diff -r ac7d39f4e376 -r b0c2c4e1c1f1 plcopen/plcopen.py --- a/plcopen/plcopen.py Fri Sep 27 17:48:05 2013 +0200 +++ b/plcopen/plcopen.py Sun Sep 29 20:17:05 2013 +0200 @@ -158,6 +158,22 @@ """ % locals() +PLCOpen_v1_file = open(os.path.join(os.path.split(__file__)[0], "TC6_XML_V10_B.xsd")) +PLCOpen_v1_xml = PLCOpen_v1_file.read() +PLCOpen_v1_file.close() +PLCOpen_v1_xml = PLCOpen_v1_xml.replace( + "http://www.plcopen.org/xml/tc6.xsd", + "http://www.plcopen.org/xml/tc6_0201") +PLCOpen_v1_xsd = etree.XMLSchema(etree.fromstring(PLCOpen_v1_xml)) + +# XPath for file compatibility process +ProjectResourcesXPath = PLCOpen_XPath("ppx:instances/ppx:configurations/ppx:configuration/ppx:resource") +ResourceInstancesXpath = PLCOpen_XPath("ppx:pouInstance | ppx:task/ppx:pouInstance") +TransitionsConditionXPath = PLCOpen_XPath("ppx:types/ppx:pous/ppx:pou/ppx:body/*/ppx:transition/ppx:condition") +ConditionConnectionsXPath = PLCOpen_XPath("ppx:connection") +ActionBlocksXPath = PLCOpen_XPath("ppx:types/ppx:pous/ppx:pou/ppx:body/*/ppx:actionBlock") +ActionBlocksConnectionPointOutXPath = PLCOpen_XPath("ppx:connectionPointOut") + def LoadProjectXML(project_xml): project_xml = project_xml.replace( "http://www.plcopen.org/xml/tc6.xsd", @@ -169,11 +185,69 @@ try: tree, error = PLCOpenParser.LoadXMLString(project_xml) - if error is not None: - # TODO Validate file according to PLCOpen v1 and modify it for - # compatibility with PLCOpen v2 - return tree, error - return tree, None + if error is None: + return tree, None + + if PLCOpen_v1_xsd.validate(tree): + # Make file compatible with PLCOpen v2 + + # Update resource interval value + for resource in ProjectResourcesXPath(tree): + for task in resource.gettask(): + interval = task.get("interval") + if interval is not None: + result = time_model.match(interval) + if result is not None: + values = result.groups() + time_values = [int(v) for v in values[:2]] + seconds = float(values[2]) + time_values.extend([int(seconds), int((seconds % 1) * 1000000)]) + text = "T#" + if time_values[0] != 0: + text += "%dh"%time_values[0] + if time_values[1] != 0: + text += "%dm"%time_values[1] + if time_values[2] != 0: + text += "%ds"%time_values[2] + if time_values[3] != 0: + if time_values[3] % 1000 != 0: + text += "%.3fms"%(float(time_values[3]) / 1000) + else: + text += "%dms"%(time_values[3] / 1000) + task.set("interval", text) + + # Update resources pou instance attributes + for pouInstance in ResourceInstancesXpath(resource): + type_name = pouInstance.get("type") + if type_name is not None: + pouInstance.set("typeName", type_name) + + # Update transitions condition + for transition_condition in TransitionsConditionXPath(tree): + connections = ConditionConnectionsXPath(transition_condition) + if len(connections) > 0: + connectionPointIn = PLCOpenParser.CreateElement("connectionPointIn", "condition") + transition_condition.setcontent(connectionPointIn) + connectionPointIn.setrelPositionXY(0, 0) + for connection in connections: + connectionPointIn.append(connection) + + # Update actionBlocks + for actionBlock in ActionBlocksXPath(tree): + for connectionPointOut in ActionBlocksConnectionPointOutXPath(actionBlock): + actionBlock.remove(connectionPointOut) + + for action in actionBlock.getaction(): + action.set("localId", "0") + relPosition = PLCOpenParser.CreateElement("relPosition", "action") + relPosition.set("x", "0") + relPosition.set("y", "0") + action.setrelPosition(relPosition) + + return tree, None + + return tree, error + except Exception, e: return None, e.message @@ -693,30 +767,6 @@ cls = PLCOpenParser.GetElementClass("task", "resource") if cls: - def compatibility(self, tree): - if tree.hasAttribute("interval"): - interval = GetAttributeValue(tree._attrs["interval"]) - result = time_model.match(interval) - if result is not None: - values = result.groups() - time_values = [int(v) for v in values[:2]] - seconds = float(values[2]) - time_values.extend([int(seconds), int((seconds % 1) * 1000000)]) - text = "t#" - if time_values[0] != 0: - text += "%dh"%time_values[0] - if time_values[1] != 0: - text += "%dm"%time_values[1] - if time_values[2] != 0: - text += "%ds"%time_values[2] - if time_values[3] != 0: - if time_values[3] % 1000 != 0: - text += "%.3fms"%(float(time_values[3]) / 1000) - else: - text += "%dms"%(time_values[3] / 1000) - NodeSetAttr(tree, "interval", text) - setattr(cls, "compatibility", compatibility) - def updateElementName(self, old_name, new_name): if self.single == old_name: self.single = new_name @@ -742,11 +792,6 @@ cls = PLCOpenParser.GetElementClass("pouInstance") if cls: - def compatibility(self, tree): - if tree.hasAttribute("type"): - NodeRenameAttr(tree, "type", "typeName") - setattr(cls, "compatibility", compatibility) - def updateElementName(self, old_name, new_name): if self.typeName == old_name: self.typeName = new_name @@ -2102,23 +2147,6 @@ return _Search([("name", self.getname())], criteria, parent_infos + ["step", self.getlocalId()]) setattr(cls, "Search", Search) -cls = PLCOpenParser.GetElementClass("condition", "transition") -if cls: - def compatibility(self, tree): - connections = [] - for child in tree.childNodes: - if child.nodeName == "connection": - connections.append(child) - if len(connections) > 0: - node = CreateNode("connectionPointIn") - relPosition = CreateNode("relPosition") - NodeSetAttr(relPosition, "x", "0") - NodeSetAttr(relPosition, "y", "0") - node.childNodes.append(relPosition) - node.childNodes.extend(connections) - tree.childNodes = [node] - setattr(cls, "compatibility", compatibility) - cls = _initElementClass("transition", "sfcObjects") if cls: def getinfos(self): @@ -2282,17 +2310,6 @@ cls = PLCOpenParser.GetElementClass("action", "actionBlock") if cls: - def compatibility(self, tree): - relPosition = reduce(lambda x, y: x | (y.nodeName == "relPosition"), tree.childNodes, False) - if not tree.hasAttribute("localId"): - NodeSetAttr(tree, "localId", "0") - if not relPosition: - node = CreateNode("relPosition") - NodeSetAttr(node, "x", "0") - NodeSetAttr(node, "y", "0") - tree.childNodes.insert(0, node) - setattr(cls, "compatibility", compatibility) - def setreferenceName(self, name): if self.reference is not None: self.reference.setname(name) @@ -2344,12 +2361,6 @@ cls = _initElementClass("actionBlock", "commonObjects", "single") if cls: - def compatibility(self, tree): - for child in tree.childNodes[:]: - if child.nodeName == "connectionPointOut": - tree.childNodes.remove(child) - setattr(cls, "compatibility", compatibility) - def getinfos(self): infos = _getelementinfos(self) infos["type"] = "actionBlock"