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#! /usr/bin/env python3 |
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import sys |
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import os |
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import inspect |
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import logging |
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from PyQt5.QtCore import QTimer, QSettings, QModelIndex, Qt, QCoreApplication |
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from PyQt5.QtGui import QIcon, QFont |
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from PyQt5.QtWidgets import QMainWindow, QApplication, QFileDialog, QMessageBox, QStyledItemDelegate, QMenu |
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from opcua import ua |
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from opcua import Server |
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from opcua import copy_node |
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from opcua.common.ua_utils import get_node_children |
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from opcua.common.xmlexporter import XmlExporter |
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from opcua.common.instantiate import instantiate |
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from uawidgets import resources |
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from uawidgets.attrs_widget import AttrsWidget |
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from uawidgets.tree_widget import TreeWidget |
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from uawidgets.refs_widget import RefsWidget |
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from uawidgets.new_node_dialogs import NewNodeBaseDialog, NewUaObjectDialog, NewUaVariableDialog, NewUaMethodDialog |
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from uamodeler.uamodeler_ui import Ui_UaModeler |
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from uamodeler.namespace_widget import NamespaceWidget |
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from uamodeler.refnodesets_widget import RefNodeSetsWidget |
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logger = logging.getLogger(__name__) |
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class BoldDelegate(QStyledItemDelegate): |
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def __init__(self, parent, model, added_node_list): |
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QStyledItemDelegate.__init__(self, parent) |
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self.added_node_list = added_node_list |
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self.model = model |
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def paint(self, painter, option, idx): |
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new_idx = idx.sibling(idx.row(), 0) |
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item = self.model.itemFromIndex(new_idx) |
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if item and item.data() in self.added_node_list: |
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option.font.setWeight(QFont.Bold) |
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QStyledItemDelegate.paint(self, painter, option, idx) |
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def trycatchslot(func): |
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def wrapper(self, *args): |
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# filter out excess args as qt signals do |
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sig = inspect.signature(func) |
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args = args[:(len(sig.parameters)-1)] |
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result = None |
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try: |
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result = func(self, *args) |
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except Exception as ex: |
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logger.exception(ex) |
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self.show_error(ex) |
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return result |
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return wrapper |
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class UaModeler(QMainWindow): |
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def __init__(self): |
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QMainWindow.__init__(self) |
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self.ui = Ui_UaModeler() |
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self.ui.setupUi(self) |
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self.setWindowIcon(QIcon(":/network.svg")) |
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# we only show statusbar in case of errors |
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self.ui.statusBar.hide() |
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# setup QSettings for application and get a settings object |
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QCoreApplication.setOrganizationName("FreeOpcUa") |
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QCoreApplication.setApplicationName("OpcUaModeler") |
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self.settings = QSettings() |
