remove nasty hack which made StructRNA class instaces have no __dict__,

use __slots__, it seems all the parent classes need to have slots as well for this to work.
all python defined srna classes are checked for this too

2 files changed, 13 insertions, 4 deletions

diff --git a/release/scripts/io/engine_render_pov.py b/release/scripts/io/engine_render_pov.py
index ddca6eb43dc..9157136475b 100644
--- a/release/scripts/io/engine_render_pov.py
+++ b/release/scripts/io/engine_render_pov.py
@@ -757,6 +757,7 @@ class PovrayRender(bpy.types.RenderEngine):
 				pov_binary = winreg.QueryValueEx(regKey, 'Home')[0] + '\\bin\\pvengine'
 			
 		if 1:
+			# TODO, when povray isnt found this gives a cryptic error, would be nice to be able to detect if it exists
 			self._process = subprocess.Popen([pov_binary, self._temp_file_ini]) # stdout=subprocess.PIPE, stderr=subprocess.PIPE
 		else:
 			# This works too but means we have to wait until its done
diff --git a/release/scripts/modules/bpy_types.py b/release/scripts/modules/bpy_types.py
index 1a3f2da2c97..9e4f3c9f836 100644
--- a/release/scripts/modules/bpy_types.py
+++ b/release/scripts/modules/bpy_types.py
@@ -25,6 +25,7 @@ StructRNA = bpy_types.Struct.__bases__[0]
 
 
 class Context(StructRNA):
+    __slots__ = ()
 
     def copy(self):
         new_context = {}
@@ -37,6 +38,7 @@ class Context(StructRNA):
 
 
 class Object(bpy_types.ID):
+    __slots__ = ()
 
     @property
     def children(self):
@@ -49,6 +51,7 @@ class _GenericBone:
     functions for bones, common between Armature/Pose/Edit bones.
     internal subclassing use only.
     '''
+    __slots__ = ()
 
     def translate(self, vec):
         self.head += vec
@@ -158,15 +161,15 @@ class _GenericBone:
 
 
 class PoseBone(StructRNA, _GenericBone):
-    pass
+    __slots__ = ()
 
 
 class Bone(StructRNA, _GenericBone):
-    pass
+    __slots__ = ()
 
 
 class EditBone(StructRNA, _GenericBone):
-    pass
+    __slots__ = ()
 
 
 def ord_ind(i1, i2):
@@ -176,6 +179,7 @@ def ord_ind(i1, i2):
 
 
 class Mesh(bpy_types.ID):
+    __slots__ = ()
 
     def from_pydata(self, verts, edges, faces):
         '''
@@ -227,6 +231,7 @@ class Mesh(bpy_types.ID):
 
 
 class MeshEdge(StructRNA):
+    __slots__ = ()
 
     @property
     def key(self):
@@ -234,6 +239,7 @@ class MeshEdge(StructRNA):
 
 
 class MeshFace(StructRNA):
+    __slots__ = ()
 
     @property
     def edge_keys(self):
@@ -259,12 +265,13 @@ class OrderedMeta(type):
 
 # Only defined so operators members can be used by accessing self.order
 class Operator(StructRNA, metaclass=OrderedMeta):
-    pass
+    __slots__ = ()
 
 
 class Macro(StructRNA, metaclass=OrderedMeta):
     # bpy_types is imported before ops is defined
     # so we have to do a local import on each run
+    __slots__ = ()
 
     @classmethod
     def define(self, opname):
@@ -273,6 +280,7 @@ class Macro(StructRNA, metaclass=OrderedMeta):
 
 
 class Menu(StructRNA):
+    __slots__ = ()
 
     def path_menu(self, searchpaths, operator):
         layout = self.layout