util/misc.py
author Edouard Tisserant
Wed, 31 Jan 2018 11:21:08 +0100
changeset 1914 99f8cfa80b15
parent 1862 c4ba411f8c89
child 1920 584ad449ee58
permissions -rw-r--r--
launcher : move call to ShowSplashScreen and BackgroundInitialization to PreStart()
It doesn't change behaviour of launcher in beremiz, but may have some impact on some customizations.
Some customizations need to squeeze some bitmap folder init in between app creation and ShowSplashScreen
#!/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
"""


from __future__ import absolute_import
import os

from util.BitmapLibrary import AddBitmapFolder
from util.TranslationCatalogs import AddCatalog


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

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