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# misc -*- mode: python; coding: utf-8 -*-
# misc tools for mini-dinstall
# Copyright (c) 2004 Thomas Viehmann <tv@beamnet.de>
# This file 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.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os, errno, time, re, hashlib
def dup2(fd, fd2):
# dup2 with EBUSY retries (cf. dup2(2) and Debian bug #265513)
success = False
tries = 0
while not success:
try:
os.dup2(fd, fd2)
success = True
except OSError as e:
if e.errno != errno.EBUSY or tries >= 3:
raise
# wait 0-2 seconds before next try
time.sleep(tries)
tries += 1
def format_changes(L):
""" remove changelog header and all lines with only a dot """
dotmatch = re.compile('^\\.$')
L1 = []
for x in L[3:]:
L1.append(dotmatch.sub('', x))
return "\n".join(L1)
def get_file_sum(self, type, filename):
""" generate hash sums for file """
sum = getattr(hashlib, type)()
self._logger.debug("Generate %s (python-internal) for %s" % (type, filename))
f = open(filename, 'rb')
buf = f.read(8192)
while buf:
sum.update(buf)
buf = f.read(8192)
return sum.hexdigest()
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