getattr(object, name[, default])
Fetches a named attribute.
Returns the value of the named attribute of object.
name must be a string. If the string is the name of one of the
object's attributes, the result is the value of that attribute. For
example, getattr(x, 'foobar') is equivalent to
x.foobar. If the named attribute does not exist,
default is returned if provided, otherwise AttributeError is raised.