dev-python/flit_core: Convert to PEP517 build

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

dev-python/flit_core/flit_core-3.6.0-r2.ebuild

@@ -0,0 +1,33 @@
+# Copyright 2019-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=standalone
+PYTHON_COMPAT=( python3_{8..10} pypy3 )
+inherit distutils-r1
+
+DESCRIPTION="Simplified packaging of Python modules (core module)"
+HOMEPAGE="
+	https://pypi.org/project/flit-core/
+	https://github.com/pypa/flit/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
+
+RDEPEND="
+	dev-python/tomli[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	test? ( dev-python/testpath[${PYTHON_USEDEP}] )
+"
+
+distutils_enable_tests pytest
+
+src_prepare() {
+	rm -r flit_core/vendor || die
+	sed -i -e 's:from \.vendor ::' flit_core/*.py || die
+	distutils-r1_src_prepare
+}