util/misc.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 15 Sep 2017 19:01:31 +0300
changeset 1807 5562f34f2fc2
parent 1806 6b4d0f4f2fbc
child 1847 6198190bc121
permissions -rw-r--r--
lazy initialization of highlight pens and brushes for DebugVariableViewer

Constructors wx.Pen() and wx.Brush() require wx.App to exist already.
That causes crash during import of the control,
because import is done before calling main application code.
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

"""
Misc definitions
"""

import os
import sys


def CheckPathPerm(path):
    """ Helper func to check path write permission """
    if path is None or not os.path.isdir(path):
        return False
    for root, dirs, files in os.walk(path):
        files = [f for f in files if not f[0] == '.']
        dirs[:] = [d for d in dirs if not d[0] == '.']
        for name in files:
            if os.access(root, os.W_OK) is not True or os.access(os.path.join(root, name), os.W_OK) is not True:
                return False
    return True


def GetClassImporter(classpath):
    if type(classpath) == str:
        def fac():
            mod = __import__(classpath.rsplit('.', 1)[0])
            return reduce(getattr, classpath.split('.')[1:], mod)
        return fac
    else:
        return classpath


def InstallLocalRessources(CWD):
    from BitmapLibrary import AddBitmapFolder
    from TranslationCatalogs import AddCatalog
    import wx

    # Beremiz bitmaps
    AddBitmapFolder(os.path.join(CWD, "images"))

    # Internationalization
    AddCatalog(os.path.join(CWD, "locale"))
    import gettext