEND="
sys-devel/autoconf-archive
app-alternatives/awk
virtual/pkgconfig
verify-sig? ( >=sec-keys/openpgp-keys-python-20221025 )
"
RDEPEND+="
!build? ( app-misc/mime-types )
"
if [[ ${PV} != *_alpha* ]]; then
RDEPEND+="
dev-lang/python-exec[python_targets_python${PYVER/./_}(-)]
"
fi
VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/python.org.asc
# large file tests involve a 2.5G file being copied (duplicated)
CHECKREQS_DISK_BUILD=5500M
QA_PKGCONFIG_VERSION=${PYVER}
# false positives -- functions specific to *BSD
QA_CONFIG_IMPL_DECL_SKIP=( chflags lchflags )
pkg_pretend() {
use test && check-reqs_pkg_pretend
}
pkg_setup() {
use test && check-reqs_pkg_setup
}
src_unpack() {
if use verify-sig; then
verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.asc}
fi
default
}
src_prepare() {
# Ensure that internal copies of expat and libffi are not used.
# TODO: Makefile has annoying deps on expat headers
#rm -r Modules/expat || die
local PATCHES=(
"${WORKDIR}/${PATCHSET}"
)
default
# force the correct number of jobs
# https://bugs.gentoo.org/737660
sed -i -e "s:-j0:-j$(makeopts_jobs):" Makefile.pre.in || die
eautoreconf
}
build_cbuild_python() {
# Hack to workaround get_libdir not being able to handle CBUILD, bug #794181
local cbuild_libdir=$(unset PKG_CONFIG_PATH ; $(tc-getBUILD_PKG_CONFIG) --keep-system-libs --libs-only-L libffi)
# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
# propagated to sysconfig for built extensions
#
# -fno-lto to avoid bug #700012 (not like it matters for mini-CBUILD Python anyway)
local -x CFLAGS_NODIST="${BUILD_CFLAGS} -fno-lto"
local -x LDFLAGS_NODIST=${BUILD_LDFLAGS}
local -x CFLAGS= LDFLAGS=
local -x BUILD_CFLAGS="${CFLAGS_NODIST}"
local -x BUILD_LDFLAGS=${LDFLAGS_NODIST}
# We need to build our own Python on CBUILD first, and feed it in.
# bug #847910
local myeconfargs_cbuild=(
"${myeconfargs[@]}"
--prefix="${BROOT}"/usr
--libdir="${cbuild_libdir:2}"
# Avoid needing to load the right libpython.so.
--disable-shared
# As minimal as possible for the mini CBUILD Python
# we build just for cross to satisfy --with-build-python.
--without-lto
--without-readline
--disable-optimizations
)
mkdir "${WORKDIR}"/${P}-${CBUILD} || die
pushd "${WORKDIR}"/${P}-${CBUILD} &> /dev/null || die
# Avoid as many dependencies as possible for the cross build.
mkdir Modules || die
cat > Modules/Setup.local <<-EOF || die
*disabled*
nis
_dbm _gdbm
_sqlite3
_hashlib _ssl
_curses _curses_panel
readline
_tkinter
pyexpat
zlib
# We disabled these for CBUILD because Python's setup.py can't handle locating
# libdir correctly for cross. This should be rechecked for the pure Makefile approach,
# and uncommented if needed.
#_ctypes _crypt
EOF
ECONF_SOURCE="${S}" econf_build "${myeconfargs_cbuild[@]}"
# Unfortunately, we do have to build this immediately, and
# not in src_compile, because CHOST configure for Python
# will check the existence of the --with-build-python value
# immediately.
emake
popd &> /dev/null || die
}
src_configure() {
local disable
# disable automagic bluetooth headers detection
if ! use bluetooth; then
local -x ac_cv_header_bluetooth_bluetooth_h=no
fi
append-flags -fwrapv
filter-flags -malign-double
# https://bugs.gentoo.org/700012
if is-flagq -flto || is-flagq '-flto=*'; then
append-cflags $(test-flags-CC -ffat-lto-objects)
fi
# Export CXX so it ends up in /usr/lib/python3.X/config/Makefile.
# PKG_CONFIG needed for cross.
tc-export CXX PKG_CONFIG
local dbmliborder=
if use gdbm; then
dbmliborder+="${dbmliborder:+:}gdbm"
fi
if use pgo; then
local profile_task_flags=(
-m test
"-j$(makeopts_jobs)"
