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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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"""

    27

Beremiz Project Controller

    28

"""

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import os,sys,traceback

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import time

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import features

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import shutil

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import wx

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import re, tempfile

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from math import ceil

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from types import ListType

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from threading import Timer, Lock, Thread

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from time import localtime

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from datetime import datetime

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from weakref import WeakKeyDictionary

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from itertools import izip

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import targets

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import connectors

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import util.paths as paths

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from util.misc import CheckPathPerm, GetClassImporter

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from util.MiniTextControler import MiniTextControler

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from util.ProcessLogger import ProcessLogger

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from util.BitmapLibrary import GetBitmap

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from editors.FileManagementPanel import FileManagementPanel

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from editors.ProjectNodeEditor import ProjectNodeEditor

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from editors.IECCodeViewer import IECCodeViewer

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from editors.DebugViewer import DebugViewer, REFRESH_PERIOD

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from dialogs import DiscoveryDialog

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from PLCControler import PLCControler

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from plcopen.structures import IEC_KEYWORDS

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from targets.typemapping import DebugTypesSize, LogLevelsCount, LogLevels

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from targets.typemapping import UnpackDebugBuffer

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from ConfigTreeNode import ConfigTreeNode, XSDSchemaErrorMessage

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base_folder = paths.AbsParentDir(__file__)

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    63

MATIEC_ERROR_MODEL = re.compile(".*\.st:(\d+)-(\d+)\.\.(\d+)-(\d+): (?:error)|(?:warning) : (.*)$")

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ITEM_CONFNODE = 25

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    67

def ExtractChildrenTypesFromCatalog(catalog):

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    children_types = []

    69

    for n,d,h,c in catalog:

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        if isinstance(c, ListType):

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            children_types.extend(ExtractChildrenTypesFromCatalog(c))

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        else:

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            children_types.append((n, GetClassImporter(c), d))

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    return children_types

    75

    76

def ExtractMenuItemsFromCatalog(catalog):

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    menu_items = []

    78

    for n,d,h,c in catalog:

    79

        if isinstance(c, ListType):

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            children = ExtractMenuItemsFromCatalog(c)

    81

        else:

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            children = []

    83

        menu_items.append((n, d, h, children))

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    return menu_items

    85

    86

def GetAddMenuItems():

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    return ExtractMenuItemsFromCatalog(features.catalog)

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    89

class Iec2CSettings():

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    def __init__(self):

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        self.iec2c = None

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        self.iec2c_buildopts = None

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        self.ieclib_path   = self.findLibPath()

    94

        self.ieclib_c_path = self.findLibCPath()

    95

    96

    def findObject(self, paths, test):

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        path=None

    98

        for p in paths:

    99

            if test(p):

   100

                path = p

   101

                break           

   102

        return path

   103

   104

    def findCmd(self):

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        cmd="iec2c"+(".exe" if wx.Platform == '__WXMSW__' else "")

   106

        paths=[

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            os.path.join(base_folder, "matiec")

   108

        ]

   109

        path = self.findObject(paths, lambda p:os.path.isfile(os.path.join(p, cmd)))

   110

   111

        # otherwise use iec2c from PATH

   112

        if path is not None:

   113

            cmd=os.path.join(path, cmd)

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   115

        return cmd

   116

   117

    def findLibPath(self):

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        paths=[

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            os.path.join(base_folder, "matiec", "lib"),

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            "/usr/lib/matiec"

   121

        ]

   122

        path = self.findObject(paths, lambda p:os.path.isfile(os.path.join(p, "ieclib.txt")))

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        return path

   124

   125

    def findLibCPath(self):

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        path=None

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        paths=[

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            os.path.join(self.ieclib_path, "C"),

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            self.ieclib_path]

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        path = self.findObject(paths, lambda p:os.path.isfile(os.path.join(p, "iec_types.h")))

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        return path

   132

   133

    def findSupportedOptions(self):

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        buildcmd = "\"%s\" -h"%(self.getCmd())

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        options =["-f", "-l", "-p"]

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   137

        buildopt = ""

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        try:

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            # Invoke compiler. Output files are listed to stdout, errors to stderr

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            status, result, err_result = ProcessLogger(None, buildcmd,

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                no_stdout=True, no_stderr=True).spin()

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        except Exception,e:

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            return buildopt

   144

   145

        for opt in options:

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            if opt in result:

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                buildopt = buildopt + " " + opt

   148

        return buildopt

   149

   150

    def getCmd(self):

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        if self.iec2c is None:

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            self.iec2c = self.findCmd()

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        return self.iec2c

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   155

    def getOptions(self):

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        if self.iec2c_buildopts is None:

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            self.iec2c_buildopts = self.findSupportedOptions()

   158

        return self.iec2c_buildopts

   159

   160

    def getLibPath(self):

   161

        return self.ieclib_path

   162

   163

    def getLibCPath(self):

   164

        if self.ieclib_c_path is None:

   165

            self.ieclib_c_path = self.findLibCPath()

   166

        return self.ieclib_c_path

   167

   168

iec2c_cfg = Iec2CSettings()

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   170

class ProjectController(ConfigTreeNode, PLCControler):

   171

    """

   172

    This class define Root object of the confnode tree.

