HGKeeper

#!/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.

# 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.

from __future__ import absolute_import

from __future__ import print_function

import os

import sys

import getopt

from past.builtins import execfile

import wx

from wx.lib.agw.advancedsplash import AdvancedSplash, AS_NOTIMEOUT, AS_CENTER_ON_SCREEN

import util.paths as paths

class BeremizIDELauncher(object):

def __init__(self):

self.app = None

self.frame = None

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")

self.modules = ["BeremizIDE"]

self.debug = os.path.exists("BEREMIZ_DEBUG")

self.handle_exception = None

def Bpath(self, *args):

return os.path.join(self.app_dir, *args)

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("")

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):

BeremizAppType = wx.App if wx.VERSION >= (3, 0, 0) else wx.PySimpleApp

class BeremizApp(BeremizAppType):

def OnInit(_self): # pylint: disable=no-self-argument

self.ShowSplashScreen()

return True

self.app = BeremizApp(redirect=self.debug)

self.app.SetAppName('beremiz')

if wx.VERSION < (3, 0, 0):

wx.InitAllImageHandlers()

def ShowSplashScreen(self):

class Splash(AdvancedSplash):

Painted = False

def OnPaint(_self, event): # pylint: disable=no-self-argument

AdvancedSplash.OnPaint(_self, event)

if not _self.Painted: # trigger app start only once

_self.Painted = True

wx.CallAfter(self.AppStart)

bmp = wx.Image(self.splashPath).ConvertToBitmap()

self.splash = Splash(None,

bitmap=bmp,

agwStyle=AS_NOTIMEOUT | AS_CENTER_ON_SCREEN)

def BackgroundInitialization(self):

self.InitI18n()

self.CheckUpdates()

self.LoadExtensions()

self.ImportModules()

def InitI18n(self):

from util.misc import InstallLocalRessources

InstallLocalRessources(self.app_dir)

def globals(self):

"""

allows customizations to specify what globals

are passed to extensions

"""

return globals()

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, self.globals())

def CheckUpdates(self):

if self.updateinfo_url is not None:

self.updateinfo = _("Fetching %s") % self.updateinfo_url

def updateinfoproc():

try:

import urllib2

self.updateinfo = urllib2.urlopen(self.updateinfo_url, None).read()

except Exception:

self.updateinfo = _("update info unavailable.")

from threading import Thread

self.splash.SetText(text=self.updateinfo)

updateinfoThread = Thread(target=updateinfoproc)

updateinfoThread.start()

updateinfoThread.join(2)

self.splash.SetText(text=self.updateinfo)

def ImportModules(self):

for modname in self.modules:

mod = __import__(modname)

setattr(self, modname, mod)

def InstallExceptionHandler(self):

import version

import util.ExceptionHandler

self.handle_exception = util.ExceptionHandler.AddExceptHook(version.app_version)

def CreateUI(self):

self.frame = self.BeremizIDE.Beremiz(None, self.projectOpen, self.buildpath)

def CloseSplash(self):

if self.splash:

self.splash.Close()

def ShowUI(self):

self.frame.Show()

def PreStart(self):

self.ProcessCommandLineArgs()

self.CreateApplication()

def AppStart(self):

try:

self.BackgroundInitialization()

self.CreateUI()

self.CloseSplash()

self.ShowUI()

except (KeyboardInterrupt, SystemExit):

raise

except Exception:

if self.handle_exception is not None:

self.handle_exception(*sys.exc_info(), exit=True)

else:

raise

def MainLoop(self):

self.app.MainLoop()

def Start(self):

self.PreStart()

self.InstallExceptionHandler()

self.MainLoop()

if __name__ == '__main__':

beremiz = BeremizIDELauncher()

beremiz.Start()