--pgo-extended
-u-network
# We use a timeout because of how often we've had hang issues
# here. It also matches the default upstream PROFILE_TASK.
--timeout 1200
-x test_gdb
-x test_dtrace
# All of these seem to occasionally hang for PGO inconsistently
# They'll even hang here but be fine in src_test sometimes.
# bug #828535 (and related: bug #788022)
-x test_asyncio
-x test_httpservers
-x test_logging
-x test_multiprocessing_fork
-x test_socket
-x test_xmlrpc
# Hangs (actually runs indefinitely executing itself w/ many cpython builds)
# bug #900429
-x test_tools
)
if has_version "app-arch/rpm" ; then
# Avoid sandbox failure (attempts to write to /var/lib/rpm)
profile_task_flags+=(
-x test_distutils
)
fi
local -x PROFILE_TASK="${profile_task_flags[*]}"
fi
local myeconfargs=(
# glibc-2.30 removes it; since we can't cleanly force-rebuild
# Python on glibc upgrade, remove it proactively to give
# a chance for users rebuilding python before glibc
ac_cv_header_stropts_h=no
--enable-shared
--without-static-libpython
--enable-ipv6
--infodir='${prefix}/share/info'
--mandir='${prefix}/share/man'
--with-computed-gotos
--with-dbmliborder="${dbmliborder}"
--with-libc=
--enable-loadable-sqlite-extensions
--without-ensurepip
--with-system-expat
--with-platlibdir=lib
--with-pkg-config=yes
--with-wheel-pkg-dir="${EPREFIX}"/usr/lib/python/ensurepip
$(use_with debug assertions)
$(use_with lto)
$(use_enable pgo optimizations)
$(use_with readline readline "$(usex libedit editline readline)")
$(use_with valgrind)
)
# Force-disable modules we don't want built.
# See Modules/Setup for docs on how this works. Setup.local contains our local deviations.
cat > Modules/Setup.local <<-EOF || die
*disabled*
nis
$(usev !gdbm '_gdbm _dbm')
$(usev !sqlite '_sqlite3')
$(usev !ssl '_hashlib _ssl')
$(usev !ncurses '_curses _curses_panel')
$(usev !readline 'readline')
$(usev !tk '_tkinter')
EOF
# disable implicit optimization/debugging flags
local -x OPT=
if tc-is-cross-compiler ; then
build_cbuild_python
myeconfargs+=(
# Point the imminent CHOST build to the Python we just
# built for CBUILD.
--with-build-python="${WORKDIR}"/${P}-${CBUILD}/python
)
fi
# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
# propagated to sysconfig for built extensions
local -x CFLAGS_NODIST=${CFLAGS}
local -x LDFLAGS_NODIST=${LDFLAGS}
local -x CFLAGS= LDFLAGS=
# Fix implicit declarations on cross and prefix builds. Bug #674070.
if use ncurses; then
append-cppflags -I"${ESYSROOT}"/usr/include/ncursesw
fi
econf "${myeconfargs[@]}"
if grep -q "#define POSIX_SEMAPHORES_NOT_ENABLED 1" pyconfig.h; then
eerror "configure has detected that the sem_open function is broken."
eerror "Please ensure that /dev/shm is mounted as a tmpfs with mode 1777."
die "Broken sem_open function (bug 496328)"
fi
# install epython.py as part of stdlib
echo "EPYTHON='python${PYVER}'" > Lib/epython.py || die
}
src_compile() {
# Ensure sed works as expected
# https://bugs.gentoo.org/594768
local -x LC_ALL=C
export PYTHONSTRICTEXTENSIONBUILD=1
# Save PYTHONDONTWRITEBYTECODE so that 'has_version' doesn't
# end up writing bytecode & violating sandbox.
# bug #831897
local -x _PYTHONDONTWRITEBYTECODE=${PYTHONDONTWRITEBYTECODE}
if use pgo ; then
# bug 660358
local -x COLUMNS=80
local -x PYTHONDONTWRITEBYTECODE=
addpredict "/usr/lib/python${PYVER}/site-packages"
fi
# also need to clear the flags explicitly here or they end up
# in _sysconfigdata*
emake CPPFLAGS= CFLAGS= LDFLAGS=
# Restore saved value from above.
local -x PYTHONDONTWRITEBYTECODE=${_PYTHONDONTWRITEBYTECODE}
# 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
# this just happens to skip test_support.test_freeze that is broken
# without bundled expat
# TODO: get a proper skip for it upstream
local -x LOGNAME=buildbot
local test_opts=(
-u-network
-j "$(makeopts_jobs)"
# fails
-x test_gdb
)
if use sparc ; then
# bug #788022
test_opts+=(
-x test_multiprocessing_fork
-x test_multiprocessing_forkserver
)
fi
# workaround docutils breaking tests
cat > Lib/docutils.py <<-EOF || die
raise ImportError("Thou shalt not import!")
