uvloop: fork, add cython 3 support. See MagicStack/uvloop#586

dev-python/uvloop/Manifest

@@ -0,0 +1 @@
+DIST uvloop-0.19.0.tar.gz 2318492 BLAKE2B 1c46a8bf3e204c261e3a5e60c3583b75b8b9b20086443725c42842f96ea3f6804242470aa9569f8cc74a6e3bd38b5aaa70f9a9d92b5df3e73911acc169185570 SHA512 b6ca7ba7baf61dc930bb92e35013e5abaf7a227a5e99c88ec4b58fa87a40692151d9891b81d9e514a8481df62bb9721baa789ec234dcbbb34f69e0bee489c57c

dev-python/uvloop/files/586.patch

@@ -0,0 +1,44 @@
+From 8e5da4e53daf03089ad83e007d378a4888fca729 Mon Sep 17 00:00:00 2001
+From: Anton Zhukharev <ancieg@altlinux.org>
+Date: Tue, 19 Dec 2023 12:41:58 +0300
+Subject: [PATCH] fix compatibility with cython>3
+
+---
+ uvloop/loop.pyx | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
+index b0ffa8b..fb1d5e6 100644
+--- a/uvloop/loop.pyx
++++ b/uvloop/loop.pyx
+@@ -1397,7 +1397,7 @@ cdef class Loop:
+         self._debug = bool(enabled)
+         if self.is_running():
+             self.call_soon_threadsafe(
+-                self._set_coroutine_debug, self, self._debug)
++                self._set_coroutine_debug, self._debug)
+
+     def is_running(self):
+         """Return whether the event loop is currently running."""
+@@ -2749,8 +2749,7 @@ cdef class Loop:
+                                start_new_session=False,
+                                executable=None,
+                                pass_fds=(),
+-                               # For tests only! Do not use in your code. Ever.
+-                               __uvloop_sleep_after_fork=False):
++                               **kwargs):
+
+         # TODO: Implement close_fds (might not be very important in
+         # Python 3.5, since all FDs aren't inheritable by default.)
+@@ -2770,7 +2769,8 @@ cdef class Loop:
+         if executable is not None:
+             args[0] = executable
+
+-        if __uvloop_sleep_after_fork:
++        # For tests only! Do not use in your code. Ever.
++        if kwargs.get('__uvloop_sleep_after_fork'):
+             debug_flags |= __PROCESS_DEBUG_SLEEP_AFTER_FORK
+
+         waiter = self._new_future()
+--
+2.42.1

dev-python/uvloop/metadata.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+	</maintainer>
+	<longdescription>
+		uvloop is a fast, drop-in replacement of the built-in asyncio
+		event loop. uvloop is implemented in Cython and uses libuv under
+		the hood.
+	</longdescription>
+	<upstream>
+		<remote-id type="pypi">uvloop</remote-id>
+		<remote-id type="github">magicstack/uvloop</remote-id>
+	</upstream>
+</pkgmetadata>

dev-python/uvloop/uvloop-0.19.0-r1.ebuild

@@ -0,0 +1,95 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Ultra-fast implementation of asyncio event loop on top of libuv"
+HOMEPAGE="
+	https://github.com/magicstack/uvloop/
+	https://pypi.org/project/uvloop/
+"
+
+KEYWORDS="amd64 arm arm64 ppc ppc64 -riscv sparc x86"
+LICENSE="MIT"
+SLOT="0"
+IUSE="examples"
+
+DEPEND="
+	>=dev-libs/libuv-1.11.0:=
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	>dev-python/cython-3[${PYTHON_USEDEP}]
+	test? (
+		dev-python/aiohttp[${PYTHON_USEDEP}]
+		>=dev-python/pyopenssl-22.0.0[${PYTHON_USEDEP}]
+		dev-python/psutil[${PYTHON_USEDEP}]
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}/586.patch"
+	)
+
+distutils_enable_tests pytest
+
+python_prepare_all() {
+	rm -r vendor || die
+	cat <<-EOF >> setup.cfg || die
+		[build_ext]
+		use_system_libuv=True
+		cython_always=True
+	EOF
+
+	# flake8 only
+	#rm tests/test_sourcecode.py || die
+	# force cythonization
+	rm uvloop/loop.c || die
+	# hangs
+	#sed -i -e 's:test_remote_shutdown_receives_trailing_data:_&:' \
+	#	tests/test_tcp.py || die
+
+	distutils-r1_python_prepare_all
+}
+
+python_test() {
+	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+	local EPYTEST_IGNORE=(
+		# linting
+		tests/test_sourcecode.py
+	)
+	local EPYTEST_DESELECT=(
+		# TODO: expects some... cython_helper?
+		tests/test_libuv_api.py::Test_UV_libuv::test_libuv_get_loop_t_ptr
+		# unhappy about sandbox injecting its envvars
+		tests/test_process.py::Test_UV_Process::test_process_env_2
+		tests/test_process.py::Test_AIO_Process::test_process_env_2
+		# hangs
+		tests/test_tcp.py::Test_AIO_TCPSSL::test_remote_shutdown_receives_trailing_data
+		# crashes on assertion
+		# https://github.com/MagicStack/uvloop/issues/574
+		tests/test_cython.py::TestCythonIntegration::test_cython_coro_is_coroutine
+	)
+
+	rm -rf uvloop || die
+	epytest -s
+}
+
+src_prepare() {
+	#https://github.com/MagicStack/uvloop/issues/586
+	sed -i -e "s|Cython(>=0.29.36,<0.30.0)|Cython(>0.30.0)|" setup.py || die
+	eapply_user
+}
+
+python_install_all() {
+	use examples && dodoc -r examples
+	distutils-r1_python_install_all
+}