python: remove Python 2 and all supporting classes

Python 2 ceased being maintained on the 1st January 2020.  We've already
removed all users of it from oe-core so the final step is to move the
recipe and supporting classes to meta-python2.

The following are removed in this commit:
- python and python-native 2.7.17
- python-setuptools
- The classes pythonnative, pythondir, distutils, setuptools

(From OE-Core rev: 390f3edabfb1f68ed9766245291c5f44ea00cc38)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/distutils-base.bbclass

@@ -1,4 +0,0 @@
-DEPENDS  += "${@["${PYTHON_PN}-native ${PYTHON_PN}", ""][(d.getVar('PACKAGES') == '')]}"
-RDEPENDS_${PN} += "${@['', '${PYTHON_PN}-core']['${CLASSOVERRIDE}' == 'class-target']}"
-
-inherit distutils-common-base pythonnative

meta/classes/distutils.bbclass

@@ -1,87 +0,0 @@
-inherit distutils-base
-
-DISTUTILS_BUILD_ARGS ?= ""
-DISTUTILS_STAGE_HEADERS_ARGS ?= "--install-dir=${STAGING_INCDIR}/${PYTHON_DIR}"
-DISTUTILS_STAGE_ALL_ARGS ?= "--prefix=${STAGING_DIR_HOST}${prefix} \
-    --install-data=${STAGING_DATADIR}"
-DISTUTILS_INSTALL_ARGS ?= "--root=${D} \
-    --prefix=${prefix} \
-    --install-lib=${PYTHON_SITEPACKAGES_DIR} \
-    --install-data=${datadir}"
-
-DISTUTILS_PYTHON = "python"
-DISTUTILS_PYTHON_class-native = "nativepython"
-
-distutils_do_configure() {
-        if [ "${CLEANBROKEN}" != "1" ] ; then
-                NO_FETCH_BUILD=1 \
-                ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py clean ${DISTUTILS_BUILD_ARGS}
-        fi
-}
-
-distutils_do_compile() {
-         NO_FETCH_BUILD=1 \
-         STAGING_INCDIR=${STAGING_INCDIR} \
-         STAGING_LIBDIR=${STAGING_LIBDIR} \
-         ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py build ${DISTUTILS_BUILD_ARGS} || \
-         bbfatal_log "'${PYTHON_PN} setup.py build ${DISTUTILS_BUILD_ARGS}' execution failed."
-}
-
-distutils_stage_headers() {
-        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
-        ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py install_headers ${DISTUTILS_STAGE_HEADERS_ARGS} || \
-        bbfatal_log "'${PYTHON_PN} setup.py install_headers ${DISTUTILS_STAGE_HEADERS_ARGS}' execution for stage_headers failed."
-}
-
-distutils_stage_all() {
-        STAGING_INCDIR=${STAGING_INCDIR} \
-        STAGING_LIBDIR=${STAGING_LIBDIR} \
-        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
-        PYTHONPATH=${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR} \
-        ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py install ${DISTUTILS_STAGE_ALL_ARGS} || \
-        bbfatal_log "'${PYTHON_PN} setup.py install ${DISTUTILS_STAGE_ALL_ARGS}' execution for stage_all failed."
-}
-
-distutils_do_install() {
-        install -d ${D}${PYTHON_SITEPACKAGES_DIR}
-        STAGING_INCDIR=${STAGING_INCDIR} \
-        STAGING_LIBDIR=${STAGING_LIBDIR} \
-        PYTHONPATH=${D}${PYTHON_SITEPACKAGES_DIR} \
-        ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py install ${DISTUTILS_INSTALL_ARGS} || \
-        bbfatal_log "'${PYTHON_PN} setup.py install ${DISTUTILS_INSTALL_ARGS}' execution failed."
-
-        # support filenames with *spaces*
-        # only modify file if it contains path  and recompile it
-        find ${D} -name "*.py" -exec grep -q ${D} {} \; \
-                               -exec sed -i -e s:${D}::g {} \; \
-                               -exec ${STAGING_BINDIR_NATIVE}/python-native/python -mcompileall {} \;
-
-        for i in ${D}${bindir}/* ${D}${sbindir}/*; do
-            if [ -f "$i" ]; then
-                sed -i -e s:${PYTHON}:${USRBINPATH}/env\ ${DISTUTILS_PYTHON}:g $i
-                sed -i -e s:${STAGING_BINDIR_NATIVE}:${bindir}:g $i
-            fi
-        done
-
-        rm -f ${D}${PYTHON_SITEPACKAGES_DIR}/easy-install.pth
-        rm -f ${D}${PYTHON_SITEPACKAGES_DIR}/site.py*
-
-        #
-        # FIXME: Bandaid against wrong datadir computation
-        #
-        if [ -e ${D}${datadir}/share ]; then
-            mv -f ${D}${datadir}/share/* ${D}${datadir}/
-            rmdir ${D}${datadir}/share
-        fi
-
-	# Fix backport modules
-	if [ -e ${STAGING_LIBDIR}/${PYTHON_DIR}/site-packages/backports/__init__.py ] && 
-           [ -e ${D}${PYTHON_SITEPACKAGES_DIR}/backports/__init__.py ]; then
-	   rm ${D}${PYTHON_SITEPACKAGES_DIR}/backports/__init__.py;
-	   rm ${D}${PYTHON_SITEPACKAGES_DIR}/backports/__init__.pyc;
-	fi
-}
-
-EXPORT_FUNCTIONS do_configure do_compile do_install
-
-export LDSHARED="${CCLD} -shared"

meta/classes/python-dir.bbclass

@@ -1,5 +0,0 @@
-PYTHON_BASEVERSION = "2.7"
-PYTHON_ABI = ""
-PYTHON_DIR = "python${PYTHON_BASEVERSION}"
-PYTHON_PN = "python"
-PYTHON_SITEPACKAGES_DIR = "${libdir}/${PYTHON_DIR}/site-packages"

meta/classes/pythonnative.bbclass

@@ -1,27 +0,0 @@
-
-inherit python-dir
-
-PYTHON="${STAGING_BINDIR_NATIVE}/python-native/python"
-# PYTHON_EXECUTABLE is used by cmake
-PYTHON_EXECUTABLE="${PYTHON}"
-EXTRANATIVEPATH += "python-native"
-DEPENDS_append = " python-native "
-
-# python-config and other scripts are using distutils modules
-# which we patch to access these variables
-export STAGING_INCDIR
-export STAGING_LIBDIR
-
-# Packages can use
-# find_package(PythonInterp REQUIRED)
-# find_package(PythonLibs REQUIRED)
-# which ends up using libs/includes from build host
-# Therefore pre-empt that effort
-export PYTHON_LIBRARY="${STAGING_LIBDIR}/lib${PYTHON_DIR}${PYTHON_ABI}.so"
-export PYTHON_INCLUDE_DIR="${STAGING_INCDIR}/${PYTHON_DIR}${PYTHON_ABI}"
-
-# suppress host user's site-packages dirs.
-export PYTHONNOUSERSITE = "1"
-
-# autoconf macros will use their internal default preference otherwise
-export PYTHON

meta/classes/setuptools.bbclass

@@ -1,3 +0,0 @@
-inherit distutils
-
-DEPENDS += "python-setuptools-native"