Beremiz_service.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Sat, 29 Sep 2018 17:52:33 +0300
changeset 2405 af050469fc5c
parent 2349 645eb1bce0a5
child 2416 1ca207782dde
permissions -rwxr-xr-x
clean etherlab: pylint, W1618 # (no-absolute-import) import missing `from __future__ import absolute_import`
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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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from threading import Thread, Semaphore, Lock
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import traceback
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import __builtin__
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import Pyro
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import Pyro.core as pyro
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081265cda5b1 Intermediate state while implementing runtime worker to ensure that PLCObject Load and Unload methods always run main thread.
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from runtime import PLCObject, ServicePublisher, MainWorker
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from runtime.xenomai import TryPreloadXenomai
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import util.paths as paths
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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  zeroconf service name (default: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  WAMP client secret, given as a file (can be overriden by wamp.secret in project)
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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"])
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except getopt.GetoptError, 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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given_ip = None
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port = 3000
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webport = 8009
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wampsecret = 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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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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    elif o == "-i":
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        if len(a.split(".")) == 4 or a == "localhost":
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            given_ip = a
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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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        wampsecret = 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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if __name__ == '__main__':
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    __builtin__.__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 = __builtin__.__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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        __builtin__.__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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    if __name__ == '__main__':
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        __builtin__.__dict__['_'] = unicode_translation
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        # __builtin__.__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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        from types import *
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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, level):
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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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                self.level = level
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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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                if self.level == 1:
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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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                if self.pyroserver.plcobj is not None:
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                    plcstatus = self.pyroserver.plcobj.GetPLCstatus()[0]
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                    if plcstatus is "Stopped":
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                        self.pyroserver.plcobj.StartPLC()
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                    else:
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                        print(_("PLC is empty or already started."))
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            def OnTaskBarStopPLC(self, evt):
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                if self.pyroserver.plcobj is not None:
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                    if self.pyroserver.plcobj.GetPLCstatus()[0] == "Started":
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                        Thread(target=self.pyroserver.plcobj.StopPLC).start()
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                    else:
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                        print(_("PLC is not started."))
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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('\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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                    self.pyroserver.ip_addr = dlg.GetValue()
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                    self.pyroserver.Restart()
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            def OnTaskBarChangePort(self, evt):
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                dlg = ParamsEntryDialog(None, _("Enter a port number "), defaultValue=str(self.pyroserver.port))
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                dlg.SetTests([(UnicodeType.isdigit, _("Port number must be an integer!")), (lambda port: 0 <= int(port) <= 65535, _("Port number must be 0 <= port <= 65535!"))])
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                if dlg.ShowModal() == wx.ID_OK:
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                    self.pyroserver.port = int(dlg.GetValue())
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                    self.pyroserver.Restart()
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            def OnTaskBarChangeWorkingDir(self, evt):
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                dlg = wx.DirDialog(None, _("Choose a working directory "), self.pyroserver.workdir, wx.DD_NEW_DIR_BUTTON)
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                if dlg.ShowModal() == wx.ID_OK:
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                    self.pyroserver.workdir = dlg.GetPath()
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                    self.pyroserver.Restart()
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            def OnTaskBarChangeName(self, evt):
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                servicename = self.pyroserver.servicename
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                servicename = '' if servicename is None else servicename
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                dlg = ParamsEntryDialog(None, _("Enter a name "), defaultValue=servicename)
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                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
   355
                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
   356
                    self.pyroserver.servicename = dlg.GetValue()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   357
                    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
   358
959
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   359
            def _LiveShellLocals(self):
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   360
                if self.pyroserver.plcobj is not None:
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   361
                    return {"locals": self.pyroserver.plcobj.python_runtime_vars}
959
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   362
                else:
