Refresh unladen ebuild and add patched eclass

svn path=/trunk/; revision=775

5 files changed, 2312 insertions, 2 deletions

diff --git a/dev-lang/unladen-swallow/Manifest b/dev-lang/unladen-swallow/Manifest
index 7328751..c1b5e55 100644
--- a/dev-lang/unladen-swallow/Manifest
+++ b/dev-lang/unladen-swallow/Manifest
@@ -1,4 +1,6 @@
 AUX fix-destdir-install.patch 482 RMD160 5a29ad928dba4aff7c48719bd394fa4158aaee1e SHA1 62bfa5b4ba83235895ad5a202af0a198e3b0074b SHA256 be980ec3eaaccbda74a176824cc610c5844523dbff0365a4361f2d57bcb3397a
 AUX install-version.patch 1966 RMD160 973fca97288337635102eae860a6ee2b8621f30c SHA1 c80f8a803b1950471f908accc40982abb773ade2 SHA256 f3982ba14d29dcaf9849e6ecfa284a1b051e23304cb901e295c98a1bbb62e0a4
 AUX install-version2.patch 3400 RMD160 6a9becb4f692ea37530c629fcf65373a7b95e4d2 SHA1 99dba159d5c1bddaefe00680a164af53e48d6ea5 SHA256 1efcfd19086a2246b7c1d40a287769bc7b924e11ddb35901d0ade9c5f65a679d
-EBUILD unladen-swallow-9999.ebuild 10242 RMD160 bbe1987b144be4c2691730f9baa245b2c84da7fd SHA1 8cc1d270fc0f01e7e77d45be8cac92ac78604cbb SHA256 e193330c0ee8f80235ecfe8dcebef49cc7b8c84fdd66292c8a651d74327e8455
+AUX pydoc.conf 330 RMD160 0cd619ec251597e0fcadc05bfd249915e73baa17 SHA1 a56100d45378c554b9822f6ed512a6cb7841ef50 SHA256 a45ebba2de5f2b0e963db4101507203d095c5ff667ae5002c4897a9c87786fa1
+AUX pydoc.init 666 RMD160 11caf3a78bce4cdaebacaf21eaf26cc1ce30282e SHA1 88c5cb6d5bf737c74e1be93118cf157630af9ad7 SHA256 0d25c71232b74adb87dc709cc7cd8f8b13c452c0fe82fa33808f907f7a96d628
+EBUILD unladen-swallow-9999.ebuild 10194 RMD160 eef403f250c1a3c07c5f92f64a921c3e969dae93 SHA1 42f2a4a26b438fc956ee185e402e2bd8848b38b6 SHA256 ef99ccab59e6408f865c596c75ad0e430a5323e6a3b64b3092d8dcf6e8f5b86e
diff --git a/dev-lang/unladen-swallow/files/pydoc.conf b/dev-lang/unladen-swallow/files/pydoc.conf
new file mode 100644
index 0000000..4a98fd4
--- /dev/null
+++ b/dev-lang/unladen-swallow/files/pydoc.conf
@@ -0,0 +1,8 @@
+# /etc/init.d/pydoc.conf
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/files/pydoc.conf,v 1.2 2008/06/30 15:10:28 hawking Exp $
+
+# This file contains the configuration information for pydoc's internal
+# webserver.  The variables should be rather self explanatory :-)
+
+# Default port for Python's pydoc server
+PYDOC_PORT=7464
diff --git a/dev-lang/unladen-swallow/files/pydoc.init b/dev-lang/unladen-swallow/files/pydoc.init
new file mode 100644
index 0000000..19b63e3
--- /dev/null
+++ b/dev-lang/unladen-swallow/files/pydoc.init
@@ -0,0 +1,26 @@
+#!/sbin/runscript
+# Copyright 1999-2008 Gentoo Technologies, Inc.
+# Distributed under the terms of the GNU General Public Licence v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/files/pydoc.init,v 1.2 2008/06/30 15:10:28 hawking Exp $
+
+depend() {
+	need net
+}
+
+start() {
+	if [ -z $PYDOC_PORT ] ; then
+		eerror "Port not set"
+		return 1
+	fi
+	ebegin "Starting pydoc server on port $PYDOC_PORT" 
+	start-stop-daemon --start --background --make-pidfile \
+			  --pidfile /var/run/pydoc.pid \
+			  --startas /usr/bin/pydoc -- -p $PYDOC_PORT
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping pydoc server"
+	start-stop-daemon --stop --quiet --pidfile /var/run/pydoc.pid
+	eend $?
+}
diff --git a/dev-lang/unladen-swallow/unladen-swallow-9999.ebuild b/dev-lang/unladen-swallow/unladen-swallow-9999.ebuild
index 93e0b12..11d0c47 100644
--- a/dev-lang/unladen-swallow/unladen-swallow-9999.ebuild
+++ b/dev-lang/unladen-swallow/unladen-swallow-9999.ebuild
@@ -85,7 +85,6 @@ src_prepare() {
 		rm "${WORKDIR}/${PV}"/*_all_crosscompile.patch
 	fi
 
-	epatch "${FILESDIR}"/fix-destdir-install.patch
 	epatch "${FILESDIR}"/install-version.patch
 	epatch "${FILESDIR}"/install-version2.patch
 
diff --git a/eclass/python.eclass b/eclass/python.eclass
new file mode 100644
index 0000000..2efe977
--- /dev/null
+++ b/eclass/python.eclass
@@ -0,0 +1,2275 @@
+# Copyright 1999-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.96 2010/03/26 15:23:17 arfrever Exp $
+
+# @ECLASS: python.eclass
+# @MAINTAINER:
+# Gentoo Python Project <python@gentoo.org>
+# @BLURB: Eclass for Python packages
+# @DESCRIPTION:
+# The python eclass contains miscellaneous, useful functions for Python packages.
+
+inherit multilib
+
+if ! has "${EAPI:-0}" 0 1 2 3; then
+	die "API of python.eclass in EAPI=\"${EAPI}\" not established"
+fi
+
+_CPYTHON2_SUPPORTED_ABIS=(2.4 2.5 2.6 2.7)
+_CPYTHON3_SUPPORTED_ABIS=(3.0 3.1 3.2)
+_JYTHON_SUPPORTED_ABIS=(2.5-jython)
+_UNLADEN_SUPPORTED_ABIS=(unladen-2.6)
+
+# @ECLASS-VARIABLE: PYTHON_DEPEND
+# @DESCRIPTION:
+# Specification of dependency on dev-lang/python.
+# Syntax:
+#   PYTHON_DEPEND:             [[!]USE_flag? ]<version_components_group>[ version_components_group]
+#   version_components_group:  <major_version[:[minimal_version][:maximal_version]]>
+#   major_version:             <2|3|*>
+#   minimal_version:           <minimal_major_version.minimal_minor_version>
+#   maximal_version:           <maximal_major_version.maximal_minor_version>
+
+_parse_PYTHON_DEPEND() {
+	local major_version maximal_version minimal_version python_all="0" python_maximal_version python_minimal_version python_versions=() python2="0" python2_maximal_version python2_minimal_version python3="0" python3_maximal_version python3_minimal_version USE_flag= version_components_group version_components_group_regex version_components_groups
+
+	version_components_group_regex="(2|3|\*)(:([[:digit:]]+\.[[:digit:]]+)?(:([[:digit:]]+\.[[:digit:]]+)?)?)?"
+	version_components_groups="${PYTHON_DEPEND}"
+
+	if [[ "${version_components_groups}" =~ ^((\!)?[[:alnum:]_-]+\?\ )?${version_components_group_regex}(\ ${version_components_group_regex})?$ ]]; then
+		if [[ "${version_components_groups}" =~ ^(\!)?[[:alnum:]_-]+\? ]]; then
+			USE_flag="${version_components_groups%\? *}"
+			version_components_groups="${version_components_groups#* }"
+		fi
+		if [[ "${version_components_groups}" =~ ("*".*" "|" *"|^2.*\ (2|\*)|^3.*\ (3|\*)) ]]; then
+			die "Invalid syntax of PYTHON_DEPEND: Incorrectly specified groups of versions"
+		fi
+
+		version_components_groups="${version_components_groups// /$'\n'}"
+		while read version_components_group; do
+			major_version="${version_components_group:0:1}"
+			minimal_version="${version_components_group:2}"
+			minimal_version="${minimal_version%:*}"
+			maximal_version="${version_components_group:$((3 + ${#minimal_version}))}"
+
+			if [[ "${major_version}" =~ ^(2|3)$ ]]; then
+				if [[ -n "${minimal_version}" && "${major_version}" != "${minimal_version:0:1}" ]]; then
+					die "Invalid syntax of PYTHON_DEPEND: Minimal version '${minimal_version}' not in specified group of versions"
+				fi
+				if [[ -n "${maximal_version}" && "${major_version}" != "${maximal_version:0:1}" ]]; then
+					die "Invalid syntax of PYTHON_DEPEND: Maximal version '${maximal_version}' not in specified group of versions"
+				fi
+			fi
+
+			if [[ "${major_version}" == "2" ]]; then
+				python2="1"
+				python_versions=("${_CPYTHON2_SUPPORTED_ABIS[@]}")
+				python2_minimal_version="${minimal_version}"
+				python2_maximal_version="${maximal_version}"
+			elif [[ "${major_version}" == "3" ]]; then
+				python3="1"
+				python_versions=("${_CPYTHON3_SUPPORTED_ABIS[@]}")
+				python3_minimal_version="${minimal_version}"
+				python3_maximal_version="${maximal_version}"
+			else
+				python_all="1"
+				python_versions=("${_CPYTHON2_SUPPORTED_ABIS[@]}" "${_CPYTHON3_SUPPORTED_ABIS[@]}")
+				python_minimal_version="${minimal_version}"
+				python_maximal_version="${maximal_version}"
+			fi
+
+			if [[ -n "${minimal_version}" ]] && ! has "${minimal_version}" "${python_versions[@]}"; then
+				die "Invalid syntax of PYTHON_DEPEND: Unrecognized minimal version '${minimal_version}'"
+			fi
+			if [[ -n "${maximal_version}" ]] && ! has "${maximal_version}" "${python_versions[@]}"; then
+				die "Invalid syntax of PYTHON_DEPEND: Unrecognized maximal version '${maximal_version}'"
+			fi
+
+			if [[ -n "${minimal_version}" && -n "${maximal_version}" && "${minimal_version}" > "${maximal_version}" ]]; then
+				die "Invalid syntax of PYTHON_DEPEND: Minimal version '${minimal_version}' greater than maximal version '${maximal_version}'"
+			fi
+		done <<< "${version_components_groups}"
+
+		_PYTHON_ATOMS=()
+
+		_append_accepted_versions_range() {
+			local accepted_version="0" i
+			for ((i = "${#python_versions[@]}"; i >= 0; i--)); do
+				if [[ "${python_versions[${i}]}" == "${python_maximal_version}" ]]; then
+					accepted_version="1"
+				fi
+				if [[ "${accepted_version}" == "1" ]]; then
+					_PYTHON_ATOMS+=("=dev-lang/python-${python_versions[${i}]}*")
+				fi
+				if [[ "${python_versions[${i}]}" == "${python_minimal_version}" ]]; then
+					accepted_version="0"
+				fi
+			done
+		}
+
+		if [[ "${python_all}" == "1" ]]; then
+			if [[ -z "${python_minimal_version}" && -z "${python_maximal_version}" ]]; then
+				_PYTHON_ATOMS+=("dev-lang/python")
+			else
+				python_versions=("${_CPYTHON2_SUPPORTED_ABIS[@]}" "${_CPYTHON3_SUPPORTED_ABIS[@]}")
+				python_minimal_version="${python_minimal_version:-${python_versions[0]}}"
+				python_maximal_version="${python_maximal_version:-${python_versions[${#python_versions[@]}-1]}}"
+				_append_accepted_versions_range
+			fi
+		else
+			if [[ "${python3}" == "1" ]]; then
+				if [[ -z "${python3_minimal_version}" && -z "${python3_maximal_version}" ]]; then
+					_PYTHON_ATOMS+=("=dev-lang/python-3*")
+				else
+					python_versions=("${_CPYTHON3_SUPPORTED_ABIS[@]}")
+					python_minimal_version="${python3_minimal_version:-${python_versions[0]}}"
+					python_maximal_version="${python3_maximal_version:-${python_versions[${#python_versions[@]}-1]}}"
+					_append_accepted_versions_range
+				fi
+			fi
+			if [[ "${python2}" == "1" ]]; then
+				if [[ -z "${python2_minimal_version}" && -z "${python2_maximal_version}" ]]; then
+					_PYTHON_ATOMS+=("=dev-lang/python-2*")
+				else
+					python_versions=("${_CPYTHON2_SUPPORTED_ABIS[@]}")
+					python_minimal_version="${python2_minimal_version:-${python_versions[0]}}"
+					python_maximal_version="${python2_maximal_version:-${python_versions[${#python_versions[@]}-1]}}"
+					_append_accepted_versions_range
+				fi
+			fi
+		fi
+
+		unset -f _append_accepted_versions_range
+
+		if [[ "${#_PYTHON_ATOMS[@]}" -gt 1 ]]; then
+			DEPEND+="${DEPEND:+ }${USE_flag}${USE_flag:+? ( }|| ( ${_PYTHON_ATOMS[@]} )${USE_flag:+ )}"
+			RDEPEND+="${RDEPEND:+ }${USE_flag}${USE_flag:+? ( }|| ( ${_PYTHON_ATOMS[@]} )${USE_flag:+ )}"
+		else
+			DEPEND+="${DEPEND:+ }${USE_flag}${USE_flag:+? ( }${_PYTHON_ATOMS[@]}${USE_flag:+ )}"
+			RDEPEND+="${RDEPEND:+ }${USE_flag}${USE_flag:+? ( }${_PYTHON_ATOMS[@]}${USE_flag:+ )}"
+		fi
+	else
+		die "Invalid syntax of PYTHON_DEPEND"
+	fi
+}
+
+DEPEND=">=app-admin/eselect-python-20091230"
+RDEPEND="${DEPEND}"
+
+if [[ -n "${PYTHON_DEPEND}" && -n "${NEED_PYTHON}" ]]; then
+	die "PYTHON_DEPEND and NEED_PYTHON cannot be set simultaneously"
+elif [[ -n "${PYTHON_DEPEND}" ]]; then
+	_parse_PYTHON_DEPEND
+elif [[ -n "${NEED_PYTHON}" ]]; then
+	if ! has "${EAPI:-0}" 0 1 2; then
+		eerror "Use PYTHON_DEPEND instead of NEED_PYTHON."
