human
Complete this python program:
def main():
assistant
#Here is the Python program you requested.

    """Update the flow database from Airodump CSV files
    """
    try:
        import argparse
        parser = argparse.ArgumentParser(description=__doc__)
        parser.add_argument('files', nargs='*', metavar='FILE', help='PCAP    files')
    except ImportError:
        import optparse
        parser = optparse.OptionParser(description=__doc__)
        parser.parse_args_orig = parser.parse_args
        def my_parse_args():
            res = parser.parse_args_orig()
            res[0].ensure_value('files', res[1])
            return res[0]
        parser.parse_args = my_parse_args
        parser.add_argument = parser.add_option
    parser.add_argument('-v', '--verbose', help='verbose    mode', action='store_true')
    args = parser.parse_args()
    if args.verbose:
        config.DEBUG = True
    bulk = db.flow.start_bulk_insert()
    for fname in args.files:
        for pkt in reader(fname):
            for rec in [{'dst': pkt.hwsrc, 'src': pkt.psrc}, {'dst': pkt.hwdst, 'src': pkt.pdst}]:
                if ((rec['dst'] != '00:00:00:00:00:00') and (rec['src'] != '0.0.0.0')):
                    db.flow.bulk_add_flow(bulk, rec, 'ARP', {}, srcnode=('Host', {'addr': '{src}'}), dstnode=('Intel:Mac', {'addr': '{dst}'}))
    bulk.close()