Beremiz_service.py
author Edouard Tisserant <edouard.tisserant@gmail.com>
Wed, 19 Jan 2022 08:51:45 +0100
changeset 3412 04c4835ca376
parent 3282 725d3e9ac913
child 3307 eeec6e0ea269
child 3420 da8cceaa247d
permissions -rwxr-xr-x
SVGHMI: Fixed support for frequency parsing in widget label
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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# Copyright (C) 2017: Andrey Skvortsov
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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from __future__ import absolute_import
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from __future__ import print_function
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import os
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import sys
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import getopt
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import threading
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import shlex
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import traceback
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from threading import Thread, Semaphore, Lock, currentThread
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from builtins import str as text
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from past.builtins import execfile
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from six.moves import builtins
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import runtime
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from runtime.PyroServer import PyroServer
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from runtime.xenomai import TryPreloadXenomai
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from runtime import LogMessageAndException
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from runtime import PlcStatus
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from runtime import default_evaluator
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from runtime.Stunnel import ensurePSK
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import util.paths as paths
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try:
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    from runtime.spawn_subprocess import Popen
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except ImportError:
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    from subprocess import Popen
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def version():
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    from version import app_version
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    print("Beremiz_service: ", app_version)
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def usage():
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    version()
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    print("""
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Usage of Beremiz PLC execution service :\n
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%s {[-n servicename] [-i IP] [-p port] [-x enabletaskbar] [-a autostart]|-h|--help} working_dir
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  -n  service name (default:None, zeroconf discovery disabled)
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  -i  IP address of interface to bind to (default:localhost)
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  -p  port number default:3000
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  -h  print this help text and quit
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  -a  autostart PLC (0:disable 1:enable) (default:0)
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  -x  enable/disable wxTaskbarIcon (0:disable 1:enable) (default:1)
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  -t  enable/disable Twisted web interface (0:disable 1:enable) (default:1)
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  -w  web server port or "off" to disable web server (default:8009)
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  -c  WAMP client config file (can be overriden by wampconf.json in project)
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  -s  PSK secret path (default:PSK disabled)
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  -e  python extension (absolute path .py)
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           working_dir - directory where are stored PLC files
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""" % sys.argv[0])
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try:
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    opts, argv = getopt.getopt(sys.argv[1:], "i:p:n:x:t:a:w:c:e:s:h", ["help", "version", "status-change=", "on-plc-start=", "on-plc-stop="])
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except getopt.GetoptError as err:
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    # print help information and exit:
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    print(str(err))  # will print something like "option -a not recognized"
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    usage()
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    sys.exit(2)
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# default values
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interface = ''
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port = 3000
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webport = 8009
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PSKpath = None
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wampconf = None
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servicename = None
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autostart = False
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enablewx = True
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havewx = False
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enabletwisted = True
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havetwisted = False
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extensions = []
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statuschange = []
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def status_change_call_factory(wanted, args):
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    def status_change_call(status):
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        if wanted is None or status is wanted:
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            cmd = shlex.split(args.format(status))
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            Popen(cmd)
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    return status_change_call
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for o, a in opts:
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    if o == "-h" or o == "--help":
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        usage()
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        sys.exit()
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    if o == "--version":
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        version()
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        sys.exit()
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    if o == "--on-plc-start":
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        statuschange.append(status_change_call_factory(PlcStatus.Started, a))
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    elif o == "--on-plc-stop":
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        statuschange.append(status_change_call_factory(PlcStatus.Stopped, a))
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    elif o == "--status-change":
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        statuschange.append(status_change_call_factory(None, a))
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    elif o == "-i":
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        if len(a.split(".")) == 4:
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            interface = a
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        elif a == "localhost":
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            interface = '127.0.0.1'
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        else:
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            usage()
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            sys.exit()
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    elif o == "-p":
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        # port: port that the service runs on
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        port = int(a)
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    elif o == "-n":
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        servicename = a
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    elif o == "-x":
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        enablewx = int(a)
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    elif o == "-t":
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        enabletwisted = int(a)
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    elif o == "-a":
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        autostart = int(a)
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    elif o == "-w":
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        webport = None if a == "off" else int(a)
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    elif o == "-c":
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        wampconf = None if a == "off" else a
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    elif o == "-s":
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        PSKpath = None if a == "off" else a
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    elif o == "-e":
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        fnameanddirname = list(os.path.split(os.path.realpath(a)))
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        fnameanddirname.reverse()
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        extensions.append(fnameanddirname)
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    else:
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        usage()
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        sys.exit()
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beremiz_dir = paths.AbsDir(__file__)
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if len(argv) > 1:
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    usage()
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    sys.exit()
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elif len(argv) == 1:
