#!/usr/bin/env python
# Copyright (c) 2010-2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import codecs
import sys
from optparse import OptionParser

import six

from swift.common.storage_policy import reload_storage_policies
from swift.common.utils import set_swift_dir
from swift.cli.info import print_obj, InfoSystemExit


if __name__ == '__main__':
    if not six.PY2:
        # Make stdout able to write escaped bytes
        sys.stdout = codecs.getwriter("utf-8")(
            sys.stdout.detach(), errors='surrogateescape')

    parser = OptionParser('%prog [options] OBJECT_FILE')
    parser.add_option(
        '-n', '--no-check-etag', default=True,
        action="store_false", dest="check_etag",
        help="Don't verify file contents against stored etag")
    parser.add_option(
        '-d', '--swift-dir', default='/etc/swift', dest='swift_dir',
        help="Pass location of swift directory")
    parser.add_option(
        '--drop-prefixes', default=False, action="store_true",
        help="When outputting metadata, drop the per-section common prefixes")
    parser.add_option(
        '-P', '--policy-name', dest='policy_name',
        help="Specify storage policy name")

    options, args = parser.parse_args()

    if len(args) != 1:
        sys.exit(parser.print_help())

    if set_swift_dir(options.swift_dir):
        reload_storage_policies()

    try:
        print_obj(*args, **vars(options))
    except InfoSystemExit:
        sys.exit(1)
