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|
# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
# @ECLASS: python-utils-r1.eclass
# @MAINTAINER:
# Python team <python@gentoo.org>
# @AUTHOR:
# Author: Michał Górny <mgorny@gentoo.org>
# Based on work of: Krzysztof Pawlik <nelchael@gentoo.org>
# @BLURB: Utility functions for packages with Python parts.
# @DESCRIPTION:
# A utility eclass providing functions to query Python implementations,
# install Python modules and scripts.
#
# This eclass does not set any metadata variables nor export any phase
# functions. It can be inherited safely.
#
# For more information, please see the wiki:
# https://wiki.gentoo.org/wiki/Project:Python/python-utils-r1
case "${EAPI:-0}" in
0|1|2|3|4|5)
;;
*)
die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
;;
esac
if [[ ${_PYTHON_ECLASS_INHERITED} ]]; then
die 'python-r1 suite eclasses can not be used with python.eclass.'
fi
if [[ ! ${_PYTHON_UTILS_R1} ]]; then
inherit eutils multilib toolchain-funcs
# @ECLASS-VARIABLE: _PYTHON_ALL_IMPLS
# @INTERNAL
# @DESCRIPTION:
# All supported Python implementations, most preferred last.
_PYTHON_ALL_IMPLS=(
jython2_5 jython2_7
pypy pypy3
python3_3 python3_4 python3_5
python2_7
)
# @FUNCTION: _python_impl_supported
# @USAGE: <impl>
# @INTERNAL
# @DESCRIPTION:
# Check whether the implementation <impl> (PYTHON_COMPAT-form)
# is still supported.
#
# Returns 0 if the implementation is valid and supported. If it is
# unsupported, returns 1 -- and the caller should ignore the entry.
# If it is invalid, dies with an appopriate error messages.
_python_impl_supported() {
debug-print-function ${FUNCNAME} "${@}"
[[ ${#} -eq 1 ]] || die "${FUNCNAME}: takes exactly 1 argument (impl)."
local impl=${1}
# keep in sync with _PYTHON_ALL_IMPLS!
# (not using that list because inline patterns shall be faster)
case "${impl}" in
python2_7|python3_[345]|jython2_[57])
return 0
;;
pypy1_[89]|pypy2_0|python2_[56]|python3_[12])
return 1
;;
pypy|pypy3)
if [[ ${EAPI:-0} == [01234] ]]; then
die "PyPy is supported in EAPI 5 and newer only."
fi
;;
*)
die "Invalid implementation in PYTHON_COMPAT: ${impl}"
esac
}
# @ECLASS-VARIABLE: PYTHON
# @DEFAULT_UNSET
# @DESCRIPTION:
# The absolute path to the current Python interpreter.
#
# This variable is set automatically in the following contexts:
#
# python-r1: Set in functions called by python_foreach_impl() or after
# calling python_export_best().
#
# python-single-r1: Set after calling python-single-r1_pkg_setup().
#
# distutils-r1: Set within any of the python sub-phase functions.
#
# Example value:
# @CODE
# /usr/bin/python2.7
# @CODE
# @ECLASS-VARIABLE: EPYTHON
# @DEFAULT_UNSET
# @DESCRIPTION:
# The executable name of the current Python interpreter.
#
# This variable is set automatically in the following contexts:
#
# python-r1: Set in functions called by python_foreach_impl() or after
# calling python_export_best().
#
# python-single-r1: Set after calling python-single-r1_pkg_setup().
#
# distutils-r1: Set within any of the python sub-phase functions.
#
# Example value:
# @CODE
# python2.7
# @CODE
# @ECLASS-VARIABLE: PYTHON_SITEDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# The path to Python site-packages directory.
#
# Set and exported on request using python_export().
# Requires a proper build-time dependency on the Python implementation.
#
# Example value:
# @CODE
# /usr/lib64/python2.7/site-packages
# @CODE
# @ECLASS-VARIABLE: PYTHON_INCLUDEDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# The path to Python include directory.
#
# Set and exported on request using python_export().
# Requires a proper build-time dependency on the Python implementation.
#
# Example value:
# @CODE
# /usr/include/python2.7
# @CODE
# @ECLASS-VARIABLE: PYTHON_LIBPATH
# @DEFAULT_UNSET
# @DESCRIPTION:
# The path to Python library.
#
# Set and exported on request using python_export().
# Valid only for CPython. Requires a proper build-time dependency
# on the Python implementation.
#
# Example value:
# @CODE
# /usr/lib64/libpython2.7.so
# @CODE
# @ECLASS-VARIABLE: PYTHON_CFLAGS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Proper C compiler flags for building against Python. Obtained from
# pkg-config or python-config.
#
# Set and exported on request using python_export().
# Valid only for CPython. Requires a proper build-time dependency
# on the Python implementation and on pkg-config.
#
# Example value:
# @CODE
# -I/usr/include/python2.7
# @CODE
# @ECLASS-VARIABLE: PYTHON_LIBS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Proper C compiler flags for linking against Python. Obtained from
