andrej@1511: #!/usr/bin/env python
andrej@1511: # -*- coding: utf-8 -*-
andrej@1511: 
Edouard@2270: from __future__ import absolute_import
edouard@2309: from __future__ import print_function
Edouard@2270: import traceback
edouard@2309: import sys
andrej@1667: 
Edouard@2270: from runtime.Worker import worker
Edouard@2270: MainWorker = worker()
andrej@1511: 
Edouard@2270: _PLCObjectSingleton = None
etisserant@49: 
edouard@2309: 
Edouard@2270: def GetPLCObjectSingleton():
edouard@2309:     assert _PLCObjectSingleton is not None
Edouard@2270:     return _PLCObjectSingleton
Edouard@2270: 
Edouard@2270: 
Edouard@2270: def LogMessageAndException(msg, exp=None):
Edouard@2270:     if exp is None:
Edouard@2270:         exp = sys.exc_info()
Edouard@2270:     if _PLCObjectSingleton is not None:
Edouard@2270:         _PLCObjectSingleton.LogMessage(0, msg + '\n'.join(traceback.format_exception(*exp)))
Edouard@2307:     print(msg)
Edouard@2307:     traceback.print_exception(*exp)
Edouard@2270: 
edouard@2309: 
edouard@2309: def CreatePLCObjectSingleton(*args, **kwargs):
Edouard@2270:     global _PLCObjectSingleton
Edouard@2327:     from runtime.PLCObject import PLCObject  # noqa # pylint: disable=wrong-import-position
edouard@2309:     _PLCObjectSingleton = PLCObject(*args, **kwargs)
Edouard@2583: 
Edouard@2583: 
Edouard@2583: def default_evaluator(tocall, *args, **kwargs):
Edouard@2583:     try:
Edouard@2583:         res = (tocall(*args, **kwargs), None)
Edouard@2583:     except Exception:
Edouard@2583:         res = (None, sys.exc_info())
Edouard@2583:     return res