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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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# This file is part of Beremiz, a Integrated Development Environment for

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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

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#

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# Copyright (C) 2017: Andrey Skvortsov

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#

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# See COPYING file for copyrights details.

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#

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# This program is free software; you can redistribute it and/or

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# modify it under the terms of the GNU General Public License

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# as published by the Free Software Foundation; either version 2

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# of the License, or (at your option) any later version.

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#

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# This program is distributed in the hope that it will be useful,

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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# GNU General Public License for more details.

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#

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# You should have received a copy of the GNU General Public License

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# along with this program; if not, write to the Free Software

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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

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from __future__ import absolute_import

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import os

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import sys

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from builtins import str as text

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def AbsFile(file):

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    if isinstance(file, str):

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        file = text(file, sys.getfilesystemencoding())

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    return file

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def AbsDir(file):

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    file = AbsFile(file)

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    return os.path.dirname(os.path.realpath(file))

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def AbsNeighbourFile(file, *args):

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    return os.path.join(AbsDir(file), *args)

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def AbsParentDir(file, level=1):

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    path = AbsDir(file)

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    for dummy in range(0, level):

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        path = os.path.dirname(path)

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    return path

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def ThirdPartyPath(name):

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    """

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    Return folder where to find sibling projects like Modbus, CanFestival, BACnet

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    """

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    return os.path.join(AbsParentDir(__file__, 2), name)

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