plcopen/InstanceTagnameCollector.py
author Edouard Tisserant
Mon, 09 Dec 2019 14:53:42 +0100
branchsvghmi
changeset 2820 d9b5303d43dc
parent 1953 5736d25bb393
child 3750 f62625418bff
permissions -rw-r--r--
SVGHMI : had to move the problem of wkaing up python thread from plc thread to platform specific code.
Since Xenomai's cobalt thread are definitely incompatible with normal posix python interpreter binary's thread, we must synchronize them with arcane rt_pipes (the only ones that really work cross domain) as already done in debug and python async eval blocks.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz.
# See COPYING file for copyrights details.

from __future__ import absolute_import
from plcopen.XSLTModelQuery import XSLTModelQuery
from plcopen.types_enums import *


class InstanceTagName(object):
    """Helpers object for generating instance tagname"""

    def __init__(self):
        self.TagName = None

    def GetTagName(self):
        return self.TagName

    def ConfigTagName(self, context, *args):
        self.TagName = ComputeConfigurationName(args[0][0])

    def ResourceTagName(self, context, *args):
        self.TagName = ComputeConfigurationResourceName(args[0][0], args[1][0])

    def PouTagName(self, context, *args):
        self.TagName = ComputePouName(args[0][0])

    def ActionTagName(self, context, *args):
        self.TagName = ComputePouActionName(args[0][0], args[0][1])

    def TransitionTagName(self, context, *args):
        self.TagName = ComputePouTransitionName(args[0][0], args[0][1])


class InstanceTagnameCollector(XSLTModelQuery):
    """ object for collecting instances path list"""
    def __init__(self, controller):
        XSLTModelQuery.__init__(self,
                                controller,
                                "instance_tagname.xslt",
                                [(name, self.FactoryCaller(name))
                                 for name in ["ConfigTagName",
                                              "ResourceTagName",
                                              "PouTagName",
                                              "ActionTagName",
                                              "TransitionTagName"]])

    def FactoryCaller(self, funcname):
        def CallFactory(*args):
            return getattr(self.factory, funcname)(*args)
        return CallFactory

    def Collect(self, root, debug, instance_path):
        self.factory = InstanceTagName()
        self._process_xslt(root, debug, instance_path=instance_path)
        res = self.factory.GetTagName()
        self.factory = None
        return res