Fix python 3.12 compatibility

Resolves: #bz2220920

Signed-off-by: Tomas Tomecek <ttomecek@redhat.com>

python-urwid.spec

@@ -11,6 +11,8 @@ License:       LGPLv2+
 URL:           http://excess.org/urwid/
 Source0:       %{pypi_source urwid}
 
+Patch1:        rhbz-2220920.patch
+
 %global _description\
 Urwid is a Python library for making text console applications.  It has\
 many features including fluid interface resizing, support for UTF-8 and\
@@ -25,6 +27,8 @@ control.
 Summary: %summary
 %{?python_provide:%python_provide python3-urwid}
 BuildRequires: gcc
+# patch application
+BuildRequires: git-core
 BuildRequires: python3-devel
 BuildRequires: python3-setuptools
 # needed by selftest suite for test.support
@@ -33,7 +37,7 @@ BuildRequires: python3-test
 %description -n python3-%{srcname} %_description
 
 %prep
-%setup -q -n %{srcname}-%{version}
+%autosetup -Sgit -n %{srcname}-%{version}
 find urwid -type f -name "*.py" -exec sed -i -e '/^#!\//, 1d' {} \;
 find urwid -type f -name "*.py" -exec chmod 644 {} \;
 

rhbz-2220920.patch

@@ -0,0 +1,94 @@
+From 44f46f9f389816c154d80a7d3ceddb3730e6eb88 Mon Sep 17 00:00:00 2001
+From: Alexey Stepanov <penguinolog@users.noreply.github.com>
+Date: Mon, 4 Sep 2023 16:53:13 +0200
+Subject: [PATCH] Fix #583: python 3.12 compatibility (#598)
+
+* Fix #583: python 3.12 compatibility
+
+Replace as pep-0393 recommended:
+
+* `PyUnicode_AS_UNICODE` by `PyUnicode_ReadChar`
+  (use Stable API)
+
+* Enable PR tests on python 3.12
+
+* Force Limited API following pep-0384
+
+---------
+
+Backported to Fedora rawhide
+Upstream commit:
+https://github.com/urwid/urwid/commit/44f46f9f389816c154d80a7d3ceddb3730e6eb88
+
+Co-authored-by: Aleksei Stepanov <alekseis@nvidia.com>
+Signed-off-by: Tomas Tomecek <ttomecek@redhat.com>
+---
+ source/str_util.c | 14 +++++---------
+ 1 file changed, 5 insertions(+), 9 deletions(-)
+
+diff --git a/source/str_util.c b/source/str_util.c
+index 5ed1356..a8480d7 100644
+--- a/source/str_util.c
++++ b/source/str_util.c
+@@ -21,6 +21,8 @@
+ */
+ 
+ #define PY_SSIZE_T_CLEAN
++// Use Limited API for Python 3.7.0 release and newer
++#define Py_LIMITED_API 0x030700f0
+ 
+ #include <Python.h>
+ 
+@@ -476,13 +478,11 @@ offs -- offset";
+ static int Py_IsWideChar(PyObject *text, Py_ssize_t offs)
+ {
+     const unsigned char *str;
+-    Py_UNICODE *ustr;
+     Py_ssize_t ret[2], str_len;
+ 
+     if (PyUnicode_Check(text))  //text_py is unicode string
+     {
+-        ustr = PyUnicode_AS_UNICODE(text);
+-        return (Py_GetWidth((long int)ustr[offs]) == 2);
++        return (Py_GetWidth((long int) PyUnicode_ReadChar(text, offs)) == 2);
+     }
+ 
+ #ifndef PYTHON3
+@@ -656,15 +656,13 @@ static Py_ssize_t Py_CalcWidth(PyObject *text, Py_ssize_t start_offs,
+     unsigned char * str;
+     Py_ssize_t i, ret[2], str_len;
+     int screencols;
+-    Py_UNICODE *ustr;
+ 
+     if (PyUnicode_Check(text))  //text_py is unicode string
+     {
+-        ustr = PyUnicode_AS_UNICODE(text);
+         screencols = 0;
+  
+         for(i=start_offs; i<end_offs; i++) 
+-            screencols += Py_GetWidth(ustr[i]);
++            screencols += Py_GetWidth((long int) PyUnicode_ReadChar(text, i));
+ 
+         return screencols;
+     }
+@@ -742,16 +740,14 @@ static int Py_CalcTextPos(PyObject *text, Py_ssize_t start_offs,
+     unsigned char * str;
+     Py_ssize_t i, dummy[2], str_len;
+     int screencols, width;
+-    Py_UNICODE *ustr;
+ 
+     if (PyUnicode_Check(text))  //text_py is unicode string
+     {
+-        ustr = PyUnicode_AS_UNICODE(text);
+         screencols = 0;
+  
+         for(i=start_offs; i<end_offs; i++)
+         {
+-            width = Py_GetWidth(ustr[i]);
++            width = Py_GetWidth((long int) PyUnicode_ReadChar(text, i));
+             
+             if (width+screencols > pref_col)
+             {
+-- 
+2.41.0
+