Simplify with built-in functions where possible. e.g.

change [x for x in y if x] to filter(None, y)
change [f(x) for x in y] to map(f, x)
change [x for x in y] to list(y)

These changes reduce source code size and complexity and produce some minor performance gains

svn: r14104

src/gen/lib/attrbase.py

@@ -67,7 +67,7 @@ class AttributeBase(object):
         """
         Convert a serialized tuple of data to an object.
         """
-        self.attribute_list = [Attribute().unserialize(item) for item in data]
+        self.attribute_list = map(Attribute().unserialize, data)
 
     def add_attribute(self, attribute):
         """