# pkg-config or python-config.
#
# Set and exported on request using python_export().
# Valid only for CPython. Requires a proper build-time dependency
# on the Python implementation and on pkg-config.
#
# Example value:
# @CODE
# -lpython2.7
# @CODE
# @ECLASS-VARIABLE: PYTHON_CONFIG
# @DEFAULT_UNSET
# @DESCRIPTION:
# Path to the python-config executable.
#
# Set and exported on request using python_export().
# Valid only for CPython. Requires a proper build-time dependency
# on the Python implementation and on pkg-config.
#
# Example value:
# @CODE
# /usr/bin/python2.7-config
# @CODE
# @ECLASS-VARIABLE: PYTHON_PKG_DEP
# @DEFAULT_UNSET
# @DESCRIPTION:
# The complete dependency on a particular Python package as a string.
#
# Set and exported on request using python_export().
#
# Example value:
# @CODE
# dev-lang/python:2.7[xml]
# @CODE
# @ECLASS-VARIABLE: PYTHON_SCRIPTDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# The location where Python scripts must be installed for current impl.
#
# Set and exported on request using python_export().
#
# Example value:
# @CODE
# /usr/lib/python-exec/python2.7
# @CODE
# @FUNCTION: python_export
# @USAGE: [<impl>] <variables>...
# @DESCRIPTION:
# Set and export the Python implementation-relevant variables passed
# as parameters.
#
# The optional first parameter may specify the requested Python
# implementation (either as PYTHON_TARGETS value, e.g. python2_7,
# or an EPYTHON one, e.g. python2.7). If no implementation passed,
# the current one will be obtained from ${EPYTHON}.
#
# The variables which can be exported are: PYTHON, EPYTHON,
# PYTHON_SITEDIR. They are described more completely in the eclass
# variable documentation.
python_export() {
debug-print-function ${FUNCNAME} "${@}"
local impl var
case "${1}" in
python*|jython*)
impl=${1/_/.}
shift
;;
pypy|pypy3)
impl=${1}
shift
;;
*)
impl=${EPYTHON}
if [[ -z ${impl} ]]; then
die "python_export called without a python implementation and EPYTHON is unset"
fi
;;
esac
debug-print "${FUNCNAME}: implementation: ${impl}"
for var; do
case "${var}" in
EPYTHON)
export EPYTHON=${impl}
debug-print "${FUNCNAME}: EPYTHON = ${EPYTHON}"
;;
PYTHON)
export PYTHON=${EPREFIX}/usr/bin/${impl}
debug-print "${FUNCNAME}: PYTHON = ${PYTHON}"
;;
PYTHON_SITEDIR)
[[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it"
# sysconfig can't be used because:
# 1) pypy doesn't give site-packages but stdlib
# 2) jython gives paths with wrong case
export PYTHON_SITEDIR=$("${PYTHON}" -c 'import distutils.sysconfig; print(distutils.sysconfig.get_python_lib())')
debug-print "${FUNCNAME}: PYTHON_SITEDIR = ${PYTHON_SITEDIR}"
;;
PYTHON_INCLUDEDIR)
[[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it"
export PYTHON_INCLUDEDIR=$("${PYTHON}" -c 'import distutils.sysconfig; print(distutils.sysconfig.get_python_inc())')
debug-print "${FUNCNAME}: PYTHON_INCLUDEDIR = ${PYTHON_INCLUDEDIR}"
# Jython gives a non-existing directory
if [[ ! -d ${PYTHON_INCLUDEDIR} ]]; then
die "${impl} does not install any header files!"
fi
;;
PYTHON_LIBPATH)
[[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it"
export PYTHON_LIBPATH=$("${PYTHON}" -c 'import os.path, sysconfig; print(os.path.join(sysconfig.get_config_var("LIBDIR"), sysconfig.get_config_var("LDLIBRARY")) if sysconfig.get_config_var("LDLIBRARY") else "")')
debug-print "${FUNCNAME}: PYTHON_LIBPATH = ${PYTHON_LIBPATH}"
if [[ ! ${PYTHON_LIBPATH} ]]; then
die "${impl} lacks a (usable) dynamic library"
fi
;;
PYTHON_CFLAGS)
local val
case "${impl}" in
python*)
# python-2.7, python-3.2, etc.
val=$($(tc-getPKG_CONFIG) --cflags ${impl/n/n-})
;;
*)
die "${impl}: obtaining ${var} not supported"
;;
esac
export PYTHON_CFLAGS=${val}
debug-print "${FUNCNAME}: PYTHON_CFLAGS = ${PYTHON_CFLAGS}"
;;
PYTHON_LIBS)
local val
case "${impl}" in
python*)
