class webthing:

  def __init__( self, foo, **kwargs):
    self.setup(fooModified=modified(foo), **kwargs)

  def setup(self, host = DEFAULT_HOST,
                fooModified = DEFAULT_FOO,
                port = DEFAULT_PORT,
                user = DEFAULT_USER,
                pass = DEFAULT_PASS):
    print host;
    print port;
    print user;
    print pass;
    print fooModified
    # do setup stuff