[gentoo-dev] [PATCH 1/3] python-utils-r1.eclass: Introduce epytest helper

[Michał Górny]

Introduce an epytest helper to call pytest with the standard set
of options, and the standard error message.  While
distutils_enable_tests made running pytest a lot easier, there are still
many cases when python_test() needs to be redefined in order to pass
additional options or perform additional actions.  Having the extra
helper will reduce code duplication and make it easier to change
the standard options.

Signed-off-by: Michał Górny <mgorny@g.o>
---
 eclass/python-utils-r1.eclass | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/eclass/python-utils-r1.eclass b/eclass/python-utils-r1.eclass
index dcc441b82098..1b2e2ccde8e5 100644
--- a/eclass/python-utils-r1.eclass
+++ b/eclass/python-utils-r1.eclass
@@ -1278,6 +1278,29 @@ build_sphinx() {
 	HTML_DOCS+=( "${dir}/_build/html/." )
 }
 
+# @FUNCTION: epytest
+# @USAGE: [<args>...]
+# @DESCRIPTION:
+# Run pytest, passing the standard set of pytest options, followed
+# by user-specified options.
+#
+# This command dies on failure and respects nonfatal in EAPIs supporting
+# nonfatal die.
+epytest() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ -n ${EPYTHON} ]] || die "EPYTHON unset, invalid call context"
+
+	local die_args=()
+	[[ ${EAPI} != [45] ]] && die_args+=( -n )
+
+	set -- "${EPYTHON}" -m pytest -vv "${@}"
+
+	echo "${@}" >&2
+	"${@}" || die "${die_args[@]}" "pytest failed with ${EPYTHON}"
+	return ${?}
+}
+
 # -- python.eclass functions --
 
 _python_check_dead_variables() {
-- 
2.30.1