How to use the pywws.DataStore.params function in pywws

opts, args = getopt.getopt(argv[1:], "h", ['help'])
    except getopt.error, msg:
        print >>sys.stderr, 'Error: %s\n' % msg
        print >>sys.stderr, __usage__.strip()
        return 1
    # process options
    for o, a in opts:
        if o in ('-h', '--help'):
            print __usage__.strip()
            return 0
    # check arguments
    if len(args) != 1:
        print >>sys.stderr, "Error: 1 argument required"
        print >>sys.stderr, __usage__.strip()
        return 2
    return TwitterAuth(DataStore.params(args[0]))

# convert status from bit pattern to single int
                    s = ''
                    for b in reversed(line[-1]):
                        s += b
                    line[-1] = int(s, 2)
                    # save result
                    writer.writerow(line)
                reader.close()
                writer.close()
                # preserve file date (doesn't seem to work on Asus router)
                shutil.copystat(file1, file2)
                os.unlink(file1)
            os.rmdir(root)
    # create data summaries
    print 'Generating hourly and daily summaries'
    params = DataStore.params(data_dir)
    raw_data = DataStore.data_store(data_dir)
    calib_data = DataStore.calib_store(data_dir)
    hourly_data = DataStore.hourly_store(data_dir)
    daily_data = DataStore.daily_store(data_dir)
    monthly_data = DataStore.monthly_store(data_dir)
    Process.Process(
        params, raw_data, calib_data, hourly_data, daily_data, monthly_data)
    return 0
def usage():

except getopt.error, msg:
        print >>sys.stderr, 'Error: %s\n' % msg
        print >>sys.stderr, __usage__.strip()
        return 1
    # process options
    for o, a in opts:
        if o in ('-h', '--help'):
            print __usage__.strip()
            return 0
    # check arguments
    if len(args) != 1:
        print >>sys.stderr, "Error: 1 argument required"
        print >>sys.stderr, __usage__.strip()
        return 2
    data_dir = args[0]
    params = DataStore.params(data_dir)
    Localisation.SetApplicationLanguage(params)
    hourly_data = DataStore.hourly_store(data_dir)
    idx = hourly_data.before(datetime.max)
    print 'Zambretti (current):', Zambretti(params, hourly_data[idx])
    idx = utc.localize(idx).astimezone(Local)
    if idx.hour < 8 or (idx.hour == 8 and idx.minute < 30):
        idx -= timedelta(hours=24)
    idx = idx.replace(hour=9, minute=0, second=0)
    idx = hourly_data.nearest(idx.astimezone(utc).replace(tzinfo=None))
    lcl = utc.localize(idx).astimezone(Local)
    print 'Zambretti (at %s):' % lcl.strftime('%H:%M %Z'), Zambretti(
        params, hourly_data[idx])
    return 0