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   363
                    return {}
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
   364
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   365
            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
   366
                from wx import py
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   367
                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
   368
                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
   369
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   370
            def OnTaskBarWXInspector(self, evt):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   371
                # Activate the widget inspection tool
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   372
                from wx.lib.inspection import InspectionTool
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   373
                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
   374
                    InspectionTool().Init(**self._LiveShellLocals())
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   375
046aeae0d71c Python shell and wx inspector now both available even when PLC not started
Edouard Tisserant
parents: 867
diff changeset
   376
                wnd = wx.GetApp()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   377
                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
   378
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   379
            def OnTaskBarQuit(self, evt):
1121
d3838e8f1b90 Fixed Beremiz_service not closing on Windows
Laurent Bessard
parents: 1067
diff changeset
   380
                if wx.Platform == '__WXMSW__':
d3838e8f1b90 Fixed Beremiz_service not closing on Windows
Laurent Bessard
parents: 1067
diff changeset
   381
                    Thread(target=self.pyroserver.Quit).start()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   382
                self.RemoveIcon()
1121
d3838e8f1b90 Fixed Beremiz_service not closing on Windows
Laurent Bessard
parents: 1067
diff changeset
   383
                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
   384
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   385
            def UpdateIcon(self, plcstatus):
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
   386
                if plcstatus is "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
   387
                    currenticon = self.MakeIcon(starticon)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   388
                elif plcstatus is "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
   389
                    currenticon = self.MakeIcon(stopicon)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   390
                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
   391
                    currenticon = self.MakeIcon(defaulticon)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   392
                self.SetIcon(currenticon, "Beremiz Service")
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   393
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   394
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   395
if not os.path.isdir(WorkingDir):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   396
    os.mkdir(WorkingDir)
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   397
1736
7e61baa047f0 clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1734
diff changeset
   398
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
   399
def 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
   400
    try:
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   401
        res = (tocall(*args, **kwargs), None)
1051
847d68c3e7ff Extended exception info from evaluator. Problems in python runtime init/cleanup code now more readable
Edouard Tisserant
parents: 1049
diff changeset
   402
    except Exception:
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   403
        res = (None, sys.exc_info())
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
   404
    return res
641
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
1831
56b48961cc68 fix (old-style-class) Old-style class defined error for most parts of
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1829
diff changeset
   407
class Server(object):
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   408
    def __init__(self, servicename, ip_addr, port,
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
   409
                 workdir, argv,
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   410
                 statuschange=None, evaluator=default_evaluator,
1458
5c87045af670 Fixed leftover typo
Edouard Tisserant
parents: 1453
diff changeset
   411
                 pyruntimevars=None):
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   412
        self.continueloop = True
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   413
        self.daemon = None
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   414
        self.servicename = servicename
644
b511cab580eb Better naming of IP address related variables in Beremiz_service.py, Ignore errors that occur on shutdown in Zeroconf.py, fixed discovery dialog crash due to asynchronous call from zeroconf
Edouard Tisserant
parents: 641
diff changeset
   415
        self.ip_addr = ip_addr
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   416
        self.port = port
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   417
        self.workdir = workdir
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   418
        self.argv = argv
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   419
        self.servicepublisher = None
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   420
        self.statuschange = statuschange
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   421
        self.evaluator = evaluator
1458
5c87045af670 Fixed leftover typo
Edouard Tisserant
parents: 1453
diff changeset
   422
        self.pyruntimevars = pyruntimevars
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   423
        self.plcobj = PLCObject(self)
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
   424
1987
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   425
    def _to_be_published(self):
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   426
        return self.servicename is not None and \
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   427
               self.ip_addr is not None and \
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   428
               self.ip_addr != "localhost" and \
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   429
               self.ip_addr != "127.0.0.1"
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   430
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   431
    def PrintServerInfo(self):
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   432
        print(_("Pyro port :"), self.port)
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   433
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   434
        # Beremiz IDE detects LOCAL:// runtime is ready by looking
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   435
        # for self.workdir in the daemon's stdout.
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   436
        print(_("Current working directory :"), self.workdir)
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   437
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   438
        if self._to_be_published():
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   439
            print(_("Publishing service on local network"))
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   440
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   441
        sys.stdout.flush()
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   442
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   443
    def PyroLoop(self, when_ready):
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   444
        while self.continueloop:
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   445
            Pyro.config.PYRO_MULTITHREADED = 0
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
   446
            pyro.initServer()
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
   447
            self.daemon = pyro.Daemon(host=self.ip_addr, port=self.port)
1987
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   448
1901
e8cf68d69447 Enforced check_source.sh pep8 and pylint rules.
