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eclass/python-any-r1: Sync with Gentoo
It's from Gentoo commit d7317785d04e7de172de3bff05852fca3cd15af2.
This commit is contained in:
Krzesimir Nowak
parent
7b5743bd5d
commit
c564d3748f
@ -1,4 +1,4 @@
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# Copyright 1999-2021 Gentoo Authors
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# Copyright 1999-2022 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: python-any-r1.eclass
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@ -36,7 +36,7 @@
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# both.
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#
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# For more information, please see the Python Guide:
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# https://dev.gentoo.org/~mgorny/python-guide/
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# https://projects.gentoo.org/python/guide/
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case "${EAPI:-0}" in
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[0-5]) die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" ;;
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@ -58,7 +58,7 @@ fi
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EXPORT_FUNCTIONS pkg_setup
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# @ECLASS-VARIABLE: PYTHON_COMPAT
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# @ECLASS_VARIABLE: PYTHON_COMPAT
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# @REQUIRED
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# @DESCRIPTION:
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# This variable contains a list of Python implementations the package
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@ -70,7 +70,7 @@ EXPORT_FUNCTIONS pkg_setup
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# PYTHON_COMPAT=( python{2_5,2_6,2_7} )
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_COMPAT_OVERRIDE
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# @ECLASS_VARIABLE: PYTHON_COMPAT_OVERRIDE
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# @USER_VARIABLE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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@ -89,7 +89,7 @@ EXPORT_FUNCTIONS pkg_setup
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# PYTHON_COMPAT_OVERRIDE='pypy' emerge -1v dev-python/bar
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_REQ_USE
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# @ECLASS_VARIABLE: PYTHON_REQ_USE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# The list of USEflags required to be enabled on the Python
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@ -107,7 +107,7 @@ EXPORT_FUNCTIONS pkg_setup
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# || ( dev-lang/python:X.Y[gdbm,ncurses(-)?] ... )
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_DEPS
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# @ECLASS_VARIABLE: PYTHON_DEPS
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# This is an eclass-generated Python dependency string for all
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@ -126,7 +126,7 @@ EXPORT_FUNCTIONS pkg_setup
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# dev-lang/python:2.6[gdbm] )
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_USEDEP
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# @ECLASS_VARIABLE: PYTHON_USEDEP
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# An eclass-generated USE-dependency string for the currently tested
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@ -148,7 +148,7 @@ EXPORT_FUNCTIONS pkg_setup
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# python_targets_python3_7(-)
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_SINGLE_USEDEP
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# @ECLASS_VARIABLE: PYTHON_SINGLE_USEDEP
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# An eclass-generated USE-dependency string for the currently tested
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@ -271,44 +271,6 @@ python_gen_any_dep() {
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echo "|| ( ${out})"
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}
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# @FUNCTION: _python_EPYTHON_supported
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# @USAGE: <epython>
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# @INTERNAL
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# @DESCRIPTION:
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# Check whether the specified implementation is supported by package
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# (specified in PYTHON_COMPAT). Calls python_check_deps() if declared.
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_python_EPYTHON_supported() {
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debug-print-function ${FUNCNAME} "${@}"
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local EPYTHON=${1}
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local i=${EPYTHON/./_}
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case "${i}" in
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python*|jython*|pypy*)
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;;
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*)
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ewarn "Invalid EPYTHON: ${EPYTHON}"
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return 1
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;;
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esac
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if has "${i}" "${_PYTHON_SUPPORTED_IMPLS[@]}"; then
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if python_is_installed "${i}"; then
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if declare -f python_check_deps >/dev/null; then
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local PYTHON_USEDEP="python_targets_${i}(-)"
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local PYTHON_SINGLE_USEDEP="python_single_target_${i}(-)"
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python_check_deps
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return ${?}
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fi
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return 0
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fi
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elif ! has "${i}" "${_PYTHON_ALL_IMPLS[@]}"; then
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ewarn "Invalid EPYTHON: ${EPYTHON}"
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fi
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return 1
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}
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# @FUNCTION: python_setup
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# @DESCRIPTION:
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# Determine what the best installed (and supported) Python
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@ -332,27 +294,37 @@ python_setup() {
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_python_export "${impls[0]}" EPYTHON PYTHON
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_python_wrapper_setup
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einfo "Using ${EPYTHON} to build"
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einfo "Using ${EPYTHON} to build (via PYTHON_COMPAT_OVERRIDE)"
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return
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fi
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# first, try ${EPYTHON}... maybe it's good enough for us.
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if [[ ${EPYTHON} ]]; then
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if _python_EPYTHON_supported "${EPYTHON}"; then
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local epython_impl=${EPYTHON/./_}
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if [[ ${epython_impl} ]]; then
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if ! has "${epython_impl}" "${_PYTHON_SUPPORTED_IMPLS[@]}"; then
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if ! has "${epython_impl}" "${_PYTHON_ALL_IMPLS[@]}"; then
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ewarn "Invalid EPYTHON: ${EPYTHON}"
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else
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einfo "EPYTHON (${EPYTHON}) not supported by the package"
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fi
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elif _python_run_check_deps "${epython_impl}"; then
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_python_export EPYTHON PYTHON
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_python_wrapper_setup
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einfo "Using ${EPYTHON} to build"
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einfo "Using ${EPYTHON} to build (via EPYTHON)"
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return
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fi
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fi
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# fallback to best installed impl.
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# fallback to the best installed impl.
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# (reverse iteration over _PYTHON_SUPPORTED_IMPLS)
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for (( i = ${#_PYTHON_SUPPORTED_IMPLS[@]} - 1; i >= 0; i-- )); do
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_python_export "${_PYTHON_SUPPORTED_IMPLS[i]}" EPYTHON PYTHON
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if _python_EPYTHON_supported "${EPYTHON}"; then
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local impl=${_PYTHON_SUPPORTED_IMPLS[i]}
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# avoid checking EPYTHON twice
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[[ ${impl} == ${epython_impl} ]] && continue
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_python_export "${impl}" EPYTHON PYTHON
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if _python_run_check_deps "${impl}"; then
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_python_wrapper_setup
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einfo "Using ${EPYTHON} to build"
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einfo "Using ${EPYTHON} to build (via PYTHON_COMPAT iteration)"
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return
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fi
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done
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