How to use the cmake.autocmake.__version__ function in cmake

def autogenerated_notice():
    from datetime import date
    from . import __version__

    current_year = date.today().year
    year_range = '2015-{0}'.format(current_year)

    s = []
    s.append('# This file is autogenerated by Autocmake v{0} http://autocmake.org'.format(__version__))
    s.append('# Copyright (c) {0} by Radovan Bast, Roberto Di Remigio, Jonas Juselius, and contributors.'.format(year_range))

    return '\n'.join(s)

def autogenerated_notice():
    from datetime import date
    from . import __version__

    current_year = date.today().year
    year_range = '2015-{0}'.format(current_year)

    s = []
    s.append('# This file is autogenerated by Autocmake v{0} http://autocmake.org'.format(__version__))
    s.append('# Copyright (c) {0} by Radovan Bast, Roberto Di Remigio, Jonas Juselius, and contributors.'.format(year_range))

    return '\n'.join(s)