dev-python/rencode: enable py3.10, fix deps+license, add tests

Signed-off-by: Louis Sautier <sbraz@gentoo.org>

dev-python/rencode/files/rencode-1.0.6-drop-wheel-dependency.patch

@@ -0,0 +1,17 @@
+commit 3019171614f22c3d489d46e0fb22c07bf393830f
+Author: Louis Sautier <sautier.louis@gmail.com>
+Date:   Sun Aug 8 22:51:53 2021 +0200
+
+    Remove unnecessary wheel dependency
+
+diff --git a/setup.py b/setup.py
+index 023df09..6445c0a 100644
+--- a/setup.py
++++ b/setup.py
+@@ -92,5 +92,5 @@ setup(
+   url="https://github.com/aresch/rencode",
+   cmdclass={'build_ext': optional_build_ext},
+   ext_modules=ext_modules,
+-  setup_requires=['setuptools', 'wheel'],
++  setup_requires=['setuptools'],
+ )

dev-python/rencode/rencode-1.0.6-r1.ebuild

@@ -0,0 +1,33 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+
+inherit distutils-r1
+
+DESCRIPTION="similar to bencode from the BitTorrent project"
+HOMEPAGE="https://github.com/aresch/rencode"
+SRC_URI="https://github.com/aresch/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~sparc ~x86 ~amd64-linux ~x86-linux"
+
+BDEPEND="dev-python/cython[${PYTHON_USEDEP}]"
+
+distutils_enable_tests pytest
+
+PATCHES=(
+	# https://github.com/aresch/rencode/commit/16e61e1ff4294bddb7c881536d3d454355c78969
+	"${FILESDIR}/${P}-drop-wheel-dependency.patch"
+)
+
+python_test() {
+	# The C extension ("_rencode") can't be imported from "${S}/rencode"
+	# so we need to cd somewhere else to make sure "rencode" is imported
+	# from ${BUILD_DIR}/lib (thanks to PYTHONPATH).
+	cd "${T}" || die
+	epytest "${S}"
+}