dialogs/PouDialog.py
author Edouard Tisserant
Wed, 01 Jul 2020 10:36:20 +0200
changeset 2686 703ebf57508a
parent 2299 8df93571af65
child 3303 0ffb41625592
permissions -rw-r--r--
Modbus and Bacnet websettings : Rename variables and functions to avoid name collisions.

Websettings for modbus and bacnet are now passed to runtime as python files loaded (execfile) at init of PLCObject with the same globals.
Because if this, same names used in previously different modules now colide.
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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) 2012: Edouard TISSERANT and Laurent BESSARD
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# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>
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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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import wx
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from plcopen.structures import TestIdentifier, IEC_KEYWORDS
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from util.TranslationCatalogs import NoTranslate
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class PouDialog(wx.Dialog):
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    """
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    Dialog to create new POU.
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    It allows selection of POU type, name and
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    used IEC 61131-3 programming language
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    """
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    POU_TYPES = None
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    POU_TYPES_DICT = None
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    POU_LANGUAGES = None
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    POU_LANGUAGES_DICT = None
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    def __init__(self, parent, pou_type=None, type_readonly=False):
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        wx.Dialog.__init__(self, id=-1, parent=parent,
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                           name='PouDialog', title=_('Create a new POU'),
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                           style=wx.DEFAULT_DIALOG_STYLE)
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        if PouDialog.POU_TYPES_DICT is None:
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            self.InitPouTypesDict()
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            self.InitPouLanguagesDict()
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        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
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        main_sizer.AddGrowableCol(0)
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        main_sizer.AddGrowableRow(0)
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        infos_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=3, vgap=15)
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        infos_sizer.AddGrowableCol(1)
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        main_sizer.AddSizer(infos_sizer, border=20,
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                            flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)
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        pouname_label = wx.StaticText(self, label=_('POU Name:'))
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        infos_sizer.AddWindow(pouname_label, border=4,
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                              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)
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        self.PouName = wx.TextCtrl(self)
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        infos_sizer.AddWindow(self.PouName, flag=wx.GROW)
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        poutype_label = wx.StaticText(self, label=_('POU Type:'))
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        infos_sizer.AddWindow(poutype_label, border=4,
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                              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)
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        self.PouType = wx.ComboBox(self, style=wx.CB_READONLY)
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        self.Bind(wx.EVT_COMBOBOX, self.OnTypeChanged, self.PouType)
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        infos_sizer.AddWindow(self.PouType, flag=wx.GROW)
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        language_label = wx.StaticText(self, label=_('Language:'))
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        infos_sizer.AddWindow(language_label, border=4,
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                              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)
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        self.Language = wx.ComboBox(self, style=wx.CB_READONLY)
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        infos_sizer.AddWindow(self.Language, flag=wx.GROW)
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        button_sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)
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        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
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        main_sizer.AddSizer(button_sizer, border=20,
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                            flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)
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        self.SetSizer(main_sizer)
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        for option in self.POU_TYPES:
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            if not type_readonly or _(option) == _(pou_type):
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                self.PouType.Append(_(option))
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        if pou_type is not None:
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            self.PouType.SetStringSelection(_(pou_type))
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        self.RefreshLanguage()
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        self.Fit()
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        self.PouNames = []
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        self.PouElementNames = []
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    def InitPouTypes(self):
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        """
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        Initialize POU_TYPES class list.
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        This list contains not translated POU types used in PLCopen XML.
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        _() are necessary so mk18n.py could find these string for localization.
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        """
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        _ = NoTranslate
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        self.__class__.POU_TYPES = [_("function"), _("functionBlock"), _("program")]
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    def InitPouTypesDict(self):
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        """
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        Initialize POU_TYPES_DICT class dictionary and POU_TYPE list
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        Dictionary contains localized POU types and they are shown in UI.
