Backport upstream patch to enable successful build with Sphinx 5.3+

12155e05c0.patch

@@ -0,0 +1,38 @@
+From de3504c81c7cefc87c8229743f93232ca00a685d Mon Sep 17 00:00:00 2001
+From: Daniel Garcia Moreno <daniel.garcia@suse.com>
+Date: Fri, 28 Oct 2022 08:45:33 +0200
+Subject: [PATCH 1/2] Fix tests for Sphinx 5.3.0
+
+Fix https://github.com/breathe-doc/breathe/issues/863
+---
+ tests/test_renderer.py | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/tests/test_renderer.py b/tests/test_renderer.py
+index 16889818..a858c65d 100644
+--- a/tests/test_renderer.py
++++ b/tests/test_renderer.py
+@@ -109,6 +109,12 @@ def __init__(self, **kwargs):
+         WrappedDoxygenNode.__init__(self, compounddefTypeSub, **kwargs)
+ 
+ 
++class MockMemo:
++    def __init__(self):
++        self.title_styles = ""
++        self.section_level = ""
++
++
+ class MockState:
+     def __init__(self, app):
+         from breathe.project import ProjectInfoFactory
+@@ -123,7 +129,11 @@ def __init__(self, app):
+         settings.env = env
+         self.document = utils.new_document("", settings)
+ 
+-    def nested_parse(self, content, content_offset, contentnode):
++        # In sphinx 5.3.0 the method state.nested_parse is not called directly
++        # so this memo object should exists here
++        self.memo = MockMemo()
++
++    def nested_parse(self, content, content_offset, contentnode, match_titles=1):
+         pass

python-breathe.spec

@@ -15,6 +15,9 @@ Source0:        %{URL}/archive/v%{version}.tar.gz
 Source1:        %{URL}/releases/download/v%{version}/%{srcname}-%{version}.tar.gz.sig
 Source2:        https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x8aed58021feacdd5f27ba0e6a72f627716ea9d96#./vermware.key
 
+# The patch is needed to ensure proper build with Sphinx 5.3+
+Patch:          https://github.com/breathe-doc/breathe/commit/12155e05c0.patch
+
 BuildArch:      noarch
 
 BuildRequires:  doxygen >= 1.8.4