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    WorkingDir = argv[0]
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    os.chdir(WorkingDir)
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elif len(argv) == 0:
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    WorkingDir = os.getcwd()
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    argv = [WorkingDir]
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builtins.__dict__['_'] = lambda x: x
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# TODO: add a cmdline parameter if Trying Preloading Xenomai makes problem
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TryPreloadXenomai()
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version()
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def Bpath(*args):
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    return os.path.join(beremiz_dir, *args)
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def SetupI18n():
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    # Get folder containing translation files
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    localedir = os.path.join(beremiz_dir, "locale")
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    # Get the default language
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    langid = wx.LANGUAGE_DEFAULT
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    # Define translation domain (name of translation files)
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    domain = "Beremiz"
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    # Define locale for wx
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    loc = builtins.__dict__.get('loc', None)
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    if loc is None:
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        wx.LogGui.EnableLogging(False)
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        loc = wx.Locale(langid)
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        wx.LogGui.EnableLogging(True)
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        builtins.__dict__['loc'] = loc
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        # Define location for searching translation files
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    loc.AddCatalogLookupPathPrefix(localedir)
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    # Define locale domain
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    loc.AddCatalog(domain)
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    import locale
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    global default_locale
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    default_locale = locale.getdefaultlocale()[1]
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    # sys.stdout.encoding = default_locale
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    # if Beremiz_service is started from Beremiz IDE
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    # sys.stdout.encoding is None (that means 'ascii' encoding').
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    # And unicode string returned by wx.GetTranslation() are
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    # automatically converted to 'ascii' string.
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    def unicode_translation(message):
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        return wx.GetTranslation(message).encode(default_locale)
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    builtins.__dict__['_'] = unicode_translation
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    # builtins.__dict__['_'] = wx.GetTranslation
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# Life is hard... have a candy.
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# pylint: disable=wrong-import-position,wrong-import-order
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if enablewx:
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    try:
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        import wx
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        havewx = True
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    except ImportError:
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        print("Wx unavailable !")
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        havewx = False
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    if havewx:
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        import re
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        if wx.VERSION >= (3, 0, 0):
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            app = wx.App(redirect=False)
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        else:
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            app = wx.PySimpleApp(redirect=False)
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        app.SetTopWindow(wx.Frame(None, -1))
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        default_locale = None
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        SetupI18n()
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        defaulticon = wx.Image(Bpath("images", "brz.png"))
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        starticon = wx.Image(Bpath("images", "icoplay24.png"))
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        stopicon = wx.Image(Bpath("images", "icostop24.png"))
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        class ParamsEntryDialog(wx.TextEntryDialog):
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            def __init__(self, parent, message, caption=_("Please enter text"), defaultValue="",
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                         style=wx.OK | wx.CANCEL | wx.CENTRE, pos=wx.DefaultPosition):
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                wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
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                self.Tests = []
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                self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())
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            def OnOK(self, event):
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                value = self.GetValue()
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                texts = {"value": value}
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                for function, message in self.Tests:
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                    if not function(value):
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                        message = wx.MessageDialog(self, message % texts, _("Error"), wx.OK | wx.ICON_ERROR)
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                        message.ShowModal()
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                        message.Destroy()
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                        return
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                self.EndModal(wx.ID_OK)
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                event.Skip()
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            def GetValue(self):
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                return self.GetSizer().GetItem(1).GetWindow().GetValue()
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            def SetTests(self, tests):
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                self.Tests = tests
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        class BeremizTaskBarIcon(wx.TaskBarIcon):
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            TBMENU_START = wx.NewId()
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            TBMENU_STOP = wx.NewId()
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            TBMENU_CHANGE_NAME = wx.NewId()
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            TBMENU_CHANGE_PORT = wx.NewId()
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            TBMENU_CHANGE_INTERFACE = wx.NewId()
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            TBMENU_LIVE_SHELL = wx.NewId()
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            TBMENU_WXINSPECTOR = wx.NewId()
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            TBMENU_CHANGE_WD = wx.NewId()
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            TBMENU_QUIT = wx.NewId()
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            def __init__(self, pyroserver):
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                wx.TaskBarIcon.__init__(self)
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                self.pyroserver = pyroserver
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                # Set the image
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                self.UpdateIcon(None)
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                # bind some events
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                self.Bind(wx.EVT_MENU, self.OnTaskBarStartPLC, id=self.TBMENU_START)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarStopPLC, id=self.TBMENU_STOP)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarChangeName, id=self.TBMENU_CHANGE_NAME)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarChangeInterface, id=self.TBMENU_CHANGE_INTERFACE)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarLiveShell, id=self.TBMENU_LIVE_SHELL)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarWXInspector, id=self.TBMENU_WXINSPECTOR)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarChangePort, id=self.TBMENU_CHANGE_PORT)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarChangeWorkingDir, id=self.TBMENU_CHANGE_WD)
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                self.Bind(wx.EVT_MENU, self.OnTaskBarQuit, id=self.TBMENU_QUIT)
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            def CreatePopupMenu(self):
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                """
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                This method is called by the base class when it needs to popup
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                the menu for the default EVT_RIGHT_DOWN event.  Just create
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                the menu how you want it and return it from this function,
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                the base class takes care of the rest.