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self._last_dir = self.settings.value("last_dir", ".") |
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self._restore_state() |
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self.server = None |
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self._new_nodes = [] # the added nodes we will save |
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self._current_path = None |
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self._modified = False |
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self._copy_clipboard = None |
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self.tree_ui = TreeWidget(self.ui.treeView) |
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self.tree_ui.error.connect(self.show_error) |
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delegate = BoldDelegate(self, self.tree_ui.model, self._new_nodes) |
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self.ui.treeView.setItemDelegate(delegate) |
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self.refs_ui = RefsWidget(self.ui.refView) |
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self.refs_ui.error.connect(self.show_error) |
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self.attrs_ui = AttrsWidget(self.ui.attrView, show_timestamps=False) |
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self.attrs_ui.error.connect(self.show_error) |
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self.attrs_ui.attr_written.connect(self._attr_written) |
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self.idx_ui = NamespaceWidget(self.ui.namespaceView) |
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self.nodesets_ui = RefNodeSetsWidget(self.ui.refNodeSetsView) |
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self.nodesets_ui.error.connect(self.show_error) |
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self.nodesets_ui.nodeset_added.connect(self.nodesets_change) |
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self.nodesets_ui.nodeset_removed.connect(self.nodesets_change) |
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self.ui.treeView.activated.connect(self.show_refs) |
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self.ui.treeView.clicked.connect(self.show_refs) |
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self.ui.treeView.activated.connect(self.show_attrs) |
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self.ui.treeView.clicked.connect(self.show_attrs) |
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# fix icon stuff |
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self.ui.actionNew.setIcon(QIcon(":/new.svg")) |
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self.ui.actionOpen.setIcon(QIcon(":/open.svg")) |
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self.ui.actionCopy.setIcon(QIcon(":/copy.svg")) |
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self.ui.actionPaste.setIcon(QIcon(":/paste.svg")) |
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self.ui.actionDelete.setIcon(QIcon(":/delete.svg")) |
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self.ui.actionSave.setIcon(QIcon(":/save.svg")) |
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self.ui.actionAddFolder.setIcon(QIcon(":/folder.svg")) |
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self.ui.actionAddObject.setIcon(QIcon(":/object.svg")) |
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self.ui.actionAddMethod.setIcon(QIcon(":/method.svg")) |
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self.ui.actionAddObjectType.setIcon(QIcon(":/object_type.svg")) |
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self.ui.actionAddProperty.setIcon(QIcon(":/property.svg")) |
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self.ui.actionAddVariable.setIcon(QIcon(":/variable.svg")) |
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self.ui.actionAddVariableType.setIcon(QIcon(":/variable_type.svg")) |
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self.ui.actionAddDataType.setIcon(QIcon(":/data_type.svg")) |
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self.ui.actionAddReferenceType.setIcon(QIcon(":/reference_type.svg")) |
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self.setup_context_menu_tree() |
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# actions |
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self.ui.actionNew.triggered.connect(self._new) |
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self.ui.actionOpen.triggered.connect(self._open) |
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self.ui.actionCopy.triggered.connect(self._copy) |
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self.ui.actionPaste.triggered.connect(self._paste) |
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self.ui.actionDelete.triggered.connect(self._delete) |
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self.ui.actionImport.triggered.connect(self._import) |
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self.ui.actionSave.triggered.connect(self._save) |
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self.ui.actionSaveAs.triggered.connect(self._save_as) |
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self.ui.actionCloseModel.triggered.connect(self._close_model) |
