Source code for duplicity.__main__

#!/usr/bin/env python3
# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
#
# duplicity -- Encrypted bandwidth efficient backup
#
# Copyright 2002 Ben Escoto
# Copyright 2007 Kenneth Loafman
#
# 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
#
# See http://www.nongnu.org/duplicity for more information.
# Please send mail to me or the mailing list if you find bugs or have
# any suggestions.

import os
import sys

from duplicity import (
    errors,
    log,
    tempdir,
    util,
)
from duplicity.dup_main import main
from duplicity.gpg import GPGError

sys.stdout.reconfigure(errors="surrogateescape")
sys.stderr.reconfigure(errors="surrogateescape")


[docs] def with_tempdir(fn): """ Execute function and guarantee cleanup of tempdir is called @type fn: callable function @param fn: function to execute @return: void @rtype: void """ try: fn() finally: tempdir.default().cleanup()
[docs] def dup_run(): # check that we can function here if os.environ.get("PYTEST_VERSION") is not None: pass elif not ((3, 9) <= sys.version_info[:2] <= (3, 14)): print("Sorry, duplicity requires version 3.9 thru 3.14 of Python.", file=sys.stderr) sys.exit(1) try: log.setup() util.start_debugger() with_tempdir(main) # Don't move this lower. In order to get an exit # status out of the system, you have to call the # sys.exit() function. Python handles this by # raising the SystemExit exception. Cleanup code # goes here, if needed. except SystemExit as e: # No traceback, just get out util.release_lockfile() sys.exit(e.code) except KeyboardInterrupt as e: # No traceback, just get out log.Info(_("INT intercepted...exiting.")) util.release_lockfile() sys.exit(4) except GPGError as e: # For gpg errors, don't show an ugly stack trace by # default. But do with sufficient verbosity. util.release_lockfile() log.Info(_("GPG error detail: %s") % util.exception_traceback()) log.FatalError(f"{e.__class__.__name__}: {e.args[0]}", log.ErrorCode.gpg_failed, e.__class__.__name__) except errors.UserError as e: util.release_lockfile() # For user errors, don't show an ugly stack trace by # default. But do with sufficient verbosity. log.Info(_("User error detail: %s") % util.exception_traceback()) log.FatalError(f"{e.__class__.__name__}: {util.uexc(e)}", log.ErrorCode.user_error, e.__class__.__name__) except errors.BackendException as e: util.release_lockfile() # For backend errors, don't show an ugly stack trace by # default. But do with sufficient verbosity. log.Info(_("Backend error detail: %s") % util.exception_traceback()) log.FatalError(f"{e.__class__.__name__}: {util.uexc(e)}", log.ErrorCode.backend_error, e.__class__.__name__) except Exception as e: util.release_lockfile() if "Forced assertion for testing" in util.uexc(e): log.FatalError(f"{e.__class__.__name__}: {util.uexc(e)}", log.ErrorCode.exception, e.__class__.__name__) else: # Traceback and that mess log.FatalError(util.exception_traceback(), log.ErrorCode.exception, e.__class__.__name__)
if __name__ == "__main__": dup_run()