Python 3.12.0a5 fixes

Cython.spec

@@ -6,7 +6,7 @@
 
 Name:           Cython
 Version:        0.29.33
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Language for writing Python extension modules
 
 License:        Apache-2.0
@@ -18,6 +18,17 @@ Source:         https://github.com/cython/cython/archive/%{version}/Cython-%{ver
 # Fixes https://bugzilla.redhat.com/2155090
 Patch:          emacs-docstring-wrap.patch
 
+# Python 3.12 backports and fixes:
+#  Stop using PyLong internals and dict versioning in Py3.12 for 0.29.x
+Patch:          https://github.com/cython/cython/commit/3397705da0.patch
+#  Allow Py3.12 AttributeError suggestions in doctest output
+Patch:          https://github.com/cython/cython/commit/d883ccdec1.patch
+#  Disable "py_unicode_strings" test in Py3.12, which removed the support for it
+Patch:          https://github.com/cython/cython/commit/21e64ec206.patch
+#  Account for possible extension type struct padding when calculating the itemsize for the "size changed" check
+Patch:          https://github.com/cython/cython/commit/15de63e460.patch
+
+
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
 
@@ -133,6 +144,10 @@ cp -p cython-mode-init.el cython-mode-init.elc %{buildroot}%{_emacs_sitestartdir
 
 
 %changelog
+* Wed Mar 01 2023 Miro Hrončok <mhroncok@redhat.com> - 0.29.33-2
+- Make Cython work with Python 3.12.0a5
+- Fixes: rhbz#2172822
+
 * Fri Feb 17 2023 Miro Hrončok <mhroncok@redhat.com> - 0.29.33-1
 - Update to 0.29.33
 - Fix test failures with NumPy 1.24