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self.ui.actionAddObjectType.triggered.connect(self._add_object_type) |
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self.ui.actionAddObject.triggered.connect(self._add_object) |
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self.ui.actionAddFolder.triggered.connect(self._add_folder) |
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self.ui.actionAddMethod.triggered.connect(self._add_method) |
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self.ui.actionAddDataType.triggered.connect(self._add_data_type) |
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self.ui.actionAddVariable.triggered.connect(self._add_variable) |
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self.ui.actionAddVariableType.triggered.connect(self._add_variable_type) |
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self.ui.actionAddProperty.triggered.connect(self._add_property) |
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self._disable_actions() |
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def setup_context_menu_tree(self): |
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self.ui.treeView.setContextMenuPolicy(Qt.CustomContextMenu) |
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self.ui.treeView.customContextMenuRequested.connect(self._show_context_menu_tree) |
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self._contextMenu = QMenu() |
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# tree view menu |
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self._contextMenu.addAction(self.ui.actionCopy) |
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self._contextMenu.addAction(self.ui.actionPaste) |
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self._contextMenu.addAction(self.ui.actionDelete) |
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self._contextMenu.addSeparator() |
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self._contextMenu.addAction(self.ui.actionAddFolder) |
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self._contextMenu.addAction(self.ui.actionAddObject) |
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self._contextMenu.addAction(self.ui.actionAddVariable) |
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self._contextMenu.addAction(self.ui.actionAddProperty) |
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self._contextMenu.addAction(self.ui.actionAddMethod) |
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self._contextMenu.addAction(self.ui.actionAddObjectType) |
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self._contextMenu.addAction(self.ui.actionAddVariableType) |
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self._contextMenu.addAction(self.ui.actionAddDataType) |
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def _show_context_menu_tree(self, position): |
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idx = self.ui.treeView.currentIndex() |
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if idx.isValid(): |
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self._contextMenu.exec_(self.ui.treeView.viewport().mapToGlobal(position)) |
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def _delete(self): |
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node = self.tree_ui.get_current_node() |
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if node: |
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nodes = get_node_children(node) |
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for n in nodes: |
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n.delete() |
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if n in self._new_nodes: |
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self._new_nodes.remove(n) |
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self.tree_ui.remove_current_item() |
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def _copy(self): |
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node = self.tree_ui.get_current_node() |
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if node: |
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self._copy_clipboard = node |
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def _paste(self): |
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if self._copy_clipboard: |
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parent = self.tree_ui.get_current_node() |
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try: |
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added_nodes = copy_node(parent, self._copy_clipboard) |
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except Exception as ex: |
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self.show_error(ex) |
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raise |
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self._new_nodes.extend(added_nodes) |
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self.tree_ui.reload_current() |
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self.show_refs() |
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self._modified = True |
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def _attr_written(self, attr, dv): |
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self._modified = True |
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if attr == ua.AttributeIds.BrowseName: |