# python-2.7, python-3.2, etc.
val=$($(tc-getPKG_CONFIG) --libs ${impl/n/n-})
;;
*)
die "${impl}: obtaining ${var} not supported"
;;
esac
export PYTHON_LIBS=${val}
debug-print "${FUNCNAME}: PYTHON_LIBS = ${PYTHON_LIBS}"
;;
PYTHON_CONFIG)
local flags val
case "${impl}" in
python*)
[[ -n ${PYTHON} ]] || die "PYTHON needs to be set for ${var} to be exported, or requested before it"
flags=$("${PYTHON}" -c 'import sysconfig; print(sysconfig.get_config_var("ABIFLAGS") or "")')
val=${PYTHON}${flags}-config
;;
*)
die "${impl}: obtaining ${var} not supported"
;;
esac
export PYTHON_CONFIG=${val}
debug-print "${FUNCNAME}: PYTHON_CONFIG = ${PYTHON_CONFIG}"
;;
PYTHON_PKG_DEP)
local d
case ${impl} in
python2.7)
PYTHON_PKG_DEP='>=dev-lang/python-2.7.5-r2:2.7';;
python3.3)
PYTHON_PKG_DEP='>=dev-lang/python-3.3.2-r2:3.3';;
python*)
PYTHON_PKG_DEP="dev-lang/python:${impl#python}";;
pypy)
PYTHON_PKG_DEP='virtual/pypy:0=';;
pypy3)
PYTHON_PKG_DEP='virtual/pypy3:0=';;
jython2.5)
PYTHON_PKG_DEP='>=dev-java/jython-2.5.3-r2:2.5';;
jython2.7)
PYTHON_PKG_DEP='dev-java/jython:2.7';;
*)
die "Invalid implementation: ${impl}"
esac
# use-dep
if [[ ${PYTHON_REQ_USE} ]]; then
PYTHON_PKG_DEP+=[${PYTHON_REQ_USE}]
fi
export PYTHON_PKG_DEP
debug-print "${FUNCNAME}: PYTHON_PKG_DEP = ${PYTHON_PKG_DEP}"
;;
PYTHON_SCRIPTDIR)
local dir
export PYTHON_SCRIPTDIR=${EPREFIX}/usr/lib/python-exec/${impl}
debug-print "${FUNCNAME}: PYTHON_SCRIPTDIR = ${PYTHON_SCRIPTDIR}"
;;
*)
die "python_export: unknown variable ${var}"
esac
done
}
# @FUNCTION: python_get_sitedir
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the 'site-packages' path for the given
# implementation. If no implementation is provided, ${EPYTHON} will
# be used.
#
# If you just need to have PYTHON_SITEDIR set (and exported), then it is
# better to use python_export() directly instead.
python_get_sitedir() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_SITEDIR
echo "${PYTHON_SITEDIR}"
}
# @FUNCTION: python_get_includedir
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the include path for the given implementation. If no
# implementation is provided, ${EPYTHON} will be used.
#
# If you just need to have PYTHON_INCLUDEDIR set (and exported), then it
# is better to use python_export() directly instead.
python_get_includedir() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_INCLUDEDIR
echo "${PYTHON_INCLUDEDIR}"
}
# @FUNCTION: python_get_library_path
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the Python library path for the given implementation.
# If no implementation is provided, ${EPYTHON} will be used.
#
# Please note that this function can be used with CPython only. Use
# in another implementation will result in a fatal failure.
python_get_library_path() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_LIBPATH
echo "${PYTHON_LIBPATH}"
}
# @FUNCTION: python_get_CFLAGS
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the compiler flags for building against Python,
# for the given implementation. If no implementation is provided,
# ${EPYTHON} will be used.
#
# Please note that this function can be used with CPython only.
# It requires Python and pkg-config installed, and therefore proper
# build-time dependencies need be added to the ebuild.
python_get_CFLAGS() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_CFLAGS
echo "${PYTHON_CFLAGS}"
}
# @FUNCTION: python_get_LIBS
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the compiler flags for linking against Python,
# for the given implementation. If no implementation is provided,
# ${EPYTHON} will be used.
#
# Please note that this function can be used with CPython only.
# It requires Python and pkg-config installed, and therefore proper
# build-time dependencies need be added to the ebuild.
python_get_LIBS() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_LIBS
echo "${PYTHON_LIBS}"
}
# @FUNCTION: python_get_PYTHON_CONFIG
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the PYTHON_CONFIG location for the given
# implementation. If no implementation is provided, ${EPYTHON} will be
# used.
#
# Please note that this function can be used with CPython only.
# It requires Python installed, and therefore proper build-time
# dependencies need be added to the ebuild.
python_get_PYTHON_CONFIG() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_CONFIG
echo "${PYTHON_CONFIG}"
}
# @FUNCTION: python_get_scriptdir
# @USAGE: [<impl>]
# @DESCRIPTION:
# Obtain and print the script install path for the given
# implementation. If no implementation is provided, ${EPYTHON} will
# be used.
python_get_scriptdir() {
debug-print-function ${FUNCNAME} "${@}"
python_export "${@}" PYTHON_SCRIPTDIR
echo "${PYTHON_SCRIPTDIR}"
