beremiz

Fix crash if LD input contact isn't connected

2019-03-05, Andrey Skvortsov
27955f010b23
Fix crash if LD input contact isn't connected

Traceback (most recent call last):
File "/home/developer/WorkData/PLC/beremiz/beremiz/BeremizIDE.py", line 339, in OnMethod
obj.CTR.CallMethod('_'+meth)
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 1996, in CallMethod
getattr(self, method)()
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 1134, in _Build
IECGenRes = self._Generate_SoftPLC()
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 746, in _Generate_SoftPLC
if self._Generate_PLC_ST():
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 763, in _Generate_PLC_ST
self._getIECgeneratedcodepath())
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCControler.py", line 456, in GenerateProgram
self.ProgramChunks = GenerateCurrentProgram(self, self.Project, errors, warnings)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1762, in GenerateCurrentProgram
generator.GenerateProgram()
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 478, in GenerateProgram
self.GeneratePouProgram(pou_name)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 260, in GeneratePouProgram
program = pou_program.GenerateProgram(pou)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1718, in GenerateProgram
self.ComputeProgram(pou)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1028, in ComputeProgram
self.GenerateBlock(instance, block_infos, body, None)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1144, in GenerateBlock
expression = self.ComputeExpression(body, connections, executionOrderId > 0)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1373, in ComputeExpression
paths = self.GeneratePaths(connections, body, order, to_inout)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1344, in GeneratePaths
elif isinstance(result[0], list):
IndexError: list index out of range


Close #70
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
# Copyright (C) 2017: Andrey Skvortsov
#
# See COPYING file for copyrights details.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Package initialisation
from __future__ import absolute_import
from os import listdir, path
import util.paths as paths
_base_path = paths.AbsDir(__file__)
def _GetLocalConnectorClassFactory(name):
return lambda: getattr(__import__(name, globals(), locals()), name + "_connector_factory")
def _GetLocalConnectorClassDialog(name):
return lambda: getattr(__import__(name + '.dialog', globals(), locals(), fromlist=['dialog']), name + "_connector_dialog")
def _GetLocalConnectorURITypes(name):
return lambda: getattr(__import__(name + '.dialog', globals(), locals(), fromlist=['dialog']), "URITypes", None)
connectors = {name:
_GetLocalConnectorClassFactory(name)
for name in listdir(_base_path)
if (path.isdir(path.join(_base_path, name)) and
not name.startswith("__"))}
connectors_dialog = {name:
{"function": _GetLocalConnectorClassDialog(name), "URITypes": _GetLocalConnectorURITypes(name)}
for name in listdir(_base_path)
if (path.isdir(path.join(_base_path, name)) and
not name.startswith("__"))}
def ConnectorFactory(uri, confnodesroot):
"""
Return a connector corresponding to the URI
or None if cannot connect to URI
"""
servicetype = uri.split("://")[0].upper()
if servicetype == "LOCAL":
# Local is special case
# pyro connection to local runtime
# started on demand, listening on random port
servicetype = "PYRO"
runtime_port = confnodesroot.AppFrame.StartLocalRuntime(
taskbaricon=True)
uri = "PYROLOC://127.0.0.1:" + str(runtime_port)
elif servicetype in connectors:
pass
elif servicetype[-1] == 'S' and servicetype[:-1] in connectors:
servicetype = servicetype[:-1]
else:
return None
# import module according to uri type
connectorclass = connectors[servicetype]()
return connectorclass(uri, confnodesroot)
def ConnectorDialog(conn_type, confnodesroot):
if conn_type not in connectors_dialog:
return None
connectorclass = connectors_dialog[conn_type]["function"]()
return connectorclass(confnodesroot)
def GetConnectorFromURI(uri):
typeOfConnector = None
for conn_type in connectors_dialog:
connectorTypes = connectors_dialog[conn_type]["URITypes"]()
if connectorTypes and uri in connectorTypes:
typeOfConnector = conn_type
break
return typeOfConnector