dev-python/rstr: add 3.1.0, drop 2.2.6

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-python/rstr/rstr-3.1.0.ebuild

@@ -0,0 +1,31 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_SETUPTOOLS=pyproject.toml
+PYTHON_COMPAT=( python3_{8..10} pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="Easily generate random strings of various types"
+HOMEPAGE="
+	https://github.com/leapfrogonline/rstr
+	https://pypi.org/project/rstr/
+"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${PN}-${PV}.tar.gz"
+
+LICENSE="BSD"
+SLOT=0
+KEYWORDS="~amd64"
+
+distutils_enable_tests unittest
+
+python_test() {
+	"${PYTHON}" -m unittest discover -v rstr/tests || die "tests failed with ${EPYTHON}"
+}
+
+python_install_all() {
+	distutils-r1_python_install_all
+	find "${ED}" -type d -name "tests" -exec rm -rv {} + || die "tests removing failed"
+}