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                """
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                menu = wx.Menu()
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                menu.Append(self.TBMENU_START, _("Start PLC"))
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                menu.Append(self.TBMENU_STOP, _("Stop PLC"))
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                menu.AppendSeparator()
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                menu.Append(self.TBMENU_CHANGE_NAME, _("Change Name"))
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                menu.Append(self.TBMENU_CHANGE_INTERFACE, _("Change IP of interface to bind"))
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                menu.Append(self.TBMENU_CHANGE_PORT, _("Change Port Number"))
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                menu.Append(self.TBMENU_CHANGE_WD, _("Change working directory"))
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                menu.AppendSeparator()
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                menu.Append(self.TBMENU_LIVE_SHELL, _("Launch a live Python shell"))
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                menu.Append(self.TBMENU_WXINSPECTOR, _("Launch WX GUI inspector"))
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                menu.AppendSeparator()
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                menu.Append(self.TBMENU_QUIT, _("Quit"))
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                return menu
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            def MakeIcon(self, img):
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                """
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                The various platforms have different requirements for the
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                icon size...
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                """
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                if "wxMSW" in wx.PlatformInfo:
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                    img = img.Scale(16, 16)
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                elif "wxGTK" in wx.PlatformInfo:
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                    img = img.Scale(22, 22)
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                # wxMac can be any size upto 128x128, so leave the source img alone....
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                icon = wx.IconFromBitmap(img.ConvertToBitmap())
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                return icon
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            def OnTaskBarStartPLC(self, evt):
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                runtime.GetPLCObjectSingleton().StartPLC()
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            def OnTaskBarStopPLC(self, evt):
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                runtime.GetPLCObjectSingleton().StopPLC()
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            def OnTaskBarChangeInterface(self, evt):
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                ip_addr = self.pyroserver.ip_addr
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                ip_addr = '' if ip_addr is None else ip_addr
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                dlg = ParamsEntryDialog(None, _("Enter the IP of the interface to bind"), defaultValue=ip_addr)
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                dlg.SetTests([(re.compile(r'\d{1,3}(?:\.\d{1,3}){3}$').match, _("IP is not valid!")),
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                              (lambda x:len([x for x in x.split(".") if 0 <= int(x) <= 255]) == 4,
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                               _("IP is not valid!"))])
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                if dlg.ShowModal() == wx.ID_OK:
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   345
                    self.pyroserver.ip_addr = dlg.GetValue()
1887
1b9907ef770b Moved code from to Beremiz_service.py Server class Start method to Loop method to allow customisation by hot patching. Also renamed Stop method as _stop and use Restart instead of Stop from everywhere else to make it clear that _stop actually does restart...
Edouard Tisserant
parents: 1881
diff changeset
   346
                    self.pyroserver.Restart()
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   347
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   348
            def OnTaskBarChangePort(self, evt):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   349
                dlg = ParamsEntryDialog(None, _("Enter a port number "), defaultValue=str(self.pyroserver.port))
2450
5024c19ca8f0 python3 support: pylint, W1652 # (deprecated-types-field) Accessing a deprecated fields on the types module
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2443
diff changeset
   350
                dlg.SetTests([(text.isdigit, _("Port number must be an integer!")), (lambda port: 0 <= int(port) <= 65535, _("Port number must be 0 <= port <= 65535!"))])
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   351
                if dlg.ShowModal() == wx.ID_OK:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   352
                    self.pyroserver.port = int(dlg.GetValue())
1887
1b9907ef770b Moved code from to Beremiz_service.py Server class Start method to Loop method to allow customisation by hot patching. Also renamed Stop method as _stop and use Restart instead of Stop from everywhere else to make it clear that _stop actually does restart...
