127 lines
4 KiB
Bash
127 lines
4 KiB
Bash
# Copyright 1999-2021 Gentoo Authors
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
|
|
EAPI=7
|
|
|
|
inherit xpython-utils-r1
|
|
|
|
DESCRIPTION="Python script wrapper"
|
|
HOMEPAGE="https://github.com/mgorny/python-exec/"
|
|
SRC_URI="https://github.com/mgorny/python-exec/releases/download/v${PV}/${P}.tar.bz2"
|
|
|
|
LICENSE="BSD-2"
|
|
SLOT="2"
|
|
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
|
|
# Internal Python project hack. Do not copy it. Ever.
|
|
IUSE="${_PYTHON_ALL_IMPLS[@]/#/python_targets_}"
|
|
|
|
RDEPEND="!<=dev-lang/python-2.7.18-r3:2.7"
|
|
|
|
src_configure() {
|
|
local pyimpls=() i EPYTHON
|
|
for i in "${_PYTHON_ALL_IMPLS[@]}"; do
|
|
if use "python_targets_${i}"; then
|
|
_python_export "${i}" EPYTHON
|
|
pyimpls+=( "${EPYTHON}" )
|
|
fi
|
|
done
|
|
|
|
local myconf=(
|
|
--with-fallback-path="${EPREFIX}/usr/local/sbin:${EPREFIX}/usr/local/bin:${EPREFIX}/usr/sbin:${EPREFIX}/usr/bin:${EPREFIX}/sbin:${EPREFIX}/bin"
|
|
--with-python-impls="${pyimpls[*]}"
|
|
)
|
|
|
|
econf "${myconf[@]}"
|
|
}
|
|
|
|
src_install() {
|
|
default
|
|
|
|
# Prepare and own the template
|
|
insinto /etc/python-exec
|
|
newins - python-exec.conf \
|
|
< <(sed -n -e '/^#/p' config/python-exec.conf.example)
|
|
|
|
local programs=( python python3 )
|
|
local scripts=( python-config python3-config 2to3 idle pydoc pyvenv )
|
|
|
|
local f
|
|
for f in "${programs[@]}"; do
|
|
# symlink the C wrapper for python to avoid shebang recursion
|
|
# bug #568974
|
|
dosym python-exec2c /usr/bin/"${f}"
|
|
done
|
|
for f in "${scripts[@]}"; do
|
|
# those are python scripts (except for new python-configs)
|
|
# so symlink them via the python wrapper
|
|
dosym ../lib/python-exec/python-exec2 /usr/bin/"${f}"
|
|
done
|
|
}
|
|
|
|
pkg_preinst() {
|
|
if [[ -e ${EROOT}/etc/python-exec/python-exec.conf ]]; then
|
|
# preserve current configuration
|
|
cp "${EROOT}"/etc/python-exec/python-exec.conf \
|
|
"${ED}"/etc/python-exec/python-exec.conf || die
|
|
else
|
|
# preserve previous Python version preference
|
|
local py old_pythons=()
|
|
local config_base=${EROOT}/etc/env.d/python
|
|
|
|
# start with the 'global' preference (2 vs 3)
|
|
if [[ -f ${config_base}/config ]]; then
|
|
old_pythons+=( "$(<${config_base}/config)" )
|
|
fi
|
|
|
|
# then try specific py3 selection
|
|
for py in 3; do
|
|
local target=
|
|
|
|
if [[ -f ${config_base}/python${py} ]]; then
|
|
# try the newer config files
|
|
target=$(<${config_base}/python${py})
|
|
elif [[ -L ${EROOT}/usr/bin/python${py} ]]; then
|
|
# check the older symlink format
|
|
target=$(readlink "${EROOT}/usr/bin/python${py}")
|
|
|
|
# check if it's actually old eselect symlink
|
|
[[ ${target} == python?.? ]] || target=
|
|
fi
|
|
|
|
# add the extra target if found and != global
|
|
if [[ ${target} && ${old_pythons[0]} != ${target} ]]; then
|
|
old_pythons+=( "${target}" )
|
|
fi
|
|
done
|
|
|
|
if [[ ${old_pythons[@]} ]]; then
|
|
elog "You seem to have just upgraded into the new version of python-exec"
|
|
elog "that uses python-exec.conf for configuration. The ebuild has attempted"
|
|
elog "to convert your previous configuration to the new format, resulting"
|
|
elog "in the following preferences (most preferred version first):"
|
|
elog
|
|
for py in "${old_pythons[@]}"; do
|
|
elog " ${py}"
|
|
done
|
|
elog
|
|
elog "Those interpreters will be preferred when running Python scripts or"
|
|
elog "calling wrapped Python executables (python, python2, pydoc...)."
|
|
elog "If none of the preferred interpreters are supported, python-exec will"
|
|
elog "fall back to the newest supported Python version."
|
|
elog
|
|
elog "Please note that due to the ambiguous character of the old settings,"
|
|
elog "you may want to modify the preference list yourself. In order to do so,"
|
|
elog "open the following file in your favorite editor:"
|
|
elog
|
|
elog " ${EROOT}/etc/python-exec/python-exec.conf"
|
|
elog
|
|
elog "For more information on the new configuration format, please read"
|
|
elog "the comment on top of the installed configuration file."
|
|
|
|
local IFS=$'\n'
|
|
echo "${old_pythons[*]}" \
|
|
>> "${ED}"/etc/python-exec/python-exec.conf || die
|
|
fi
|
|
fi
|
|
}
|