dev-python/sphinx: Enable py3.10

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/sphinx/files/sphinx-4.0.2-py310.patch

@@ -0,0 +1,28 @@
+From 531a5ae9ef855761407d44fb49064ae6227868f5 Mon Sep 17 00:00:00 2001
+From: Takeshi KOMIYA <i.tkomiya@gmail.com>
+Date: Wed, 5 May 2021 22:11:41 +0900
+Subject: [PATCH] test: Adjust type annotataions in python 3.10.0b1
+
+---
+ tests/test_util_inspect.py | 5 +----
+ 1 file changed, 1 insertion(+), 4 deletions(-)
+
+diff --git a/tests/test_util_inspect.py b/tests/test_util_inspect.py
+index 7b86c6ade..8df06a865 100644
+--- a/tests/test_util_inspect.py
++++ b/tests/test_util_inspect.py
+@@ -183,10 +183,7 @@ def test_signature_annotations():
+ 
+     # Instance annotations
+     sig = inspect.signature(f11)
+-    if sys.version_info < (3, 10):
+-        assert stringify_signature(sig) == '(x: CustomAnnotation, y: 123) -> None'
+-    else:
+-        assert stringify_signature(sig) == '(x: CustomAnnotation(), y: 123) -> None'
++    assert stringify_signature(sig) == '(x: CustomAnnotation, y: 123) -> None'
+ 
+     # tuple with more than two items
+     sig = inspect.signature(f12)
+-- 
+2.31.1
+

dev-python/sphinx/sphinx-4.0.2.ebuild

@@ -4,7 +4,7 @@
 EAPI=7
 
 DISTUTILS_USE_SETUPTOOLS=rdepend
-PYTHON_COMPAT=( python3_{7..9} pypy3 )
+PYTHON_COMPAT=( python3_{7..10} pypy3 )
 PYTHON_REQ_USE="threads(+)"
 
 inherit distutils-r1
@@ -60,6 +60,7 @@ BDEPEND="
 
 PATCHES=(
 	"${FILESDIR}/${PN}-3.2.1-doc-link.patch"
+	"${FILESDIR}/${P}-py310.patch"
 )
 
 distutils_enable_tests pytest