Edouard Tisserant
parents: 1881
diff changeset
   353
                    self.pyroserver.Restart()
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   354
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   355
            def OnTaskBarChangeWorkingDir(self, evt):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   356
                dlg = wx.DirDialog(None, _("Choose a working directory "), self.pyroserver.workdir, wx.DD_NEW_DIR_BUTTON)
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   357
                if dlg.ShowModal() == wx.ID_OK:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   358
                    self.pyroserver.workdir = dlg.GetPath()
1887
1b9907ef770b Moved code from to Beremiz_service.py Server class Start method to Loop method to allow customisation by hot patching. Also renamed Stop method as _stop and use Restart instead of Stop from everywhere else to make it clear that _stop actually does restart...
Edouard Tisserant
parents: 1881
diff changeset
   359
                    self.pyroserver.Restart()
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   360
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   361
            def OnTaskBarChangeName(self, evt):
2321
0a3103cd825d Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents: 2319
diff changeset
   362
                _servicename = self.pyroserver.servicename
0a3103cd825d Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents: 2319
diff changeset
   363
                _servicename = '' if _servicename is None else _servicename
0a3103cd825d Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents: 2319
diff changeset
   364
                dlg = ParamsEntryDialog(None, _("Enter a name "), defaultValue=_servicename)
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
   365
                dlg.SetTests([(lambda name: len(name) is not 0, _("Name must not be null!"))])
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   366
                if dlg.ShowModal() == wx.ID_OK:
1594
049b7144a710 fix issue with changing annonced Pyro service name via taskbar icon
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1593
diff changeset
   367
                    self.pyroserver.servicename = dlg.GetValue()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   368
                    self.pyroserver.Restart()
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   369
959
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   370
            def _LiveShellLocals(self):
2270
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   371
                return {"locals": runtime.GetPLCObjectSingleton().python_runtime_vars}
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   372
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   373
            def OnTaskBarLiveShell(self, evt):
959
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   374
                from wx import py
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   375
                frame = py.crust.CrustFrame(**self._LiveShellLocals())
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   376
                frame.Show()
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   377
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   378
            def OnTaskBarWXInspector(self, evt):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   379
                # Activate the widget inspection tool
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   380
                from wx.lib.inspection import InspectionTool
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   381
                if not InspectionTool().initialized:
959
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   382
                    InspectionTool().Init(**self._LiveShellLocals())
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   383
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   384
                wnd = wx.GetApp()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   385
                InspectionTool().Show(wnd, True)
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   386
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   387
            def OnTaskBarQuit(self, evt):
1121
d3838e8f1b90 Fixed Beremiz_service not closing on Windows
Laurent Bessard
parents: 1067
diff changeset
   388
                if wx.Platform == '__WXMSW__':
d3838e8f1b90 Fixed Beremiz_service not closing on Windows
Laurent Bessard
parents: 1067
diff changeset
   389
                    Thread(target=self.pyroserver.Quit).start()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   390
                self.RemoveIcon()
1121
d3838e8f1b90 Fixed Beremiz_service not closing on Windows
Laurent Bessard
parents: 1067
diff changeset
   391
                wx.CallAfter(wx.GetApp().ExitMainLoop)
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   392
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   393
            def UpdateIcon(self, plcstatus):
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2349
diff changeset
   394
                if plcstatus is PlcStatus.Started:
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   395
                    currenticon = self.MakeIcon(starticon)
2416
1ca207782dde Use predefined constants for PlcStatus instead of string literals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 2349
diff changeset
   396
                elif plcstatus is PlcStatus.Stopped:
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   397
                    currenticon = self.MakeIcon(stopicon)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   398
                else:
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   399
                    currenticon = self.MakeIcon(defaulticon)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   400
                self.SetIcon(currenticon, "Beremiz Service")
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   401
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   402
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   403
if not os.path.isdir(WorkingDir):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   404
    os.mkdir(WorkingDir)
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   405
1736
7e61baa047f0 clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1734
diff changeset
   406
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   407
if enabletwisted:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   408
    import warnings
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   409
    with warnings.catch_warnings():
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   410
        warnings.simplefilter("ignore")
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   411
        try:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   412
            if havewx:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   413
                from twisted.internet import wxreactor
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   414
                wxreactor.install()
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   415
            from twisted.internet import reactor
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   416
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   417
            havetwisted = True
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1773
diff changeset
   418
        except ImportError:
1826
91796f408540 fix usage of python2-only print statement
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1790
diff changeset
   419
            print(_("Twisted unavailable."))
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   420
            havetwisted = False
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   421
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   422
pyruntimevars = {}
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   423
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   424
if havetwisted:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   425
    if havewx:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   426
        reactor.registerWxApp(app)
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   427
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   428
twisted_reactor_thread_id = None
2492
7dd551ac2fa0 check_sources.sh makes me become even less productive
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2489
diff changeset
   429
ui_thread = None
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   430
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   431
if havewx:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   432
    wx_eval_lock = Semaphore(0)
835
8145be14a2ae Fixed runtime GUI freeze when stopping PLC from the menu. Added -x 2 argument to Beremiz_service.py to restrict content of systray icon menu.
