dev-python/sabyenc: fix segfault, enable py3.10

Closes: https://bugs.gentoo.org/736224
Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

dev-python/sabyenc/files/sabyenc-4.0.2-fix-segfault.patch

@@ -0,0 +1,28 @@
+From: Arthur Zamarin <arthurzam@gmail.com>
+Date: Sat, 18 Sep 2021 21:07:45 +0300
+Subject: Fix Segfault during testing
+
+decode_usenet_chunks might receive it argument as bytesarray, or
+as bytes object, but the C code expects only bytesarray.
+Add code, to apply variant for each case, and fail using assert when
+both don't apply.
+
+Signed-off-by: Arthur Zamarin <arthurzam@gmail.com>
+
+--- a/src/sabyenc3.c
++++ b/src/sabyenc3.c
+@@ -593,7 +593,13 @@ PyObject* decode_usenet_chunks(PyObject* self, PyObject* args) {
+         num_bytes_reserved = 0;
+         lp_max = (int)PyList_Size(Py_input_list);
+         for(lp = 0; lp < lp_max; lp++) {
+-            num_bytes_reserved += (int)PyByteArray_GET_SIZE(PyList_GetItem(Py_input_list, lp));
++            PyObject *temp = PyList_GetItem(Py_input_list, lp);
++            if (PyByteArray_Check(temp))
++                num_bytes_reserved += (int)PyByteArray_GET_SIZE(temp);
++            else if (PyBytes_Check(temp))
++                num_bytes_reserved += (int)PyBytes_GET_SIZE(temp);
++            else
++                assert(PyByteArray_Check(temp) || PyBytes_Check(temp));
+         }
+     }
+

dev-python/sabyenc/sabyenc-4.0.2.ebuild

@@ -1,8 +1,9 @@
 # Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI="7"
-PYTHON_COMPAT=( python3_{7,8,9} )
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..10} )
 
 inherit distutils-r1
 
@@ -13,13 +14,15 @@ SRC_URI="https://github.com/sabnzbd/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
 LICENSE="LGPL-3"
 SLOT="0"
 KEYWORDS="amd64 ~x86"
-IUSE="test"
-RESTRICT="!test? ( test )"
 
-DOCS=( CHANGES.md README.md doc/yenc-draft.1.3.txt )
-
-DEPEND="test? (
+BDEPEND="test? (
 		dev-python/chardet[${PYTHON_USEDEP}]
 	)"
 
+DOCS=( CHANGES.md README.md doc/yenc-draft.1.3.txt )
+
+PATCHES=(
+	"${FILESDIR}/${P}-fix-segfault.patch"
+)
+
 distutils_enable_tests pytest