util/misc.py
author Edouard Tisserant
Thu, 05 Mar 2020 13:54:29 +0100
branchsvghmi
changeset 2858 39c8d6079f0f
parent 2456 7373e3048167
child 3475 ee665dca07fa
permissions -rw-r--r--
SVGHMI: Fix disapearing elements in case of nested detachable elements.
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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) 2007: Edouard TISSERANT and Laurent BESSARD
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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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"""
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Misc definitions
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"""
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from __future__ import absolute_import
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import os
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from functools import reduce
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from util.BitmapLibrary import AddBitmapFolder
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from util.TranslationCatalogs import AddCatalog
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def CheckPathPerm(path):
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    """ Helper func to check path write permission """
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    if path is None or not os.path.isdir(path):
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        return False
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    for root, dirs, files in os.walk(path):
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        files = [f for f in files if not f[0] == '.']
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        dirs[:] = [d for d in dirs if not d[0] == '.']
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        for name in files:
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            if os.access(root, os.W_OK) is not True or os.access(os.path.join(root, name), os.W_OK) is not True:
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                return False
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    return True
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def GetClassImporter(param):
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    """
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    is used to resolve library class names in features.py
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    if param is a string, returns a callable that return the class pointed by param
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    if a class is given, then returns a callable that returns the given class.
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    """
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    if isinstance(param, str):
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        def factory():
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            # on-demand import, only when using class
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            mod = __import__(param.rsplit('.', 1)[0])
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            return reduce(getattr, param.split('.')[1:], mod)
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        return factory
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    else:
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        return lambda: param
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def InstallLocalRessources(CWD):
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    # Beremiz bitmaps
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    AddBitmapFolder(os.path.join(CWD, "images"))
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    # Internationalization
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    AddCatalog(os.path.join(CWD, "locale"))