Edouard Tisserant
parents: 719
diff changeset
   433
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   434
    def statuschangeTskBar(status):
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   435
        wx.CallAfter(taskbar_instance.UpdateIcon, status)
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   436
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   437
    statuschange.append(statuschangeTskBar)
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   438
867
06495975e8a4 Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
Edouard Tisserant
parents: 850
diff changeset
   439
    def wx_evaluator(obj, *args, **kwargs):
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   440
        tocall, args, kwargs = obj.call
867
06495975e8a4 Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
Edouard Tisserant
parents: 850
diff changeset
   441
        obj.res = default_evaluator(tocall, *args, **kwargs)
06495975e8a4 Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
Edouard Tisserant
parents: 850
diff changeset
   442
        wx_eval_lock.release()
1434
6e0cd0ceabb7 Added runtime side trace buffer, handled in a separate thread, limited to 1MB, and dropped after 3 seconds if not used by IDE. GetTraceVariables is not anymore blocking on next PLC cycle
Edouard Tisserant
parents: 1270
diff changeset
   443
867
06495975e8a4 Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
Edouard Tisserant
parents: 850
diff changeset
   444
    def evaluator(tocall, *args, **kwargs):
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   445
        # To prevent deadlocks, check if current thread is not one of the UI
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   446
        # UI threads can be either the one from WX main loop or
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   447
        # worker thread from twisted "threadselect" reactor
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   448
        current_id = currentThread().ident
2489
27e4fd37fea6 Fix previous commit : Using wx.CallAfter shouldn't have been necessary, and was a symptom of failing evaluator's deadlock detection.
Edouard Tisserant
parents: 2484
diff changeset
   449
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   450
        if ui_thread is not None \
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   451
            and ui_thread.ident != current_id \
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   452
            and (not havetwisted or (
2492
7dd551ac2fa0 check_sources.sh makes me become even less productive
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2489
diff changeset
   453
                    twisted_reactor_thread_id is not None
7dd551ac2fa0 check_sources.sh makes me become even less productive
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2489
diff changeset
   454
                    and twisted_reactor_thread_id != current_id)):
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   455
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   456
            o = type('', (object,), dict(call=(tocall, args, kwargs), res=None))
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   457
            wx.CallAfter(wx_evaluator, o)
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   458
            wx_eval_lock.acquire()
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   459
            return o.res
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   460
        else:
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   461
            # avoid dead lock if called from the wx mainloop
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   462
            return default_evaluator(tocall, *args, **kwargs)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   463
else:
2270
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   464
    evaluator = default_evaluator
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   465
1916
b69bea00765a Small pep8 conformity enforcement.
Edouard Tisserant
parents: 1907
diff changeset
   466
# Exception hooks
1736
7e61baa047f0 clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1734
diff changeset
   467
1906
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   468
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   469
def LogException(*exp):
1919
ccea0fa6ea91 Another set of meaningless changes to satisfy PEP8 and PyLint.
Edouard Tisserant
parents: 1916
diff changeset
   470
    LogMessageAndException("", exp)
1749
d73b64672238 clean-up: fix PEP8 E305 expected 2 blank lines after class or function definition
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1747
diff changeset
   471
1955
a1ea9856013a Attempt to make BitBuket's version of pep8 and pylint happy.
Edouard Tisserant
parents: 1953
diff changeset
   472
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   473
sys.excepthook = LogException
1736
7e61baa047f0 clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1734
diff changeset
   474
7e61baa047f0 clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1734
diff changeset
   475
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   476
def installThreadExcepthook():
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   477
    init_old = threading.Thread.__init__
1750
acf02488f37f clean-up: fix PEP8 E306 expected 1 blank line before a nested definition, found X
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1749
diff changeset
   478
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   479
    def init(self, *args, **kwargs):
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   480
        init_old(self, *args, **kwargs)
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   481
        run_old = self.run
1750
acf02488f37f clean-up: fix PEP8 E306 expected 1 blank line before a nested definition, found X
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1749
diff changeset
   482
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   483
        def run_with_except_hook(*args, **kw):
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   484
            try:
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   485
                run_old(*args, **kw)
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   486
            except (KeyboardInterrupt, SystemExit):
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   487
                raise
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1773
diff changeset
   488
            except Exception:
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   489
                sys.excepthook(*sys.exc_info())
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   490
        self.run = run_with_except_hook
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   491
    threading.Thread.__init__ = init
1749
d73b64672238 clean-up: fix PEP8 E305 expected 2 blank lines after class or function definition
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1747
diff changeset
   492
d73b64672238 clean-up: fix PEP8 E305 expected 2 blank lines after class or function definition
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1747
diff changeset
   493
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   494
installThreadExcepthook()
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   495
havewamp = False
1067
4f460c1dffb5 Added exception hook to Beremiz_service, so that exception go in PLC log. Extended Beremiz.py exception hook to threads. Stripped images embedded in Beremiz_service.py, user real images instead.
