search_gps.py 文件源码

def cmdLineParse():
    parser = argparse.ArgumentParser(description='Download GPS data over SAR coverage.',\
                                     formatter_class=argparse.RawTextHelpFormatter,\
                                     epilog=INTRODUCTION+'\n'+EXAMPLE)

    parser.add_argument('-p', dest = 'projectName',help='Project name of the processing datasets.')
    parser.add_argument('-t', dest='SLCpar', help='One SLC par file of the resaerch region.')
    parser.add_argument('-s', dest='Dbeg', help='Beginning date of available GPS data.')
    parser.add_argument('-e', dest='Dend', help='Ending date of available GPS data.')

    inps = parser.parse_args()

    if not inps.projectName and not inps.SLCpar:
        parser.print_usage()
        sys.exit(os.path.basename(sys.argv[0])+': error: projectName and SLCpar File, at least one is needed.')
    return inps

    return inps

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