#!/usr/bin/env python

import argparse

import arvados
import arvados.commands._util as arv_cmd

parser = argparse.ArgumentParser(
    description='List contents of a manifest',
    parents=[arv_cmd.retry_opt])

parser.add_argument('locator', type=str,
                    help="Collection UUID or locator")
parser.add_argument('-s', action='store_true', help="""List file sizes, in KiB.""")

args = parser.parse_args()
cr = arvados.CollectionReader(args.locator, num_retries=args.retries)

for f in cr.all_files():
    if args.s:
        print "{:>10} {}".format((f.size() + 1023) / 1024,
                                 f.stream_name() + "/" + f.name())
    else:
        print f.stream_name() + "/" + f.name()