+		die "NEED_PYTHON cannot be used in this EAPI"
+	fi
+	_PYTHON_ATOMS=(">=dev-lang/python-${NEED_PYTHON}")
+	DEPEND+="${DEPEND:+ }${_PYTHON_ATOMS[@]}"
+	RDEPEND+="${RDEPEND:+ }${_PYTHON_ATOMS[@]}"
+else
+	_PYTHON_ATOMS=("dev-lang/python")
+fi
+
+# @ECLASS-VARIABLE: PYTHON_USE_WITH
+# @DESCRIPTION:
+# Set this to a space separated list of USE flags the Python slot in use must be built with.
+
+# @ECLASS-VARIABLE: PYTHON_USE_WITH_OR
+# @DESCRIPTION:
+# Set this to a space separated list of USE flags of which one must be turned on for the slot in use.
+
+# @ECLASS-VARIABLE: PYTHON_USE_WITH_OPT
+# @DESCRIPTION:
+# Set this to a name of a USE flag if you need to make either PYTHON_USE_WITH or
+# PYTHON_USE_WITH_OR atoms conditional under a USE flag.
+
+# @FUNCTION: python_pkg_setup
+# @DESCRIPTION:
+# Makes sure PYTHON_USE_WITH or PYTHON_USE_WITH_OR listed use flags
+# are respected. Only exported if one of those variables is set.
+if ! has "${EAPI:-0}" 0 1 && [[ -n ${PYTHON_USE_WITH} || -n ${PYTHON_USE_WITH_OR} ]]; then
+	python_pkg_setup() {
+		# Check if phase is pkg_setup().
+		[[ "${EBUILD_PHASE}" != "setup" ]] && die "${FUNCNAME}() can be used only in pkg_setup() phase"
+
+		python_pkg_setup_fail() {
+			eerror "${1}"
+			die "${1}"
+		}
+
+		if [[ "${PYTHON_USE_WITH_OPT}" ]]; then
+			if [[ "${PYTHON_USE_WITH_OPT}" == !* ]]; then
+				use ${PYTHON_USE_WITH_OPT#!} && return
+			else
+				use !${PYTHON_USE_WITH_OPT} && return
+			fi
+		fi
+
+		python_pkg_setup_check_USE_flags() {
+			local pyatom use
+			pyatom="$(python_get_implementational_package)"
+
+			for use in ${PYTHON_USE_WITH}; do
+				if ! has_version "${pyatom}[${use}]"; then
+					python_pkg_setup_fail "Please rebuild ${pyatom} with the following USE flags enabled: ${PYTHON_USE_WITH}"
+				fi
+			done
+
+			for use in ${PYTHON_USE_WITH_OR}; do
+				if has_version "${pyatom}[${use}]"; then
+					return
+				fi
+			done
+
+			if [[ ${PYTHON_USE_WITH_OR} ]]; then
+				python_pkg_setup_fail "Please rebuild ${pyatom} with at least one of the following USE flags enabled: ${PYTHON_USE_WITH_OR}"
+			fi
+		}
+
+		if _python_package_supporting_installation_for_multiple_python_abis; then
+			python_execute_function -q python_pkg_setup_check_USE_flags
+		else
+			python_pkg_setup_check_USE_flags
+		fi
+
+		unset -f python_pkg_setup_check_USE_flags python_pkg_setup_fail
+	}
+
+	EXPORT_FUNCTIONS pkg_setup
+
+	_PYTHON_USE_WITH_ATOMS_ARRAY=()
+	if [[ -n "${PYTHON_USE_WITH}" ]]; then
+		for _PYTHON_ATOM in "${_PYTHON_ATOMS[@]}"; do
+			_PYTHON_USE_WITH_ATOMS_ARRAY+=("${_PYTHON_ATOM}[${PYTHON_USE_WITH/ /,}]")
+		done
+	elif [[ -n "${PYTHON_USE_WITH_OR}" ]]; then
+		for _USE_flag in ${PYTHON_USE_WITH_OR}; do
+			for _PYTHON_ATOM in "${_PYTHON_ATOMS[@]}"; do
+				_PYTHON_USE_WITH_ATOMS_ARRAY+=("${_PYTHON_ATOM}[${_USE_flag}]")
+			done
+		done
+		unset _USE_flag
+	fi
+	if [[ "${#_PYTHON_USE_WITH_ATOMS_ARRAY[@]}" -gt 1 ]]; then
+		_PYTHON_USE_WITH_ATOMS="|| ( ${_PYTHON_USE_WITH_ATOMS_ARRAY[@]} )"
+	else
+		_PYTHON_USE_WITH_ATOMS="${_PYTHON_USE_WITH_ATOMS_ARRAY[@]}"
+	fi
+	if [[ -n "${PYTHON_USE_WITH_OPT}" ]]; then
+		_PYTHON_USE_WITH_ATOMS="${PYTHON_USE_WITH_OPT}? ( ${_PYTHON_USE_WITH_ATOMS} )"
+	fi
+	DEPEND+=" ${_PYTHON_USE_WITH_ATOMS}"
+	RDEPEND+=" ${_PYTHON_USE_WITH_ATOMS}"
+	unset _PYTHON_ATOM _PYTHON_USE_WITH_ATOMS _PYTHON_USE_WITH_ATOMS_ARRAY
+fi
+
+unset _PYTHON_ATOMS
+
+# ================================================================================================
+# =========== FUNCTIONS FOR PACKAGES SUPPORTING INSTALLATION FOR MULTIPLE PYTHON ABIS ============
+# ================================================================================================
+
+# @ECLASS-VARIABLE: SUPPORT_PYTHON_ABIS
+# @DESCRIPTION:
+# Set this in EAPI <= 4 to indicate that current package supports installation for
+# multiple Python ABIs.
+
+# @ECLASS-VARIABLE: PYTHON_EXPORT_PHASE_FUNCTIONS
+# @DESCRIPTION:
+# Set this to export phase functions for the following ebuild phases:
+# src_prepare, src_configure, src_compile, src_test, src_install.
+if ! has "${EAPI:-0}" 0 1; then
+	python_src_prepare() {
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}() cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+
+		python_copy_sources
+	}
+
+	for python_default_function in src_configure src_compile src_test src_install; do
+		eval "python_${python_default_function}() {
+			if ! _python_package_supporting_installation_for_multiple_python_abis; then
+				die \"\${FUNCNAME}() cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs\"
+			fi
+
+			python_execute_function -d -s \"\$@\"
+		}"
+	done
+	unset python_default_function
+
+	if [[ -n "${PYTHON_EXPORT_PHASE_FUNCTIONS}" ]]; then
+		EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
+	fi
+fi
+
+unset PYTHON_ABIS
+
+# @FUNCTION: validate_PYTHON_ABIS
+# @DESCRIPTION:
+# Ensure that PYTHON_ABIS variable has valid value.
+# This function usually should not be directly called in ebuilds.
+validate_PYTHON_ABIS() {
+	if ! _python_package_supporting_installation_for_multiple_python_abis; then
+		die "${FUNCNAME}() cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+	fi
+
+	_python_initial_sanity_checks
+
+	# USE_${ABI_TYPE^^} and RESTRICT_${ABI_TYPE^^}_ABIS variables hopefully will be included in EAPI >= 5.
+	if [[ "$(declare -p PYTHON_ABIS 2> /dev/null)" != "declare -x PYTHON_ABIS="* ]] && has "${EAPI:-0}" 0 1 2 3 4; then
+		local PYTHON_ABI restricted_ABI support_ABI supported_PYTHON_ABIS=
+		PYTHON_ABI_SUPPORTED_VALUES="${_CPYTHON2_SUPPORTED_ABIS[@]} ${_CPYTHON3_SUPPORTED_ABIS[@]} ${_JYTHON_SUPPORTED_ABIS[@]} ${_UNLADEN_SUPPORTED_ABIS[@]}"
+
+		if [[ "$(declare -p USE_PYTHON 2> /dev/null)" == "declare -x USE_PYTHON="* ]]; then
+			local cpython_enabled="0"
+
+			if [[ -z "${USE_PYTHON}" ]]; then
+				die "USE_PYTHON variable is empty"
+			fi
+
+			for PYTHON_ABI in ${USE_PYTHON}; do
+				if ! has "${PYTHON_ABI}" ${PYTHON_ABI_SUPPORTED_VALUES}; then
+					die "USE_PYTHON variable contains invalid value '${PYTHON_ABI}'"
+				fi
+
+				if has "${PYTHON_ABI}" "${_CPYTHON2_SUPPORTED_ABIS[@]}" "${_CPYTHON3_SUPPORTED_ABIS[@]}" "${_UNLADEN_SUPPORTED_ABIS[@]}"; then
+					cpython_enabled="1"
+				fi
+
+				support_ABI="1"
+				for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
+					if [[ "${PYTHON_ABI}" == ${restricted_ABI} ]]; then
+						support_ABI="0"
+						break
+					fi
+				done
+				[[ "${support_ABI}" == "1" ]] && export PYTHON_ABIS+="${PYTHON_ABIS:+ }${PYTHON_ABI}"
+			done
+
+			if [[ -z "${PYTHON_ABIS//[${IFS}]/}" ]]; then
+				die "USE_PYTHON variable does not enable any Python ABI supported by ${CATEGORY}/${PF}"
+			fi
+
+			if [[ "${cpython_enabled}" == "0" ]]; then
+				die "USE_PYTHON variable does not enable any CPython ABI"
+			fi
+		else
+			local python_version python2_version= python3_version= support_python_major_version
+
+			python_version="$("${EPREFIX}/usr/bin/python" -c 'from sys import version_info; print(".".join(str(x) for x in version_info[:2]))')"
+
+			if has_version "=dev-lang/python-2*"; then
+				if [[ "$(readlink "${EPREFIX}/usr/bin/python2")" != "python2."* ]]; then
+					die "'${EPREFIX}/usr/bin/python2' is not valid symlink"
+				fi
+
+				python2_version="$("${EPREFIX}/usr/bin/python2" -c 'from sys import version_info; print(".".join(str(x) for x in version_info[:2]))')"
+
+				for PYTHON_ABI in "${_CPYTHON2_SUPPORTED_ABIS[@]}" "${_UNLADEN_SUPPORTED_ABIS[@]}"; do
+					support_python_major_version="1"
+					for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
+						if [[ "${PYTHON_ABI}" == ${restricted_ABI} ]]; then
+							support_python_major_version="0"
+						fi
+					done
+					[[ "${support_python_major_version}" == "1" ]] && break
+				done
+				if [[ "${support_python_major_version}" == "1" ]]; then
+					for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
+						if [[ "${python2_version}" == ${restricted_ABI} ]]; then
+							die "Active version of Python 2 is not supported by ${CATEGORY}/${PF}"
+						fi
+					done
+				else
+					python2_version=""
+				fi
+			fi
+
+			if has_version "=dev-lang/python-3*"; then
+				if [[ "$(readlink "${EPREFIX}/usr/bin/python3")" != "python3."* ]]; then
+					die "'${EPREFIX}/usr/bin/python3' is not valid symlink"
+				fi
+
+				python3_version="$("${EPREFIX}/usr/bin/python3" -c 'from sys import version_info; print(".".join(str(x) for x in version_info[:2]))')"
+
+				for PYTHON_ABI in "${_CPYTHON3_SUPPORTED_ABIS[@]}"; do
+					support_python_major_version="1"
+					for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
+						if [[ "${PYTHON_ABI}" == ${restricted_ABI} ]]; then
+							support_python_major_version="0"
+						fi
+					done
+					[[ "${support_python_major_version}" == "1" ]] && break
+				done
+				if [[ "${support_python_major_version}" == "1" ]]; then
+					for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
+						if [[ "${python3_version}" == ${restricted_ABI} ]]; then
+							die "Active version of Python 3 is not supported by ${CATEGORY}/${PF}"
+						fi
+					done
+				else
+					python3_version=""
+				fi
+			fi
+
+			if [[ -n "${python2_version}" && "${python_version}" == "2."* && "${python_version}" != "${python2_version}" ]]; then
+				eerror "Python wrapper is configured incorrectly or '${EPREFIX}/usr/bin/python2' symlink"
+				eerror "is set incorrectly. Use \`eselect python\` to fix configuration."
