/usr/lib/python2.7/dist-packages/AptFs/utils.py is in aptfs 2:0.8-1.
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 | # -*- coding: utf-8 -*-
# aptfs — FUSE filesystem for APT source repositories
# Copyright © 2008—2015 Chris Lamb <lamby@debian.org>
#
# 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/>.
import os
import fuse
import glob
import popen2
class BaseDirException(Exception):
    pass
def get_package_info():
    if not glob.glob('/var/lib/apt/lists/*_Sources'):
        raise StopIteration()
    # FIXME: Move to subprocess
    stdout, stdin = popen2.popen2('grep-dctrl -FSource:Package --regex . --no-field-names --show-field=Package,Binary /var/lib/apt/lists/*_Sources')
    for line in stdout:
        src = line.strip()
        binaries = set()
        while True:
            line = stdout.next()
            if line == '\n':
                break
            binaries.update(x for x in line.strip().split(', ') if x)
        binaries.discard(src)
        yield src, binaries
    stdin.close()
    stdout.close()
def flag_to_mode(flags):
    md = {
        os.O_RDWR: 'w+',
        os.O_RDONLY: 'r',
        os.O_WRONLY: 'w',
    }
    m = md[flags & (os.O_RDONLY | os.O_WRONLY | os.O_RDWR)]
    if flags | os.O_APPEND:
        m = m.replace('w', 'a', 1)
    return m
class MyStat(fuse.Stat):
    def __init__(self):
        self.st_mode = 0
        self.st_ino = 0
        self.st_dev = 0
        self.st_nlink = 0
        self.st_uid = 0
        self.st_gid = 0
        self.st_size = 0
        self.st_atime = 0
        self.st_mtime = 0
        self.st_ctime = 0
 |