Edouard Tisserant
parents: 1900
diff changeset
   449
            # pyro never frees memory after connection close if no timeout set
1929
ed95aa627647 Fixed pyro timeout for runtime, was set too short and runtime was disconnecting when building PLC
Edouard Tisserant
parents: 1919
diff changeset
   450
            # taking too small timeout value may cause
ed95aa627647 Fixed pyro timeout for runtime, was set too short and runtime was disconnecting when building PLC
Edouard Tisserant
parents: 1919
diff changeset
   451
            # unwanted diconnection when IDE is kept busy for long periods
1953
5736d25bb393 PEP8 and PyLint conformance: whitespaces and stuff
Edouard Tisserant
parents: 1934
diff changeset
   452
            self.daemon.setTimeout(60)
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
   453
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   454
            self.daemon.connect(self.plcobj, "PLCObject")
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
   455
1987
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   456
            if self._to_be_published():
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
   457
                self.servicepublisher = ServicePublisher.ServicePublisher()
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
   458
                self.servicepublisher.RegisterService(self.servicename, self.ip_addr, self.port)
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
   459
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   460
            when_ready()
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
   461
            self.daemon.requestLoop()
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
   462
            self.daemon.sock.close()
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
   463
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   464
    def Restart(self):
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
   465
        self._stop()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   466
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   467
    def Quit(self):
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   468
        self.continueloop = False
1045
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1034
diff changeset
   469
        if self.plcobj is not None:
1596
f5868f866d2b stop PLC before unloading
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1595
diff changeset
   470
            self.plcobj.StopPLC()
1045
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1034
diff changeset
   471
            self.plcobj.UnLoadPLC()
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
   472
        self._stop()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   473
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
   474
    def _stop(self):
1045
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1034
diff changeset
   475
        if self.plcobj is not None:
a220a27defe5 Runtime now unloads and cleanup PLC before exit (created threads was preventing exit)
Edouard Tisserant
parents: 1034
diff changeset
   476
            self.plcobj.StopPLC()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   477
        if self.servicepublisher is not None:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   478
            self.servicepublisher.UnRegisterService()
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   479
            self.servicepublisher = None
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   480
        self.daemon.shutdown(True)
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   481
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   482
    def AutoLoad(self):
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   483
        self.plcobj.AutoLoad()
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   484
        if self.plcobj.GetPLCstatus()[0] == "Stopped":
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   485
            if autostart:
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   486
                self.plcobj.StartPLC()
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   487
        self.plcobj.StatusChange()
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   488
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
   489
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   490
if enabletwisted:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   491
    import warnings
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   492
    with warnings.catch_warnings():
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   493
        warnings.simplefilter("ignore")
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   494
        try:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   495
            if havewx:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   496
                from twisted.internet import wxreactor
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   497
                wxreactor.install()
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   498
            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
   499
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   500
            havetwisted = True
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1773
diff changeset
   501
        except ImportError:
1826
91796f408540 fix usage of python2-only print statement
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1790
diff changeset
   502
            print(_("Twisted unavailable."))
