Stop testing sphinx 9

Author: choldgraf

.github/workflows/tests.yml

@@ -15,36 +15,35 @@ jobs:
 
   tests:
 
+    env:
+      # Latest supported versions for reuse
+      LATEST_PYTHON: "3.13"
+      LATEST_SPHINX: "~=8.0"
+
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
         python-version: ["3.10", "3.11", "3.12", "3.13"]
-        sphinx: [""]  # Newest Sphinx (any)
+        sphinx: ["${{ env.LATEST_SPHINX }}"]
         myst-parser: [""]  # Newest MyST Parser (any)
         include:
           # Just check the other platforms once
           - os: windows-latest
-            python-version: "3.12"
-            sphinx: "~=8.0"
+            python-version: "${{ env.LATEST_PYTHON }}"
+            sphinx: "${{ env.LATEST_SPHINX }}"
             myst-parser: "~=4.0"
             pillow: "==11.0.0"
           - os: macos-latest
-            python-version: "3.12"
-            sphinx: "~=8.0"
+            python-version: "${{ env.LATEST_PYTHON }}"
+            sphinx: "${{ env.LATEST_SPHINX }}"
             myst-parser: "~=4.0"
             pillow: "==11.0.0"
           - os: ubuntu-latest
-            python-version: "3.12"
-            sphinx: "~=8.0"
+            python-version: "${{ env.LATEST_PYTHON }}"
+            sphinx: "${{ env.LATEST_SPHINX }}"
             myst-parser: "~=4.0"
             pillow: "==11.0.0"
-          # Oldest known-compatible dependencies
-          - os: ubuntu-latest
-            python-version: "3.10"
-            sphinx: "==5.0.0"
-            myst-parser: "==1.0.0"
-            pillow: "==11.0.0"
           # Mid-range dependencies
           - os: ubuntu-latest
             python-version: "3.11"
@@ -53,8 +52,8 @@ jobs:
             pillow: "==11.0.0"
           # Newest known-compatible dependencies
           - os: ubuntu-latest
-            python-version: "3.13"
-            sphinx: "~=9.0.2"
+            python-version: "${{ env.LATEST_PYTHON }}"
+            sphinx: "${{ env.LATEST_SPHINX }}"
             myst-parser: "==4.0.0"
             pillow: "==11.0.0"
 

pyproject.toml

@@ -175,9 +175,9 @@ filterwarnings = [
     # From matplotlib’s dependencies
     'ignore::DeprecationWarning:pyparsing',  # imports deprecated `sre_constants`
     # From myst-parser on Sphinx 9
-    'ignore:.*MystReferenceResolver.app.*:sphinx.deprecation.RemovedInSphinx11Warning',
+    'ignore:.*MystReferenceResolver.app.*:DeprecationWarning',
     # Upstream myst-parser still hits env.app deprecations under Sphinx 9
-    'ignore:.*env\\.app.*:sphinx.deprecation.RemovedInSphinx10Warning:myst_parser',
+    'ignore:.*env\\.app.*:DeprecationWarning:myst_parser',
     # Windows issues, some may need to be fixed in MyST-NB, others are upstream
     'ignore:Proactor event loop does not implement add_reader:RuntimeWarning:zmq',
 ]

tox.ini

@@ -11,17 +11,16 @@
 # then then deleting compiled files has been found to fix it: `find . -name \*.pyc -delete`
 
 [tox]
-envlist = py313-sphinx9
+envlist = py313-sphinx8
 
 [testenv]
 usedevelop = true
 
-[testenv:py{310,312,313}-sphinx{7,8,9}]
+[testenv:py{310,311,312,313}-sphinx{7,8}]
 extras = testing
 deps =
     sphinx7: sphinx>=7,<8
     sphinx8: sphinx>=8,<9
-    sphinx9: sphinx>=9,<10
 commands = pytest {posargs}
 
 [testenv:docs-{update,clean}]