/usr/share/pyshared/smart/util/filetools.py is in python-smartpm 1.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2004 Conectiva, Inc.
#
# Written by Gustavo Niemeyer <niemeyer@conectiva.com>
#
# This file is part of Smart Package Manager.
#
# Smart Package Manager 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 2 of the License, or (at
# your option) any later version.
#
# Smart Package Manager 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 Smart Package Manager; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
from smart.const import BLOCKSIZE
import resource
import fcntl
try:
from hashlib import md5
except ImportError:
from md5 import md5
import os
def getFileDigest(path, digest=None):
if not digest:
digest = md5()
file = open(path)
while True:
data = file.read(BLOCKSIZE)
if not data:
break
digest.update(data)
file.close()
return digest.digest()
def compareFiles(path1, path2):
if not os.path.isfile(path1) or not os.path.isfile(path2):
return False
if os.path.getsize(path1) != os.path.getsize(path2):
return False
path1sum = md5()
path2sum = md5()
for path, sum in [(path1, path1sum), (path2, path2sum)]:
file = open(path)
while True:
data = file.read(BLOCKSIZE)
if not data:
break
sum.update(data)
file.close()
if path1sum.digest() != path2sum.digest():
return False
return True
def setCloseOnExec(fd):
try:
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags |= fcntl.FD_CLOEXEC
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
except IOError:
pass
def setCloseOnExecAll():
number_of_files = min(4096, resource.getrlimit(resource.RLIMIT_NOFILE)[1])
for fd in range(3, number_of_files):
try:
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags |= fcntl.FD_CLOEXEC
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
except IOError:
pass
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