plcopen/InstancesPathCollector.py
author Edouard Tisserant <edouard@beremiz.fr>
Thu, 05 Dec 2024 13:56:59 +0100
changeset 4060 d2f5eb3c7d6e
parent 3751 a80a66ba52d6
permissions -rw-r--r--
py_ext: fix CSV Writer

fix POU logic :
- SAVE is a BOOL
- invocation of py_eval on rising edge of SAVE
- remove save python argument

fix python:
- use no encoding for file open (python2)
- re-use detected dialect if any
- use no "rt+" and truncate since no need to re-sniff dialect for output file
- return "OK" instead of "#SUCCESS", preventing POU logic to ACK result
- support creating new line if writing just after last line
- support appending data on short rows

fix example:
- use a HMI:Button to trigger CSV write instead of HMI:Input +1
- reload CSVs on on each new CSV opened in file browser
- add display of CSV write output
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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.
a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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# See COPYING file for copyrights details.
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f62625418bff automated conversion using 2to3-3.9 tool
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a80a66ba52d6 fixed plcopen imports
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from . XSLTModelQuery import XSLTModelQuery
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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):
a4382ae1ba82 Added /plcopen/InstancesPathCollector.py, to move more model xslt querying code away from PLCController.py.
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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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parents:
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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