svgui/svgui.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Wed, 07 Dec 2016 17:54:41 +0300
changeset 1591 38e5f8847a45
parent 1511 91538d0c242c
child 1680 6db967480b7d
permissions -rw-r--r--
close Pyro socket after daemon stop


without that socket port is open after daemon shutdown.
As a result if you restart daemon with new settings (service name, for example),
it can't listen on already used port and opens the next free TCP port
regardless of requested settings.
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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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#
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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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import wx
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import os, sys, shutil
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from pyjs import translate
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from POULibrary import POULibrary
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from docutil import open_svg
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from py_ext import PythonFileCTNMixin
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class SVGUILibrary(POULibrary):
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    def GetLibraryPath(self):
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        return os.path.join(os.path.split(__file__)[0], "pous.xml") 
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class SVGUI(PythonFileCTNMixin):
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    ConfNodeMethods = [
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        {"bitmap" : "ImportSVG",
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         "name" : _("Import SVG"),
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         "tooltip" : _("Import SVG"),
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         "method" : "_ImportSVG"},
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        {"bitmap" : "ImportSVG", # should be something different
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         "name" : _("Inkscape"),
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         "tooltip" : _("Create HMI"),
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         "method" : "_StartInkscape"},
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    ]
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    def ConfNodePath(self):
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        return os.path.join(os.path.dirname(__file__))
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    def _getSVGpath(self, project_path=None):
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        if project_path is None:
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            project_path = self.CTNPath()
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        # define name for SVG file containing gui layout
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        return os.path.join(project_path, "gui.svg")
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    def _getSVGUIserverpath(self):
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        return os.path.join(os.path.dirname(__file__), "svgui_server.py")
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    def OnCTNSave(self, from_project_path=None):
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        if from_project_path is not None:
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            shutil.copyfile(self._getSVGpath(from_project_path),
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                            self._getSVGpath())
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        return PythonFileCTNMixin.OnCTNSave(self, from_project_path)
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    def CTNGenerate_C(self, buildpath, locations):
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        """
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        Return C code generated by iec2c compiler 
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        when _generate_softPLC have been called
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        @param locations: ignored
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        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
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        """
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        current_location = self.GetCurrentLocation()
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        # define a unique name for the generated C file
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        location_str = "_".join(map(lambda x:str(x), current_location))
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        res = ([], "", False)
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        svgfile=self._getSVGpath()
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        if os.path.exists(svgfile):
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            res += (("gui.svg", file(svgfile,"rb")),)
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        svguiserverfile = open(self._getSVGUIserverpath(), 'r')
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        svguiservercode = svguiserverfile.read()
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        svguiserverfile.close()
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        svguilibpath = os.path.join(self._getBuildPath(), "svguilib.js")
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        svguilibfile = open(svguilibpath, 'w')
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        svguilibfile.write(translate(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "sys.py"), "sys"))
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        svguilibfile.write(open(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "_pyjs.js"), 'r').read())
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        svguilibfile.write(translate(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "pyjslib.py"), "pyjslib"))
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        svguilibfile.write(translate(os.path.join(os.path.dirname(__file__), "svguilib.py"), "svguilib"))
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        svguilibfile.write("pyjslib();\nsvguilib();\n")
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        svguilibfile.write(open(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "json.js"), 'r').read())
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        svguilibfile.write(open(os.path.join(os.path.dirname(__file__), "livesvg.js"), 'r').read())
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        svguilibfile.close()
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        jsmodules = {"LiveSVGPage": "svguilib.js"}
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        res += (("svguilib.js", file(svguilibpath,"rb")),)
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        runtimefile_path = os.path.join(buildpath, "runtime_%s.py"%location_str)
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        runtimefile = open(runtimefile_path, 'w')
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        runtimefile.write(svguiservercode % {"svgfile" : "gui.svg"})
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        runtimefile.write("""
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def _runtime_%(location)s_start():
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    website.LoadHMI(%(svgui_class)s, %(jsmodules)s)
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def _runtime_%(location)s_stop():
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    website.UnLoadHMI()
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""" % {"location": location_str,
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       "svgui_class": "SVGUI_HMI",
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       "jsmodules" : str(jsmodules),
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      })
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        runtimefile.close()
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        res += (("runtime_%s.py"%location_str, file(runtimefile_path,"rb")),)
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        return res
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    def _ImportSVG(self):
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        dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "",  _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN)
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        if dialog.ShowModal() == wx.ID_OK:
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            svgpath = dialog.GetPath()
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            if os.path.isfile(svgpath):
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                shutil.copy(svgpath, self._getSVGpath())
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            else:
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                self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n")%svgpath)
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        dialog.Destroy()  
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    def _StartInkscape(self):
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        svgfile = self._getSVGpath()
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        open_inkscape = True
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        if not self.GetCTRoot().CheckProjectPathPerm():
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            dialog = wx.MessageDialog(self.GetCTRoot().AppFrame,
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                                      _("You don't have write permissions.\nOpen Inkscape anyway ?"),
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                                      _("Open Inkscape"),
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                                      wx.YES_NO|wx.ICON_QUESTION)
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            open_inkscape = dialog.ShowModal() == wx.ID_YES
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            dialog.Destroy()
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        if open_inkscape:
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            if not os.path.isfile(svgfile):
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                svgfile = None
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            open_svg(svgfile)