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self.tree_ui.update_browse_name_current_item(dv.Value.Value) |
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elif attr == ua.AttributeIds.DisplayName: |
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self.tree_ui.update_display_name_current_item(dv.Value.Value) |
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def _restore_state(self): |
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self.resize(int(self.settings.value("main_window_width", 800)), |
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int(self.settings.value("main_window_height", 600))) |
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#self.restoreState(self.settings.value("main_window_state", b"", type="QByteArray")) |
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self.restoreState(self.settings.value("main_window_state", bytearray())) |
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self.ui.splitterLeft.restoreState(self.settings.value("splitter_left", bytearray())) |
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self.ui.splitterRight.restoreState(self.settings.value("splitter_right", bytearray())) |
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self.ui.splitterCenter.restoreState(self.settings.value("splitter_center", bytearray())) |
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View Code Duplication |
def _disable_actions(self): |
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self.ui.actionImport.setEnabled(False) |
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self.ui.actionSave.setEnabled(False) |
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self.ui.actionSaveAs.setEnabled(False) |
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self.ui.actionAddObject.setEnabled(False) |
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self.ui.actionAddFolder.setEnabled(False) |
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self.ui.actionAddVariable.setEnabled(False) |
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self.ui.actionAddProperty.setEnabled(False) |
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self.ui.actionAddDataType.setEnabled(False) |
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self.ui.actionAddVariableType.setEnabled(False) |
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self.ui.actionAddObjectType.setEnabled(False) |
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View Code Duplication |
def _enable_actions(self): |
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self.ui.actionImport.setEnabled(True) |
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self.ui.actionSave.setEnabled(True) |
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self.ui.actionSaveAs.setEnabled(True) |
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self.ui.actionAddObject.setEnabled(True) |
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self.ui.actionAddFolder.setEnabled(True) |
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self.ui.actionAddVariable.setEnabled(True) |
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self.ui.actionAddProperty.setEnabled(True) |
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self.ui.actionAddDataType.setEnabled(True) |
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self.ui.actionAddVariableType.setEnabled(True) |
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self.ui.actionAddObjectType.setEnabled(True) |
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def _close_model(self): |
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if not self.really_exit(): |
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return False |
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self._disable_actions() |
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self.tree_ui.clear() |
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self.refs_ui.clear() |
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self.attrs_ui.clear() |
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self.idx_ui.clear() |
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self.nodesets_ui.clear() |
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self._current_path = None |
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self._update_title() |
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if self.server is not None: |
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self.server.stop() |
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self.server = None |
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return True |
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255
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def _update_title(self): |
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256
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self.setWindowTitle("FreeOpcUa Modeler " + str(self._current_path)) |
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def _new(self): |
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if not self._close_model(): |
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return |
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self.server = Server() |
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endpoint = "opc.tcp://0.0.0.0:48400/freeopcua/uamodeler/" |
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print("Starting server on ", endpoint) |
