/usr/lib/python3/dist-packages/libarchive/extract.py is in python3-libarchive-c 2.1-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | # This file is part of a program licensed under the terms of the GNU Lesser
# General Public License version 2 (or at your option any later version)
# as published by the Free Software Foundation: http://www.gnu.org/licenses/
from __future__ import division, print_function, unicode_literals
from contextlib import contextmanager
from ctypes import byref, c_longlong, c_size_t, c_void_p
from .ffi import (
write_disk_new, write_disk_set_options, write_free, write_header,
read_data_block, write_data_block, write_finish_entry, ARCHIVE_EOF
)
from .read import fd_reader, file_reader, memory_reader
EXTRACT_OWNER = 0x0001
EXTRACT_PERM = 0x0002
EXTRACT_TIME = 0x0004
EXTRACT_NO_OVERWRITE = 0x0008
EXTRACT_UNLINK = 0x0010
EXTRACT_ACL = 0x0020
EXTRACT_FFLAGS = 0x0040
EXTRACT_XATTR = 0x0080
EXTRACT_SECURE_SYMLINKS = 0x0100
EXTRACT_SECURE_NODOTDOT = 0x0200
EXTRACT_NO_AUTODIR = 0x0400
EXTRACT_NO_OVERWRITE_NEWER = 0x0800
EXTRACT_SPARSE = 0x1000
EXTRACT_MAC_METADATA = 0x2000
EXTRACT_NO_HFS_COMPRESSION = 0x4000
EXTRACT_HFS_COMPRESSION_FORCED = 0x8000
@contextmanager
def new_archive_write_disk(flags):
archive_p = write_disk_new()
write_disk_set_options(archive_p, flags)
try:
yield archive_p
finally:
write_free(archive_p)
def extract_entries(entries, flags=0):
"""Extracts the given archive entries into the current directory.
"""
buff, size, offset = c_void_p(), c_size_t(), c_longlong()
buff_p, size_p, offset_p = byref(buff), byref(size), byref(offset)
with new_archive_write_disk(flags) as write_p:
for entry in entries:
write_header(write_p, entry._entry_p)
read_p = entry._archive_p
while 1:
r = read_data_block(read_p, buff_p, size_p, offset_p)
if r == ARCHIVE_EOF:
break
write_data_block(write_p, buff, size, offset)
write_finish_entry(write_p)
def extract_fd(fd, flags=0):
"""Extracts an archive from a file descriptor into the current directory.
"""
with fd_reader(fd) as archive:
extract_entries(archive, flags)
def extract_file(filepath, flags=0):
"""Extracts an archive from a file into the current directory."""
with file_reader(filepath) as archive:
extract_entries(archive, flags)
def extract_memory(buffer_, flags=0):
"""Extracts an archive from memory into the current directory."""
with memory_reader(buffer_) as archive:
extract_entries(archive, flags)
|