+				die "Incorrect configuration of Python"
+			fi
+			if [[ -n "${python3_version}" && "${python_version}" == "3."* && "${python_version}" != "${python3_version}" ]]; then
+				eerror "Python wrapper is configured incorrectly or '${EPREFIX}/usr/bin/python3' symlink"
+				eerror "is set incorrectly. Use \`eselect python\` to fix configuration."
+				die "Incorrect configuration of Python"
+			fi
+
+			PYTHON_ABIS="${python2_version} ${python3_version}"
+			PYTHON_ABIS="${PYTHON_ABIS# }"
+			export PYTHON_ABIS="${PYTHON_ABIS% }"
+		fi
+	fi
+
+	_python_final_sanity_checks
+}
+
+# @FUNCTION: python_execute_function
+# @USAGE: [--action-message message] [-d|--default-function] [--failure-message message] [-f|--final-ABI] [--nonfatal] [-q|--quiet] [-s|--separate-build-dirs] [--source-dir source_directory] [--] <function> [arguments]
+# @DESCRIPTION:
+# Execute specified function for each value of PYTHON_ABIS, optionally passing additional
+# arguments. The specified function can use PYTHON_ABI and BUILDDIR variables.
+python_execute_function() {
+	if ! _python_package_supporting_installation_for_multiple_python_abis; then
+		die "${FUNCNAME}() cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+	fi
+
+	_python_set_color_variables
+
+	local action action_message action_message_template= default_function="0" failure_message failure_message_template= final_ABI="0" function i iterated_PYTHON_ABIS nonfatal="0" previous_directory previous_directory_stack previous_directory_stack_length PYTHON_ABI quiet="0" separate_build_dirs="0" source_dir=
+
+	while (($#)); do
+		case "$1" in
+			--action-message)
+				action_message_template="$2"
+				shift
+				;;
+			-d|--default-function)
+				default_function="1"
+				;;
+			--failure-message)
+				failure_message_template="$2"
+				shift
+				;;
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			--nonfatal)
+				nonfatal="1"
+				;;
+			-q|--quiet)
+				quiet="1"
+				;;
+			-s|--separate-build-dirs)
+				separate_build_dirs="1"
+				;;
+			--source-dir)
+				source_dir="$2"
+				shift
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	if [[ -n "${source_dir}" && "${separate_build_dirs}" == 0 ]]; then
+		die "${FUNCNAME}(): '--source-dir' option can be specified only with '--separate-build-dirs' option"
+	fi
+
+	if [[ "${default_function}" == "0" ]]; then
+		if [[ "$#" -eq 0 ]]; then
+			die "${FUNCNAME}(): Missing function name"
+		fi
+		function="$1"
+		shift
+
+		if [[ -z "$(type -t "${function}")" ]]; then
+			die "${FUNCNAME}(): '${function}' function is not defined"
+		fi
+	else
+		if has "${EAPI:-0}" 0 1; then
+			die "${FUNCNAME}(): '--default-function' option cannot be used in this EAPI"
+		fi
+
+		if [[ "${EBUILD_PHASE}" == "configure" ]]; then
+			if has "${EAPI}" 2 3; then
+				python_default_function() {
+					econf "$@"
+				}
+			else
+				python_default_function() {
+					nonfatal econf "$@"
+				}
+			fi
+		elif [[ "${EBUILD_PHASE}" == "compile" ]]; then
+			python_default_function() {
+				emake "$@"
+			}
+		elif [[ "${EBUILD_PHASE}" == "test" ]]; then
+			python_default_function() {
+				if emake -j1 -n check &> /dev/null; then
+					emake -j1 check "$@"
+				elif emake -j1 -n test &> /dev/null; then
+					emake -j1 test "$@"
+				fi
+			}
+		elif [[ "${EBUILD_PHASE}" == "install" ]]; then
+			python_default_function() {
+				emake DESTDIR="${D}" install "$@"
+			}
+		else
+			die "${FUNCNAME}(): '--default-function' option cannot be used in this ebuild phase"
+		fi
+		function="python_default_function"
+	fi
+
+	# Ensure that python_execute_function() cannot be directly or indirectly called by python_execute_function().
+	for ((i = 1; i < "${#FUNCNAME[@]}"; i++)); do
+		if [[ "${FUNCNAME[${i}]}" == "${FUNCNAME}" ]]; then
+			die "${FUNCNAME}(): Invalid call stack"
+		fi
+	done
+
+	if [[ "${quiet}" == "0" ]]; then
+		[[ "${EBUILD_PHASE}" == "setup" ]] && action="Setting up"
+		[[ "${EBUILD_PHASE}" == "unpack" ]] && action="Unpacking"
+		[[ "${EBUILD_PHASE}" == "prepare" ]] && action="Preparation"
+		[[ "${EBUILD_PHASE}" == "configure" ]] && action="Configuration"
+		[[ "${EBUILD_PHASE}" == "compile" ]] && action="Building"
+		[[ "${EBUILD_PHASE}" == "test" ]] && action="Testing"
+		[[ "${EBUILD_PHASE}" == "install" ]] && action="Installation"
+		[[ "${EBUILD_PHASE}" == "preinst" ]] && action="Preinstallation"
+		[[ "${EBUILD_PHASE}" == "postinst" ]] && action="Postinstallation"
+		[[ "${EBUILD_PHASE}" == "prerm" ]] && action="Preuninstallation"
+		[[ "${EBUILD_PHASE}" == "postrm" ]] && action="Postuninstallation"
+	fi
+
+	validate_PYTHON_ABIS
+	if [[ "${final_ABI}" == "1" ]]; then
+		iterated_PYTHON_ABIS="$(PYTHON -f --ABI)"
+	else
+		iterated_PYTHON_ABIS="${PYTHON_ABIS}"
+	fi
+	for PYTHON_ABI in ${iterated_PYTHON_ABIS}; do
+		if [[ "${quiet}" == "0" ]]; then
+			if [[ -n "${action_message_template}" ]]; then
+				action_message="$(eval echo -n "${action_message_template}")"
+			else
+				action_message="${action} of ${CATEGORY}/${PF} with $(python_get_implementation) $(python_get_version)..."
+			fi
+			echo " ${_GREEN}*${_NORMAL} ${_BLUE}${action_message}${_NORMAL}"
+		fi
+
+		if [[ "${separate_build_dirs}" == "1" ]]; then
+			if [[ -n "${source_dir}" ]]; then
+				export BUILDDIR="${S}/${source_dir}-${PYTHON_ABI}"
+			else
+				export BUILDDIR="${S}-${PYTHON_ABI}"
+			fi
+			pushd "${BUILDDIR}" > /dev/null || die "pushd failed"
+		else
+			export BUILDDIR="${S}"
+		fi
+
+		previous_directory="$(pwd)"
+		previous_directory_stack="$(dirs -p)"
+		previous_directory_stack_length="$(dirs -p | wc -l)"
+
+		if ! has "${EAPI}" 0 1 2 3 && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
+			EPYTHON="$(PYTHON)" nonfatal "${function}" "$@"
+		else
+			EPYTHON="$(PYTHON)" "${function}" "$@"
+		fi
+
+		if [[ "$?" != "0" ]]; then
+			if [[ -n "${failure_message_template}" ]]; then
+				failure_message="$(eval echo -n "${failure_message_template}")"
+			else
+				failure_message="${action} failed with $(python_get_implementation) $(python_get_version) in ${function}() function"
+			fi
+
+			if [[ "${nonfatal}" == "1" ]]; then
+				if [[ "${quiet}" == "0" ]]; then
+					ewarn "${_RED}${failure_message}${_NORMAL}"
+				fi
+			elif [[ "${final_ABI}" == "0" ]] && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
+				if [[ "${EBUILD_PHASE}" != "test" ]] || ! has test-fail-continue ${FEATURES}; then
+					local enabled_PYTHON_ABIS= other_PYTHON_ABI
+					for other_PYTHON_ABI in ${PYTHON_ABIS}; do
+						[[ "${other_PYTHON_ABI}" != "${PYTHON_ABI}" ]] && enabled_PYTHON_ABIS+="${enabled_PYTHON_ABIS:+ }${other_PYTHON_ABI}"
+					done
+					export PYTHON_ABIS="${enabled_PYTHON_ABIS}"
+				fi
+				if [[ "${quiet}" == "0" ]]; then
+					ewarn "${_RED}${failure_message}${_NORMAL}"
+				fi
+				if [[ -z "${PYTHON_ABIS}" ]]; then
+					die "${function}() function failed with all enabled Python ABIs"
+				fi
+			else
+				die "${failure_message}"
+			fi
+		fi
+
+		# Ensure that directory stack has not been decreased.
+		if [[ "$(dirs -p | wc -l)" -lt "${previous_directory_stack_length}" ]]; then
+			die "Directory stack decreased illegally"
+		fi
+
+		# Avoid side effects of earlier returning from the specified function.
+		while [[ "$(dirs -p | wc -l)" -gt "${previous_directory_stack_length}" ]]; do
+			popd > /dev/null || die "popd failed"
+		done
+
+		# Ensure that the bottom part of directory stack has not been changed. Restore
+		# previous directory (from before running of the specified function) before
+		# comparison of directory stacks to avoid mismatch of directory stacks after
+		# potential using of 'cd' to change current directory. Restoration of previous
+		# directory allows to safely use 'cd' to change current directory in the
+		# specified function without changing it back to original directory.
+		cd "${previous_directory}"
+		if [[ "$(dirs -p)" != "${previous_directory_stack}" ]]; then
+			die "Directory stack changed illegally"
+		fi
+
+		if [[ "${separate_build_dirs}" == "1" ]]; then
+			popd > /dev/null || die "popd failed"
+		fi
+		unset BUILDDIR
+	done
+
+	if [[ "${default_function}" == "1" ]]; then
+		unset -f python_default_function
+	fi
+}
+
+# @FUNCTION: python_copy_sources
+# @USAGE: <directory="${S}"> [directory]
+# @DESCRIPTION:
+# Copy unpacked sources of current package to separate build directory for each Python ABI.
