--- 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 @@
</body>
</pou>""" % 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"