   173

    It is responsible of :

   174

    - Managing project directory

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    - Building project

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    - Handling PLCOpenEditor controler and view

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    - Loading user confnodes and instanciante them as children

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    - ...

   179

   180

    """

   181

   182

    # For root object, available Children Types are modules of the confnode packages.

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    CTNChildrenTypes = ExtractChildrenTypesFromCatalog(features.catalog)

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   185

    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="BeremizRoot">

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        <xsd:complexType>

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          <xsd:sequence>

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            <xsd:element name="TargetType">

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              <xsd:complexType>

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                <xsd:choice minOccurs="0">

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                """+targets.GetTargetChoices()+"""

   194

                </xsd:choice>

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              </xsd:complexType>

   196

            </xsd:element>"""+(("""

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            <xsd:element name="Libraries" minOccurs="0">

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              <xsd:complexType>

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              """+"\n".join(['<xsd:attribute name='+

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                             '"Enable_'+ libname + '_Library" '+

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                             'type="xsd:boolean" use="optional" default="true"/>'

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                             for libname,lib in features.libraries])+"""

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              </xsd:complexType>

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            </xsd:element>""") if len(features.libraries)>0 else '') + """

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          </xsd:sequence>

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          <xsd:attribute name="URI_location" type="xsd:string" use="optional" default=""/>

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          <xsd:attribute name="Disable_Extensions" type="xsd:boolean" use="optional" default="false"/>

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        </xsd:complexType>

   209

      </xsd:element>

   210

    </xsd:schema>

   211

    """

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    EditorType = ProjectNodeEditor

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   214

    def __init__(self, frame, logger):

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        PLCControler.__init__(self)

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   217

        self.MandatoryParams = None

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        self._builder = None

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        self._connector = None

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        self.DispatchDebugValuesTimer = None

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        self.DebugValuesBuffers = []

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        self.DebugTicks = []

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        self.SetAppFrame(frame, logger)

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   225

        # Setup debug information

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        self.IECdebug_datas = {}

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        self.IECdebug_lock = Lock()

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        self.DebugTimer=None

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        self.ResetIECProgramsAndVariables()

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   232

        # In both new or load scenario, no need to save

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        self.ChangesToSave = False

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        # root have no parent

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        self.CTNParent = None

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        # Keep track of the confnode type name

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        self.CTNType = "Beremiz"

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        self.Children = {}

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        self._View = None

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        # After __init__ root confnode is not valid

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        self.ProjectPath = None

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        self._setBuildPath(None)

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        self.DebugThread = None

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        self.debug_break = False

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        self.previous_plcstate = None

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        # copy ConfNodeMethods so that it can be later customized

   247

        self.StatusMethods = [dic.copy() for dic in self.StatusMethods]

   248

   249

    def __del__(self):

   250

        if self.DebugTimer:

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            self.DebugTimer.cancel()

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        self.KillDebugThread()

   253

   254

    def LoadLibraries(self):

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        self.Libraries = []

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        TypeStack=[]

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        for libname,clsname in features.libraries:

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            if self.BeremizRoot.Libraries is None or getattr(self.BeremizRoot.Libraries, "Enable_"+libname+"_Library"):

   259

                Lib = GetClassImporter(clsname)()(self, libname, TypeStack)

   260

                TypeStack.append(Lib.GetTypes())

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                self.Libraries.append(Lib)

   262

   263

    def SetAppFrame(self, frame, logger):

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        self.AppFrame = frame

   265

        self.logger = logger

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        self.StatusTimer = None

   267

        if self.DispatchDebugValuesTimer is not None:

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            self.DispatchDebugValuesTimer.Stop()

   269

        self.DispatchDebugValuesTimer = None

   270

   271

        if frame is not None:

   272

   273

            # Timer to pull PLC status

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            self.StatusTimer = wx.Timer(self.AppFrame, -1)

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            self.AppFrame.Bind(wx.EVT_TIMER,