+python_copy_sources() {
+	if ! _python_package_supporting_installation_for_multiple_python_abis; then
+		die "${FUNCNAME}() cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+	fi
+
+	local dir dirs=() PYTHON_ABI
+
+	if [[ "$#" -eq 0 ]]; then
+		if [[ "${WORKDIR}" == "${S}" ]]; then
+			die "${FUNCNAME}() cannot be used"
+		fi
+		dirs=("${S%/}")
+	else
+		dirs=("$@")
+	fi
+
+	validate_PYTHON_ABIS
+	for PYTHON_ABI in ${PYTHON_ABIS}; do
+		for dir in "${dirs[@]}"; do
+			cp -pr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
+		done
+	done
+}
+
+# @FUNCTION: python_generate_wrapper_scripts
+# @USAGE: [-E|--respect-EPYTHON] [-f|--force] [-q|--quiet] [--] <file> [files]
+# @DESCRIPTION:
+# Generate wrapper scripts. Existing files are overwritten only with --force option.
+# If --respect-EPYTHON option is specified, then generated wrapper scripts will
+# respect EPYTHON variable at run time.
+python_generate_wrapper_scripts() {
+	if ! _python_package_supporting_installation_for_multiple_python_abis; then
+		die "${FUNCNAME}() cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+	fi
+
+	_python_initialize_prefix_variables
+
+	local eselect_python_option file force="0" quiet="0" PYTHON_ABI python2_enabled="0" python3_enabled="0" respect_EPYTHON="0"
+
+	while (($#)); do
+		case "$1" in
+			-E|--respect-EPYTHON)
+				respect_EPYTHON="1"
+				;;
+			-f|--force)
+				force="1"
+				;;
+			-q|--quiet)
+				quiet="1"
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	if [[ "$#" -eq 0 ]]; then
+		die "${FUNCNAME}(): Missing arguments"
+	fi
+
+	validate_PYTHON_ABIS
+	for PYTHON_ABI in "${_CPYTHON2_SUPPORTED_ABIS[@]}"; do
+		if has "${PYTHON_ABI}" ${PYTHON_ABIS}; then
+			python2_enabled="1"
+		fi
+	done
+	for PYTHON_ABI in "${_CPYTHON3_SUPPORTED_ABIS[@]}"; do
+		if has "${PYTHON_ABI}" ${PYTHON_ABIS}; then
+			python3_enabled="1"
+		fi
+	done
+
+	if [[ "${python2_enabled}" == "1" && "${python3_enabled}" == "1" ]]; then
+		eselect_python_option=
+	elif [[ "${python2_enabled}" == "1" && "${python3_enabled}" == "0" ]]; then
+		eselect_python_option="--python2"
+	elif [[ "${python2_enabled}" == "0" && "${python3_enabled}" == "1" ]]; then
+		eselect_python_option="--python3"
+	else
+		die "${FUNCNAME}(): Unsupported environment"
+	fi
+
+	for file in "$@"; do
+		if [[ -f "${file}" && "${force}" == "0" ]]; then
+			die "${FUNCNAME}(): '$1' already exists"
+		fi
+
+		if [[ "${quiet}" == "0" ]]; then
+			einfo "Generating '${file#${ED%/}}' wrapper script"
+		fi
+
+		cat << EOF > "${file}"
+#!/usr/bin/env python
+# Gentoo '${file##*/}' wrapper script generated by python_generate_wrapper_scripts()
+
+import os
+import re
+import subprocess
+import sys
+
+EPYTHON_re = re.compile(r"^python(\d+\.\d+)$")
+python_shebang_re = re.compile(r"^#! *(${EPREFIX}/usr/bin/python|(${EPREFIX})?/usr/bin/env +(${EPREFIX}/usr/bin/)?python)")
+python_verification_output_re = re.compile("^GENTOO_PYTHON_TARGET_SCRIPT_PATH supported\n$")
+
+EOF
+		if [[ "$?" != "0" ]]; then
+			die "${FUNCNAME}(): Generation of '$1' failed"
+		fi
+		if [[ "${respect_EPYTHON}" == "1" ]]; then
+			cat << EOF >> "${file}"
+EPYTHON = os.environ.get("EPYTHON")
+if EPYTHON:
+	EPYTHON_matched = EPYTHON_re.match(EPYTHON)
+	if EPYTHON_matched:
+		PYTHON_ABI = EPYTHON_matched.group(1)
+	else:
+		sys.stderr.write("EPYTHON variable has unrecognized value '%s'\n" % EPYTHON)
+		sys.exit(1)
+else:
+	try:
+		eselect_process = subprocess.Popen(["${EPREFIX}/usr/bin/eselect", "python", "show"${eselect_python_option:+, $(echo "\"")}${eselect_python_option}${eselect_python_option:+$(echo "\"")}], stdout=subprocess.PIPE)
+		if eselect_process.wait() != 0:
+			raise ValueError
+	except (OSError, ValueError):
+		sys.stderr.write("Execution of 'eselect python show${eselect_python_option:+ }${eselect_python_option}' failed\n")
+		sys.exit(1)
+
+	EPYTHON = eselect_process.stdout.read()
+	if not isinstance(EPYTHON, str):
+		# Python 3
+		EPYTHON = EPYTHON.decode()
+	EPYTHON = EPYTHON.rstrip("\n")
+
+	EPYTHON_matched = EPYTHON_re.match(EPYTHON)
+	if EPYTHON_matched:
+		PYTHON_ABI = EPYTHON_matched.group(1)
+	else:
+		sys.stderr.write("'eselect python show${eselect_python_option:+ }${eselect_python_option}' printed unrecognized value '%s'\n" % EPYTHON)
+		sys.exit(1)
+EOF
+			if [[ "$?" != "0" ]]; then
+				die "${FUNCNAME}(): Generation of '$1' failed"
+			fi
+		else
+			cat << EOF >> "${file}"
+try:
+	eselect_process = subprocess.Popen(["${EPREFIX}/usr/bin/eselect", "python", "show"${eselect_python_option:+, $(echo "\"")}${eselect_python_option}${eselect_python_option:+$(echo "\"")}], stdout=subprocess.PIPE)
+	if eselect_process.wait() != 0:
+		raise ValueError
+except (OSError, ValueError):
+	sys.stderr.write("Execution of 'eselect python show${eselect_python_option:+ }${eselect_python_option}' failed\n")
+	sys.exit(1)
+
+EPYTHON = eselect_process.stdout.read()
+if not isinstance(EPYTHON, str):
+	# Python 3
+	EPYTHON = EPYTHON.decode()
+EPYTHON = EPYTHON.rstrip("\n")
+
+EPYTHON_matched = EPYTHON_re.match(EPYTHON)
+if EPYTHON_matched:
+	PYTHON_ABI = EPYTHON_matched.group(1)
+else:
+	sys.stderr.write("'eselect python show${eselect_python_option:+ }${eselect_python_option}' printed unrecognized value '%s'\n" % EPYTHON)
+	sys.exit(1)
+EOF
+			if [[ "$?" != "0" ]]; then
+				die "${FUNCNAME}(): Generation of '$1' failed"
+			fi
+		fi
+		cat << EOF >> "${file}"
+
+wrapper_script_path = os.path.realpath(sys.argv[0])
+target_executable_path = "%s-%s" % (wrapper_script_path, PYTHON_ABI)
+os.environ["GENTOO_PYTHON_PROCESS_NAME"] = os.path.basename(sys.argv[0])
+os.environ["GENTOO_PYTHON_WRAPPER_SCRIPT_PATH"] = sys.argv[0]
+os.environ["GENTOO_PYTHON_TARGET_SCRIPT_PATH"] = target_executable_path
+if not os.path.exists(target_executable_path):
+	sys.stderr.write("'%s' does not exist\n" % target_executable_path)
+	sys.exit(1)
+
+target_executable = open(target_executable_path, "rb")
+target_executable_first_line = target_executable.readline()
+if not isinstance(target_executable_first_line, str):
+	# Python 3
+	target_executable_first_line = target_executable_first_line.decode("utf_8", "replace")
+
+python_shebang_matched = python_shebang_re.match(target_executable_first_line)
+target_executable.close()
+
+if python_shebang_matched:
+	try:
+		python_interpreter_path = "${EPREFIX}/usr/bin/%s" % EPYTHON
+		os.environ["GENTOO_PYTHON_TARGET_SCRIPT_PATH_VERIFICATION"] = "1"
+		python_verification_process = subprocess.Popen([python_interpreter_path, "-c", "pass"], stdout=subprocess.PIPE)
+		del os.environ["GENTOO_PYTHON_TARGET_SCRIPT_PATH_VERIFICATION"]
+		if python_verification_process.wait() != 0:
+			raise ValueError
+
+		python_verification_output = python_verification_process.stdout.read()
+		if not isinstance(python_verification_output, str):
+			# Python 3
+			python_verification_output = python_verification_output.decode()
+
+		if not python_verification_output_re.match(python_verification_output):
+			raise ValueError
+
+		os.execv(python_interpreter_path, [python_interpreter_path] + sys.argv)
+	except:
+		pass
+	if "GENTOO_PYTHON_TARGET_SCRIPT_PATH_VERIFICATION" in os.environ:
+		del os.environ["GENTOO_PYTHON_TARGET_SCRIPT_PATH_VERIFICATION"]
+
+os.execv(target_executable_path, sys.argv)
+EOF
+		if [[ "$?" != "0" ]]; then
+			die "${FUNCNAME}(): Generation of '$1' failed"
+		fi
+		fperms +x "${file#${ED%/}}" || die "fperms '${file}' failed"
+	done
+}
+
+# ================================================================================================
+# ========= FUNCTIONS FOR PACKAGES NOT SUPPORTING INSTALLATION FOR MULTIPLE PYTHON ABIS ==========
+# ================================================================================================
+
+# @FUNCTION: python_set_active_version
+# @USAGE: <CPython_ABI|2|3>
+# @DESCRIPTION:
+# Set specified version of CPython as active version of Python.
+python_set_active_version() {
+	if _python_package_supporting_installation_for_multiple_python_abis; then
+		die "${FUNCNAME}() cannot be used in ebuilds of packages supporting installation for multiple Python ABIs"
+	fi
+
+	if [[ "$#" -ne 1 ]]; then
+		die "${FUNCNAME}() requires 1 argument"
+	fi
+
+	_python_initial_sanity_checks
+
+	if [[ "$1" =~ ^[[:digit:]]+\.[[:digit:]]+$ ]]; then
+		if ! _python_implementation && ! has_version "dev-lang/python:$1"; then
+			die "${FUNCNAME}(): 'dev-lang/python:$1' is not installed"
+		fi
+		export EPYTHON="$(PYTHON "$1")"
+	elif [[ "$1" == "2" ]]; then
+		if ! _python_implementation && ! has_version "=dev-lang/python-2*"; then
+			die "${FUNCNAME}(): '=dev-lang/python-2*' is not installed"
+		fi
+		export EPYTHON="$(PYTHON -2)"
+	elif [[ "$1" == "3" ]]; then
+		if ! _python_implementation && ! has_version "=dev-lang/python-3*"; then
+			die "${FUNCNAME}(): '=dev-lang/python-3*' is not installed"
+		fi
+		export EPYTHON="$(PYTHON -3)"
+	else
+		die "${FUNCNAME}(): Unrecognized argument '$1'"
+	fi
+
+	# PYTHON_ABI variable is intended to be used only in ebuilds/eclasses,
+	# so it does not need to be exported to subprocesses.
+	PYTHON_ABI="${EPYTHON#python}"
+	PYTHON_ABI="${PYTHON_ABI%%-*}"
+
+	_python_final_sanity_checks
+
+	# python-updater checks PYTHON_REQUESTED_ACTIVE_VERSION variable.
+	PYTHON_REQUESTED_ACTIVE_VERSION="$1"
+}
+
+# @FUNCTION: python_need_rebuild
+# @DESCRIPTION: Mark current package for rebuilding by python-updater after
+# switching of active version of Python.
