def get(self, field_name, default=None):
        """Like dict.get, except that it checks that the field name is
        defined by the simple registration specification"""
        checkFieldName(field_name)
        return self.data.get(field_name, default)
def get ( self , field_name , default = None ) : checkFieldName ( field_name ) return self . data . get ( field_name , default )
Like dict.get, except that it checks that the field name is
        defined by the simple registration specification