Work around Travertino _ALL_PROPERTIES version differences

beeware · Jan 20, 2025 · f6c8041 · f6c8041
1 parent 3ca6a13
commit f6c8041
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/core/src/toga/style/mixin.py b/core/src/toga/style/mixin.py
@@ -23,7 +23,14 @@ def style_mixin(style_cls):
             write ``widget.color``.
             """
     }
-    for name in style_cls._ALL_PROPERTIES[style_cls]:
+
+    try:
+        _all_properties = style_cls._BASE_ALL_PROPERTIES
+    except AttributeError:
+        # Travertino 0.3 compatibility
+        _all_properties = style_cls._ALL_PROPERTIES
+
+    for name in _all_properties[style_cls]:
         mixin_dict[name] = StyleProperty()
 
     return type(style_cls.__name__ + "Mixin", (), mixin_dict)
diff --git a/core/src/toga/style/pack.py b/core/src/toga/style/pack.py
@@ -1001,4 +1001,10 @@ def __css__(self) -> str:
 #     FONT_CHOICES
 # ])
 
-Pack._ALL_PROPERTIES[Pack].update(Pack._ALIASES)
+try:
+    _all_properties = Pack._BASE_ALL_PROPERTIES
+except AttributeError:
+    # Travertino 0.3 compatibility
+    _all_properties = Pack._ALL_PROPERTIES
+
+_all_properties[Pack].update(Pack._ALIASES)