diff options
Diffstat (limited to 'dev-lang/python-exec')
-rw-r--r-- | dev-lang/python-exec/metadata.xml | 7 | ||||
-rw-r--r-- | dev-lang/python-exec/python-exec-2.4.6-r3.ebuild | 128 |
2 files changed, 135 insertions, 0 deletions
diff --git a/dev-lang/python-exec/metadata.xml b/dev-lang/python-exec/metadata.xml index 751ada8263f2..cef85cf6ce7d 100644 --- a/dev-lang/python-exec/metadata.xml +++ b/dev-lang/python-exec/metadata.xml @@ -13,4 +13,11 @@ <bugs-to>https://github.com/mgorny/python-exec/issues/</bugs-to> <remote-id type="github">mgorny/python-exec</remote-id> </upstream> + <use> + <flag name="native-symlinks"> + Install generic symlinks like python and python3. If this flag + is disabled, only versioned python3.X executables will + be available to end users and ebuilds not using python eclasses. + </flag> + </use> </pkgmetadata> diff --git a/dev-lang/python-exec/python-exec-2.4.6-r3.ebuild b/dev-lang/python-exec/python-exec-2.4.6-r3.ebuild new file mode 100644 index 000000000000..d049c3fb76dc --- /dev/null +++ b/dev-lang/python-exec/python-exec-2.4.6-r3.ebuild @@ -0,0 +1,128 @@ +# Copyright 1999-2020 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +inherit python-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 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris" +# Internal Python project hack. Do not copy it. Ever. +IUSE="${_PYTHON_ALL_IMPLS[@]/#/python_targets_} +native-symlinks" + +RDEPEND="!<=dev-lang/python-2.7.18-r3:2.7" + +src_configure() { + local pyimpls=() i EPYTHON + for i in "${_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 "${myconf[@]}" +} + +src_install() { + default + + # Prepare and own the template + insinto /etc/python-exec + newins - python-exec.conf \ + < <(sed -n -e '/^#/p' config/python-exec.conf.example) + + if use native-symlinks; then + local programs=( python python3 ) + local scripts=( python-config python3-config 2to3 idle pydoc pyvenv ) + + local f + for f in "${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 + fi +} + +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 +} |