}
# @FUNCTION: _python_ln_rel
# @USAGE: <from> <to>
# @INTERNAL
# @DESCRIPTION:
# Create a relative symlink.
_python_ln_rel() {
debug-print-function ${FUNCNAME} "${@}"
local target=${1}
local symname=${2}
local tgpath=${target%/*}/
local sympath=${symname%/*}/
local rel_target=
while [[ ${sympath} ]]; do
local tgseg= symseg=
while [[ ! ${tgseg} && ${tgpath} ]]; do
tgseg=${tgpath%%/*}
tgpath=${tgpath#${tgseg}/}
done
while [[ ! ${symseg} && ${sympath} ]]; do
symseg=${sympath%%/*}
sympath=${sympath#${symseg}/}
done
if [[ ${tgseg} != ${symseg} ]]; then
rel_target=../${rel_target}${tgseg:+${tgseg}/}
fi
done
rel_target+=${tgpath}${target##*/}
debug-print "${FUNCNAME}: ${symname} -> ${target}"
debug-print "${FUNCNAME}: rel_target = ${rel_target}"
ln -fs "${rel_target}" "${symname}"
}
# @FUNCTION: python_optimize
# @USAGE: [<directory>...]
# @DESCRIPTION:
# Compile and optimize Python modules in specified directories (absolute
# paths). If no directories are provided, the default system paths
# are used (prepended with ${D}).
python_optimize() {
debug-print-function ${FUNCNAME} "${@}"
if [[ ${EBUILD_PHASE} == pre* || ${EBUILD_PHASE} == post* ]]; then
eerror "The new Python eclasses expect the compiled Python files to"
eerror "be controlled by the Package Manager. For this reason,"
eerror "the python_optimize function can be used only during src_* phases"
eerror "(src_install most commonly) and not during pkg_* phases."
echo
die "python_optimize is not to be used in pre/post* phases"
fi
[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
local PYTHON=${PYTHON}
[[ ${PYTHON} ]] || python_export PYTHON
# Note: python2.6 can't handle passing files to compileall...
# TODO: we do not support 2.6 any longer
# default to sys.path
if [[ ${#} -eq 0 ]]; then
local f
while IFS= read -r -d '' f; do
# 1) accept only absolute paths
# (i.e. skip '', '.' or anything like that)
# 2) skip paths which do not exist
# (python2.6 complains about them verbosely)
if [[ ${f} == /* && -d ${D}${f} ]]; then
set -- "${D}${f}" "${@}"
fi
done < <("${PYTHON}" -c 'import sys; print("\0".join(sys.path))')
debug-print "${FUNCNAME}: using sys.path: ${*/%/;}"
fi
local d
for d; do
# make sure to get a nice path without //
local instpath=${d#${D}}
instpath=/${instpath##/}
case "${EPYTHON}" in
python*)
"${PYTHON}" -m compileall -q -f -d "${instpath}" "${d}"
"${PYTHON}" -OO -m compileall -q -f -d "${instpath}" "${d}"
;;
*)
"${PYTHON}" -m compileall -q -f -d "${instpath}" "${d}"
;;
esac
done
}
# @ECLASS-VARIABLE: python_scriptroot
# @DEFAULT_UNSET
# @DESCRIPTION:
# The current script destination for python_doscript(). The path
# is relative to the installation root (${ED}).
#
# When unset, ${DESTTREE}/bin (/usr/bin by default) will be used.
#
# Can be set indirectly through the python_scriptinto() function.
#
# Example:
# @CODE
# src_install() {
# local python_scriptroot=${GAMES_BINDIR}
# python_foreach_impl python_doscript foo
# }
# @CODE
# @FUNCTION: python_scriptinto
# @USAGE: <new-path>
# @DESCRIPTION:
# Set the current scriptroot. The new value will be stored
# in the 'python_scriptroot' environment variable. The new value need
# be relative to the installation root (${ED}).
#
# Alternatively, you can set the variable directly.
python_scriptinto() {
debug-print-function ${FUNCNAME} "${@}"
python_scriptroot=${1}
}
# @FUNCTION: python_doexe
# @USAGE: <files>...
# @DESCRIPTION:
# Install the given executables into current python_scriptroot,
# for the current Python implementation (${EPYTHON}).
#
# The executable will be wrapped properly for the Python implementation,
# though no shebang mangling will be performed.
python_doexe() {
debug-print-function ${FUNCNAME} "${@}"
local f
for f; do
python_newexe "${f}" "${f##*/}"