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self.server.set_endpoint(endpoint) |
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self.server.set_server_name("OpcUa Modeler Server") |
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# now remove freeopcua namespace, not necessary when modeling and |
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# ensures correct idx for exported nodesets |
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ns_node = self.server.get_node(ua.NodeId(ua.ObjectIds.Server_NamespaceArray)) |
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nss = ns_node.get_value() |
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ns_node.set_value(nss[1:]) |
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271
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272
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del(self._new_nodes[:]) # empty list while keeping reference |
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274
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self.server.start() |
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self.tree_ui.set_root_node(self.server.get_root_node()) |
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self.idx_ui.set_node(self.server.get_node(ua.ObjectIds.Server_NamespaceArray)) |
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277
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self.nodesets_ui.set_server(self.server) |
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self._modified = False |
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self._enable_actions() |
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self._current_path = "NoName" |
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281
|
|
|
self._update_title() |
|
282
|
|
|
return True |
|
283
|
|
|
|
|
284
|
|
|
def _import(self): |
|
285
|
|
|
path, ok = QFileDialog.getOpenFileName(self, caption="Open OPC UA XML", filter="XML Files (*.xml *.XML)", directory=self._last_dir) |
|
286
|
|
|
if not ok: |
|
287
|
|
|
return None |
|
288
|
|
|
self._last_dir = os.path.dirname(path) |
|
289
|
|
|
try: |
|
290
|
|
|
new_nodes = self.server.import_xml(path) |
|
291
|
|
|
self._new_nodes.extend([self.server.get_node(node) for node in new_nodes]) |
|
292
|
|
|
self._modified = True |
|
293
|
|
|
except Exception as ex: |
|
294
|
|
|
self.show_error(ex) |
|
295
|
|
|
raise |
|
296
|
|
|
# we maybe should only reload the imported nodes |
|
297
|
|
|
self.tree_ui.reload() |
|
298
|
|
|
self.idx_ui.reload() |
|
299
|
|
|
return path |
|
300
|
|
|
|
|
301
|
|
|
def _open(self): |
|
302
|
|
|
if self._new(): |
|
303
|
|
|
path = self._import() |
|
304
|
|
|
if path: |
|
305
|
|
|
self._modified = False |
|
306
|
|
|
self._current_path = path |
|
307
|
|
|
self._update_title() |
|
308
|
|
|
else: |
|
309
|
|
|
self._close_model() |
|
310
|
|
|
|
|
311
|
|
|
def _save_as(self): |
|
312
|
|
|
path, ok = QFileDialog.getSaveFileName(self, caption="Save OPC UA XML", filter="XML Files (*.xml *.XML)") |
|
313
|
|
|
if ok: |
|
314
|
|
|
self._current_path = path |
|
315
|
|
|
self._update_title() |
|
316
|
|
|
self._save() |
|
317
|
|
|
|
|
318
|
|
|
def _save(self): |
|
319
|
|
|
if not self._current_path or self._current_path == "NoName": |
|
320
|
|
|
path, ok = QFileDialog.getSaveFileName(self, caption="Save OPC UA XML", filter="XML Files (*.xml *.XML)") |
|
321
|
|
|
self._current_path = path |
|
322
|
|
|
if not ok: |
|
323
|
|
|
return |
|
324
|
|
|
print("Saving to", self._current_path) |
|
325
|
|
|
print("Exporting {} nodes: {}".format(len(self._new_nodes), self._new_nodes)) |
|
326
|
|
|
print("and namespaces: ", self.server.get_namespace_array()[1:]) |
|
327
|
|
|
exp = XmlExporter(self.server) |
|
328
|
|
|
uris = self.server.get_namespace_array()[1:] |
|
329
|
|
|
exp.build_etree(self._new_nodes, uris=uris) |
|
330
|
|
|
try: |
|
331
|
|
|
exp.write_xml(self._current_path) |
|
332
|
|
|
except Exception as ex: |
|
333
|
|
|
self.show_error(ex) |
|
334
|
|
|
raise |
|
335
|
|
|
self._modified = False |
|
336
|
|
|
self._update_title() |
|
337
|
|
|
self.show_msg(self._current_path + " saved") |
|
338
|
|
|
|
|
339
|
|
|
def really_exit(self): |
|
340
|
|
|
if self._modified: |
|
341
|
|
|
reply = QMessageBox.question( |
|
342
|
|
|
self, |
|
343
|
|
|
"OPC UA Modeler", |
|
344
|
|
|
"Model is modified, do you really want to close model?", |
|
345
|
|
|
QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel |
|
346
|
|
|
) |
|
347
|
|
|
if reply != QMessageBox.Yes: |
|
348
|
|
|
return False |
|
349
|
|
|
|
|
350
|
|
|
return True |
|
351
|
|
|
|
|
352
|
|
|
def _after_add(self, new_nodes): |
|
353
|
|
|
if isinstance(new_nodes, (list, tuple)): |
|
354
|
|
|
self._new_nodes.extend(new_nodes) |
|
355
|
|
|
else: |
|
356
|
|
|
self._new_nodes.append(new_nodes) |
|
357
|
|
|
self.tree_ui.reload_current() |
|
358
|
|
|
self.show_refs() |
|
359
|
|
|
self._modified = True |
|
360
|
|
|
|
|
361
|
|
|
@trycatchslot |
|
362
|
|
|
def _add_method(self): |
|
363
|
|
|
parent = self.tree_ui.get_current_node() |
|
364
|
|
|
args, ok = NewUaMethodDialog.getArgs(self, "Add Method", self.server) |
|
365
|
|
|
if ok: |
|
366
|
|
|
new_nodes = [] |
|
367
|
|
|
new_node = parent.add_method(*args) |
|
368
|
|
|
new_nodes.append(new_node) |
|
369
|
|
|
new_nodes.extend(new_node.get_children()) |
|
370
|
|
|
