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eclass/python-any-r1: Sync with gentoo
It's from gentoo commit 707225008e3f7447fe3755b14d7a1d270f6b3612.
This commit is contained in:
Krzesimir Nowak
parent
424f39abe3
commit
62dca17de2
@ -1,4 +1,4 @@
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# Copyright 1999-2018 Gentoo Foundation
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# Copyright 1999-2021 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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@ -7,7 +7,8 @@
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# @AUTHOR:
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# Author: Michał Górny <mgorny@gentoo.org>
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# Based on work of: Krzysztof Pawlik <nelchael@gentoo.org>
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# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6 7
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# @SUPPORTED_EAPIS: 6 7 8
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# @PROVIDES: python-utils-r1
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# @BLURB: An eclass for packages having build-time dependency on Python.
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# @DESCRIPTION:
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# A minimal eclass for packages which need any Python interpreter
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@ -24,24 +25,23 @@
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# be called by the eclass with EPYTHON set to each matching Python
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# implementation and it is expected to check whether the implementation
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# fulfills the package requirements. You can use the locally exported
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# PYTHON_USEDEP to check USE-dependencies of relevant packages. It
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# should return a true value (0) if the Python implementation fulfills
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# the requirements, a false value (non-zero) otherwise.
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# PYTHON_USEDEP or PYTHON_SINGLE_USEDEP to check USE-dependencies
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# of relevant packages. It should return a true value (0) if the Python
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# implementation fulfills the requirements, a false value (non-zero)
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# otherwise.
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#
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# Please note that python-any-r1 will always inherit python-utils-r1
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# as well. Thus, all the functions defined there can be used in the
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# packages using python-any-r1, and there is no need ever to inherit
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# both.
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#
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# For more information, please see the wiki:
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# https://wiki.gentoo.org/wiki/Project:Python/python-any-r1
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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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case "${EAPI:-0}" in
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0|1|2|3|4|5|6|7)
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;;
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*)
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die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
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;;
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[0-5]) die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" ;;
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[6-8]) ;;
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*) die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" ;;
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esac
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if [[ ! ${_PYTHON_ANY_R1} ]]; then
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@ -71,7 +71,8 @@ EXPORT_FUNCTIONS pkg_setup
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_COMPAT_OVERRIDE
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# @INTERNAL
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# @USER_VARIABLE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# This variable can be used when working with ebuilds to override
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# the in-ebuild PYTHON_COMPAT. It is a string naming the implementation
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@ -107,6 +108,7 @@ EXPORT_FUNCTIONS pkg_setup
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# @CODE
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# @ECLASS-VARIABLE: PYTHON_DEPS
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# This is an eclass-generated Python dependency string for all
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# implementations listed in PYTHON_COMPAT.
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@ -115,8 +117,7 @@ EXPORT_FUNCTIONS pkg_setup
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#
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# Example use:
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# @CODE
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# DEPEND="${RDEPEND}
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# ${PYTHON_DEPS}"
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# BDEPEND="${PYTHON_DEPS}"
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# @CODE
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#
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# Example value:
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@ -126,13 +127,14 @@ EXPORT_FUNCTIONS pkg_setup
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# @CODE
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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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# implementation. It is set locally for python_check_deps() call.
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#
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# The generate USE-flag list is compatible with packages using python-r1,
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# python-single-r1 and python-distutils-ng eclasses. It must not be used
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# on packages using python.eclass.
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# The generated USE-flag list is compatible with packages using
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# python-r1 eclass. For python-single-r1 dependencies,
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# use PYTHON_SINGLE_USEDEP.
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#
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# Example use:
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# @CODE
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@ -143,20 +145,43 @@ EXPORT_FUNCTIONS pkg_setup
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#
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# Example value:
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# @CODE
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# python_targets_python2_7(-)?,python_single_target_python2_7(+)?
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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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# @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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# implementation. It is set locally for python_check_deps() call.
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#
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# The generated USE-flag list is compatible with packages using
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# python-single-r1 eclass. For python-r1 dependencies,
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# use PYTHON_USEDEP.
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#
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# Example use:
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# @CODE
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# python_check_deps() {
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# has_version "dev-python/bar[${PYTHON_SINGLE_USEDEP}]"
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# }
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# @CODE
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#
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# Example value:
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# @CODE
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# python_single_target_python3_7(-)
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# @CODE
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_python_any_set_globals() {
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local usestr deps i PYTHON_PKG_DEP
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[[ ${PYTHON_REQ_USE} ]] && usestr="[${PYTHON_REQ_USE}]"
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_PYTHON_ALLOW_PY27=1 \
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_python_set_impls
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for i in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do
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python_export "${i}" PYTHON_PKG_DEP
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_python_export "${i}" PYTHON_PKG_DEP
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# note: need to strip '=' slot operator for || deps
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deps="${PYTHON_PKG_DEP%=} ${deps}"
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deps="${PYTHON_PKG_DEP/:0=/:0} ${deps}"
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done
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deps="|| ( ${deps})"
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@ -171,6 +196,12 @@ _python_any_set_globals() {
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PYTHON_DEPS=${deps}
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readonly PYTHON_DEPS
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fi
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if [[ ! ${PYTHON_REQUIRED_USE+1} ]]; then
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# fake var to catch mistaken usage
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PYTHON_REQUIRED_USE='I-DO-NOT-EXIST-IN-PYTHON-ANY-R1'
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readonly PYTHON_REQUIRED_USE
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fi
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}
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_python_any_set_globals
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unset -f _python_any_set_globals
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@ -183,20 +214,21 @@ if [[ ! ${_PYTHON_ANY_R1} ]]; then
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# Generate an any-of dependency that enforces a version match between
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# the Python interpreter and Python packages. <dependency-block> needs
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# to list one or more dependencies with verbatim '${PYTHON_USEDEP}'
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# references (quoted!) that will get expanded inside the function.