   276

                self.PullPLCStatusProc, self.StatusTimer)

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            if self._connector is not None:

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                frame.LogViewer.SetLogSource(self._connector)

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                self.StatusTimer.Start(milliseconds=500, oneShot=False)

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   282

            # Timer to dispatch debug values to consumers

   283

            self.DispatchDebugValuesTimer = wx.Timer(self.AppFrame, -1)

   284

            self.AppFrame.Bind(wx.EVT_TIMER,

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                self.DispatchDebugValuesProc, self.DispatchDebugValuesTimer)

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   287

            self.RefreshConfNodesBlockLists()

   288

   289

    def ResetAppFrame(self, logger):

   290

        if self.AppFrame is not None:

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            self.AppFrame.Unbind(wx.EVT_TIMER, self.StatusTimer)

   292

            self.StatusTimer = None

   293

            self.AppFrame = None

   294

   295

        self.logger = logger

   296

   297

    def CTNName(self):

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        return "Project"

   299

   300

    def CTNTestModified(self):

   301

         return self.ChangesToSave or not self.ProjectIsSaved()

   302

   303

    def CTNFullName(self):

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        return ""

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   306

    def GetCTRoot(self):

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        return self

   308

   309

    def GetIECLibPath(self):

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        return iec2c_cfg.getLibCPath()

   311

   312

    def GetIEC2cPath(self):

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        return iec2c_cfg.getCmd()

   314

   315

    def GetCurrentLocation(self):

   316

        return ()

   317

   318

    def GetCurrentName(self):

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        return ""

   320

   321

    def _GetCurrentName(self):

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        return ""

   323

   324

    def GetProjectPath(self):

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        return self.ProjectPath

   326

   327

    def GetProjectName(self):

   328

        return os.path.split(self.ProjectPath)[1]

   329

   330

    def GetIconName(self):

   331

        return "PROJECT"

   332

   333

    def GetDefaultTargetName(self):

   334

        if wx.Platform == '__WXMSW__':

   335

            return "Win32"

   336

        else:

   337

            return "Linux"

   338

   339

    def GetTarget(self):

   340

        target = self.BeremizRoot.getTargetType()

   341

        if target.getcontent() is None:

   342

            temp_root = self.Parser.CreateRoot()

   343

            target = self.Parser.CreateElement("TargetType", "BeremizRoot")

   344

            temp_root.setTargetType(target)

   345

            target_name = self.GetDefaultTargetName()

   346

            target.setcontent(self.Parser.CreateElement(target_name, "TargetType"))

   347

        return target

   348

   349

    def GetParamsAttributes(self, path = None):

   350

        params = ConfigTreeNode.GetParamsAttributes(self, path)

   351

        if params[0]["name"] == "BeremizRoot":

   352

            for child in params[0]["children"]:

   353

                if child["name"] == "TargetType" and child["value"] == '':

   354

                    child.update(self.GetTarget().getElementInfos("TargetType"))

   355

        return params

   356

   357

    def SetParamsAttribute(self, path, value):

   358

        if path.startswith("BeremizRoot.TargetType.") and self.BeremizRoot.getTargetType().getcontent() is None:

   359

            self.BeremizRoot.setTargetType(self.GetTarget())

   360

        res = ConfigTreeNode.SetParamsAttribute(self, path, value)

   361

        if path.startswith("BeremizRoot.Libraries."):

   362

            wx.CallAfter(self.RefreshConfNodesBlockLists)

   363

        return res

   364

   365

    # helper func to check project path write permission

   366

    def CheckProjectPathPerm(self, dosave=True):

   367

        if CheckPathPerm(self.ProjectPath):

   368

            return True

   369

        if self.AppFrame is not None:

   370

            dialog = wx.MessageDialog(self.AppFrame,

   371

                        _('You must have permission to work on the project\nWork on a project copy ?'),

   372

                        _('Error'),

   373

                        wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION)

   374

            answer = dialog.ShowModal()

   375

            dialog.Destroy()

   376

            if answer == wx.ID_YES:

   377

                if self.SaveProjectAs():

   378

                    self.AppFrame.RefreshTitle()

   379

                    self.AppFrame.RefreshFileMenu()

   380

                    self.AppFrame.RefreshPageTitles()

   381

                    return True

   382

        return False

   383

   384

    def _getProjectFilesPath(self, project_path=None):

   385

        if project_path is not None:

   386

            return os.path.join(project_path, "project_files")

   387

        projectfiles_path = os.path.join(self.GetProjectPath(), "project_files")

   388

        if not os.path.exists(projectfiles_path):

   389

            os.mkdir(projectfiles_path)

