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# -*- coding: utf-8 -*-
#
# pyhwp : hwp file format parser in python
# Copyright (C) 2010-2023 mete0r <https://github.com/mete0r>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from __future__ import absolute_import
from __future__ import print_function
from __future__ import unicode_literals
import sys
from ..cli import open_hwpfile
from ..storage import open_storage_item
PY2 = sys.version_info.major == 2
def main(args):
if PY2:
output_fp = sys.stdout
else:
output_fp = sys.stdout.buffer
hwp5file = open_hwpfile(args)
stream = open_storage_item(hwp5file, args.stream)
f = stream.open()
try:
while True:
data = f.read(4096)
if data:
output_fp.write(data)
else:
return
finally:
if hasattr(f, 'close'):
f.close()
def cat_argparser(subparsers, _):
parser = subparsers.add_parser(
'cat',
help=_(
'Extract out internal streams of .hwp files'
),
description=_(
'Extract out the specified stream in the <hwp5file> '
'to the standard output.'
)
)
parser.add_argument(
'hwp5file',
metavar='<hwp5file>',
help=_('.hwp file to analyze'),
)
parser.add_argument(
'stream',
metavar='<stream>',
help=_('Internal path of a stream to extract'),
)
mutex_group = parser.add_mutually_exclusive_group()
mutex_group.add_argument(
'--vstreams',
action='store_true',
help=_(
'Process with virtual streams (i.e. parsed/converted form of '
'real streams)'
)
)
mutex_group.add_argument(
'--ole',
action='store_true',
help=_(
'Treat <hwp5file> as an OLE Compound File. As a result, '
'some streams will be presented as-is. (i.e. not decompressed)'
)
)
parser.set_defaults(func=main)
return parser
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