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#!/usr/bin/env python
# Copyright 2015-2016  Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=


import sys

import yaml

import obnamlib


def strip_filtering(blob):
    # Dummy version, does not actually work if any compression or
    # encryption has been used.
    tag, remaining = blob.split('\0', 1)
    return remaining


for filename in sys.argv[1:]:
    with open(filename) as f:
        blob = f.read()
        blob = strip_filtering(blob)
    bag = obnamlib.deserialise_bag(blob)

    objs = [obnamlib.deserialise_object(obj_blob) for obj_blob in bag]
    yaml.safe_dump_all(objs, stream=sys.stdout, default_flow_style=False)