+python_need_rebuild() {
+	if _python_package_supporting_installation_for_multiple_python_abis; then
+		die "${FUNCNAME}() cannot be used in ebuilds of packages supporting installation for multiple Python ABIs"
+	fi
+
+	export PYTHON_NEED_REBUILD="$(PYTHON --ABI)"
+}
+
+# ================================================================================================
+# ======================================= GETTER FUNCTIONS =======================================
+# ================================================================================================
+
+_PYTHON_ABI_EXTRACTION_COMMAND='import platform
+import sys
+sys.stdout.write(".".join(str(x) for x in sys.version_info[:2]))
+if platform.system()[:4] == "Java":
+	sys.stdout.write("-jython")
+if hasattr(sys, "unladen_swallow"):
+    sys.stdout.write("-unladen")'
+
+_python_get_implementation() {
+	if [[ "$#" -ne 1 ]]; then
+		die "${FUNCNAME}() requires 1 argument"
+	fi
+
+	if [[ "$1" =~ ^[[:digit:]]+\.[[:digit:]]+$ ]]; then
+		echo "CPython"
+	elif [[ "$1" =~ ^[[:digit:]]+\.[[:digit:]]+-jython$ ]]; then
+		echo "Jython"
+	elif [[ "$1" =~ ^unladen-[[:digit:]]+\.[[:digit:]]+$ ]]; then
+		echo "Unladen"
+	else
+		die "${FUNCNAME}(): Unrecognized Python ABI '$1'"
+	fi
+}
+
+# @FUNCTION: PYTHON
+# @USAGE: [-2] [-3] [--ABI] [-a|--absolute-path] [-f|--final-ABI] [--] <Python_ABI="${PYTHON_ABI}">
+# @DESCRIPTION:
+# Print filename of Python interpreter for specified Python ABI. If Python_ABI argument
+# is ommitted, then PYTHON_ABI environment variable must be set and is used.
+# If -2 option is specified, then active version of Python 2 is used.
+# If -3 option is specified, then active version of Python 3 is used.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+# -2, -3 and --final-ABI options and Python_ABI argument cannot be specified simultaneously.
+# If --ABI option is specified, then only specified Python ABI is printed instead of
+# filename of Python interpreter.
+# If --absolute-path option is specified, then absolute path to Python interpreter is printed.
+# --ABI and --absolute-path options cannot be specified simultaneously.
+PYTHON() {
+	local ABI_output="0" absolute_path_output="0" final_ABI="0" PYTHON_ABI="${PYTHON_ABI}" python_interpreter python2="0" python3="0"
+
+	while (($#)); do
+		case "$1" in
+			-2)
+				python2="1"
+				;;
+			-3)
+				python3="1"
+				;;
+			--ABI)
+				ABI_output="1"
+				;;
+			-a|--absolute-path)
+				absolute_path_output="1"
+				;;
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	if [[ "${ABI_output}" == "1" && "${absolute_path_output}" == "1" ]]; then
+		die "${FUNCNAME}(): '--ABI and '--absolute-path' options cannot be specified simultaneously"
+	fi
+
+	if [[ "$((${python2} + ${python3} + ${final_ABI}))" -gt 1 ]]; then
+		die "${FUNCNAME}(): '-2', '-3' or '--final-ABI' options cannot be specified simultaneously"
+	fi
+
+	if [[ "$#" -eq 0 ]]; then
+		if [[ "${final_ABI}" == "1" ]]; then
+			if ! _python_package_supporting_installation_for_multiple_python_abis; then
+				die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+			fi
+			validate_PYTHON_ABIS
+			PYTHON_ABI="${PYTHON_ABIS##* }"
+		elif [[ "${python2}" == "1" ]]; then
+			PYTHON_ABI="$(eselect python show --python2 --ABI)"
+			if [[ -z "${PYTHON_ABI}" ]]; then
+				die "${FUNCNAME}(): Active Python 2 interpreter not set"
+			elif [[ "${PYTHON_ABI}" != "2."* ]]; then
+				die "${FUNCNAME}(): Internal error in \`eselect python show --python2\`"
+			fi
+		elif [[ "${python3}" == "1" ]]; then
+			PYTHON_ABI="$(eselect python show --python3 --ABI)"
+			if [[ -z "${PYTHON_ABI}" ]]; then
+				die "${FUNCNAME}(): Active Python 3 interpreter not set"
+			elif [[ "${PYTHON_ABI}" != "3."* ]]; then
+				die "${FUNCNAME}(): Internal error in \`eselect python show --python3\`"
+			fi
+		elif ! _python_package_supporting_installation_for_multiple_python_abis; then
+			PYTHON_ABI="$("${EPREFIX}/usr/bin/python" -c "${_PYTHON_ABI_EXTRACTION_COMMAND}")"
+		elif [[ -z "${PYTHON_ABI}" ]]; then
+			die "${FUNCNAME}(): Invalid usage: ${FUNCNAME}() should be used in ABI-specific local scope"
+		fi
+	elif [[ "$#" -eq 1 ]]; then
+		if [[ "${final_ABI}" == "1" ]]; then
+			die "${FUNCNAME}(): '--final-ABI' option and Python ABI cannot be specified simultaneously"
+		fi
+		if [[ "${python2}" == "1" ]]; then
+			die "${FUNCNAME}(): '-2' option and Python ABI cannot be specified simultaneously"
+		fi
+		if [[ "${python3}" == "1" ]]; then
+			die "${FUNCNAME}(): '-3' option and Python ABI cannot be specified simultaneously"
+		fi
+		PYTHON_ABI="$1"
+	else
+		die "${FUNCNAME}(): Invalid usage"
+	fi
+
+	if [[ "${ABI_output}" == "1" ]]; then
+		echo -n "${PYTHON_ABI}"
+		return
+	else
+		if [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "CPython" ]]; then
+			python_interpreter="python${PYTHON_ABI}"
+		elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+			python_interpreter="jython-${PYTHON_ABI%-jython}"
+		elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Unladen" ]]; then
+			python_interpreter="python${PYTHON_ABI}"
+		fi
+
+		if [[ "${absolute_path_output}" == "1" ]]; then
+			echo -n "${EPREFIX}/usr/bin/${python_interpreter}"
+		else
+			echo -n "${python_interpreter}"
+		fi
+	fi
+
+	if [[ -n "${ABI}" && "${ABI}" != "${DEFAULT_ABI}" && "${DEFAULT_ABI}" != "default" ]]; then
+		echo -n "-${ABI}"
+	fi
+}
+
+# @FUNCTION: python_get_implementation
+# @USAGE: [-f|--final-ABI]
+# @DESCRIPTION:
+# Print name of Python implementation.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_implementation() {
+	local final_ABI="0" PYTHON_ABI="${PYTHON_ABI}"
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	if [[ "${final_ABI}" == "1" ]]; then
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+		PYTHON_ABI="$(PYTHON -f --ABI)"
+	elif [[ -z "${PYTHON_ABI}" ]]; then
+		PYTHON_ABI="$(PYTHON --ABI)"
+	fi
+
+	echo "$(_python_get_implementation "${PYTHON_ABI}")"
+}
+
+# @FUNCTION: python_get_implementational_package
+# @USAGE: [-f|--final-ABI]
+# @DESCRIPTION:
+# Print category, name and slot of package providing Python implementation.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_implementational_package() {
+	local final_ABI="0" PYTHON_ABI="${PYTHON_ABI}"
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	if [[ "${final_ABI}" == "1" ]]; then
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+		PYTHON_ABI="$(PYTHON -f --ABI)"
+	elif [[ -z "${PYTHON_ABI}" ]]; then
+		PYTHON_ABI="$(PYTHON --ABI)"
+	fi
+
+	if [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "CPython" ]]; then
+		echo "dev-lang/python:${PYTHON_ABI}"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+		echo "dev-java/jython:${PYTHON_ABI%-jython}"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Unladen" ]]; then
+		echo "dev-lang/unladen-swallow:${PYTHON_ABI%-unladen}"
+	fi
+}
+
+# @FUNCTION: python_get_includedir
+# @USAGE: [-f|--final-ABI]
+# @DESCRIPTION:
+# Print path to Python include directory.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_includedir() {
+	local final_ABI="0" PYTHON_ABI="${PYTHON_ABI}"
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	if [[ "${final_ABI}" == "1" ]]; then
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+		PYTHON_ABI="$(PYTHON -f --ABI)"
+	elif [[ -z "${PYTHON_ABI}" ]]; then
+		PYTHON_ABI="$(PYTHON --ABI)"
+	fi
+
+	if [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "CPython" ]]; then
+		echo "/usr/include/python${PYTHON_ABI}"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+		echo "/usr/share/jython-${PYTHON_ABI%-jython}/Include"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Unladen" ]]; then
+		echo "/usr/include/python${PYTHON_ABI}"
+	fi
+}
+
+# @FUNCTION: python_get_libdir
+# @USAGE: [-f|--final-ABI]
+# @DESCRIPTION:
+# Print path to Python library directory.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_libdir() {
+	local final_ABI="0" PYTHON_ABI="${PYTHON_ABI}"
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	if [[ "${final_ABI}" == "1" ]]; then
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+		PYTHON_ABI="$(PYTHON -f --ABI)"
+	elif [[ -z "${PYTHON_ABI}" ]]; then
+		PYTHON_ABI="$(PYTHON --ABI)"
+	fi
+
+	if [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "CPython" ]]; then
+		echo "/usr/$(get_libdir)/python${PYTHON_ABI}"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+		echo "/usr/share/jython-${PYTHON_ABI%-jython}/Lib"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+		echo "/usr/$(get_libdir)/python${PYTHON_ABI}"
+	fi
+}
+
+# @FUNCTION: python_get_sitedir
+# @USAGE: [-f|--final-ABI]
+# @DESCRIPTION:
+# Print path to Python site-packages directory.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_sitedir() {
+	local options=()
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				if ! _python_package_supporting_installation_for_multiple_python_abis; then
+					die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+				fi
+				options+=("$1")
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	echo "$(python_get_libdir "${options[@]}")/site-packages"
+}
+
+# @FUNCTION: python_get_library
+# @USAGE: [-f|--final-ABI] [-l|--linker-option]
+# @DESCRIPTION:
+# Print path to Python library.
+# If --linker-option is specified, then "-l${library}" linker option is printed.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_library() {
+	local final_ABI="0" linker_option="0" PYTHON_ABI="${PYTHON_ABI}"
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			-l|--linker-option)
+				linker_option="1"
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	if [[ "${final_ABI}" == "1" ]]; then
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+		PYTHON_ABI="$(PYTHON -f --ABI)"
+	elif [[ -z "${PYTHON_ABI}" ]]; then
+		PYTHON_ABI="$(PYTHON --ABI)"
+	fi
+
+	if [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "CPython" ]]; then
+		if [[ "${linker_option}" == "1" ]]; then
+			echo "-lpython${PYTHON_ABI}"
+		else
+			echo "/usr/$(get_libdir)/libpython${PYTHON_ABI}$(get_libname)"
+		fi
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+		die "${FUNCNAME}(): Jython does not have shared library"
+	elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Unladen" ]]; then
+		if [[ "${linker_option}" == "1" ]]; then
+			echo "-lpython${PYTHON_ABI}"
+		else
+			echo "/usr/$(get_libdir)/libpython${PYTHON_ABI}$(get_libname)"
+		fi
+	fi
+}
+
+# @FUNCTION: python_get_version
+# @USAGE: [-f|--final-ABI] [--full] [--major] [--minor] [--micro]
+# @DESCRIPTION:
+# Print Python version.
+# --full, --major, --minor and --micro options cannot be specified simultaneously.
+# If --full, --major, --minor and --micro options are not specified, then "${major_version}.${minor_version}" is printed.
+# If --final-ABI option is specified, then final ABI from the list of enabled ABIs is used.
