Source code for duplicity.robust

# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
#
# Copyright 2002 Ben Escoto <ben@emerose.org>
# Copyright 2007 Kenneth Loafman <kenneth@loafman.com>
#
# This file is part of duplicity.
#
# Duplicity 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.
#
# Duplicity 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 duplicity; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

import errno

from duplicity import librsync
from duplicity import log

tmp_file_index = 1


[docs]def check_common_error(error_handler, function, args=()): """Apply function to args, if error, run error_handler on exception This only catches certain exceptions which seem innocent enough. """ from duplicity import path # TODO: avoid circ. dep. issue try: return function(*args) # except (EnvironmentError, SkipFileException, DSRPPermError, # RPathException, Rdiff.RdiffException, # librsync.librsyncError, C.UnknownFileTypeError), exc: # TracebackArchive.add() except ( IOError, EnvironmentError, librsync.librsyncError, path.PathException, ) as exc: if ( not isinstance(exc, EnvironmentError) or hasattr(exc, "errno") and errno.errorcode.get(exc.errno) in [ "EPERM", "ENOENT", "EACCES", "EBUSY", "EEXIST", "ENOTDIR", "ENAMETOOLONG", "EINTR", "ENOTEMPTY", "EIO", "ETXTBSY", "ESRCH", "EINVAL", "EOPNOTSUPP", ] ): # Log.exception() if error_handler: return error_handler(exc, *args) else: # Log.exception(1, 2) raise
[docs]def listpath(path): """Like path.listdir() but return [] if error, and sort results""" def error_handler(exc): # pylint: disable=unused-argument log.Warn(_("Error listing directory %s") % path.uc_name) return [] dir_listing = sorted(check_common_error(error_handler, path.listdir)) return dir_listing