Edouard Tisserant
parents: 1051
diff changeset
   496
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   497
if havetwisted:
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
   498
    if webport is not None:
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   499
        try:
1872
866fb3ab8778 fix pylint error "(undefined-variable) Undefined variable 'X'"
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   500
            import runtime.NevowServer as NS  # pylint: disable=ungrouped-imports
2669
be233279d179 BACnet and Modbus: Remove additional loading and unloading, use the one already in place for extensions.
Edouard Tisserant
parents: 2659
diff changeset
   501
            NS.WorkingDir = WorkingDir
2216
8ae29ec2d1dc Fix misc typos in exception handling code.
Edouard Tisserant
parents: 2213
diff changeset
   502
        except Exception:
2213
73b7034693b9 Better logging of Nevow Server import in case of exception.
Edouard Tisserant
parents: 2212
diff changeset
   503
            LogMessageAndException(_("Nevow/Athena import failed :"))
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   504
            webport = None
2669
be233279d179 BACnet and Modbus: Remove additional loading and unloading, use the one already in place for extensions.
Edouard Tisserant
parents: 2659
diff changeset
   505
2220
985f234b0d09 Moved Wamp configuration file selection logic into runtime/wampclient.py. Added Wamp CRA secret file upload and download. Slightly reworked code for config and secret file loading and saving.
Edouard Tisserant
parents: 2216
diff changeset
   506
    try:
985f234b0d09 Moved Wamp configuration file selection logic into runtime/wampclient.py. Added Wamp CRA secret file upload and download. Slightly reworked code for config and secret file loading and saving.
Edouard Tisserant
parents: 2216
diff changeset
   507
        import runtime.WampClient as WC  # pylint: disable=ungrouped-imports
985f234b0d09 Moved Wamp configuration file selection logic into runtime/wampclient.py. Added Wamp CRA secret file upload and download. Slightly reworked code for config and secret file loading and saving.
Edouard Tisserant
parents: 2216
diff changeset
   508
        WC.WorkingDir = WorkingDir
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   509
        havewamp = True
2220
985f234b0d09 Moved Wamp configuration file selection logic into runtime/wampclient.py. Added Wamp CRA secret file upload and download. Slightly reworked code for config and secret file loading and saving.
Edouard Tisserant
parents: 2216
diff changeset
   510
    except Exception:
985f234b0d09 Moved Wamp configuration file selection logic into runtime/wampclient.py. Added Wamp CRA secret file upload and download. Slightly reworked code for config and secret file loading and saving.
Edouard Tisserant
parents: 2216
diff changeset
   511
        LogMessageAndException(_("WAMP import failed :"))
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   512
1437
04177743b066 Added Beremiz_service.py command line switch to load python extention for runtime independently from PLC program
Edouard Tisserant
parents: 1434
diff changeset
   513
# Load extensions
1905
87c908079bc6 Changed way to deal with extensions arguments (-e) so that path and filename are stored independently and accessible for extensions themselves.
Edouard Tisserant
parents: 1901
diff changeset
   514
for extention_file, extension_folder in extensions:
1437
04177743b066 Added Beremiz_service.py command line switch to load python extention for runtime independently from PLC program
Edouard Tisserant
parents: 1434
diff changeset
   515
    sys.path.append(extension_folder)
1905
87c908079bc6 Changed way to deal with extensions arguments (-e) so that path and filename are stored independently and accessible for extensions themselves.
Edouard Tisserant
parents: 1901
diff changeset
   516
    execfile(os.path.join(extension_folder, extention_file), locals())
1437
04177743b066 Added Beremiz_service.py command line switch to load python extention for runtime independently from PLC program
Edouard Tisserant
parents: 1434
diff changeset
   517
2323
33a0dbabccd3 Runtime : Ensure that a random PSK secret compatible with stunnel is generated if -s commandline switch is used. Stunnel service is restarted after generation, using spawn_subprocess. TODO : give stunnel restart command as a commandline parameter.