done
}
# @FUNCTION: python_newexe
# @USAGE: <path> <new-name>
# @DESCRIPTION:
# Install the given executable into current python_scriptroot,
# for the current Python implementation (${EPYTHON}).
#
# The executable will be wrapped properly for the Python implementation,
# though no shebang mangling will be performed. It will be renamed
# to <new-name>.
python_newexe() {
debug-print-function ${FUNCNAME} "${@}"
[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
[[ ${#} -eq 2 ]] || die "Usage: ${FUNCNAME} <path> <new-name>"
local wrapd=${python_scriptroot:-${DESTTREE}/bin}
local f=${1}
local newfn=${2}
local PYTHON_SCRIPTDIR d
python_export PYTHON_SCRIPTDIR
d=${PYTHON_SCRIPTDIR#${EPREFIX}}
(
dodir "${wrapd}"
exeinto "${d}"
newexe "${f}" "${newfn}" || die
)
# install the wrapper
_python_ln_rel "${ED%/}"/usr/lib/python-exec/python-exec2 \
"${ED%/}/${wrapd}/${newfn}" || die
# don't use this at home, just call python_doscript() instead
if [[ ${_PYTHON_REWRITE_SHEBANG} ]]; then
python_fix_shebang -q "${ED%/}/${d}/${newfn}"
fi
}
# @FUNCTION: python_doscript
# @USAGE: <files>...
# @DESCRIPTION:
# Install the given scripts into current python_scriptroot,
# for the current Python implementation (${EPYTHON}).
#
# All specified files must start with a 'python' shebang. The shebang
# will be converted, and the files will be wrapped properly
# for the Python implementation.
#
# Example:
# @CODE
# src_install() {
# python_foreach_impl python_doscript ${PN}
# }
# @CODE
python_doscript() {
debug-print-function ${FUNCNAME} "${@}"
local _PYTHON_REWRITE_SHEBANG=1
python_doexe "${@}"
}
# @FUNCTION: python_newscript
# @USAGE: <path> <new-name>
# @DESCRIPTION:
# Install the given script into current python_scriptroot
# for the current Python implementation (${EPYTHON}), and name it
# <new-name>.
#
# The file must start with a 'python' shebang. The shebang will be
# converted, and the file will be wrapped properly for the Python
# implementation. It will be renamed to <new-name>.
#
# Example:
# @CODE
# src_install() {
# python_foreach_impl python_newscript foo.py foo
# }
# @CODE
python_newscript() {
debug-print-function ${FUNCNAME} "${@}"
local _PYTHON_REWRITE_SHEBANG=1
python_newexe "${@}"
}
# @ECLASS-VARIABLE: python_moduleroot
# @DEFAULT_UNSET
# @DESCRIPTION:
# The current module root for python_domodule(). The path can be either
# an absolute system path (it must start with a slash, and ${ED} will be
# prepended to it) or relative to the implementation's site-packages directory
# (then it must start with a non-slash character).
#
# When unset, the modules will be installed in the site-packages root.
#
# Can be set indirectly through the python_moduleinto() function.
#
# Example:
# @CODE
# src_install() {
# local python_moduleroot=bar
# # installs ${PYTHON_SITEDIR}/bar/baz.py
# python_foreach_impl python_domodule baz.py
# }
# @CODE
# @FUNCTION: python_moduleinto
# @USAGE: <new-path>
# @DESCRIPTION:
# Set the current module root. The new value will be stored
# in the 'python_moduleroot' environment variable. The new value need
# be relative to the site-packages root.
#
# Alternatively, you can set the variable directly.
python_moduleinto() {
debug-print-function ${FUNCNAME} "${@}"
python_moduleroot=${1}
}
# @FUNCTION: python_domodule
# @USAGE: <files>...
# @DESCRIPTION:
# Install the given modules (or packages) into the current
# python_moduleroot. The list can mention both modules (files)
# and packages (directories). All listed files will be installed
# for all enabled implementations, and compiled afterwards.
#
# Example:
# @CODE
# src_install() {
# # (${PN} being a directory)
# python_foreach_impl python_domodule ${PN}
# }
# @CODE
python_domodule() {
debug-print-function ${FUNCNAME} "${@}"
[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
local d
if [[ ${python_moduleroot} == /* ]]; then
# absolute path
d=${python_moduleroot}
else
# relative to site-packages
local PYTHON_SITEDIR=${PYTHON_SITEDIR}
[[ ${PYTHON_SITEDIR} ]] || python_export PYTHON_SITEDIR
d=${PYTHON_SITEDIR#${EPREFIX}}/${python_moduleroot}
fi
local INSDESTTREE
insinto "${d}"
doins -r "${@}" || die
python_optimize "${ED}/${d}"
}
# @FUNCTION: python_doheader
# @USAGE: <files>...
# @DESCRIPTION:
# Install the given headers into the implementation-specific include
# directory. This function is unconditionally recursive, i.e. you can
# pass directories instead of files.
#
# Example:
# @CODE
# src_install() {
# python_foreach_impl python_doheader foo.h bar.h
# }
# @CODE
python_doheader() {
debug-print-function ${FUNCNAME} "${@}"
[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
local d PYTHON_INCLUDEDIR=${PYTHON_INCLUDEDIR}
[[ ${PYTHON_INCLUDEDIR} ]] || python_export PYTHON_INCLUDEDIR
d=${PYTHON_INCLUDEDIR#${EPREFIX}}
local INSDESTTREE
insinto "${d}"
doins -r "${@}" || die
}
# @FUNCTION: python_wrapper_setup
# @USAGE: [<path> [<impl>]]
# @DESCRIPTION:
# Create proper 'python' executable and pkg-config wrappers
# (if available) in the directory named by <path>. Set up PATH
# and PKG_CONFIG_PATH appropriately. <path> defaults to ${T}/${EPYTHON}.
#
# The wrappers will be created for implementation named by <impl>,
# or for one named by ${EPYTHON} if no <impl> passed.
#
# If the named directory contains a python symlink already, it will
# be assumed to contain proper wrappers already and only environment
# setup will be done. If wrapper update is requested, the directory
# shall be removed first.
python_wrapper_setup() {
debug-print-function ${FUNCNAME} "${@}"
local workdir=${1:-${T}/${EPYTHON}}
local impl=${2:-${EPYTHON}}
[[ ${workdir} ]] || die "${FUNCNAME}: no workdir specified."