EOF
# bug 660358
local -x COLUMNS=80
local -x PYTHONDONTWRITEBYTECODE=
# workaround https://bugs.gentoo.org/775416
addwrite "/usr/lib/python${PYVER}/site-packages"
nonfatal emake test EXTRATESTOPTS="${test_opts[*]}" \
CPPFLAGS= CFLAGS= LDFLAGS= < /dev/tty
local ret=${?}
rm Lib/docutils.py || die
[[ ${ret} -eq 0 ]] || die "emake test failed"
}
src_install() {
local libdir=${ED}/usr/lib/python${PYVER}
# the Makefile rules are broken
# https://github.com/python/cpython/issues/100221
mkdir -p "${libdir}"/lib-dynload || die
# -j1 hack for now for bug #843458
emake -j1 DESTDIR="${D}" altinstall
# Fix collisions between different slots of Python.
rm "${ED}/usr/$(get_libdir)/libpython3.so" || die
# Cheap hack to get version with ABIFLAGS
local abiver=$(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/${abiver}"
fi
rm -r "${libdir}"/ensurepip/_bundled || die
if ! use ensurepip; then
rm -r "${libdir}"/ensurepip || die
fi
if ! use sqlite; then
rm -r "${libdir}/"sqlite3 || die
fi
if ! use tk; then
rm -r "${ED}/usr/bin/idle${PYVER}" || die
rm -r "${libdir}/"{idlelib,tkinter,test/test_tk*} || die
fi
ln -s ../python/EXTERNALLY-MANAGED "${libdir}/EXTERNALLY-MANAGED" || die
dodoc Misc/{ACKS,HISTORY,NEWS}
if use examples; then
docinto examples
find Tools -name __pycache__ -exec rm -fr {} + || die
dodoc -r Tools
fi
insinto /usr/share/gdb/auto-load/usr/$(get_libdir) #443510
local libname=$(
printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' |
emake --no-print-directory -s -f - 2>/dev/null
)
newins Tools/gdb/libpython.py "${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"
# python-exec wrapping support
local pymajor=${PYVER%.*}
local EPYTHON=python${PYVER}
local scriptdir=${D}$(python_get_scriptdir)
mkdir -p "${scriptdir}" || die
# python and pythonX
ln -s "../../../bin/${abiver}" "${scriptdir}/python${pymajor}" || die
ln -s "python${pymajor}" "${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 > "${scriptdir}/python${pymajor}-config" <<-EOF || die
#!/bin/sh
exec "${abiver}-config" "\${@}"
EOF
chmod +x "${scriptdir}/python${pymajor}-config" || die
ln -s "python${pymajor}-config" "${scriptdir}/python-config" || die
# 2to3, pydoc
ln -s "../../../bin/2to3-${PYVER}" "${scriptdir}/2to3" || die
ln -s "../../../bin/pydoc${PYVER}" "${scriptdir}/pydoc" || die
# idle
if use tk; then
ln -s "../../../bin/idle${PYVER}" "${scriptdir}/idle" || die
fi
}
pkg_postinst() {
local v
for v in ${REPLACING_VERSIONS}; do
if ver_test "${v}" -lt 3.11.0_beta4-r2; then
ewarn "Python 3.11.0b4 has changed its module ABI. The .pyc files"
ewarn "installed previously are no longer valid and will be regenerated"
ewarn "(or ignored) on the next import. This may cause sandbox failures"
ewarn "when installing some packages and checksum mismatches when removing"
ewarn "old versions. To actively prevent this, rebuild all packages"
ewarn "installing Python 3.11 modules, e.g. using:"
ewarn
ewarn " emerge -1v /usr/lib/python3.11/site-packages"
fi
done
}