Edouard Tisserant
parents: 2321
diff changeset
   518
# Service name is used as an ID for stunnel's PSK
33a0dbabccd3 Runtime : Ensure that a random PSK secret compatible with stunnel is generated if -s commandline switch is used. Stunnel service is restarted after generation, using spawn_subprocess. TODO : give stunnel restart command as a commandline parameter.
Edouard Tisserant
parents: 2321
diff changeset
   519
# Some extension may set 'servicename' to a computed ID or Serial Number
33a0dbabccd3 Runtime : Ensure that a random PSK secret compatible with stunnel is generated if -s commandline switch is used. Stunnel service is restarted after generation, using spawn_subprocess. TODO : give stunnel restart command as a commandline parameter.
Edouard Tisserant
parents: 2321
diff changeset
   520
# instead of using commandline '-n'
2324
1cf3768ebf85 Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents: 2323
diff changeset
   521
if servicename is not None and PSKpath is not None:
1cf3768ebf85 Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents: 2323
diff changeset
   522
    ensurePSK(servicename, PSKpath)
2270
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   523
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   524
runtime.CreatePLCObjectSingleton(
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   525
    WorkingDir, argv, statuschange, evaluator, pyruntimevars)
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   526
2476
1881d0ff5ae2 PyroServer: fixed naming of class, and reorganized methods in order to ease subclassing, in case of customization of service publication on the local network (i.e. zeroconf)
Edouard Tisserant
parents: 2459
diff changeset
   527
pyroserver = PyroServer(servicename, interface, port)
2270
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   528
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   529
if havewx:
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   530
    taskbar_instance = BeremizTaskBarIcon(pyroserver)
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   531
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   532
if havetwisted:
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
   533
    if webport is not None:
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   534
        try:
2311
bef2b4b87370 Beremiz_service now binds both pyro and nevow ports to interface given with '-i' argument.
Edouard Tisserant
parents: 2305
diff changeset
   535
            website = NS.RegisterWebsite(interface, webport)
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   536
            pyruntimevars["website"] = website
2210
81949104291d Nevow based web interface now show simple Log message sending form for basic runtime, and allow extensions to add their own web settings.
Edouard Tisserant
parents: 2018
diff changeset
   537
            NS.SetServer(pyroserver)
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   538
            statuschange.append(NS.website_statuslistener_factory(website))
1906
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   539
        except Exception:
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   540
            LogMessageAndException(_("Nevow Web service failed. "))
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   541
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   542
    if havewamp:
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   543
        try:
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   544
            WC.SetServer(pyroserver)
2324
1cf3768ebf85 Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents: 2323
diff changeset
   545
            WC.RegisterWampClient(wampconf, PSKpath)
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   546
            WC.RegisterWebSettings(NS)
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   547
        except Exception:
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   548
            LogMessageAndException(_("WAMP client startup failed. "))
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   549
3248
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   550
def FirstWorkerJob():
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   551
    """
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   552
    RPC through pyro/wamp/UI may lead to delegation to Worker,
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   553
    then this function ensures that Worker is already
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   554
    created when pyro starts
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   555
    """
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   556
    global pyro_thread, pyroserver, ui_thread, reactor, twisted_reactor_thread_id
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   557
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   558
    pyro_thread_started = Lock()
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   559
    pyro_thread_started.acquire()
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   560
    pyro_thread = Thread(target=pyroserver.PyroLoop,
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   561
                         kwargs=dict(when_ready=pyro_thread_started.release),
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   562
                         name="PyroThread")
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   563
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   564
    pyro_thread.start()
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   565
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   566
    # Wait for pyro thread to be effective
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   567
    pyro_thread_started.acquire()
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   568
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   569
    pyroserver.PrintServerInfo()
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   570
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   571
    # Beremiz IDE detects LOCAL:// runtime is ready by looking
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   572
    # for self.workdir in the daemon's stdout.
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   573
    sys.stdout.write(_("Current working directory :") + WorkingDir + "\n")
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   574
    sys.stdout.flush()
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   575
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   576
    if not (havetwisted or havewx):
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   577
        return
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   578
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   579
    ui_thread_started = Lock()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   580
    ui_thread_started.acquire()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   581
    if havetwisted:
1984
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   582
        # reactor._installSignalHandlersAgain()
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   583
        def ui_thread_target():
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   584
            # FIXME: had to disable SignaHandlers install because
1984
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   585
            # signal not working in non-main thread
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   586
            reactor.run(installSignalHandlers=False)
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   587
    else:
1984
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   588
        ui_thread_target = app.MainLoop
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   589
2600
0e20a0d48fae Named runtime's threads to ease debugging
Edouard Tisserant
parents: 2595
diff changeset
   590
    ui_thread = Thread(target=ui_thread_target, name="UIThread")
1984
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   591
    ui_thread.start()
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   592
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   593
    # This order ui loop to unblock main thread when ready.
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   594
    if havetwisted:
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   595
        def signal_uithread_started():
2489
27e4fd37fea6 Fix previous commit : Using wx.CallAfter shouldn't have been necessary, and was a symptom of failing evaluator's deadlock detection.
