#!/usr/bin/env python
#
# Copyright (c) 2013 Red Hat, Inc.
#
# 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 sys
import pprint
import os
import json
from optparse import OptionParser
from gluster.swift.common.utils import read_metadata

# Parser Setup
USAGE = "Usage: %prog [options] OBJECT"
DESCRIPTION = "Where OBJECT is a file or directory which "\
        "its Gluster for Swift metadata will be printed "\
        "to standard out"

parser = OptionParser(usage=USAGE, description=DESCRIPTION)
parser.add_option("-J", "--json", dest="json_format", action="store_true",
        default=False, help="Print output in JSON format")

(options, args) = parser.parse_args()

if len(args) < 1 or not os.path.exists(args[0]):
    parser.error("Filename missing")

if options.json_format:
    print json.dumps(read_metadata(args[0]))
else:
    pprint.pprint(read_metadata(args[0]))