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        """
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        self.InitPouTypes()
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        self.__class__.POU_TYPES_DICT = dict([(_(pou_type), pou_type)
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                                              for pou_type in self.POU_TYPES])
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    def InitPouLanguages(self):
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        """
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        Initialize POU_LANGUAGES class list.
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        This list contains not translated programming languages used in PLCopen XML.
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        _() are necessary so mk18n.py could find these string for localization.
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        """
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        _ = NoTranslate
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        self.__class__.POU_LANGUAGES = [_("IL"), _("ST"), _("LD"), _("FBD"), _("SFC")]
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    def InitPouLanguagesDict(self):
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        """
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        Initialize POU_LANGUAGES_DICT class dictionary and POU_LANGUAGES list
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        Dictionary contains localized names for programming languages
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        as they are shown in UI.
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        """
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        self.InitPouLanguages()
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        self.__class__.POU_LANGUAGES_DICT = dict([(_(language), language)
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                                                  for language in self.POU_LANGUAGES])
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    def OnOK(self, event):
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        error = []
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        pou_name = self.PouName.GetValue()
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        if pou_name == "":
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            error.append(_("POU Name"))
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        if self.PouType.GetSelection() == -1:
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            error.append(_("POU Type"))
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        if self.Language.GetSelection() == -1:
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            error.append(_("Language"))
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        message = None
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        question = False
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        if len(error) > 0:
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            text = ""
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            for i, item in enumerate(error):
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                if i == 0:
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                    text += item
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                elif i == len(error) - 1:
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                    text += _(" and %s") % item
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                else:
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                    text += _(", %s") % item
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            message = _("Form isn't complete. %s must be filled!") % text
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        elif not TestIdentifier(pou_name):
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            message = _("\"%s\" is not a valid identifier!") % pou_name
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        elif pou_name.upper() in IEC_KEYWORDS:
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            message = _("\"%s\" is a keyword. It can't be used!") % pou_name
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        elif pou_name.upper() in self.PouNames:
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            message = _("\"%s\" pou already exists!") % pou_name
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        elif pou_name.upper() in self.PouElementNames:
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            message = _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?") % pou_name
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            question = True
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        if message is not None:
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            if question:
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                dialog = wx.MessageDialog(self, message, _("Warning"), wx.YES_NO | wx.ICON_EXCLAMATION)
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                result = dialog.ShowModal()
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                dialog.Destroy()
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                if result == wx.ID_YES:
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                    self.EndModal(wx.ID_OK)
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            else:
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                dialog = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)
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                dialog.ShowModal()
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                dialog.Destroy()
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        else:
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            self.EndModal(wx.ID_OK)
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    def RefreshLanguage(self):
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        selection = self.POU_LANGUAGES_DICT.get(self.Language.GetStringSelection(), "")
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        self.Language.Clear()
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        for language in self.POU_LANGUAGES:
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            if language != "SFC" or self.POU_TYPES_DICT[self.PouType.GetStringSelection()] != "function":
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                self.Language.Append(_(language))
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        if self.Language.FindString(_(selection)) != wx.NOT_FOUND:
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            self.Language.SetStringSelection(_(selection))
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    def OnTypeChanged(self, event):
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        self.RefreshLanguage()
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        event.Skip()
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    def SetPouNames(self, pou_names):
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        self.PouNames = [pou_name.upper() for pou_name in pou_names]
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    def SetPouElementNames(self, element_names):
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        self.PouElementNames = [element_name.upper() for element_name in element_names]
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    def SetValues(self, values):
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        for item, value in values.items():
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            if item == "pouName":
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                self.PouName.SetValue(value)
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            elif item == "pouType":
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                self.PouType.SetStringSelection(_(value))
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            elif item == "language":
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                self.Language.SetStringSelection(_(value))
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    def GetValues(self):
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        values = {}
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        values["pouName"] = self.PouName.GetValue()
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        values["pouType"] = self.POU_TYPES_DICT[self.PouType.GetStringSelection()]
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        values["language"] = self.POU_LANGUAGES_DICT[self.Language.GetStringSelection()]
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        return values