/usr/lib/python3/dist-packages/diffoscope/comparators/android.py is in diffoscope 93ubuntu1.
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 80 81 82 83 84 85 86 87 88 | # -*- coding: utf-8 -*-
#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2017 Chris Lamb <lamby@debian.org>
#
# diffoscope 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.
#
# diffoscope 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 diffoscope. If not, see <https://www.gnu.org/licenses/>.
import os
import re
import logging
import subprocess
from diffoscope.tools import tool_required
from diffoscope.tempfiles import get_temporary_directory
from diffoscope.difference import Difference
from .utils.file import File
from .utils.archive import Archive
from .utils.command import Command
logger = logging.getLogger(__name__)
class AbootimgInfo(Command):
@tool_required('abootimg')
def cmdline(self):
return ['abootimg', '-i', self.path]
def filter(self, line):
if line.startswith(b'* file name = '):
return b''
return line
class AndroidBootImgContainer(Archive):
@property
def path(self):
return self._path
@tool_required('abootimg')
def open_archive(self):
self._members = []
self._unpacked = get_temporary_directory()
logger.debug(
"Extracting Android boot image to %s",
self._unpacked.name,
)
subprocess.check_call(
['abootimg', '-x', os.path.abspath(self.source.path)],
cwd=self._unpacked.name,
stdout=subprocess.PIPE,
)
self._members = sorted(os.listdir(self._unpacked.name))
return self
def close_archive(self):
self._unpacked.cleanup()
def extract(self, member_name, dest_dir):
return os.path.join(self._unpacked.name, member_name)
def get_member_names(self):
return self._members
class AndroidBootImgFile(File):
DESCRIPTION = "Android boot images"
FILE_TYPE_RE = re.compile(r'^Android bootimg\b')
CONTAINER_CLASS = AndroidBootImgContainer
def compare_details(self, other, source=None):
return [Difference.from_command(AbootimgInfo, self.path, other.path)]
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