From 0da87923d612e04305fd9e0cde2e66423a9148c2 Mon Sep 17 00:00:00 2001
From: Thomas Braun <thomas.braun@byte-physics.de>
Date: Mon, 6 Feb 2023 21:07:05 +0100
Subject: [PATCH] .github/workflows/unit_tests.yml: Update it

Only keep the last two major versions for sphinx and drop 4.x. In addition
sphinx 6.0 dropped support for python 3.7, so we do the same.

Both changes allow us to remove all matrix excludes.
---
 .github/workflows/unit_tests.yml | 23 ++---------------------
 README.rst                       |  2 +-
 setup.py                         |  4 ++--
 3 files changed, 5 insertions(+), 24 deletions(-)

diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 7a797984..1ad0c346 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -7,33 +7,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
         sphinx-version:
-          - '4.0.3'
-          - '4.1.2'
-          - '4.2.0'
-          - '4.3.2'
-          - '4.5.0'
           - '5.0.2'
           - '5.1.1'
+          - '5.2.3'
           - '5.3.0'
           - '6.1.3'
           - git+https://github.com/sphinx-doc/sphinx.git@master
-        exclude:
-          # avoid bug in following configurations
-          # sphinx/util/typing.py:37: in <module>
-          #     from types import Union as types_Union
-          # ImportError: cannot import name 'Union' from 'types'
-          - python-version: '3.10'
-            sphinx-version: '4.0.3'
-          - python-version: '3.10'
-            sphinx-version: '4.1.2'
-
-          # Sphinx has removed support for Python 3.7, Breathe will follow.
-          - python-version: '3.7'
-            sphinx-version: git+https://github.com/sphinx-doc/sphinx.git@master
-          - python-version: '3.7'
-            sphinx-version: '6.1.3'
 
     steps:
       - uses: actions/checkout@v2
diff --git a/README.rst b/README.rst
index bfc11d78..cbf01022 100644
--- a/README.rst
+++ b/README.rst
@@ -98,7 +98,7 @@ branch.
 Requirements
 ------------
 
-Breathe requires Python 3.6+, Sphinx 4.0+ and Doxygen 1.8+.
+Breathe requires Python 3.8+, Sphinx 5.0+ and Doxygen 1.8+.
 
 Mailing List Archives
 ---------------------
diff --git a/setup.py b/setup.py
index 1ca127eb..3a94b358 100644
--- a/setup.py
+++ b/setup.py
@@ -19,8 +19,8 @@
 
 requires = ["Sphinx>=4.0,!=5.0.0", "docutils>=0.12"]
 
-if sys.version_info < (3, 7):
-    print("ERROR: Sphinx requires at least Python 3.7 to run.")
+if sys.version_info < (3, 8):
+    print("ERROR: Sphinx requires at least Python 3.8 to run.")
     sys.exit(1)