Index: release/scripts/modules/bpy_ops.py
===================================================================
--- release/scripts/modules/bpy_ops.py	(revision 24010)
+++ release/scripts/modules/bpy_ops.py	(working copy)
@@ -155,50 +155,55 @@
 
 rna_path_prop = bpy.props.StringProperty(attr="path", name="Context Attributes", description="rna context string", maxlen= 1024, default= "")
 
+def getpath(obj, path):
+	for name in path.split('.'):
+		obj = getattr(obj, name)
+	return obj
+
+def setpath(obj, path, value):
+	path = path.split('.')
+	for name in path[:-1]:
+		obj = getattr(obj, name)
+	setattr(obj, path[-1], value)
+
+def simple_execute(self, context):
+	setpath(context, self.path, self.value)
+	return ('FINISHED',)
+
 class WM_OT_context_set_boolean(bpy.types.Operator):
 	'''Set a context value.'''
 	__idname__ = "wm.context_set_boolean"
 	__label__ = "Context Set"
 	__props__ = [rna_path_prop, bpy.props.BoolProperty(attr="value", name="Value", description="Assignment value", default= True)]
-	def execute(self, context):
-		exec("context.%s=%s" % (self.path, self.value)) # security nuts will complain.
-		return ('FINISHED',)
+	execute = simple_execute
 
 class WM_OT_context_set_int(bpy.types.Operator): # same as enum
 	'''Set a context value.'''
 	__idname__ = "wm.context_set_int"
 	__label__ = "Context Set"
 	__props__ = [rna_path_prop, bpy.props.IntProperty(attr="value", name="Value", description="Assignment value", default= 0)]
-	def execute(self, context):
-		exec("context.%s=%d" % (self.path, self.value)) # security nuts will complain.
-		return ('FINISHED',)
+	execute = simple_execute
 		
 class WM_OT_context_set_float(bpy.types.Operator): # same as enum
 	'''Set a context value.'''
 	__idname__ = "wm.context_set_int"
 	__label__ = "Context Set"
 	__props__ = [rna_path_prop, bpy.props.FloatProperty(attr="value", name="Value", description="Assignment value", default= 0.0)]
-	def execute(self, context):
-		exec("context.%s=%f" % (self.path, self.value)) # security nuts will complain.
-		return ('FINISHED',)
+	execute = simple_execute
 
 class WM_OT_context_set_string(bpy.types.Operator): # same as enum
 	'''Set a context value.'''
 	__idname__ = "wm.context_set_string"
 	__label__ = "Context Set"
 	__props__ = [rna_path_prop, bpy.props.StringProperty(attr="value", name="Value", description="Assignment value", maxlen= 1024, default= "")]
-	def execute(self, context):
-		exec("context.%s='%s'" % (self.path, self.value)) # security nuts will complain.
-		return ('FINISHED',)
+	execute = simple_execute
 
 class WM_OT_context_set_enum(bpy.types.Operator):
 	'''Set a context value.'''
 	__idname__ = "wm.context_set_enum"
 	__label__ = "Context Set"
 	__props__ = [rna_path_prop, bpy.props.StringProperty(attr="value", name="Value", description="Assignment value (as a string)", maxlen= 1024, default= "")]
-	def execute(self, context):
-		exec("context.%s='%s'" % (self.path, self.value)) # security nuts will complain.
-		return ('FINISHED',)
+	execute = simple_execute
 
 class WM_OT_context_toggle(bpy.types.Operator):
 	'''Toggle a context value.'''
@@ -206,7 +211,7 @@
 	__label__ = "Context Toggle"
 	__props__ = [rna_path_prop]
 	def execute(self, context):
-		exec("context.%s=not (context.%s)" % (self.path, self.path)) # security nuts will complain.
+		setpath(context, self.path, not getpath(context, self.path))
 		return ('FINISHED',)
 
 class WM_OT_context_toggle_enum(bpy.types.Operator):
@@ -219,7 +224,11 @@
 		bpy.props.StringProperty(attr="value_2", name="Value", description="Toggle enum", maxlen= 1024, default= "")
 	]
 	def execute(self, context):
-		exec("context.%s = ['%s', '%s'][context.%s!='%s']" % (self.path, self.value_1, self.value_2, self.path, self.value_2)) # security nuts will complain.
+		if getpath(context, self.path) == self.value_2:
+			setpath(context, self.path, self.value_1)
+		else:
+			setpath(context, self.path, self.value_2)
+
 		return ('FINISHED',)
 
 class WM_OT_context_cycle_enum(bpy.types.Operator):
@@ -228,14 +237,14 @@
 	__label__ = "Context Enum Cycle"
 	__props__ = [rna_path_prop, bpy.props.BoolProperty(attr="reverse", name="Reverse", description="Cycle backwards", default= False)]
 	def execute(self, context):
-		orig_value = eval("context.%s" % self.path) # security nuts will complain.
+		orig_value = getpath(context, self.path)
 		
 		# Have to get rna enum values
 		rna_struct_str, rna_prop_str =  self.path.rsplit('.', 1)
 		i = rna_prop_str.find('[')
 		if i != -1: rna_prop_str = rna_prop_str[0:i] # just incse we get "context.foo.bar[0]"
 		
-		rna_struct = eval("context.%s.rna_type" % rna_struct_str)
+		rna_struct = getpath(context, rna_struct_str).rna_type
 		
 		rna_prop = rna_struct.properties[rna_prop_str]
 		
@@ -254,7 +263,7 @@
 			else:					advance_enum = enums[orig_index+1]
 		
 		# set the new value
-		exec("context.%s=advance_enum" % self.path)
+		setpath(context, self.path, advance_enum)
 		return ('FINISHED',)
 
 bpy.ops.add(MESH_OT_delete_edgeloop)
Index: release/scripts/ui/space_userpref.py
===================================================================
--- release/scripts/ui/space_userpref.py	(revision 24010)
+++ release/scripts/ui/space_userpref.py	(working copy)
@@ -620,7 +620,7 @@
 				if props != None:
 					for pname in dir(props):
 						if props.is_property_set(pname) and not props.is_property_hidden(pname):
-							value = eval("props.%s" % pname)
+							value = getattr(props, pname)
 							value = self._string_value(value)
 							if value != "":
 								f.write("kmi.properties.%s = %s\n" % (pname, value))