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   503
            havetwisted = False
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   504
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   505
pyruntimevars = {}
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   506
statuschange = []
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   507
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   508
if havetwisted:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   509
    if havewx:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   510
        reactor.registerWxApp(app)
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   511
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   512
if havewx:
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   513
    wx_eval_lock = Semaphore(0)
2249
602fdd08dfab More pylint+pep8 conformance
Edouard Tisserant
parents: 2245
diff changeset
   514
    # FIXME : beware wx mainloop is _not_ running in main thread
2018
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   515
    # main_thread = currentThread()
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
   516
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   517
    def statuschangeTskBar(status):
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1739
diff changeset
   518
        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
   519
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   520
    statuschange.append(statuschangeTskBar)
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   521
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
   522
    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
   523
        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
   524
        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
   525
        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
   526
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
   527
    def evaluator(tocall, *args, **kwargs):
2249
602fdd08dfab More pylint+pep8 conformance
Edouard Tisserant
parents: 2245
diff changeset
   528
        # FIXME : should implement anti-deadlock
2018
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   529
        # if main_thread == currentThread():
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   530
        #     # avoid dead lock if called from the wx mainloop
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   531
        #     return default_evaluator(tocall, *args, **kwargs)
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   532
        # else:
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   533
        o = type('', (object,), dict(call=(tocall, args, kwargs), res=None))
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   534
        wx.CallAfter(wx_evaluator, o)
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   535
        wx_eval_lock.acquire()
983c482f8e42 Commented out safety check to prevent deadlock in wxEvaluator, since wx Mainloop is not anymore in main thread. That safety check actually leads to having wx code running outside of MainLoop
Edouard Tisserant
parents: 2002
diff changeset
   536
        return o.res
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
   537
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   538
    pyroserver = Server(servicename, given_ip, port,
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
   539
                        WorkingDir, argv,
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   540
                        statuschange, evaluator, pyruntimevars)
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   541
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
   542
    taskbar_instance = BeremizTaskBarIcon(pyroserver, enablewx)
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   543
else:
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   544
    pyroserver = Server(servicename, given_ip, port,
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
   545
                        WorkingDir, argv,
1438
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   546
                        statuschange, pyruntimevars=pyruntimevars)
19ebe96b41c0 Moved twisted/nevow/athena away from Berermiz_service.py + some minor cleanup
Edouard Tisserant
parents: 1437
diff changeset
   547
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   548
1916
b69bea00765a Small pep8 conformity enforcement.
Edouard Tisserant
parents: 1907
diff changeset
   549
# 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
   550
1906
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   551
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   552
def LogMessageAndException(msg, exp=None):
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   553
    if exp is None:
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   554
        exp = sys.exc_info()
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   555
    if pyroserver.plcobj is not None:
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   556
        pyroserver.plcobj.LogMessage(0, msg + '\n'.join(traceback.format_exception(*exp)))
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   557
    else:
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   558
        print(msg)
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   559
        traceback.print_exception(*exp)
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   560
1916
b69bea00765a Small pep8 conformity enforcement.
Edouard Tisserant
parents: 1907
diff changeset
   561
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
   562
def LogException(*exp):
1919
ccea0fa6ea91 Another set of meaningless changes to satisfy PEP8 and PyLint.
Edouard Tisserant
parents: 1916
diff changeset
   563
    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
   564
1955
a1ea9856013a Attempt to make BitBuket's version of pep8 and pylint happy.
Edouard Tisserant
parents: 1953
diff changeset
   565
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
   566
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
   567
7e61baa047f0 clean-up: fix PEP8 E302 expected 2 blank lines, found 1
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1734
diff changeset
   568
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
   569
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
   570
    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
   571
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
   572
    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
   573
        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
   574
        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
   575
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
   576
        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
   577
            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
   578
                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
   579
            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
   580
                raise
1780
c52d1460cea8 clean-up: fix PEP8 E722 do not use bare except'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1773
diff changeset
   581
            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
   582
                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
   583
        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
   584
    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
   585
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
   586
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
   587
installThreadExcepthook()
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   588
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
   589
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   590
if havetwisted:
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
   591
    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
   592
        try:
1872
866fb3ab8778 fix pylint error "(undefined-variable) Undefined variable 'X'"
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1850
diff changeset
   593
            import runtime.NevowServer as NS  # pylint: disable=ungrouped-imports
2216
8ae29ec2d1dc Fix misc typos in exception handling code.
