beremiz

fix problem when Beremiz is running without matiec installed

2017-08-25, Andrey Skvortsov
492e2cd6157e
file isExecutable
fix problem when Beremiz is running without matiec installed

set matiec settings only once on first use of ProjectController class and give
user-friendly message on compilation about missing matiec
installation.


Traceback (most recent call last):
File "Beremiz.py", line 197, in
beremiz.Start()
File "Beremiz.py", line 192, in Start
self.CreateApplication()
File "Beremiz.py", line 130, in CreateApplication
self.BackgroundInitialization()
File "Beremiz.py", line 137, in BackgroundInitialization
self.ImportModules()
File "Beremiz.py", line 176, in ImportModules
import BeremizIDE
File
"BeremizIDE.py", line 76, in
from ProjectController import ProjectController, GetAddMenuItems,
MATIEC_ERROR_MODEL, ITEM_CONFNODE
File
"ProjectController.py", line 177, in
iec2c_cfg = Iec2CSettings()
File
"ProjectController.py", line 101, in __init__
self.ieclib_c_path = self.findLibCPath()
File
"ProjectController.py", line 135, in findLibCPath
os.path.join(self.ieclib_path, "C"),
File "/usr/lib/python2.7/posixpath.py", line 70, in join
elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'
#!/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) 2016 - 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>
#
# 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.
import os
import sys
import getopt
import time
import __builtin__
import util.paths as paths
class BeremizIDELauncher:
def __init__(self):
self.updateinfo_url = None
self.extensions = []
self.app_dir = paths.AbsDir(__file__)
self.projectOpen = None
self.buildpath = None
self.splash = None
self.splashPath = self.Bpath("images", "splash.png")
def Bpath(self, *args):
return os.path.join(self.app_dir, *args)
def ShowSplashScreen(self):
from wx.lib.agw.advancedsplash import AdvancedSplash
bmp = wx.Image(self.splashPath).ConvertToBitmap()
self.splash = AdvancedSplash(None, bitmap=bmp)
# process all events
# even the events generated by splash themself during showing
if wx.Platform == '__WXMSW__':
self.splash.Show()
self.splash.ProcessEvent(wx.PaintEvent())
else:
for i in range(0, 30):
wx.Yield()
time.sleep(0.01)
def Usage(self):
print "Usage:"
print "%s [Options] [Projectpath] [Buildpath]" % sys.argv[0]
print ""
print "Supported options:"
print "-h --help Print this help"
print "-u --updatecheck URL Retrieve update information by checking URL"
print "-e --extend PathToExtension Extend IDE functionality by loading at start additional extensions"
print ""
print ""
def SetCmdOptions(self):
self.shortCmdOpts = "hu:e:"
self.longCmdOpts = ["help", "updatecheck=", "extend="]
def ProcessOption(self, o, a):
if o in ("-h", "--help"):
self.Usage()
sys.exit()
if o in ("-u", "--updatecheck"):
self.updateinfo_url = a
if o in ("-e", "--extend"):
self.extensions.append(a)
def ProcessCommandLineArgs(self):
self.SetCmdOptions()
try:
opts, args = getopt.getopt(sys.argv[1:], self.shortCmdOpts, self.longCmdOpts)
except getopt.GetoptError:
# print help information and exit:
self.Usage()
sys.exit(2)
for o, a in opts:
self.ProcessOption(o, a)
if len(args) > 2:
self.Usage()
sys.exit()
elif len(args) == 1:
self.projectOpen = args[0]
self.buildpath = None
elif len(args) == 2:
self.projectOpen = args[0]
self.buildpath = args[1]
def CreateApplication(self):
if os.path.exists("BEREMIZ_DEBUG"):
__builtin__.__dict__["BMZ_DBG"] = True
else:
__builtin__.__dict__["BMZ_DBG"] = False
global wxversion, wx
import wxversion
wxversion.select(['2.8', '3.0'])
import wx
if wx.VERSION >= (3, 0, 0):
self.app = wx.App(redirect=BMZ_DBG)
else:
self.app = wx.PySimpleApp(redirect=BMZ_DBG)
self.app.SetAppName('beremiz')
if wx.VERSION < (3, 0, 0):
wx.InitAllImageHandlers()
self.ShowSplashScreen()
self.BackgroundInitialization()
self.app.MainLoop()
def BackgroundInitialization(self):
self.InitI18n()
self.CheckUpdates()
self.LoadExtensions()
self.ImportModules()
self.InstallExceptionHandler()
self.ShowUI()
def InitI18n(self):
from util.misc import InstallLocalRessources
InstallLocalRessources(self.app_dir)
def LoadExtensions(self):
for extfilename in self.extensions:
from util.TranslationCatalogs import AddCatalog
from util.BitmapLibrary import AddBitmapFolder
extension_folder = os.path.split(os.path.realpath(extfilename))[0]
sys.path.append(extension_folder)
AddCatalog(os.path.join(extension_folder, "locale"))
AddBitmapFolder(os.path.join(extension_folder, "images"))
execfile(extfilename, locals())
def CheckUpdates(self):
if self.updateinfo_url is not None:
updateinfo = _("Fetching %s") % self.updateinfo_url
def updateinfoproc():
global updateinfo
try:
import urllib2
updateinfo = urllib2.urlopen(self.updateinfo_url, None).read()
except Exception:
updateinfo = _("update info unavailable.")
from threading import Thread
self.splash.SetText(text=updateinfo)
updateinfoThread = Thread(target=updateinfoproc)
updateinfoThread.start()
updateinfoThread.join(2)
self.splash.SetText(text=updateinfo)
def ImportModules(self):
global BeremizIDE
import BeremizIDE
def InstallExceptionHandler(self):
import version
import tempfile
logpath = tempfile.gettempdir()+os.sep+'Beremiz'
BeremizIDE.AddExceptHook(logpath, version.app_version)
def ShowUI(self):
self.frame = BeremizIDE.Beremiz(None, self.projectOpen, self.buildpath)
if self.splash:
self.splash.Close()
self.frame.Show()
def Start(self):
self.ProcessCommandLineArgs()
self.CreateApplication()
if __name__ == '__main__':
beremiz = BeremizIDELauncher()
beremiz.Start()