Fixed repetitive freezing of IDE when connection drops.
when connection lost error was beeing displayed, the involved wxYield
was calling pending plc status periodic update, itself trying to use connector.
At that time connector is still not destroyed and connection
is attempted again when calling GetPLCStatus.
=> Hack : Ensure connector is destroyed before reporting error.
#!/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