4

from __future__ import absolute_import

     5

import traceback

     7

from runtime.Worker import worker

     8

MainWorker = worker()

    10

from runtime.PLCObject import PLCObject

    12

_PLCObjectSingleton = None

    14

def GetPLCObjectSingleton():

    15

    global _PLCObjectSingleton

    16

    assert(_PLCObjectSingleton is not None)

    17

    return _PLCObjectSingleton

    18

    19

    20

def LogMessageAndException(msg, exp=None):

    21

    global _PLCObjectSingleton

    22

    if exp is None:

    23

        exp = sys.exc_info()

    24

    if _PLCObjectSingleton is not None:

    25

        _PLCObjectSingleton.LogMessage(0, msg + '\n'.join(traceback.format_exception(*exp)))

    26

    else:

    27

        print(msg)

    28

        traceback.print_exception(*exp)

    29

    30

def CreatePLCObjectSingleton(*args):

    31

    global _PLCObjectSingleton

    32

    _PLCObjectSingleton = PLCObject(*args)