TST,CI: Pin ubuntu version. Set autodoc_use_legacy_class_based = True in extension.

--HG--
branch : default/0.4.3

Author: Michael McNeil Forbes

.github/workflows/tests.yaml

@@ -3,7 +3,7 @@ name: Tests
 on: [push]
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]

Docs/conf.py

@@ -73,7 +73,6 @@
 }
 
 nitpick = True
-autodoc_use_legacy_class_based = True
 
 # Most themes have no styling for interfaces, only class, or exception.  Here is some
 # javascript that adds the HTML "class" class everywhere there is an HTML "interface"

src/sphinxcontrib/zopeext/autointerface.py

@@ -264,6 +264,10 @@ def get_index_text(self, modname, name_cls):
 
 def setup(app: Sphinx) -> Dict[str, Any]:
     app.setup_extension("sphinx.ext.autodoc")
+
+    # We currently need to use the legacy classes.
+    app.config.autodoc_use_legacy_class_based = True
+
     app.add_autodoc_attrgetter(
         zope.interface.interface.InterfaceClass, interface_getattr
     )

tests/examples/conf.py

@@ -22,4 +22,3 @@
 }
 
 nitpicky = True
-autodoc_use_legacy_class_based = True

tests/roots/test-zopeext-autointerface/conf.py

@@ -20,4 +20,3 @@
 master_doc = "index"
 
 nitpicky = True
-autodoc_use_legacy_class_based = True