dev-python/asyncpg: add 0.27.0, drop 0.25.0

Closes: https://bugs.gentoo.org/878787
Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

dev-python/asyncpg/asyncpg-0.27.0.ebuild

@@ -0,0 +1,37 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )  # doesn't build with pypy3
+DISTUTILS_USE_PEP517=setuptools
+inherit distutils-r1
+
+DESCRIPTION="A fast PostgreSQL Database Client Library for Python/asyncio"
+HOMEPAGE="https://github.com/MagicStack/asyncpg"
+SRC_URI="mirror://pypi/${P:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+BDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+	test? (
+		dev-db/postgresql
+		dev-python/flake8[${PYTHON_USEDEP}]
+		dev-python/uvloop[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests unittest
+
+distutils_enable_sphinx docs dev-python/sphinxcontrib-asyncio dev-python/sphinx_rtd_theme
+
+python_test() {
+	cd "${T}" || die
+	for opt in "" "1"; do
+		einfo "  testing with USE_UVLOOP='${opt}'"
+		USE_UVLOOP="${opt}" eunittest "${S}"/tests
+	done
+}