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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=5
#if LIVE
EGIT_REPO_URI="https://bitbucket.org/mgorny/${PN}.git"
inherit autotools git-r3
#endif
# Kids, don't do this at home!
inherit python-utils-r1
PYTHON_COMPAT=( "${_PYTHON_ALL_IMPLS[@]}" )
# Inherited purely to have PYTHON_TARGET flags which will satisfy USE
# dependencies and trigger necessary rebuilds.
inherit python-r1
DESCRIPTION="Python script wrapper"
HOMEPAGE="https://bitbucket.org/mgorny/python-exec/"
SRC_URI="https://www.bitbucket.org/mgorny/${PN}/downloads/${P}.tar.bz2"
LICENSE="BSD-2"
SLOT="2"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~ppc-aix ~amd64-fbsd ~x86-fbsd ~x64-freebsd ~x86-freebsd ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE=""
# eselect-python because of /usr/bin/python* collisions and new config
# python versions because of missing $scriptdir/python* symlinks
RDEPEND="
!<app-eselect/eselect-python-20160206
!<dev-lang/python-2.7.10-r4:2.7
!<dev-lang/python-3.3.5-r4:3.3
!<dev-lang/python-3.4.3-r4:3.4
!<dev-lang/python-3.5.0-r3:3.5"
#if LIVE
KEYWORDS=
SRC_URI=
src_prepare() {
eautoreconf
}
#endif
src_configure() {
local pyimpls=() i EPYTHON
for i in "${PYTHON_COMPAT[@]}"; do
python_export "${i}" EPYTHON
pyimpls+=( "${EPYTHON}" )
done
local myconf=(
--with-python-impls="${pyimpls[*]}"
)
econf "${myconf[@]}"
}
src_install() {
default
# Prepare and own the template
sed -n -e '/^#/p' config/python-exec.conf.example \
> "${T}"/python-exec.conf || die
insinto /etc/python-exec
doins "${T}"/python-exec.conf
local f
for f in python{,2,3}; do
# symlink the C wrapper for python to avoid shebang recursion
# bug #568974
dosym python-exec2c /usr/bin/"${f}"
done
for f in python{,2,3}-config 2to3 idle pydoc pyvenv; do
# those are python scripts (except for new python-configs)
# so symlink them via the python wrapper
dosym ../lib/python-exec/python-exec2 /usr/bin/"${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
einfo "Keeping the following Python preference: ${old_pythons[*]}"
local IFS=$'\n'
echo "${old_pythons[*]}" \
>> "${ED}"etc/python-exec/python-exec.conf || die
fi
fi
}
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