Replace the existing EPYTHON check with _python_check_EPYTHON and use _python_check_EPYTHON in a few additional places.

Signed-off-by: Florian Schmaus <flow@gentoo.org>
---
eclass/distutils-r1.eclass | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/eclass/distutils-r1.eclass b/eclass/distutils-r1.eclass
index 786f59636638..1326809a8bc1 100644
--- a/eclass/distutils-r1.eclass
+++ b/eclass/distutils-r1.eclass
@@ -460,7 +460,7 @@ distutils_enable_tests() {
esetup.py() {
debug-print-function ${FUNCNAME} "${@}"

- [[ -n ${EPYTHON} ]] || die "EPYTHON unset, invalid call context"
+ _python_check_EPYTHON

[[ ${BUILD_DIR} ]] && _distutils-r1_create_setup_cfg

@@ -743,6 +743,8 @@ _distutils-r1_copy_egg_info() {
distutils-r1_python_compile() {
debug-print-function ${FUNCNAME} "${@}"

+ _python_check_EPYTHON
+
_distutils-r1_copy_egg_info

# distutils is parallel-capable since py3.5
@@ -821,6 +823,8 @@ distutils-r1_python_test() {
die "${FUNCNAME} can be only used after calling distutils_enable_tests"
fi

+ _python_check_EPYTHON
+
if [[ ${_DISTUTILS_TEST_INSTALL} ]]; then
distutils_install_for_testing
fi