From 7706261e79d6103b21b7569dab71bc702be56ac0 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Wed, 2 Dec 2009 19:13:54 +0000
Subject: [PATCH] change bone storage class so __slots__ can be used for
 looping over attributes without getting functions

---
 release/scripts/modules/rigify/__init__.py | 71 +++++++++++-----------
 1 file changed, 35 insertions(+), 36 deletions(-)

diff --git a/release/scripts/modules/rigify/__init__.py b/release/scripts/modules/rigify/__init__.py
index 7ef5f7f5dc6..78ace98ff89 100644
--- a/release/scripts/modules/rigify/__init__.py
+++ b/release/scripts/modules/rigify/__init__.py
@@ -24,11 +24,36 @@ from rna_prop_ui import rna_idprop_ui_get, rna_idprop_ui_prop_get
 
 empty_layer = [False] * 32
 
-def auto_class(slots, name="ContainerClass"):
-    return type(name, (object,), {"__slots__":tuple(slots)})
+def auto_class(slots, name="ContainerClass", class_dict=None):
     
-def auto_class_instance(slots, name="ContainerClass"):
-    return auto_class(slots, name)()
+    if class_dict:
+        class_dict = class_dict.copy()
+    else:
+        class_dict = {}
+
+    class_dict["__slots__"] = tuple(slots)
+    
+    return type(name, (object,), class_dict)
+    
+def auto_class_instance(slots, name="ContainerClass", class_dict=None):
+    return auto_class(slots, name, class_dict)()
+
+
+def _bone_class_instance_update(self):
+    ''' Re-Assigns bones from the blender data
+    '''
+    arm = self.obj.data
+    bbones = arm.bones
+    pbones = self.obj.pose.bones
+    ebones = arm.edit_bones
+    
+    for member in self.__slots__:
+        if not member[-2] == "_":
+            name = getattr(self, member, None)
+            if name is not None:
+                setattr(self, member + "_b", bbones.get(name, None))
+                setattr(self, member + "_p", pbones.get(name, None))
+                setattr(self, member + "_e", ebones.get(name, None))
 
 def bone_class_instance(obj, slots, name="BoneContainer"):
     slots = slots[:] # dont modify the original
@@ -37,35 +62,9 @@ def bone_class_instance(obj, slots, name="BoneContainer"):
         slots.append(member + "_b") # bone bone
         slots.append(member + "_p") # pose bone
         slots.append(member + "_e") # edit bone
-    
-    slots.extend(["obj", "update"])
-    
-    instance = auto_class_instance(slots, name)
-    
-    def update():
-        '''
-        Re-Assigns bones from the blender data
-        '''
-        arm = obj.data
-        
-        bbones = arm.bones
-        pbones = obj.pose.bones
-        ebones = arm.edit_bones
-        
-        for member in slots:
-            
-            if member in ("update", "obj"):
-                continue
-            
-            if not member[-2] == "_":
-                name = getattr(instance, member, None)
-                if name is not None:
-                    setattr(instance, member + "_b", bbones.get(name, None))
-                    setattr(instance, member + "_p", pbones.get(name, None))
-                    setattr(instance, member + "_e", ebones.get(name, None))
-        
-    instance.update = update
-    
+
+    class_dict = {"obj":obj, "update":_bone_class_instance_update}
+    instance = auto_class_instance(slots, name, class_dict)
     return instance
 
 def gen_none(obj, orig_bone_name):
@@ -241,7 +240,7 @@ def write_meta_rig(obj, func_name="metarig_template"):
     code = []
 
     code.append("def %s():" % func_name)
-
+    code.append("    # generated by rigify.write_meta_rig")
     bpy.ops.object.mode_set(mode='EDIT')
     code.append("    bpy.ops.object.mode_set(mode='EDIT')")
 
@@ -351,8 +350,8 @@ def generate_test_all(context):
             path_png = fn + ".png"
             saved = graphviz_export.graph_armature(ob, path_dot, CONSTRAINTS=True, DRIVERS=True)
 
-            if saved:
-                os.system("dot -Tpng %s > %s; eog %s" % (path_dot, path_png, path_png))
+            #if saved:
+            #    os.system("dot -Tpng %s > %s; eog %s" % (path_dot, path_png, path_png))
     
 
 if __name__ == "__main__":