[[ ${impl} ]] || die "${FUNCNAME}: no impl nor EPYTHON specified."
if [[ ! -x ${workdir}/bin/python ]]; then
_python_check_dead_variables
mkdir -p "${workdir}"/{bin,pkgconfig} || die
# Clean up, in case we were supposed to do a cheap update.
rm -f "${workdir}"/bin/python{,2,3,-config} || die
rm -f "${workdir}"/bin/2to3 || die
rm -f "${workdir}"/pkgconfig/python{,2,3}.pc || die
local EPYTHON PYTHON PYTHON_CONFIG
python_export "${impl}" EPYTHON PYTHON
local pyver pyother
if python_is_python3; then
pyver=3
pyother=2
else
pyver=2
pyother=3
fi
# Python interpreter
# note: we don't use symlinks because python likes to do some
# symlink reading magic that breaks stuff
# https://bugs.gentoo.org/show_bug.cgi?id=555752
cat > "${workdir}/bin/python" <<-_EOF_
#!/bin/sh
exec "${PYTHON}" "\${@}"
_EOF_
cp "${workdir}/bin/python" "${workdir}/bin/python${pyver}" || die
chmod +x "${workdir}/bin/python" "${workdir}/bin/python${pyver}" || die
local nonsupp=( "python${pyother}" "python${pyother}-config" )
# CPython-specific
if [[ ${EPYTHON} == python* ]]; then
python_export "${impl}" PYTHON_CONFIG
cat > "${workdir}/bin/python-config" <<-_EOF_
#!/bin/sh
exec "${PYTHON_CONFIG}" "\${@}"
_EOF_
cp "${workdir}/bin/python-config" \
"${workdir}/bin/python${pyver}-config" || die
chmod +x "${workdir}/bin/python-config" \
"${workdir}/bin/python${pyver}-config" || die
# Python 2.6+.
ln -s "${PYTHON/python/2to3-}" "${workdir}"/bin/2to3 || die
# Python 2.7+.
ln -s "${EPREFIX}"/usr/$(get_libdir)/pkgconfig/${EPYTHON/n/n-}.pc \
"${workdir}"/pkgconfig/python.pc || die
ln -s python.pc "${workdir}"/pkgconfig/python${pyver}.pc || die
else
nonsupp+=( 2to3 python-config "python${pyver}-config" )
fi
local x
for x in "${nonsupp[@]}"; do
cat >"${workdir}"/bin/${x} <<__EOF__
#!/bin/sh
echo "${x} is not supported by ${EPYTHON}" >&2
exit 127
__EOF__
chmod +x "${workdir}"/bin/${x} || die
done
# Now, set the environment.
# But note that ${workdir} may be shared with something else,
# and thus already on top of PATH.
if [[ ${PATH##:*} != ${workdir}/bin ]]; then
PATH=${workdir}/bin${PATH:+:${PATH}}
fi
if [[ ${PKG_CONFIG_PATH##:*} != ${workdir}/pkgconfig ]]; then
PKG_CONFIG_PATH=${workdir}/pkgconfig${PKG_CONFIG_PATH:+:${PKG_CONFIG_PATH}}
fi
export PATH PKG_CONFIG_PATH
fi
}
# @FUNCTION: python_is_python3
# @USAGE: [<impl>]
# @DESCRIPTION:
# Check whether <impl> (or ${EPYTHON}) is a Python3k variant
# (i.e. uses syntax and stdlib of Python 3.*).
#
# Returns 0 (true) if it is, 1 (false) otherwise.
python_is_python3() {
local impl=${1:-${EPYTHON}}
[[ ${impl} ]] || die "python_is_python3: no impl nor EPYTHON"
[[ ${impl} == python3* || ${impl} == pypy3 ]]