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# or '${PYTHON_SINGLE_USEDEP}' references (quoted!) that will get
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# expanded inside the function.
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#
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# This should be used along with an appropriate python_check_deps()
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# that checks which of the any-of blocks were matched.
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#
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# Example use:
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# @CODE
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# DEPEND="$(python_gen_any_dep '
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# dev-python/foo[${PYTHON_USEDEP}]
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# BDEPEND="$(python_gen_any_dep '
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# dev-python/foo[${PYTHON_SINGLE_USEDEP}]
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# || ( dev-python/bar[${PYTHON_USEDEP}]
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# dev-python/baz[${PYTHON_USEDEP}] )')"
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#
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# python_check_deps() {
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# has_version "dev-python/foo[${PYTHON_USEDEP}]" \
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# has_version "dev-python/foo[${PYTHON_SINGLE_USEDEP}]" \
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# && { has_version "dev-python/bar[${PYTHON_USEDEP}]" \
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# || has_version "dev-python/baz[${PYTHON_USEDEP}]"; }
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# }
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@ -206,16 +238,16 @@ if [[ ! ${_PYTHON_ANY_R1} ]]; then
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# @CODE
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# || (
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# (
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# dev-lang/python:2.7
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# dev-python/foo[python_targets_python2_7(-)?,python_single_target_python2_7(+)?]
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# || ( dev-python/bar[python_targets_python2_7(-)?,python_single_target_python2_7(+)?]
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# dev-python/baz[python_targets_python2_7(-)?,python_single_target_python2_7(+)?] )
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# dev-lang/python:3.7
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# dev-python/foo[python_single_target_python3_7(-)]
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# || ( dev-python/bar[python_targets_python3_7(-)
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# dev-python/baz[python_targets_python3_7(-) )
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# )
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# (
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# dev-lang/python:3.3
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# dev-python/foo[python_targets_python3_3(-)?,python_single_target_python3_3(+)?]
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# || ( dev-python/bar[python_targets_python3_3(-)?,python_single_target_python3_3(+)?]
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# dev-python/baz[python_targets_python3_3(-)?,python_single_target_python3_3(+)?] )
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# dev-lang/python:3.8
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# dev-python/foo[python_single_target_python3_8(-)]
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# || ( dev-python/bar[python_targets_python3_8(-)]
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# dev-python/baz[python_targets_python3_8(-)] )
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# )
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# )
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# @CODE
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@ -227,10 +259,12 @@ python_gen_any_dep() {
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local i PYTHON_PKG_DEP out=
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for i in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do
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local PYTHON_USEDEP="python_targets_${i}(-),python_single_target_${i}(+)"
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python_export "${i}" PYTHON_PKG_DEP
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local PYTHON_USEDEP="python_targets_${i}(-)"
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local PYTHON_SINGLE_USEDEP="python_single_target_${i}(-)"
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_python_export "${i}" PYTHON_PKG_DEP
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local i_depstr=${depstr//\$\{PYTHON_USEDEP\}/${PYTHON_USEDEP}}
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i_depstr=${i_depstr//\$\{PYTHON_SINGLE_USEDEP\}/${PYTHON_SINGLE_USEDEP}}
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# note: need to strip '=' slot operator for || deps
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out="( ${PYTHON_PKG_DEP%=} ${i_depstr} ) ${out}"
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done
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@ -261,7 +295,8 @@ _python_EPYTHON_supported() {
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if has "${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_${i}(-),python_single_target_${i}(+)"
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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 ${?}
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fi
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@ -295,41 +330,29 @@ python_setup() {
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ewarn
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ewarn "Dependencies won't be satisfied, and EPYTHON/eselect-python will be ignored."
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python_export "${impls[0]}" EPYTHON PYTHON
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python_wrapper_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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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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python_export EPYTHON PYTHON
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python_wrapper_setup
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_python_export EPYTHON PYTHON
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_python_wrapper_setup
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einfo "Using ${EPYTHON} to build"
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return
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fi
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fi
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# then, try eselect-python
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local variant i
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for variant in '' '--python2' '--python3'; do
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i=$(eselect python --show ${variant} 2>/dev/null)
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if [[ ! ${i} ]]; then
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# no eselect-python?
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break
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elif _python_EPYTHON_supported "${i}"; then
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python_export "${i}" EPYTHON PYTHON
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python_wrapper_setup
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return
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fi
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done
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# fallback to 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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_python_export "${_PYTHON_SUPPORTED_IMPLS[i]}" EPYTHON PYTHON
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if _python_EPYTHON_supported "${EPYTHON}"; then
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python_wrapper_setup
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_python_wrapper_setup
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einfo "Using ${EPYTHON} to build"
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return
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fi
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done
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