popup error if the active objects datatype cant have keys as well as other cases where it would quit,

use Mesh rather then NMesh to get the keyblock, enable restrictRender for driver objects.

release/scripts/widgetwizard.py

@@ -112,6 +112,7 @@ def verifyIpocurve(ky,index):
 		idx = "Key " + str(index)
 	crv = ipo.getCurve(index)
 	if crv == None:
+		# print idx
 		crv = ipo.addCurve(idx)
 	crv.setInterpolation("Linear")
 	return crv
@@ -119,8 +120,12 @@ def verifyIpocurve(ky,index):
 # Add the Drivers and Curves	
 def setupDrivers(ob,ctrl,type):    
 	global shapes
-	me = ob.getData()	
-	ky = me.getKey()
+	me = ob.getData(mesh=1)	
+	ky = me.key
+	
+	# Should we add an error here??
+	if not ky:
+		return
 	
 	if type in [SHAPE1_ONE_MONE,SHAPE1_ONE_ZERO,SHAPE1_ZERO_MONE]:
 		ctrl.protectFlags = int("111111011",2)
@@ -372,16 +377,29 @@ def setupDrivers(ob,ctrl,type):
 		
 def build(type):
 	global shapes,widmenu,rangename
-	sce = Blender.Scene.getCurrent()
+	sce = Blender.Scene.GetCurrent()
+	
+	ob = sce.objects.active
+	
+	try:
+		ob.getData(mesh=1).key
+	except:
+		Blender.Draw.PupMenu('Aborting%t|Object has no keys')
+		return
+	
 	loc = Window.GetCursorPos() 
 	range	   = makeRange(type,rangename.val)
- 	controller = makeController(rangename.val)
+	controller = makeController(rangename.val)
 	text       = makeText(rangename.val)
 
 	sce.link(range)
 	sce.link(controller)
 	sce.link(text)
 	
+	range.restrictRender = True
+	controller.restrictRender = True
+	text.restrictRender = True
+	
 	range.setLocation(loc)
 	controller.setLocation(loc)
 	text.setLocation(loc)
@@ -390,8 +408,7 @@ def build(type):
 	range.makeParent([text],0)
 
 	sce.update()
-
-	ob = Object.GetSelected()[0]
+	
 	setupDrivers(ob,controller,widmenu.val)
 	
 #Create the text
@@ -402,8 +419,8 @@ def makeText(name):
 	txt.setDrawMode(Text3d.DRAW3D)
 	txt.setAlignment(Text3d.MIDDLE)
 	txt.setText(name)
-  	ob.link(txt)
-  	ob.setEuler(3.14159/2,0,0)
+	ob.link(txt)
+	ob.setEuler(3.14159/2,0,0)
 	return ob
 	
 
@@ -589,16 +606,20 @@ EVENT_BACK 			= 103
 #get the list of shapes from the selected object
 
 def shapeMenuText():
-	if len(Object.GetSelected()) == 0:
+	ob = Blender.Scene.GetCurrent().objects.active
+	if not ob:
 		return ""
-	ob = Object.GetSelected()[0]
-	me = ob.getData()
-	key= me.getKey()
+	
+	me = ob.getData(mesh=1)
+	try:	key= me.key
+	except:	key = None
+	
 	if key == None:
-		return ""	
+		return ""
+	
 	blocks = key.getBlocks()
 	menu = "Choose Shape %t|"
-	for n in range(len(blocks)):
+	for n in xrange(len(blocks)):
 		menu = menu + blocks[n].name + " %x" + str(n) + "|"
 	return menu