   390

        return projectfiles_path

   391

   392

    def AddProjectDefaultConfiguration(self, config_name="config", res_name="resource1"):

   393

        self.ProjectAddConfiguration(config_name)

   394

        self.ProjectAddConfigurationResource(config_name, res_name)

   395

   396

    def SetProjectDefaultConfiguration(self):

   397

        # Sets default task and instance for new project

   398

        config = self.Project.getconfiguration(self.GetProjectMainConfigurationName())

   399

        resource = config.getresource()[0].getname()

   400

        config = config.getname()

   401

        resource_tagname = self.ComputeConfigurationResourceName(config, resource)

   402

        def_task = [

   403

            {'Priority': '0', 'Single': '', 'Interval': 'T#20ms', 'Name': 'task0', 'Triggering': 'Cyclic'}]

   404

        def_instance = [

   405

            {'Task': def_task[0].get('Name'), 'Type': self.GetProjectPouNames()[0], 'Name': 'instance0'}]

   406

        self.SetEditedResourceInfos(resource_tagname, def_task, def_instance)

   407

   408

    def NewProject(self, ProjectPath, BuildPath=None):

   409

        """

   410

        Create a new project in an empty folder

   411

        @param ProjectPath: path of the folder where project have to be created

   412

        @param PLCParams: properties of the PLCOpen program created

   413

        """

   414

        # Verify that chosen folder is empty

   415

        if not os.path.isdir(ProjectPath) or len(os.listdir(ProjectPath)) > 0:

   416

            return _("Chosen folder isn't empty. You can't use it for a new project!")

   417

   418

        # Create PLCOpen program

   419

        self.CreateNewProject(

   420

            {"projectName": _("Unnamed"),

   421

             "productName": _("Unnamed"),

   422

             "productVersion": "1",

   423

             "companyName": _("Unknown"),

   424

             "creationDateTime": datetime(*localtime()[:6])})

   425

        self.AddProjectDefaultConfiguration()

   426

   427

        # Change XSD into class members

   428

        self._AddParamsMembers()

   429

        self.Children = {}

   430

        # Keep track of the root confnode (i.e. project path)

   431

        self.ProjectPath = ProjectPath

   432

        self._setBuildPath(BuildPath)

   433

        # get confnodes bloclist (is that usefull at project creation?)

   434

        self.RefreshConfNodesBlockLists()

   435

        # this will create files base XML files

   436

        self.SaveProject()

   437

        return None

   438

   439

    def LoadProject(self, ProjectPath, BuildPath=None):

   440

        """

   441

        Load a project contained in a folder

   442

        @param ProjectPath: path of the project folder

   443

        """

   444

        if os.path.basename(ProjectPath) == "":

   445

            ProjectPath = os.path.dirname(ProjectPath)

   446

        # Verify that project contains a PLCOpen program

   447

        plc_file = os.path.join(ProjectPath, "plc.xml")

   448

        if not os.path.isfile(plc_file):

   449

            return _("Chosen folder doesn't contain a program. It's not a valid project!"), True

   450

        # Load PLCOpen file

   451

        error = self.OpenXMLFile(plc_file)

   452

        if error is not None:

   453

            if self.Project is not None:

   454

                (fname_err, lnum, src) = (("PLC",) + error)

   455

                self.logger.write_warning(XSDSchemaErrorMessage.format(a1 = fname_err, a2 = lnum, a3 = src))

   456

            else:

   457

                return error, False

   458

        if len(self.GetProjectConfigNames()) == 0:

   459

            self.AddProjectDefaultConfiguration()

   460

        # Change XSD into class members

   461

        self._AddParamsMembers()

   462

        self.Children = {}

   463

        # Keep track of the root confnode (i.e. project path)

   464

        self.ProjectPath = ProjectPath

   465

        self._setBuildPath(BuildPath)

   466

        # If dir have already be made, and file exist

   467

        if os.path.isdir(self.CTNPath()) and os.path.isfile(self.ConfNodeXmlFilePath()):

   468

            #Load the confnode.xml file into parameters members

   469

            result = self.LoadXMLParams()

   470

            if result:

   471

                return result, False

   472

            #Load and init all the children

   473

            self.LoadChildren()

   474

        self.RefreshConfNodesBlockLists()

   475

        self.UpdateButtons()

   476

        return None, False

   477

   478

    def RecursiveConfNodeInfos(self, confnode):

   479

        values = []

   480

        for CTNChild in confnode.IECSortedChildren():

   481

            values.append(

   482

                {"name": "%s: %s" % (CTNChild.GetFullIEC_Channel(),