}
# @FUNCTION: python_is_installed
# @USAGE: [<impl>]
# @DESCRIPTION:
# Check whether the interpreter for <impl> (or ${EPYTHON}) is installed.
# Uses has_version with a proper dependency string.
#
# Returns 0 (true) if it is, 1 (false) otherwise.
python_is_installed() {
local impl=${1:-${EPYTHON}}
[[ ${impl} ]] || die "${FUNCNAME}: no impl nor EPYTHON"
# for has_version
local -x ROOT=/
case "${impl}" in
pypy|pypy3)
local append=
if [[ ${PYTHON_REQ_USE} ]]; then
append=[${PYTHON_REQ_USE}]
fi
# be happy with just the interpeter, no need for the virtual
has_version "dev-python/${impl}${append}" \
|| has_version "dev-python/${impl}-bin${append}"
;;
*)
local PYTHON_PKG_DEP
python_export "${impl}" PYTHON_PKG_DEP
has_version "${PYTHON_PKG_DEP}"
;;
esac
}
# @FUNCTION: python_fix_shebang
# @USAGE: [-f|--force] [-q|--quiet] <path>...
# @DESCRIPTION:
# Replace the shebang in Python scripts with the current Python
# implementation (EPYTHON). If a directory is passed, works recursively
# on all Python scripts.
#
# Only files having a 'python*' shebang will be modified. Files with
# other shebang will either be skipped when working recursively
# on a directory or treated as error when specified explicitly.
#
# Shebangs matching explicitly current Python version will be left
# unmodified. Shebangs requesting another Python version will be treated
# as fatal error, unless --force is given.
#
# --force causes the function to replace even shebangs that require
# incompatible Python version. --quiet causes the function not to list
# modified files verbosely.
python_fix_shebang() {
debug-print-function ${FUNCNAME} "${@}"
[[ ${EPYTHON} ]] || die "${FUNCNAME}: EPYTHON unset (pkg_setup not called?)"
local force quiet
while [[ ${@} ]]; do
case "${1}" in
-f|--force) force=1; shift;;
-q|--quiet) quiet=1; shift;;
--) shift; break;;
*) break;;
esac
done
[[ ${1} ]] || die "${FUNCNAME}: no paths given"
local path f
for path; do
local any_correct any_fixed is_recursive
[[ -d ${path} ]] && is_recursive=1
while IFS= read -r -d '' f; do
local shebang i
local error= from=
IFS= read -r shebang <"${f}"
# First, check if it's shebang at all...
if [[ ${shebang} == '#!'* ]]; then
local split_shebang=()
read -r -a split_shebang <<<${shebang}
# Match left-to-right in a loop, to avoid matching random
# repetitions like 'python2.7 python2'.
for i in "${split_shebang[@]}"; do
case "${i}" in
*"${EPYTHON}")
debug-print "${FUNCNAME}: in file ${f#${D}}"
debug-print "${FUNCNAME}: shebang matches EPYTHON: ${shebang}"
# Nothing to do, move along.
any_correct=1
from=${EPYTHON}
break
;;
*python|*python[23])
debug-print "${FUNCNAME}: in file ${f#${D}}"
debug-print "${FUNCNAME}: rewriting shebang: ${shebang}"
if [[ ${i} == *python2 ]]; then
from=python2
if [[ ! ${force} ]]; then
python_is_python3 "${EPYTHON}" && error=1
fi
elif [[ ${i} == *python3 ]]; then
from=python3
if [[ ! ${force} ]]; then
python_is_python3 "${EPYTHON}" || error=1
fi
else
from=python
fi
break
;;
*python[23].[0123456789]|*pypy|*pypy3|*jython[23].[0123456789])
# Explicit mismatch.
if [[ ! ${force} ]]; then
error=1
else
case "${i}" in
*python[23].[0123456789])
from="python[23].[0123456789]";;
*pypy)
from="pypy";;
*pypy3)
from="pypy3";;
*jython[23].[0123456789])
from="jython[23].[0123456789]";;
*)
die "${FUNCNAME}: internal error in 2nd pattern match";;
esac
fi
break
;;
esac
done
fi
if [[ ! ${error} && ! ${from} ]]; then
# Non-Python shebang. Allowed in recursive mode,
# disallowed when specifying file explicitly.
[[ ${is_recursive} ]] && continue
error=1
fi
if [[ ! ${quiet} ]]; then
einfo "Fixing shebang in ${f#${D}}."
fi
if [[ ! ${error} ]]; then
# We either want to match ${from} followed by space
# or at end-of-string.
if [[ ${shebang} == *${from}" "* ]]; then
sed -i -e "1s:${from} :${EPYTHON} :" "${f}" || die
else
sed -i -e "1s:${from}$:${EPYTHON}:" "${f}" || die
fi
any_fixed=1
else
eerror "The file has incompatible shebang:"
eerror " file: ${f#${D}}"
eerror " current shebang: ${shebang}"
eerror " requested impl: ${EPYTHON}"
die "${FUNCNAME}: conversion of incompatible shebang requested"
fi
done < <(find "${path}" -type f -print0)
if [[ ! ${any_fixed} ]]; then
eqawarn "QA warning: ${FUNCNAME}, ${path#${D}} did not match any fixable files."
if [[ ${any_correct} ]]; then
eqawarn "All files have ${EPYTHON} shebang already."
else
eqawarn "There are no Python files in specified directory."
