[PEAK] Avoiding double naming

[Jean-Philippe Dutreve]

I'm coding derived attributes separately from their elements so that their rules
are reused :

def getLocal(name):
    class attr(model.Attribute):
         # some 'local' rules here
    attr.attrName = name
    return attr

class MyElement(model.Element):
    foo = getLocal('foo')
    bar = getLocal('bar')

How could I avoid double naming as in "foo = getLocal('foo')" ?