Edouard Tisserant
parents: 2213
diff changeset
   594
        except Exception:
2213
73b7034693b9 Better logging of Nevow Server import in case of exception.
Edouard Tisserant
parents: 2212
diff changeset
   595
            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
   596
            webport = None
1453
f31353cac197 Fixed Nevow website startup
Edouard Tisserant
parents: 1451
diff changeset
   597
        NS.WorkingDir = WorkingDir
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   598
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
   599
    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
   600
        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
   601
        WC.WorkingDir = WorkingDir
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   602
        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
   603
    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
   604
        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
   605
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
   606
# 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
   607
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
   608
    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
   609
    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
   610
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   611
if havetwisted:
1739
ec153828ded2 clean-up: fix PEP8 E203 whitespace before ':' and whitespace before ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
   612
    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
   613
        try:
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   614
            website = NS.RegisterWebsite(webport)
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   615
            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
   616
            NS.SetServer(pyroserver)
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   617
            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
   618
        except Exception:
60edd0c901f1 Trying to get better logging/display of exceptions at runtime's startup
Edouard Tisserant
parents: 1905
diff changeset
   619
            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
   620
2222
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   621
    if havewamp:
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   622
        try:
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   623
            WC.SetServer(pyroserver)
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   624
            WC.RegisterWampClient(wampconf, wampsecret)
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   625
            WC.RegisterWebSettings(NS)
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   626
        except Exception:
8ac0f1af5589 WAMP : complains about failure to start WAMP only if it was successfully imported.
Edouard Tisserant
parents: 2221
diff changeset
   627
            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
   628
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   629
pyro_thread_started = Lock()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   630
pyro_thread_started.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   631
pyro_thread = Thread(target=pyroserver.PyroLoop,
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   632
                     kwargs=dict(when_ready=pyro_thread_started.release))
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
   633
pyro_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
   634
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   635
# Wait for pyro thread to be effective
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   636
pyro_thread_started.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   637
1987
8d1aca3c9e83 Fixed implementation of runtime worker that ensure that PLCObject Load and Unload methods always run main thread.
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 1984
diff changeset
   638
pyroserver.PrintServerInfo()
1446
4963e3816641 Split runtime's twisted modules import and setup to ease runtime extensions hotpatching
Edouard Tisserant
parents: 1439
diff changeset
   639
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   640
if havetwisted or havewx:
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   641
    ui_thread_started = Lock()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   642
    ui_thread_started.acquire()
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   643
    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
   644
        # 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
   645
        def ui_thread_target():
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   646
            # 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
   647
            # 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
   648
            reactor.run(installSignalHandlers=False)
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   649
    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
   650
        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
   651
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   652
    ui_thread = Thread(target=ui_thread_target)
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
   653
    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
   654
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   655
    # 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
   656
    if havetwisted:
1997
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   657
        reactor.callLater(0, ui_thread_started.release)
d9e8fb47340f PEP-8 and PyLint
Edouard Tisserant
parents: 1994
diff changeset
   658
    else:
1994
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   659
        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
   660
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   661
    # 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
   662
    ui_thread_started.acquire()
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   663
    print("UI thread started successfully.")
1fdc32be71b8 Rework of runtime non-real-time threading, and shared object dynamic loading :
Edouard Tisserant
parents: 1988
diff changeset
   664
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
   665
try:
1988
19ca02e8074f PLCObject got more methods serialized through worker : Start, Stop, NewPLC.
Edouard Tisserant
parents: 1987
diff changeset
   666
    MainWorker.runloop(pyroserver.AutoLoad)
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
   667
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
   668
    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
   669
641
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   670
pyroserver.Quit()
b4eae24d05bf Fixed encoding of Beremiz_service.py
Edouard Tisserant
parents: 622
diff changeset
   671
sys.exit(0)