plcopen/InstancesPathCollector.py
author Edouard Tisserant
Wed, 10 Mar 2021 09:59:18 +0100
changeset 2732 a3f0e4148714
parent 1953 5736d25bb393
child 3750 f62625418bff
permissions -rw-r--r--
Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
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a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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#!/usr/bin/env python
a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz.
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# See COPYING file for copyrights details.
a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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parents:
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a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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parents:
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from __future__ import absolute_import
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from plcopen.XSLTModelQuery import XSLTModelQuery
a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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parents:
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5736d25bb393 PEP8 and PyLint conformance: whitespaces and stuff
Edouard Tisserant
parents: 1942
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1942
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class InstancesPathCollector(XSLTModelQuery):
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    """ object for collecting instances path list"""
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    def __init__(self, controller):
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        self.Instances = []
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        XSLTModelQuery.__init__(self,
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                                controller,
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                                "instances_path.xslt",
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                                [("AddInstance", self.AddInstance)])
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    def AddInstance(self, context, *args):
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        self.Instances.append(args[0][0])
a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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parents:
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a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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    def Collect(self, root, name, debug):
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        self._process_xslt(root, debug, instance_type=name)
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        res = self.Instances
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parents:
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        self.Instances = []
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        return res