+python_get_version() {
+	local final_ABI="0" full="0" major="0" minor="0" micro="0" python_command
+
+	while (($#)); do
+		case "$1" in
+			-f|--final-ABI)
+				final_ABI="1"
+				;;
+			--full)
+				full="1"
+				;;
+			--major)
+				major="1"
+				;;
+			--minor)
+				minor="1"
+				;;
+			--micro)
+				micro="1"
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				die "${FUNCNAME}(): Invalid usage"
+				;;
+		esac
+		shift
+	done
+
+	if [[ "$((${full} + ${major} + ${minor} + ${micro}))" -gt 1 ]]; then
+		die "${FUNCNAME}(): '--full', '--major', '--minor' or '--micro' options cannot be specified simultaneously"
+	fi
+
+	if [[ "${full}" == "1" ]]; then
+		python_command="from sys import version_info; print('.'.join(str(x) for x in version_info[:3]))"
+	elif [[ "${major}" == "1" ]]; then
+		python_command="from sys import version_info; print(version_info[0])"
+	elif [[ "${minor}" == "1" ]]; then
+		python_command="from sys import version_info; print(version_info[1])"
+	elif [[ "${micro}" == "1" ]]; then
+		python_command="from sys import version_info; print(version_info[2])"
+	else
+		if [[ -n "${PYTHON_ABI}" && "${final_ABI}" == "0" ]]; then
+			if [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "CPython" ]]; then
+				echo "${PYTHON_ABI}"
+			elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Jython" ]]; then
+				echo "${PYTHON_ABI%-jython}"
+			elif [[ "$(_python_get_implementation "${PYTHON_ABI}")" == "Unladen" ]]; then
+				echo "${PYTHON_ABI%-unladen}"
+			fi
+			return
+		fi
+		python_command="from sys import version_info; print('.'.join(str(x) for x in version_info[:2]))"
+	fi
+
+	if [[ "${final_ABI}" == "1" ]]; then
+		if ! _python_package_supporting_installation_for_multiple_python_abis; then
+			die "${FUNCNAME}(): '--final-ABI' option cannot be used in ebuilds of packages not supporting installation for multiple Python ABIs"
+		fi
+		"$(PYTHON -f)" -c "${python_command}"
+	else
+		"$(PYTHON ${PYTHON_ABI})" -c "${python_command}"
+	fi
+}
+
+# ================================================================================================
+# =================================== MISCELLANEOUS FUNCTIONS ====================================
+# ================================================================================================
+
+_python_implementation() {
+	if [[ "${CATEGORY}/${PN}" == "dev-lang/python" ]]; then
+		return 0
+	elif [[ "${CATEGORY}/${PN}" == "dev-java/jython" ]]; then
+		return 0
+	elif [[ "${CATEGORY}/${PN}" == "dev-lang/unladen-swallow" ]]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+_python_package_supporting_installation_for_multiple_python_abis() {
+	if [[ "${EBUILD_PHASE}" == "depend" ]]; then
+		die "${FUNCNAME}() cannot be used in global scope"
+	fi
+
+	if has "${EAPI:-0}" 0 1 2 3 4; then
+		if [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
+			return 0
+		else
+			return 1
+		fi
+	else
+		die "${FUNCNAME}(): Support for EAPI=\"${EAPI}\" not implemented"
+	fi
+}
+
+_python_initialize_prefix_variables() {
+	if has "${EAPI:-0}" 0 1 2; then
+		if [[ -n "${ROOT}" && -z "${EROOT}" ]]; then
+			EROOT="${ROOT%/}${EPREFIX}/"
+		fi
+		if [[ -n "${D}" && -z "${ED}" ]]; then
+			ED="${D%/}${EPREFIX}/"
+		fi
+	fi
+}
+
+unset PYTHON_SANITY_CHECKS
+
+_python_initial_sanity_checks() {
+	if [[ "$(declare -p PYTHON_SANITY_CHECKS 2> /dev/null)" != "declare -- PYTHON_SANITY_CHECKS="* ]]; then
+		# Ensure that /usr/bin/python and /usr/bin/python-config are valid.
+		if [[ "$(readlink "${EPREFIX}/usr/bin/python")" != "python-wrapper" ]]; then
+			eerror "'${EPREFIX}/usr/bin/python' is not valid symlink."
+			eerror "Use \`eselect python set \${python_interpreter}\` to fix this problem."
+			die "'${EPREFIX}/usr/bin/python' is not valid symlink"
+		fi
+		if [[ "$(<"${EPREFIX}/usr/bin/python-config")" != *"Gentoo python-config wrapper script"* ]]; then
+			eerror "'${EPREFIX}/usr/bin/python-config' is not valid script"
+			eerror "Use \`eselect python set \${python_interpreter}\` to fix this problem."
+			die "'${EPREFIX}/usr/bin/python-config' is not valid script"
+		fi
+	fi
+}
+
+_python_final_sanity_checks() {
+	if ! _python_implementation && [[ "$(declare -p PYTHON_SANITY_CHECKS 2> /dev/null)" != "declare -- PYTHON_SANITY_CHECKS="* ]]; then
+		local PYTHON_ABI="${PYTHON_ABI}"
+		for PYTHON_ABI in ${PYTHON_ABIS-${PYTHON_ABI}}; do
+			# Ensure that appropriate version of Python is installed.
+			if ! has_version "$(python_get_implementational_package)"; then
+				die "$(python_get_implementational_package) is not installed"
+			fi
+
+			# Ensure that EPYTHON variable is respected.
+			if [[ "$(EPYTHON="$(PYTHON)" python -c "${_PYTHON_ABI_EXTRACTION_COMMAND}")" != "${PYTHON_ABI}" ]]; then
+				eerror "python:                    '$(type -p python)'"
+				eerror "ABI:                       '${ABI}'"
+				eerror "DEFAULT_ABI:               '${DEFAULT_ABI}'"
+				eerror "EPYTHON:                   '$(PYTHON)'"
+				eerror "PYTHON_ABI:                '${PYTHON_ABI}'"
+				eerror "Version of enabled Python: '$(EPYTHON="$(PYTHON)" python -c "${_PYTHON_ABI_EXTRACTION_COMMAND}")'"
+				die "'python' does not respect EPYTHON variable"
+			fi
+		done
+	fi
+	PYTHON_SANITY_CHECKS="1"
+}
+
+_python_set_color_variables() {
+	if [[ "${NOCOLOR:-false}" =~ ^(false|no)$ ]]; then
+		_BOLD=$'\e[1m'
+		_RED=$'\e[1;31m'
+		_GREEN=$'\e[1;32m'
+		_BLUE=$'\e[1;34m'
+		_CYAN=$'\e[1;36m'
+		_NORMAL=$'\e[0m'
+	else
+		_BOLD=
+		_RED=
+		_GREEN=
+		_BLUE=
+		_CYAN=
+		_NORMAL=
+	fi
+}
+
+# @FUNCTION: python_convert_shebangs
+# @USAGE: [-q|--quiet] [-r|--recursive] [-x|--only-executables] [--] <Python_version> <file|directory> [files|directories]
+# @DESCRIPTION:
+# Convert shebangs in specified files. Directories can be specified only with --recursive option.
+python_convert_shebangs() {
+	local argument file files=() only_executables="0" python_version quiet="0" recursive="0"
+
+	while (($#)); do
+		case "$1" in
+			-r|--recursive)
+				recursive="1"
+				;;
+			-q|--quiet)
+				quiet="1"
+				;;
+			-x|--only-executables)
+				only_executables="1"
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	if [[ "$#" -eq 0 ]]; then
+		die "${FUNCNAME}(): Missing Python version and files or directories"
+	elif [[ "$#" -eq 1 ]]; then
+		die "${FUNCNAME}(): Missing files or directories"
+	fi
+
+	python_version="$1"
+	shift
+
+	for argument in "$@"; do
+		if [[ ! -e "${argument}" ]]; then
+			die "${FUNCNAME}(): '${argument}' does not exist"
+		elif [[ -f "${argument}" ]]; then
+			files+=("${argument}")
+		elif [[ -d "${argument}" ]]; then
+			if [[ "${recursive}" == "1" ]]; then
+				while read -d $'\0' -r file; do
+					files+=("${file}")
+				done < <(find "${argument}" $([[ "${only_executables}" == "1" ]] && echo -perm /111) -type f -print0)
+			else
+				die "${FUNCNAME}(): '${argument}' is not a regular file"
+			fi
+		else
+			die "${FUNCNAME}(): '${argument}' is not a regular file or a directory"
+		fi
+	done
+
+	for file in "${files[@]}"; do
+		file="${file#./}"
+		[[ "${only_executables}" == "1" && ! -x "${file}" ]] && continue
+
+		if [[ "$(head -n1 "${file}")" =~ ^'#!'.*python ]]; then
+			[[ "$(sed -ne "2p" "${file}")" =~ ^"# Gentoo '".*"' wrapper script generated by python_generate_wrapper_scripts()"$ ]] && continue
+
+			if [[ "${quiet}" == "0" ]]; then
+				einfo "Converting shebang in '${file}'"
+			fi
+
+			sed -e "1s/python\([[:digit:]]\+\(\.[[:digit:]]\+\)\?\)\?/python${python_version}/" -i "${file}" || die "Conversion of shebang in '${file}' failed"
+
+			# Delete potential whitespace after "#!".
+			sed -e '1s/\(^#!\)[[:space:]]*/\1/' -i "${file}" || die "sed '${file}' failed"
+		fi
+	done
+}
+
+# @FUNCTION: python_clean_sitedirs
+# @DESCRIPTION:
+# Delete needless files in site-packages directories in ${ED}.
+python_clean_sitedirs() {
+	_python_initialize_prefix_variables
+
+	find "${ED}"usr/$(get_libdir)/python*/site-packages "(" -name "*.c" -o -name "*.h" -o -name "*.la" ")" -type f -print0 | xargs -0 rm -f
+}
+
+# ================================================================================================
+# ================================ FUNCTIONS FOR RUNNING OF TESTS ================================
+# ================================================================================================
+
+# @ECLASS-VARIABLE: PYTHON_TEST_VERBOSITY
+# @DESCRIPTION:
+# User-configurable verbosity of tests of Python modules.
+# Supported values: 0, 1, 2, 3, 4.
+PYTHON_TEST_VERBOSITY="${PYTHON_TEST_VERBOSITY:-1}"
+
+_python_test_hook() {
+	if [[ "$#" -ne 1 ]]; then
+		die "${FUNCNAME}() requires 1 argument"
+	fi
+
+	if _python_package_supporting_installation_for_multiple_python_abis && [[ "$(type -t "${FUNCNAME[3]}_$1_hook")" == "function" ]]; then
+		"${FUNCNAME[3]}_$1_hook"
+	fi
+}
+
+# @FUNCTION: python_execute_nosetests
+# @USAGE: [-P|--PYTHONPATH PYTHONPATH] [-s|--separate-build-dirs] [--] [arguments]
+# @DESCRIPTION:
+# Execute nosetests for all enabled Python ABIs.
+# In ebuilds of packages supporting installation for multiple Python ABIs, this function calls
+# python_execute_nosetests_pre_hook() and python_execute_nosetests_post_hook(), if they are defined.
+python_execute_nosetests() {
+	_python_set_color_variables
+
+	local PYTHONPATH_template= separate_build_dirs=
+
+	while (($#)); do
+		case "$1" in
+			-P|--PYTHONPATH)
+				PYTHONPATH_template="$2"
+				shift
+				;;
+			-s|--separate-build-dirs)
+				separate_build_dirs="1"
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	python_test_function() {
+		local evaluated_PYTHONPATH=
+
+		if [[ -n "${PYTHONPATH_template}" ]]; then
+			evaluated_PYTHONPATH="$(eval echo -n "${PYTHONPATH_template}")"
+			if [[ ! -e "${evaluated_PYTHONPATH}" ]]; then
+				unset evaluated_PYTHONPATH
+			fi
+		fi
+
+		_python_test_hook pre
+
+		if [[ -n "${evaluated_PYTHONPATH}" ]]; then
+			echo ${_BOLD}PYTHONPATH="${evaluated_PYTHONPATH}" nosetests --verbosity="${PYTHON_TEST_VERBOSITY}" "$@"${_NORMAL}
+			PYTHONPATH="${evaluated_PYTHONPATH}" nosetests --verbosity="${PYTHON_TEST_VERBOSITY}" "$@" || return "$?"
+		else
+			echo ${_BOLD}nosetests --verbosity="${PYTHON_TEST_VERBOSITY}" "$@"${_NORMAL}
+			nosetests --verbosity="${PYTHON_TEST_VERBOSITY}" "$@" || return "$?"
+		fi
+
+		_python_test_hook post
+	}
+	if _python_package_supporting_installation_for_multiple_python_abis; then
+		python_execute_function ${separate_build_dirs:+-s} python_test_function "$@"
+	else
+		if [[ -n "${separate_build_dirs}" ]]; then
+			die "${FUNCNAME}(): Invalid usage"
+		fi
+		python_test_function "$@" || die "Testing failed"
+	fi
+
+	unset -f python_test_function
+}
+
+# @FUNCTION: python_execute_py.test
+# @USAGE: [-P|--PYTHONPATH PYTHONPATH] [-s|--separate-build-dirs] [--] [arguments]
+# @DESCRIPTION:
+# Execute py.test for all enabled Python ABIs.
+# In ebuilds of packages supporting installation for multiple Python ABIs, this function calls
+# python_execute_py.test_pre_hook() and python_execute_py.test_post_hook(), if they are defined.
