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From: "Michał Górny" <mgorny@gentoo.org>
To: gentoo-commits@lists.gentoo.org
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Reply-To: gentoo-dev@lists.gentoo.org, "Michał Górny" <mgorny@gentoo.org>
Message-ID: <1451573523.f202e56a0ead3feba43041ee4d5cc45f93c86d85.mgorny@gentoo>
Subject: [gentoo-commits] repo/gentoo:master commit in: eclass/
X-VCS-Repository: repo/gentoo
X-VCS-Files: eclass/python-r1.eclass
X-VCS-Directories: eclass/
X-VCS-Committer: mgorny
X-VCS-Committer-Name: Michał Górny
X-VCS-Revision: f202e56a0ead3feba43041ee4d5cc45f93c86d85
X-VCS-Branch: master
Date: Thu, 31 Dec 2015 14:52:34 +0000 (UTC)
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commit: f202e56a0ead3feba43041ee4d5cc45f93c86d85
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Thu Dec 17 22:23:53 2015 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Thu Dec 31 14:52:03 2015 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f202e56a
python-r1.eclass: Introduce python_gen_impl_dep
Add a python_gen_impl_dep() that serves the purpose of generating custom
dependencies on the Python interpreter (like PYTHON_DEPS). The function
provides ability to request dependencies with another USE dependency
string (different than global PYTHON_REQ_USE) and limit the dependencies
to subset of supported implementations.
eclass/python-r1.eclass | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/eclass/python-r1.eclass b/eclass/python-r1.eclass
index 76fd944..6106577 100644
--- a/eclass/python-r1.eclass
+++ b/eclass/python-r1.eclass
@@ -383,6 +383,58 @@ python_gen_cond_dep() {
echo "${matches[@]}"
}
+# @FUNCTION: python_gen_impl_dep
+# @USAGE: [<requested-use-flags> [<impl-pattern>...]]
+# @DESCRIPTION:
+# Output a dependency on Python implementations with the specified USE
+# dependency string appended, or no USE dependency string if called
+# without the argument (or with empty argument). If any implementation
+# patterns are passed, the output dependencies will be generated only
+# for the implementations matching them.
+#
+# Use this function when you need to request different USE flags
+# on the Python interpreter depending on package's USE flags. If you
+# only need a single set of interpreter USE flags, just set
+# PYTHON_REQ_USE and use ${PYTHON_DEPS} globally.
+#
+# Example:
+# @CODE
+# PYTHON_COMPAT=( python{2_7,3_{3,4}} pypy )
+# RDEPEND="foo? ( $(python_gen_impl_dep 'xml(+)') )"
+# @CODE
+#
+# It will cause the variable to look like:
+# @CODE
+# RDEPEND="foo? (
+# python_targets_python2_7? (
+# dev-lang/python:2.7[xml(+)] )
+# python_targets_pypy? (
+# dev-python/pypy[xml(+)] ) )"
+# @CODE
+python_gen_impl_dep() {
+ debug-print-function ${FUNCNAME} "${@}"
+
+ local impl pattern
+ local matches=()
+
+ local PYTHON_REQ_USE=${1}
+ shift
+
+ local patterns=( "${@-*}" )
+ for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do
+ for pattern in "${patterns[@]}"; do
+ if [[ ${impl} == ${pattern} ]]; then
+ local PYTHON_PKG_DEP
+ python_export "${impl}" PYTHON_PKG_DEP
+ matches+=( "python_targets_${impl}? ( ${PYTHON_PKG_DEP} )" )
+ break
+ fi
+ done
+ done
+
+ echo "${matches[@]}"
+}
+
# @ECLASS-VARIABLE: BUILD_DIR
# @DESCRIPTION:
# The current build directory. In global scope, it is supposed to