def __pyName(py_dir, py_file):
    """
    Local function to create the Python source file name for the compiled
    .ui file.
    
    @param py_dir suggested name of the directory (string)
    @param py_file suggested name for the compile source file (string)
    @return tuple of directory name (string) and source file name (string)
    """
    return py_dir, 'Ui_{0}'.format(py_file)
