dev-python/importlib_metadata: Use flit to build (for bootstrap)

Signed-off-by: Michał Górny <mgorny@gentoo.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/dev-python/importlib_metadata/importlib_metadata-4.10.1-r1.ebuild b/dev-python/importlib_metadata/importlib_metadata-4.10.1-r1.ebuild
new file mode 100644
index 000000000000..68caaa51b62b
--- /dev/null
+++ b/dev-python/importlib_metadata/importlib_metadata-4.10.1-r1.ebuild
@@ -0,0 +1,51 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+# NB: this package extends beyond built-in importlib stuff in py3.8+
+# new entry_point API not yet included in cpython release
+PYTHON_COMPAT=( pypy3 python3_{8..10} )
+
+inherit distutils-r1
+
+DESCRIPTION="Read metadata from Python packages"
+HOMEPAGE="https://github.com/python/importlib_metadata"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-macos"
+
+RDEPEND="
+	dev-python/zipp[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	test? (
+		dev-python/packaging[${PYTHON_USEDEP}]
+		dev-python/pyfakefs[${PYTHON_USEDEP}]
+		$(python_gen_cond_dep '
+			dev-python/importlib_resources[${PYTHON_USEDEP}]
+		' pypy3 python3_8)
+	)
+"
+
+distutils_enable_sphinx docs dev-python/jaraco-packaging dev-python/rst-linker
+distutils_enable_tests unittest
+
+src_configure() {
+	grep -q 'build-backend = "setuptools' pyproject.toml ||
+		die "Upstream changed build-backend, recheck"
+	# write a custom pyproject.toml to ease setuptools bootstrap
+	cat > pyproject.toml <<-EOF || die
+		[build-system]
+		requires = ["flit_core >=3.2,<4"]
+		build-backend = "flit_core.buildapi"
+
+		[project]
+		name = "importlib_metadata"
+		version = "${PV}"
+		description = "Read metadata from Python packages"
+	EOF
+}