Prepare for Traits 7.0.2 release (#1828)

This PR prepares for a Traits 7.0.2 release:

* Backport PR #1827 and PR #1826
* Bump the version number

Author: mdickinson

.github/workflows/run-traits-tests.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     runs-on: ${{ matrix.os }}
 

.github/workflows/test-from-pypi.yml

@@ -10,7 +10,7 @@ jobs:
   test-pypi-sdist:
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform:
           - os: ubuntu-latest
             architecture: x64
@@ -44,7 +44,7 @@ jobs:
   test-pypi-wheel:
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         platform:
           - os: ubuntu-latest
             architecture: x64

CHANGES.rst

@@ -1,6 +1,24 @@
 Traits CHANGELOG
 ================
 
+Release 7.0.2
+-------------
+
+Released: 2025-01-24
+
+This is a bugfix release of the Traits package that fixes an interoperability
+issue with Pyface (a regression since Traits 6.4.3).
+
+Fixes
+~~~~~
+* Make ``traits.trait_notifiers.ui_handler`` public again, since
+  Pyface relies on importing it directly. (#1827)
+
+Build
+~~~~~
+* Include Python 3.13 in all test workflows. (#1826)
+
+
 Release 7.0.1
 -------------
 

setup.py

@@ -20,7 +20,7 @@
 # into the package source.
 MAJOR = 7
 MINOR = 0
-MICRO = 1
+MICRO = 2
 PRERELEASE = ""
 IS_RELEASED = True
 

traits/trait_notifiers.py

@@ -29,31 +29,33 @@
 
 # The currently active handler for notifications that must be run on the UI
 # thread, or None if no handler has been set.
-_ui_handler = None
+# Note: the Pyface library current accesses the `ui_handler` attribute
+# directly, so we can't make it private yet.
+ui_handler = None
 
 
 def get_ui_handler():
     """
     Return the current user interface thread handler.
     """
-    return _ui_handler
+    return ui_handler
 
 
 def set_ui_handler(handler):
     """ Sets up the user interface thread handler.
     """
-    global _ui_handler
+    global ui_handler
 
-    _ui_handler = handler
+    ui_handler = handler
 
 
 def ui_dispatch(handler, *args, **kw):
     if threading.current_thread() == threading.main_thread():
         handler(*args, **kw)
-    elif _ui_handler is None:
+    elif ui_handler is None:
         raise RuntimeError("no UI handler registered for dispatch='ui'")
     else:
-        _ui_handler(handler, *args, **kw)
+        ui_handler(handler, *args, **kw)
 
 
 class NotificationExceptionHandlerState(object):
@@ -616,10 +618,10 @@ class FastUITraitChangeNotifyWrapper(TraitChangeNotifyWrapper):
     def dispatch(self, handler, *args):
         if threading.current_thread() == threading.main_thread():
             handler(*args)
-        elif _ui_handler is None:
+        elif ui_handler is None:
             raise RuntimeError("no UI handler registered for dispatch='ui'")
         else:
-            _ui_handler(handler, *args)
+            ui_handler(handler, *args)
 
 
 class NewTraitChangeNotifyWrapper(TraitChangeNotifyWrapper):