gentoo resync : 23.09.2020

1 files changed, 76 insertions, 0 deletions

diff --git a/metadata/install-qa-check.d/60distutils-use-setuptools b/metadata/install-qa-check.d/60distutils-use-setuptools
new file mode 100644
index 000000000000..698d832800f7
--- /dev/null
+++ b/metadata/install-qa-check.d/60distutils-use-setuptools
@@ -0,0 +1,76 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# QA check: verify correctness of DISTUTILS_USE_SETUPTOOLS
+# Maintainer: Python project <python@gentoo.org>
+
+distutils_use_setuptools_check() {
+	# applicable only to ebuilds inheriting distutils-r1
+	[[ ${_DISTUTILS_R1} ]] || return
+	# 'manual' means no checking
+	[[ ${DISTUTILS_USE_SETUPTOOLS} == manual ]] && return
+	# pyproject.toml is verified by using it
+	[[ ${DISTUTILS_USE_SETUPTOOLS} == pyproject.toml ]] && return
+
+	local expected=()
+	for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do
+		local EPYTHON PYTHON
+		_python_export "${impl}" EPYTHON PYTHON
+		[[ -x ${PYTHON} ]] || continue
+		local sitedir=${D}$(python_get_sitedir)
+		if [[ -d ${sitedir} ]]; then
+			local egg new_expected
+			while read -d $'\0' -r egg; do
+				if [[ -f ${egg} ]]; then
+					# if .egg-info is a file, it's plain distutils
+					new_expected=no
+				elif grep -q -s -F '[console_scripts]' \
+						"${egg}"/entry_points.txt
+				then
+					# entry_points == we need rdepend
+					new_expected=rdepend
+				elif grep -q -E -s '^setuptools' \
+						"${egg}"/requires.txt
+				then
+					# explicit rdepend in package metadata
+					new_expected=rdepend
+				else
+					new_expected=bdepend
+				fi
+
+				if ! has "${new_expected}" "${expected[@]}"; then
+					expected+=( "${new_expected[@]}" )
+				fi
+			done < <(find "${sitedir}" -name '*.egg-info' -print0)
+		fi
+	done
+
+	# at this point, expected can contain: no bdepend rdepend
+	if [[ ${#expected[@]} -gt 1 ]] && has no "${expected[@]}"; then
+		# 'no' and '[rb]depend' are mutually exclusive
+		eerror "The package seems to have used distutils and setuptools simultaneously."
+		eerror "This could mean the package has bad conditions:"
+		eerror "https://dev.gentoo.org/~mgorny/python-guide/distutils.html#conditional-distutils-setuptools-use-in-packages"
+		eerror "Please report a bug about this and CC python@"
+	elif [[ ${#expected[@]} -gt 0 ]]; then
+		# bdepend+rdepend=rdepend
+		has rdepend "${expected[@]}" && expected=( rdepend )
+		# at this point, expected should have exactly one value
+		[[ ${#expected[@]} -eq 1 ]] || die "integrity error"
+
+		if [[ ${DISTUTILS_USE_SETUPTOOLS} != ${expected} ]]; then
+				local def=
+				[[ ${DISTUTILS_USE_SETUPTOOLS} == bdepend ]] && def=' (or unset)'
+
+				eqawarn "DISTUTILS_USE_SETUPTOOLS value is probably incorrect"
+				eqawarn "  have:     DISTUTILS_USE_SETUPTOOLS=${DISTUTILS_USE_SETUPTOOLS}${def}"
+				eqawarn "  expected: DISTUTILS_USE_SETUPTOOLS=${expected}"
+		fi
+	fi
+}
+
+distutils_use_setuptools_check
+
+: # guarantee successful exit
+
+# vim:ft=ebuild