#!/usr/bin/env python3
# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# duplicity -- Encrypted bandwidth efficient backup
#
# 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
#
# 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.

from __future__ import print_function
from future import standard_library
standard_library.install_aliases()
from builtins import filter
from builtins import map
from builtins import next
from builtins import object
from builtins import range

import copy
import fasteners
import gzip
import os
import platform
import re
import resource
import sys
import time
import traceback
import types


from datetime import datetime
from os import statvfs

from duplicity.dup_main import main
import duplicity.errors

from duplicity import gpg
from duplicity import log
from duplicity import tempdir
from duplicity import util


if u'--pydevd' in sys.argv or os.getenv(u'PYDEVD', None):
    import pydevd  # pylint: disable=import-error
    pydevd.settrace()
    # In a dev environment the path is screwed so fix it.
    base = sys.path.pop(0)
    base = base.split(os.path.sep)[:-1]
    base = os.path.sep.join(base)
    sys.path.insert(0, base)

log.setup()


def with_tempdir(fn):
    u"""
    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()


if __name__ == u"__main__":
    try:

        #         import cProfile
        #         import pstats
        #         import StringIO
        #         prof = cProfile.Profile()
        #         prof.enable(subcalls=True, builtins=True)

        with_tempdir(main)

        #         prof.disable()
        #         s = StringIO.StringIO()
        #         ps = pstats.Stats(prof, stream=s).sort_stats('cumulative')
        #         ps.print_stats(20)
        #         print s.getvalue()

    # 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(_(u"INT intercepted...exiting."))
        util.release_lockfile()
        sys.exit(4)

    except gpg.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(_(u"GPG error detail: %s")
                 % util.exception_traceback())
        log.FatalError(u"%s: %s" % (e.__class__.__name__, e.args[0]),
                       log.ErrorCode.gpg_failed,
                       e.__class__.__name__)

    except duplicity.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(_(u"User error detail: %s")
                 % util.exception_traceback())
        log.FatalError(u"%s: %s" % (e.__class__.__name__, util.uexc(e)),
                       log.ErrorCode.user_error,
                       e.__class__.__name__)

    except duplicity.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(_(u"Backend error detail: %s")
                 % util.exception_traceback())
        log.FatalError(u"%s: %s" % (e.__class__.__name__, util.uexc(e)),
                       log.ErrorCode.user_error,
                       e.__class__.__name__)

    except Exception as e:
        util.release_lockfile()
        if u"Forced assertion for testing" in util.uexc(e):
            log.FatalError(u"%s: %s" % (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__)
