bpy.ops module/caller classes incorrectly had __keys__ rather then __slots__.

also added comments about texface drawing when theres no origindex.

release/scripts/modules/bpy/ops.py

@@ -74,7 +74,7 @@ class BPyOpsSubMod(object):
 
     eg. bpy.ops.object
     """
-    __keys__ = ("module",)
+    __slots__ = ("module",)
 
     def __init__(self, module):
         self.module = module
@@ -111,7 +111,7 @@ class BPyOpsSubModOp(object):
     eg. bpy.ops.object.somefunc
     """
 
-    __keys__ = ("module", "func")
+    __slots__ = ("module", "func")
 
     def _get_doc(self):
         return op_as_string(self.idname())

source/blender/blenkernel/intern/cdderivedmesh.c

@@ -654,6 +654,9 @@ static void cdDM_drawFacesTex_common(DerivedMesh *dm,
 				if (index_mf_to_mpoly) {
 					orig = DM_origindex_mface_mpoly(index_mf_to_mpoly, index_mp_to_orig, i);
 					if (orig == ORIGINDEX_NONE) {
+						/* XXX, this is not really correct
+						 * it will draw the previous faces context for this one when we don't know its settings.
+						 * but better then skipping it altogether. - campbell */
 						draw_option = DM_DRAW_OPTION_NORMAL;
 					}
 					else if (drawParamsMapped) {
@@ -756,6 +759,9 @@ static void cdDM_drawFacesTex_common(DerivedMesh *dm,
 					if (index_mf_to_mpoly) {
 						orig = DM_origindex_mface_mpoly(index_mf_to_mpoly, index_mp_to_orig, actualFace);
 						if (orig == ORIGINDEX_NONE) {
+							/* XXX, this is not really correct
+							 * it will draw the previous faces context for this one when we don't know its settings.
+							 * but better then skipping it altogether. - campbell */
 							draw_option = DM_DRAW_OPTION_NORMAL;
 						}
 						else if (drawParamsMapped) {