andrej@1511: #!/usr/bin/env python
andrej@1511: # -*- coding: utf-8 -*-
andrej@1511: 
andrej@1511: # This file is part of Beremiz, a Integrated Development Environment for
andrej@1511: # programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
andrej@1511: #
andrej@1511: # Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
andrej@1511: #
andrej@1511: # See COPYING file for copyrights details.
andrej@1511: #
andrej@1511: # This program is free software; you can redistribute it and/or
andrej@1511: # modify it under the terms of the GNU General Public License
andrej@1511: # as published by the Free Software Foundation; either version 2
andrej@1511: # of the License, or (at your option) any later version.
andrej@1511: #
andrej@1511: # This program is distributed in the hope that it will be useful,
andrej@1511: # but WITHOUT ANY WARRANTY; without even the implied warranty of
andrej@1511: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
andrej@1511: # GNU General Public License for more details.
andrej@1511: #
andrej@1511: # You should have received a copy of the GNU General Public License
andrej@1511: # along with this program; if not, write to the Free Software
andrej@1511: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
andrej@1511: 
Edouard@725: """
Edouard@725: Misc definitions
Edouard@725: """
Edouard@725: 
andrej@1853: 
andrej@1853: from __future__ import absolute_import
andrej@1732: import os
laurent@806: 
andrej@1853: from util.BitmapLibrary import AddBitmapFolder
andrej@1853: from util.TranslationCatalogs import AddCatalog
andrej@1853: 
andrej@1736: 
Edouard@725: def CheckPathPerm(path):
andrej@1736:     """ Helper func to check path write permission """
Edouard@725:     if path is None or not os.path.isdir(path):
Edouard@725:         return False
Edouard@725:     for root, dirs, files in os.walk(path):
andrej@1719:         files = [f for f in files if not f[0] == '.']
andrej@1719:         dirs[:] = [d for d in dirs if not d[0] == '.']
andrej@1719:         for name in files:
andrej@1719:             if os.access(root, os.W_OK) is not True or os.access(os.path.join(root, name), os.W_OK) is not True:
andrej@1719:                 return False
Edouard@725:     return True
Edouard@725: 
Edouard@1923: def GetClassImporter(param):
Edouard@1920:     """
Edouard@1920:     is used to resolve library class names in features.py
Edouard@1923:     if param is a string, returns a callable that return the class pointed by param
Edouard@1923:     if a class is given, then returns a callable that returns the given class.
Edouard@1920:     """
andrej@1736: 
Edouard@1923:     if isinstance(param, str):
Edouard@1920:         def factory():
Edouard@1920:             # on-demand import, only when using class
Edouard@1923:             mod = __import__(param.rsplit('.', 1)[0])
Edouard@1923:             return reduce(getattr, param.split('.')[1:], mod)
Edouard@1920:         return factory
Edouard@1923:     elif isinstance(param,types.ClassType):
Edouard@1923:         return lambda : param
Edouard@725:     else:
Edouard@1923:         # backward compatibility 
Edouard@1923:         # for old extensions that pass some callables
Edouard@1923:         # deprecated, should not be used anymore
Edouard@1923:         return param
Edouard@1388: 
andrej@1736: 
Edouard@1388: def InstallLocalRessources(CWD):
Edouard@1388:     # Beremiz bitmaps
Edouard@1388:     AddBitmapFolder(os.path.join(CWD, "images"))
Edouard@1388: 
Edouard@1388:     # Internationalization
Edouard@1388:     AddCatalog(os.path.join(CWD, "locale"))