fi
fi
done
}
# @FUNCTION: _python_check_locale_sanity
# @USAGE: <locale>
# @RETURN: 0 if sane, 1 otherwise
# @DESCRIPTION:
# Check whether the specified locale sanely maps between lowercase
# and uppercase ASCII characters.
_python_check_locale_sanity() {
local -x LC_CTYPE=${1}
local IFS=
local lc=( {a..z} )
local uc=( {A..Z} )
local input=${lc[*]}${uc[*]}
local output=$(tr '[:lower:][:upper:]' '[:upper:][:lower:]' <<<"${input}")
[[ ${output} == "${uc[*]}${lc[*]}" ]]
}
# @FUNCTION: python_export_utf8_locale
# @RETURN: 0 on success, 1 on failure.
# @DESCRIPTION:
# Attempts to export a usable UTF-8 locale in the LC_CTYPE variable. Does
# nothing if LC_ALL is defined, or if the current locale uses a UTF-8 charmap.
# This may be used to work around the quirky open() behavior of python3.
python_export_utf8_locale() {
debug-print-function ${FUNCNAME} "${@}"
# If the locale program isn't available, just return.
type locale >/dev/null || return 0
if [[ $(locale charmap) != UTF-8 ]]; then
if [[ -n ${LC_ALL} ]]; then
ewarn "LC_ALL is set to a locale with a charmap other than UTF-8."
ewarn "This may trigger build failures in some python packages."
return 1
fi
# Try English first, then everything else.
local lang locales="en_US.UTF-8 $(locale -a)"
for lang in ${locales}; do
if [[ $(LC_CTYPE=${lang} locale charmap 2>/dev/null) == UTF-8 ]]; then
if _python_check_locale_sanity "${lang}"; then
export LC_CTYPE=${lang}
return 0
fi
fi
done
ewarn "Could not find a UTF-8 locale. This may trigger build failures in"
ewarn "some python packages. Please ensure that a UTF-8 locale is listed in"
ewarn "/etc/locale.gen and run locale-gen."
return 1
fi
return 0
}
# -- python.eclass functions --
_python_check_dead_variables() {
local v
for v in PYTHON_DEPEND PYTHON_USE_WITH{,_OR,_OPT} {RESTRICT,SUPPORT}_PYTHON_ABIS
do
if [[ ${!v} ]]; then
die "${v} is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#Ebuild_head"
fi
done
for v in PYTHON_{CPPFLAGS,CFLAGS,CXXFLAGS,LDFLAGS}
do
if [[ ${!v} ]]; then
die "${v} is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#PYTHON_CFLAGS"
fi
done
for v in PYTHON_TESTS_RESTRICTED_ABIS PYTHON_EXPORT_PHASE_FUNCTIONS \
PYTHON_VERSIONED_{SCRIPTS,EXECUTABLES} PYTHON_NONVERSIONED_EXECUTABLES
do
if [[ ${!v} ]]; then
die "${v} is invalid for python-r1 suite"
fi
done
for v in DISTUTILS_USE_SEPARATE_SOURCE_DIRECTORIES DISTUTILS_SETUP_FILES \
DISTUTILS_GLOBAL_OPTIONS DISTUTILS_SRC_TEST PYTHON_MODNAME
do
if [[ ${!v} ]]; then
die "${v} is invalid for distutils-r1, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#${v}"
fi
done
if [[ ${DISTUTILS_DISABLE_TEST_DEPENDENCY} ]]; then
die "${v} is invalid for distutils-r1, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#DISTUTILS_SRC_TEST"
fi
# python.eclass::progress
for v in PYTHON_BDEPEND PYTHON_MULTIPLE_ABIS PYTHON_ABI_TYPE \
PYTHON_RESTRICTED_ABIS PYTHON_TESTS_FAILURES_TOLERANT_ABIS \
PYTHON_CFFI_MODULES_GENERATION_COMMANDS
do
if [[ ${!v} ]]; then
die "${v} is invalid for python-r1 suite"
fi
done
}
python_pkg_setup() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#pkg_setup"
}
python_convert_shebangs() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#python_convert_shebangs"
}
python_clean_py-compile_files() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_clean_installation_image() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_execute_function() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#python_execute_function"
}
python_generate_wrapper_scripts() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_merge_intermediate_installation_images() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_set_active_version() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#pkg_setup"
}
python_need_rebuild() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
PYTHON() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#.24.28PYTHON.29.2C_.24.7BEPYTHON.7D"
}
python_get_implementation() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_get_implementational_package() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_get_libdir() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_get_library() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_get_version() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_get_implementation_and_version() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_execute_nosetests() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_execute_py.test() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_execute_trial() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_enable_pyc() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_disable_pyc() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_mod_optimize() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#Python_byte-code_compilation"
}
python_mod_cleanup() {
die "${FUNCNAME}() is invalid for python-r1 suite, please take a look @ https://wiki.gentoo.org/wiki/Project:Python/Python.eclass_conversion#Python_byte-code_compilation"
}
# python.eclass::progress
python_abi_depend() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_install_executables() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_get_extension_module_suffix() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_byte-compile_modules() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_clean_byte-compiled_modules() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
python_generate_cffi_modules() {
die "${FUNCNAME}() is invalid for python-r1 suite"
}
_PYTHON_UTILS_R1=1
fi
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