self._after_add(new_nodes) |
|
371
|
|
|
|
|
372
|
|
|
@trycatchslot |
|
373
|
|
|
def _add_object_type(self): |
|
374
|
|
|
parent = self.tree_ui.get_current_node() |
|
375
|
|
|
args, ok = NewNodeBaseDialog.getArgs(self, "Add Object Type", self.server) |
|
376
|
|
|
if ok: |
|
377
|
|
|
new_node = parent.add_object_type(*args) |
|
378
|
|
|
self._after_add(new_node) |
|
379
|
|
|
|
|
380
|
|
|
@trycatchslot |
|
381
|
|
|
def _add_folder(self): |
|
382
|
|
|
parent = self.tree_ui.get_current_node() |
|
383
|
|
|
args, ok = NewNodeBaseDialog.getArgs(self, "Add Folder", self.server) |
|
384
|
|
|
if ok: |
|
385
|
|
|
new_node = parent.add_folder(*args) |
|
386
|
|
|
self._after_add(new_node) |
|
387
|
|
|
|
|
388
|
|
|
@trycatchslot |
|
389
|
|
|
def _add_object(self): |
|
390
|
|
|
parent = self.tree_ui.get_current_node() |
|
391
|
|
|
args, ok = NewUaObjectDialog.getArgs(self, "Add Object", self.server, base_node_type=self.server.get_node(ua.ObjectIds.BaseObjectType)) |
|
392
|
|
|
if ok: |
|
393
|
|
|
nodeid, bname, otype = args |
|
394
|
|
|
new_nodes = instantiate(parent, otype, bname=bname, nodeid=nodeid) |
|
395
|
|
|
self._after_add(new_nodes) |
|
396
|
|
|
|
|
397
|
|
|
@trycatchslot |
|
398
|
|
|
def _add_data_type(self): |
|
399
|
|
|
parent = self.tree_ui.get_current_node() |
|
400
|
|
|
args, ok = NewNodeBaseDialog.getArgs(self, "Add Data Type", self.server) |
|
401
|
|
|
if ok: |
|
402
|
|
|
new_node = parent.add_data_type(*args) |
|
403
|
|
|
self._after_add(new_node) |
|
404
|
|
|
|
|
405
|
|
|
@trycatchslot |
|
406
|
|
|
def _add_variable(self): |
|
407
|
|
|
parent = self.tree_ui.get_current_node() |
|
408
|
|
|
args, ok = NewUaVariableDialog.getArgs(self, "Add Variable", self.server, default_value=9.99) |
|
409
|
|
|
if ok: |
|
410
|
|
|
new_node = parent.add_variable(*args) |
|
411
|
|
|
self._after_add(new_node) |
|
412
|
|
|
|
|
413
|
|
|
@trycatchslot |
|
414
|
|
|
def _add_property(self): |
|
415
|
|
|
parent = self.tree_ui.get_current_node() |
|
416
|
|
|
args, ok = NewUaVariableDialog.getArgs(self, "Add Property", self.server, default_value=9.99) |
|
417
|
|
|
if ok: |
|
418
|
|
|
new_node = parent.add_property(*args) |
|
419
|
|
|
self._after_add(new_node) |
|
420
|
|
|
|
|
421
|
|
|
@trycatchslot |
|
422
|
|
|
def _add_variable_type(self): |
|
423
|
|
|
parent = self.tree_ui.get_current_node() |
|
424
|
|
|
args, ok = NewUaObjectDialog.getArgs(self, "Add Variable Type", self.server, base_node_type=self.server.get_node(ua.ObjectIds.BaseVariableType)) |
|
425
|
|
|
if ok: |
|
426
|
|
|
nodeid, bname, datatype = args |
|
427
|
|
|
new_node = parent.add_variable_type(nodeid, bname, datatype.nodeid) |
|
428
|
|
|
self._after_add(new_node) |
|
429
|
|
|
|
|
430
|
|
|
@trycatchslot |
|
431
|
|
|
def show_refs(self, idx=None): |
|
432
|
|
|
node = self.get_current_node(idx) |
|
433
|
|
|
self.refs_ui.show_refs(node) |
|
434
|
|
|
|
|
435
|
|
|
@trycatchslot |
|
436
|
|
|
def show_attrs(self, idx=None): |
|
437
|
|
|
if not isinstance(idx, QModelIndex): |
|
438
|
|
|
idx = None |
|
439
|
|
|
node = self.get_current_node(idx) |
|
440
|
|
|
self.attrs_ui.show_attrs(node) |
|
441
|
|
|
|
|
442
|
|
|
def show_error(self, msg): |
|
443
|
|
|
logger.warning("showing error: %s", msg) |
|
444
|
|
|
self.ui.statusBar.show() |
|
445
|
|
|
self.ui.statusBar.setStyleSheet("QStatusBar { background-color : red; color : black; }") |
|
446
|
|
|
self.ui.statusBar.showMessage(str(msg)) |
|
447
|
|
|
QTimer.singleShot(1500, self.ui.statusBar.hide) |
|
448
|
|
|
|
|
449
|
|
|
def show_msg(self, msg): |
|
450
|
|
|
self.ui.statusBar.show() |
|
451
|
|
|
self.ui.statusBar.setStyleSheet("QStatusBar { background-color : green; color : black; }") |
|
452
|
|
|
self.ui.statusBar.showMessage(str(msg)) |
|
453
|
|
|
QTimer.singleShot(1500, self.ui.statusBar.hide) |
|
454
|
|
|
|
|
455
|
|
|
def get_current_node(self, idx=None): |
|
456
|
|
|
return self.tree_ui.get_current_node(idx) |
|
457
|
|
|
|
|
458
|
|
|
def nodesets_change(self, data): |
|
459
|
|
|
self.idx_ui.reload() |
|
460
|
|
|
self.tree_ui.reload() |
|
461
|
|
|
self.refs_ui.clear() |
|
462
|
|
|
self.attrs_ui.clear() |
|
463
|
|
|
|
|
464
|
|
|
def closeEvent(self, event): |
|
465
|
|
|
if not self._close_model(): |
|
466
|
|
|
event.ignore() |
|
467
|
|
|
return |
|
468
|
|
|
self.attrs_ui.save_state() |
|
469
|
|
|
self.refs_ui.save_state() |
|
470
|
|
|
self.settings.setValue("last_dir", self._last_dir) |
|
471
|
|
|
self.settings.setValue("main_window_width", self.size().width()) |
|
472
|
|
|
self.settings.setValue("main_window_height", self.size().height()) |
|
473
|
|
|
self.settings.setValue("main_window_state", self.saveState()) |
|
474
|
|
|
self.settings.setValue("splitter_left", self.ui.splitterLeft.saveState()) |
|
475
|
|
|
self.settings.setValue("splitter_right", self.ui.splitterRight.saveState()) |
|
476
|
|
|
self.settings.setValue("splitter_center", self.ui.splitterCenter.saveState()) |
|
477
|
|
|
if self.server: |
|
478
|
|
|
self.server.stop() |
|
479
|
|
|
event.accept() |
|
480
|
|
|
|
|
481
|
|
|
|
|
482
|
|
|
def main(): |
|
483
|
|
|
app = QApplication(sys.argv) |
|
484
|
|
|
modeler = UaModeler() |
|
485
|
|
|
modeler.show() |
|
486
|
|
|
sys.exit(app.exec_()) |
|
487
|
|
|
|
|
488
|
|
|
|
|
489
|
|
|
if __name__ == "__main__": |
|
490
|
|
|
main() |
|
491
|
|
|
|
FreeOpcUa /
opcua-modeler
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