Edouard Tisserant
parents: 2484
diff changeset
   596
            global twisted_reactor_thread_id
2484
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   597
            twisted_reactor_thread_id = currentThread().ident
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   598
            ui_thread_started.release()
2318a7cde101 Fixed deadlock when using Wx together with Twisted in runtime.
Edouard Tisserant
parents: 2476
diff changeset
   599
        reactor.callLater(0, signal_uithread_started)
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   600
    else:
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   601
        wx.CallAfter(ui_thread_started.release)
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   602
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   603
    # Wait for ui thread to be effective
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   604
    ui_thread_started.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   605
    print("UI thread started successfully.")
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   606
3248
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   607
    runtime.GetPLCObjectSingleton().AutoLoad(autostart)
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   608
1984
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   609
try:
3248
ea93c14342d1 Runtime: Fix exception "Worker is disabled" when connecting while PLC runtime is starting.
Edouard Tisserant
parents: 2669
diff changeset
   610
    runtime.MainWorker.runloop(FirstWorkerJob)
1984
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   611
except KeyboardInterrupt:
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   612
    pass
081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant
parents: 1955
diff changeset
   613
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   614
pyroserver.Quit()
2601
9c5b20dc2b2e Enure that all threads are joined before trying to exit
Edouard Tisserant
parents: 2600
diff changeset
   615
pyro_thread.join()
2270
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   616
2669
be233279d179 BACnet and Modbus: Remove additional loading and unloading, use the one already in place for extensions.
Edouard Tisserant
parents: 2659
diff changeset
   617
plcobj = runtime.GetPLCObjectSingleton()
3282
725d3e9ac913 Runtime: Handle errors in user's python code more gracefully : make exceptions and allow repair.
Edouard Tisserant
parents: 3248
diff changeset
   618
try:
725d3e9ac913 Runtime: Handle errors in user's python code more gracefully : make exceptions and allow repair.
Edouard Tisserant
parents: 3248
diff changeset
   619
    plcobj.StopPLC()
725d3e9ac913 Runtime: Handle errors in user's python code more gracefully : make exceptions and allow repair.
Edouard Tisserant
parents: 3248
diff changeset
   620
    plcobj.UnLoadPLC()
725d3e9ac913 Runtime: Handle errors in user's python code more gracefully : make exceptions and allow repair.
Edouard Tisserant
parents: 3248
diff changeset
   621
except:
725d3e9ac913 Runtime: Handle errors in user's python code more gracefully : make exceptions and allow repair.
Edouard Tisserant
parents: 3248
diff changeset
   622
    print(traceback.format_exc())
2270
d9175daf6522 Refactoring. Separated PLC Object, PYRO Server and MainWorker :
Edouard Tisserant
parents: 2249
diff changeset
   623
2595
a0d2741a6722 Ensure Beremiz_service.py quits properly when Main Worker stops and wa are using Wx and/or Twisted.
Edouard Tisserant
parents: 2585
diff changeset
   624
if havetwisted:
a0d2741a6722 Ensure Beremiz_service.py quits properly when Main Worker stops and wa are using Wx and/or Twisted.
Edouard Tisserant
parents: 2585
diff changeset
   625
    reactor.stop()
2601
9c5b20dc2b2e Enure that all threads are joined before trying to exit
Edouard Tisserant
parents: 2600
diff changeset
   626
    ui_thread.join()
2595
a0d2741a6722 Ensure Beremiz_service.py quits properly when Main Worker stops and wa are using Wx and/or Twisted.
Edouard Tisserant
parents: 2585
diff changeset
   627
elif havewx:
a0d2741a6722 Ensure Beremiz_service.py quits properly when Main Worker stops and wa are using Wx and/or Twisted.
Edouard Tisserant
parents: 2585
diff changeset
   628
    app.ExitMainLoop()
2601
9c5b20dc2b2e Enure that all threads are joined before trying to exit
Edouard Tisserant
parents: 2600
diff changeset
   629
    ui_thread.join()
2595
a0d2741a6722 Ensure Beremiz_service.py quits properly when Main Worker stops and wa are using Wx and/or Twisted.
Edouard Tisserant
parents: 2585
diff changeset
   630
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   631
sys.exit(0)