+python_execute_py.test() {
+	_python_set_color_variables
+
+	local PYTHONPATH_template= separate_build_dirs=
+
+	while (($#)); do
+		case "$1" in
+			-P|--PYTHONPATH)
+				PYTHONPATH_template="$2"
+				shift
+				;;
+			-s|--separate-build-dirs)
+				separate_build_dirs="1"
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	python_test_function() {
+		local evaluated_PYTHONPATH=
+
+		if [[ -n "${PYTHONPATH_template}" ]]; then
+			evaluated_PYTHONPATH="$(eval echo -n "${PYTHONPATH_template}")"
+			if [[ ! -e "${evaluated_PYTHONPATH}" ]]; then
+				unset evaluated_PYTHONPATH
+			fi
+		fi
+
+		_python_test_hook pre
+
+		if [[ -n "${evaluated_PYTHONPATH}" ]]; then
+			echo ${_BOLD}PYTHONPATH="${evaluated_PYTHONPATH}" py.test $([[ "${PYTHON_TEST_VERBOSITY}" -ge 2 ]] && echo -v) "$@"${_NORMAL}
+			PYTHONPATH="${evaluated_PYTHONPATH}" py.test $([[ "${PYTHON_TEST_VERBOSITY}" -ge 2 ]] && echo -v) "$@" || return "$?"
+		else
+			echo ${_BOLD}py.test $([[ "${PYTHON_TEST_VERBOSITY}" -gt 1 ]] && echo -v) "$@"${_NORMAL}
+			py.test $([[ "${PYTHON_TEST_VERBOSITY}" -gt 1 ]] && echo -v) "$@" || return "$?"
+		fi
+
+		_python_test_hook post
+	}
+	if _python_package_supporting_installation_for_multiple_python_abis; then
+		python_execute_function ${separate_build_dirs:+-s} python_test_function "$@"
+	else
+		if [[ -n "${separate_build_dirs}" ]]; then
+			die "${FUNCNAME}(): Invalid usage"
+		fi
+		python_test_function "$@" || die "Testing failed"
+	fi
+
+	unset -f python_test_function
+}
+
+# @FUNCTION: python_execute_trial
+# @USAGE: [-P|--PYTHONPATH PYTHONPATH] [-s|--separate-build-dirs] [--] [arguments]
+# @DESCRIPTION:
+# Execute trial for all enabled Python ABIs.
+# In ebuilds of packages supporting installation for multiple Python ABIs, this function
+# calls python_execute_trial_pre_hook() and python_execute_trial_post_hook(), if they are defined.
+python_execute_trial() {
+	_python_set_color_variables
+
+	local PYTHONPATH_template= separate_build_dirs=
+
+	while (($#)); do
+		case "$1" in
+			-P|--PYTHONPATH)
+				PYTHONPATH_template="$2"
+				shift
+				;;
+			-s|--separate-build-dirs)
+				separate_build_dirs="1"
+				;;
+			--)
+				shift
+				break
+				;;
+			-*)
+				die "${FUNCNAME}(): Unrecognized option '$1'"
+				;;
+			*)
+				break
+				;;
+		esac
+		shift
+	done
+
+	python_test_function() {
+		local evaluated_PYTHONPATH=
+
+		if [[ -n "${PYTHONPATH_template}" ]]; then
+			evaluated_PYTHONPATH="$(eval echo -n "${PYTHONPATH_template}")"
+			if [[ ! -e "${evaluated_PYTHONPATH}" ]]; then
+				unset evaluated_PYTHONPATH
+			fi
+		fi
+
+		_python_test_hook pre
+
+		if [[ -n "${evaluated_PYTHONPATH}" ]]; then
+			echo ${_BOLD}PYTHONPATH="${evaluated_PYTHONPATH}" trial $([[ "${PYTHON_TEST_VERBOSITY}" -ge 4 ]] && echo --spew) "$@"${_NORMAL}
+			PYTHONPATH="${evaluated_PYTHONPATH}" trial $([[ "${PYTHON_TEST_VERBOSITY}" -ge 4 ]] && echo --spew) "$@" || return "$?"
+		else
+			echo ${_BOLD}trial $([[ "${PYTHON_TEST_VERBOSITY}" -ge 4 ]] && echo --spew) "$@"${_NORMAL}
+			trial $([[ "${PYTHON_TEST_VERBOSITY}" -ge 4 ]] && echo --spew) "$@" || return "$?"
+		fi
+
+		_python_test_hook post
+	}
+	if _python_package_supporting_installation_for_multiple_python_abis; then
+		python_execute_function ${separate_build_dirs:+-s} python_test_function "$@"
+	else
+		if [[ -n "${separate_build_dirs}" ]]; then
+			die "${FUNCNAME}(): Invalid usage"
+		fi
+		python_test_function "$@" || die "Testing failed"
+	fi
+
+	unset -f python_test_function
+}
+
+# ================================================================================================
+# ======================= FUNCTIONS FOR HANDLING OF BYTE-COMPILED MODULES ========================
+# ================================================================================================
+
+# @FUNCTION: python_enable_pyc
+# @DESCRIPTION:
+# Tell Python to automatically recompile modules to .pyc/.pyo if the
+# timestamps/version stamps have changed.
+python_enable_pyc() {
+	unset PYTHONDONTWRITEBYTECODE
+}
+
+# @FUNCTION: python_disable_pyc
+# @DESCRIPTION:
+# Tell Python not to automatically recompile modules to .pyc/.pyo
+# even if the timestamps/version stamps do not match. This is done
+# to protect sandbox.
+python_disable_pyc() {
+	export PYTHONDONTWRITEBYTECODE="1"
+}
+
+# @FUNCTION: python_mod_optimize
+# @USAGE: [options] [directory|file]
+# @DESCRIPTION:
+# If no arguments supplied, it will recompile not recursively all modules
+# under sys.path (eg. /usr/lib/python2.6, /usr/lib/python2.6/site-packages).
+#
+# If supplied with arguments, it will recompile all modules recursively
+# in the supplied directory.
+#
+# Options passed to this function are passed to compileall.py.
+#
+# This function can be used only in pkg_postinst() phase.
+python_mod_optimize() {
+	_python_initialize_prefix_variables
+
+	# Check if phase is pkg_postinst().
+	[[ "${EBUILD_PHASE}" != "postinst" ]] && die "${FUNCNAME}() can be used only in pkg_postinst() phase"
+
+	if ! has "${EAPI:-0}" 0 1 2 || _python_package_supporting_installation_for_multiple_python_abis; then
+		local dir file options=() other_dirs=() other_files=() previous_PYTHON_ABI="${PYTHON_ABI}" PYTHON_ABI="${PYTHON_ABI}" return_code root site_packages_absolute_dirs=() site_packages_dirs=() site_packages_absolute_files=() site_packages_files=()
+
+		# Strip trailing slash from ROOT.
+		root="${EROOT%/}"
+
+		# Respect ROOT and options passed to compileall.py.
+		while (($#)); do
+			case "$1" in
+				-l|-f|-q)
+					options+=("$1")
+					;;
+				-d|-x)
+					options+=("$1" "$2")
+					shift
+					;;
+				-*)
+					ewarn "${FUNCNAME}(): Ignoring option '$1'"
+					;;
+				*)
+					if ! _python_implementation && [[ "$1" =~ ^"${EPREFIX}"/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
+						die "${FUNCNAME}() does not support absolute paths of directories/files in site-packages directories"
+					elif [[ "$1" =~ ^/ ]]; then
+						if [[ -d "${root}/$1" ]]; then
+							other_dirs+=("${root}/$1")
+						elif [[ -f "${root}/$1" ]]; then
+							other_files+=("${root}/$1")
+						elif [[ -e "${root}/$1" ]]; then
+							ewarn "'${root}/$1' is not a file or a directory!"
+						else
+							ewarn "'${root}/$1' does not exist!"
+						fi
+					else
+						for PYTHON_ABI in ${PYTHON_ABIS-${PYTHON_ABI:-$(PYTHON --ABI)}}; do
+							if [[ -d "${root}$(python_get_sitedir)/$1" ]]; then
+								site_packages_dirs+=("$1")
+								break
+							elif [[ -f "${root}$(python_get_sitedir)/$1" ]]; then
+								site_packages_files+=("$1")
+								break
+							elif [[ -e "${root}$(python_get_sitedir)/$1" ]]; then
+								ewarn "'$1' is not a file or a directory!"
+							else
+								ewarn "'$1' does not exist!"
+							fi
+						done
+					fi
+					;;
+			esac
+			shift
+		done
+
+		# Set additional options.
+		options+=("-q")
+
+		for PYTHON_ABI in ${PYTHON_ABIS-${PYTHON_ABI:-$(PYTHON --ABI)}}; do
+			if ((${#site_packages_dirs[@]})) || ((${#site_packages_files[@]})); then
+				return_code="0"
+				ebegin "Compilation and optimization of Python modules for $(python_get_implementation) $(python_get_version)"
+				if ((${#site_packages_dirs[@]})); then
+					for dir in "${site_packages_dirs[@]}"; do
+						site_packages_absolute_dirs+=("${root}$(python_get_sitedir)/${dir}")
+					done
+					"$(PYTHON)" "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" || return_code="1"
+					if [[ "$(_python_get_implementation "${PYTHON_ABI}")" != "Jython" ]]; then
+						"$(PYTHON)" -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" &> /dev/null || return_code="1"
+					fi
+				fi
+				if ((${#site_packages_files[@]})); then
+					for file in "${site_packages_files[@]}"; do
+						site_packages_absolute_files+=("${root}$(python_get_sitedir)/${file}")
+					done
+					"$(PYTHON)" "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" || return_code="1"
+					if [[ "$(_python_get_implementation "${PYTHON_ABI}")" != "Jython" ]]; then
+						"$(PYTHON)" -O "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" &> /dev/null || return_code="1"
+					fi
+				fi
+				eend "${return_code}"
+			fi
+			unset site_packages_absolute_dirs site_packages_absolute_files
+		done
+
+		# Restore previous value of PYTHON_ABI.
+		if [[ -n "${previous_PYTHON_ABI}" ]]; then
+			PYTHON_ABI="${previous_PYTHON_ABI}"
+		else
+			unset PYTHON_ABI
+		fi
+
+		if ((${#other_dirs[@]})) || ((${#other_files[@]})); then
+			return_code="0"
+			ebegin "Compilation and optimization of Python modules placed outside of site-packages directories for $(python_get_implementation) $(python_get_version)"
+			if ((${#other_dirs[@]})); then
+				"$(PYTHON ${PYTHON_ABI})" "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" || return_code="1"
+				if [[ "$(_python_get_implementation "${PYTHON_ABI-$(PYTHON --ABI)}")" != "Jython" ]]; then
+					"$(PYTHON ${PYTHON_ABI})" -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" &> /dev/null || return_code="1"
+				fi
+			fi
+			if ((${#other_files[@]})); then
+				"$(PYTHON ${PYTHON_ABI})" "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" || return_code="1"
+				if [[ "$(_python_get_implementation "${PYTHON_ABI-$(PYTHON --ABI)}")" != "Jython" ]]; then
+					"$(PYTHON ${PYTHON_ABI})" -O "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" &> /dev/null || return_code="1"
+				fi
+			fi
+			eend "${return_code}"
+		fi
+	else
+		local myroot mydirs=() myfiles=() myopts=() return_code="0"
+
+		# strip trailing slash
+		myroot="${EROOT%/}"
+
+		# respect ROOT and options passed to compileall.py
+		while (($#)); do
+			case "$1" in
+				-l|-f|-q)
+					myopts+=("$1")
+					;;
+				-d|-x)
+					myopts+=("$1" "$2")
+					shift
+					;;
+				-*)
+					ewarn "${FUNCNAME}(): Ignoring option '$1'"
+					;;
+				*)
+					if [[ -d "${myroot}"/$1 ]]; then
+						mydirs+=("${myroot}/$1")
+					elif [[ -f "${myroot}"/$1 ]]; then
+						# Files are passed to python_mod_compile which is ROOT-aware
+						myfiles+=("$1")
+					elif [[ -e "${myroot}/$1" ]]; then
+						ewarn "${myroot}/$1 is not a file or directory!"
+					else
+						ewarn "${myroot}/$1 does not exist!"
+					fi
+					;;
+			esac
+			shift
+		done
+
+		# set additional opts
+		myopts+=(-q)
+
+		ebegin "Compilation and optimization of Python modules for $(python_get_implementation) $(python_get_version)"
+		if ((${#mydirs[@]})); then
+			"$(PYTHON ${PYTHON_ABI})" "${myroot}$(python_get_libdir)/compileall.py" "${myopts[@]}" "${mydirs[@]}" || return_code="1"
+			"$(PYTHON ${PYTHON_ABI})" -O "${myroot}$(python_get_libdir)/compileall.py" "${myopts[@]}" "${mydirs[@]}" &> /dev/null || return_code="1"
+		fi
+
+		if ((${#myfiles[@]})); then
+			python_mod_compile "${myfiles[@]}"
+		fi
+
+		eend "${return_code}"
+	fi
+}
+
+# @FUNCTION: python_mod_cleanup
+# @USAGE: [directory|file]
+# @DESCRIPTION:
+# Run with optional arguments, where arguments are Python modules. If none given,
+# it will look in /usr/lib/python[0-9].[0-9].
