dev-python/black: bump to python3.8

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

dev-python/black/black-19.10_beta0-r2.ebuild

@@ -0,0 +1,56 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+PYTHON_COMPAT=( python3_{6,7,8} )
+DISTUTILS_USE_SETUPTOOLS=rdepend
+
+inherit distutils-r1
+
+MY_PV="19.10b0"
+
+DESCRIPTION="The uncompromising Python code formatter"
+HOMEPAGE="https://github.com/psf/black https://pypi.org/project/black/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${PN}-${MY_PV}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+DEPEND="
+	test? (
+		>=dev-python/aiohttp-3.3.2[${PYTHON_USEDEP}]
+		dev-python/aiohttp-cors[${PYTHON_USEDEP}]
+	)
+"
+
+RDEPEND="
+	>=dev-python/appdirs-1.4[${PYTHON_USEDEP}]
+	>=dev-python/attrs-18.1[${PYTHON_USEDEP}]
+	>=dev-python/click-6.5[${PYTHON_USEDEP}]
+	>=dev-python/mypy_extensions-0.4.3[${PYTHON_USEDEP}]
+	>=dev-python/pathspec-0.6[${PYTHON_USEDEP}]
+	>=dev-python/regex-2019.11.1[${PYTHON_USEDEP}]
+	>=dev-python/toml-0.9.4[${PYTHON_USEDEP}]
+	>=dev-python/typed-ast-1.4.0[${PYTHON_USEDEP}]
+	>=dev-python/typing-extensions-3.7.4[${PYTHON_USEDEP}]
+	$(python_gen_cond_dep 'dev-python/dataclasses[${PYTHON_USEDEP}]' python3_6)
+"
+
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+python_prepare_all() {
+	# cannot get_version() for some reason so we set it here manually
+	sed -i -e "s/get_version(root=CURRENT_DIR.parent)/${MY_PV::-2}/g" \
+		-e '/for sp in "abcfr":/d' \
+		-e '/version.split(sp)/d' \
+		docs/conf.py || die
+
+	distutils-r1_python_prepare_all
+}
+
+distutils_enable_tests pytest
+# docs fail to build:: module 'black' has no attribute 'is_python36'
+# 'release': return_codes_re.sub('', self.config.release),
+#distutils_enable_sphinx docs dev-python/recommonmark