def get_summary_html_name(prj):
    """
    Get the name of the summary HTML file for provided project object

    :param peppy.Project prj: a project object to compose a summary HTML file name for
    :return str: name of the summary HTML file
    """
    fname = prj.name
    if prj.subproject is not None:
        fname += '_' + prj.subproject
    return fname + '_summary.html'