+#
+# It will recursively scan all compiled Python modules in the directories and
+# determine if they are orphaned (i.e. their corresponding .py files are missing.)
+# If they are, then it will remove their corresponding .pyc and .pyo files.
+#
+# This function can be used only in pkg_postrm() phase.
+python_mod_cleanup() {
+	_python_initialize_prefix_variables
+	_python_set_color_variables
+
+	local path py_file PYTHON_ABI="${PYTHON_ABI}" SEARCH_PATH=() root
+
+	# Check if phase is pkg_postrm().
+	[[ "${EBUILD_PHASE}" != "postrm" ]] && die "${FUNCNAME}() can be used only in pkg_postrm() phase"
+
+	# Strip trailing slash from ROOT.
+	root="${EROOT%/}"
+
+	if (($#)); then
+		if ! has "${EAPI:-0}" 0 1 2 || _python_package_supporting_installation_for_multiple_python_abis; then
+			while (($#)); do
+				if ! _python_implementation && [[ "$1" =~ ^"${EPREFIX}"/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
+					die "${FUNCNAME}() does not support absolute paths of directories/files in site-packages directories"
+				elif [[ "$1" =~ ^/ ]]; then
+					SEARCH_PATH+=("${root}/${1#/}")
+				else
+					for PYTHON_ABI in ${PYTHON_ABIS-${PYTHON_ABI:-$(PYTHON --ABI)}}; do
+						SEARCH_PATH+=("${root}$(python_get_sitedir)/$1")
+					done
+				fi
+				shift
+			done
+		else
+			SEARCH_PATH=("${@#/}")
+			SEARCH_PATH=("${SEARCH_PATH[@]/#/${root}/}")
+		fi
+	else
+		local dir sitedir
+		for dir in "${root}"/usr/lib*; do
+			if [[ -d "${dir}" && ! -L "${dir}" ]]; then
+				for sitedir in "${dir}"/python*/site-packages; do
+					if [[ -d "${sitedir}" ]]; then
+						SEARCH_PATH+=("${sitedir}")
+					fi
+				done
+			fi
+		done
+		for sitedir in "${root}"/usr/share/jython-*/Lib/site-packages; do
+			if [[ -d "${sitedir}" ]]; then
+				SEARCH_PATH+=("${sitedir}")
+			fi
+		done
+	fi
+
+	for path in "${SEARCH_PATH[@]}"; do
+		if [[ -d "${path}" ]]; then
+			find "${path}" "(" -name "*.py[co]" -o -name "*\$py.class" ")" -print0 | while read -rd ''; do
+				if [[ "${REPLY}" == *[co] ]]; then
+					py_file="${REPLY%[co]}"
+					[[ -f "${py_file}" || (! -f "${py_file}c" && ! -f "${py_file}o") ]] && continue
+					echo "${_BLUE}<<< ${py_file}[co]${_NORMAL}"
+					rm -f "${py_file}"[co]
+				elif [[ "${REPLY}" == *\$py.class ]]; then
+					py_file="${REPLY%\$py.class}.py"
+					[[ -f "${py_file}" || ! -f "${py_file%.py}\$py.class" ]] && continue
+					echo "${_BLUE}<<< ${py_file%.py}\$py.class${_NORMAL}"
+					rm -f "${py_file%.py}\$py.class"
+				fi
+			done
+
+			# Attempt to delete directories, which may be empty.
+			find "${path}" -type d | sort -r | while read -r dir; do
+				rmdir "${dir}" 2>/dev/null && echo "${_CYAN}<<< ${dir}${_NORMAL}"
+			done
+		elif [[ "${path}" == *.py && ! -f "${path}" ]]; then
+			if [[ (-f "${path}c" || -f "${path}o") ]]; then
+				echo "${_BLUE}<<< ${path}[co]${_NORMAL}"
+				rm -f "${path}"[co]
+			fi
+			if [[ -f "${path%.py}\$py.class" ]]; then
+				echo "${_BLUE}<<< ${path%.py}\$py.class${_NORMAL}"
+				rm -f "${path%.py}\$py.class"
+			fi
+		fi
+	done
+}
+
+# ================================================================================================
+# ===================================== DEPRECATED FUNCTIONS =====================================
+# ================================================================================================
+
+# @FUNCTION: python_version
+# @DESCRIPTION:
+# Run without arguments and it will export the version of python
+# currently in use as $PYVER; sets PYVER/PYVER_MAJOR/PYVER_MINOR
+python_version() {
+	if ! has "${EAPI:-0}" 0 1 2 || _python_package_supporting_installation_for_multiple_python_abis; then
+		eerror "Use PYTHON() and/or python_get_*() instead of ${FUNCNAME}()."
+		die "${FUNCNAME}() cannot be used in this EAPI"
+	fi
+
+	_python_set_color_variables
+
+	if [[ "${FUNCNAME[1]}" != "distutils_python_version" ]]; then
+		echo
+		echo " ${_RED}*${_NORMAL} ${_RED}Deprecation Warning: ${FUNCNAME}() is deprecated and will be banned on 2010-07-01.${_NORMAL}"
+		echo " ${_RED}*${_NORMAL} ${_RED}Use PYTHON() instead of python variable. Use python_get_*() instead of PYVER* variables.${_NORMAL}"
+		echo " ${_RED}*${_NORMAL} ${_RED}The ebuild needs to be fixed. Please report a bug, if it has not been already reported.${_NORMAL}"
+		echo
+
+		einfo &> /dev/null
+		einfo "Deprecation Warning: ${FUNCNAME}() is deprecated and will be banned on 2010-07-01." &> /dev/null
+		einfo "Use PYTHON() instead of python variable. Use python_get_*() instead of PYVER* variables." &> /dev/null
+		einfo "The ebuild needs to be fixed. Please report a bug, if it has not been already reported." &> /dev/null
+		einfo &> /dev/null
+	fi
+
+	[[ -n "${PYVER}" ]] && return 0
+	local tmpstr
+	python="${python:-${EPREFIX}/usr/bin/python}"
+	tmpstr="$(EPYTHON= ${python} -V 2>&1 )"
+	export PYVER_ALL="${tmpstr#Python }"
+	export PYVER_MAJOR="${PYVER_ALL:0:1}"
+	export PYVER_MINOR="${PYVER_ALL:2:1}"
+	if [[ "${PYVER_ALL:3:1}" == "." ]]; then
+		export PYVER_MICRO="${PYVER_ALL:4}"
+	fi
+	export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
+}
+
+# @FUNCTION: python_mod_exists
+# @USAGE: <module>
+# @DESCRIPTION:
+# Run with the module name as an argument. It will check if a
+# Python module is installed and loadable. It will return
+# TRUE(0) if the module exists, and FALSE(1) if the module does
+# not exist.
+#
+# Example:
+#         if python_mod_exists gtk; then
+#             echo "gtk support enabled"
+#         fi
+python_mod_exists() {
+	if ! has "${EAPI:-0}" 0 1 2 || _python_package_supporting_installation_for_multiple_python_abis; then
+		eerror "Use USE dependencies and/or has_version() instead of ${FUNCNAME}()."
+		die "${FUNCNAME}() cannot be used in this EAPI"
+	fi
+
+	echo
+	echo " ${_RED}*${_NORMAL} ${_RED}Deprecation Warning: ${FUNCNAME}() is deprecated and will be banned on 2010-07-01.${_NORMAL}"
+	echo " ${_RED}*${_NORMAL} ${_RED}Use USE dependencies and/or has_version() instead of ${FUNCNAME}().${_NORMAL}"
+	echo " ${_RED}*${_NORMAL} ${_RED}The ebuild needs to be fixed. Please report a bug, if it has not been already reported.${_NORMAL}"
+	echo
+
+	einfo &> /dev/null
+	einfo "Deprecation Warning: ${FUNCNAME}() is deprecated and will be banned on 2010-07-01." &> /dev/null
+	einfo "Use USE dependencies and/or has_version() instead of ${FUNCNAME}()." &> /dev/null
+	einfo "The ebuild needs to be fixed. Please report a bug, if it has not been already reported." &> /dev/null
+	einfo &> /dev/null
+
+	if [[ "$#" -ne 1 ]]; then
+		die "${FUNCNAME}() requires 1 argument"
+	fi
+	"$(PYTHON ${PYTHON_ABI})" -c "import $1" &> /dev/null
+}
+
+# @FUNCTION: python_tkinter_exists
+# @DESCRIPTION:
+# Run without arguments, checks if Python was compiled with Tkinter
+# support.  If not, prints an error message and dies.
+python_tkinter_exists() {
+	if ! has "${EAPI:-0}" 0 1 2 || _python_package_supporting_installation_for_multiple_python_abis; then
+		eerror "Use PYTHON_USE_WITH=\"xml\" and python_pkg_setup() instead of ${FUNCNAME}()."
+		die "${FUNCNAME}() cannot be used in this EAPI"
+	fi
+
+	if [[ "${FUNCNAME[1]}" != "distutils_python_tkinter" ]]; then
+		echo
+		echo " ${_RED}*${_NORMAL} ${_RED}Deprecation Warning: ${FUNCNAME}() is deprecated and will be banned on 2010-07-01.${_NORMAL}"
+		echo " ${_RED}*${_NORMAL} ${_RED}Use PYTHON_USE_WITH=\"xml\" and python_pkg_setup() instead of ${FUNCNAME}().${_NORMAL}"
+		echo " ${_RED}*${_NORMAL} ${_RED}The ebuild needs to be fixed. Please report a bug, if it has not been already reported.${_NORMAL}"
+		echo
+
+		einfo &> /dev/null
+		einfo "Deprecation Warning: ${FUNCNAME}() is deprecated and will be banned on 2010-07-01." &> /dev/null
+		einfo "Use PYTHON_USE_WITH=\"xml\" and python_pkg_setup() instead of ${FUNCNAME}()." &> /dev/null
+		einfo "The ebuild needs to be fixed. Please report a bug, if it has not been already reported." &> /dev/null
+		einfo &> /dev/null
+	fi
+
+	if ! "$(PYTHON ${PYTHON_ABI})" -c "from sys import version_info
+if version_info[0] == 3:
+	import tkinter
+else:
+	import Tkinter" &> /dev/null; then
+		eerror "Python needs to be rebuilt with tkinter support enabled."
+		eerror "Add the following line to '${EPREFIX}/etc/portage/package.use' and rebuild Python"
+		eerror "dev-lang/python tk"
+		die "Python installed without support for tkinter"
+	fi
+}
+
+# @FUNCTION: python_mod_compile
+# @USAGE: <file> [more files ...]
+# @DESCRIPTION:
+# Given filenames, it will pre-compile the module's .pyc and .pyo.
+# This function can be used only in pkg_postinst() phase.
+#
+# Example:
+#         python_mod_compile /usr/lib/python2.3/site-packages/pygoogle.py
+#
+python_mod_compile() {
+	if ! has "${EAPI:-0}" 0 1 2 || _python_package_supporting_installation_for_multiple_python_abis; then
+		eerror "Use python_mod_optimize() instead of ${FUNCNAME}()."
+		die "${FUNCNAME}() cannot be used in this EAPI"
+	fi
+
+	_python_initialize_prefix_variables
+
+	local f myroot myfiles=()
+
+	# Check if phase is pkg_postinst()
+	[[ "${EBUILD_PHASE}" != "postinst" ]] && die "${FUNCNAME}() can be used only in pkg_postinst() phase"
+
+	# strip trailing slash
+	myroot="${EROOT%/}"
+
+	# respect ROOT
+	for f in "$@"; do
+		[[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}")
+	done
+
+	if ((${#myfiles[@]})); then
+		"$(PYTHON ${PYTHON_ABI})" "${myroot}$(python_get_libdir)/py_compile.py" "${myfiles[@]}"
+		"$(PYTHON ${PYTHON_ABI})" -O "${myroot}$(python_get_libdir)/py_compile.py" "${myfiles[@]}" &> /dev/null
+	else
+		ewarn "No files to compile!"
+	fi
+}