bpy/rna api class feature

- python defined classes will be used when available (otherwise automaically generated metaclasses are made as before)
- use properties rather then functions for python defined rna class's
- call the classes getattr AFTER doing an RNA lookup, avoids setting and clearing exceptions for most attribute lookups, tested UI scripts are ~25% faster.
- extending rna py classes this way is a nicer alternative to modifying the generated metaclasses in place.

Example class

--- snip
class Object(bpy.types.ID):

    def _get_children(self):
        return [child for child in bpy.data.objects if child.parent == self]

    children = property(_get_children)
--- snip

The C initialization function looks in bpy_types.py for classes matching RNA structure names, using them when available.
This means all objects in python will be instances of these classes.
Python properties/funcs defined in ID py class will also be available for subclasses for eg. (Group Mesh etc)

2 files changed, 5 insertions, 5 deletions

diff --git a/release/scripts/op/mesh.py b/release/scripts/op/mesh.py
index 8ea9ea03062..f78e33730f0 100644
--- a/release/scripts/op/mesh.py
+++ b/release/scripts/op/mesh.py
@@ -28,9 +28,9 @@ def main(context):
     mesh = ob.data
     
     face_list = [face for face in mesh.faces]
-    face_edge_keys = [face.edge_keys() for face in face_list]
+    face_edge_keys = [face.edge_keys for face in face_list]
 
-    edge_face_count = mesh.edge_face_count_dict(face_edge_keys)
+    edge_face_count = mesh.edge_face_count_dict
     
     def test_interior(index):
         for key in face_edge_keys[index]:
diff --git a/release/scripts/op/mesh_skin.py b/release/scripts/op/mesh_skin.py
index 85df6463eb0..f9a92c8cd82 100644
--- a/release/scripts/op/mesh_skin.py
+++ b/release/scripts/op/mesh_skin.py
@@ -256,11 +256,11 @@ def getSelectedEdges(context, me, ob):
 	if MESH_MODE == 'FACE':
 		context.scene.tool_settings.mesh_selection_mode = 'EDGE'
 		# value is [edge, face_sel_user_in]
-		edge_dict=  dict((ed.key(), [ed, 0]) for ed in me.edges)
+		edge_dict=  dict((ed.key, [ed, 0]) for ed in me.edges)
 		
 		for f in me.faces:
 			if f.selected:
-				for edkey in f.edge_keys():
+				for edkey in f.edge_keys:
 					edge_dict[edkey][1] += 1
 		
 		context.scene.tool_settings.mesh_selection_mode = MESH_MODE
@@ -280,7 +280,7 @@ def getVertLoops(selEdges, me):
 	vert_used = [False] * tot
 	
 	for ed in selEdges:
-		i1, i2 = ed.key()
+		i1, i2 = ed.key
 		vert_siblings[i1].append(i2)
 		vert_siblings[i2].append(i1)