SVGHMI: still quite naive path substitution whn prepearing widget for DnD, but now uses label generation.
Multiple widget DnD and mutiple variable still make no sense because all path are replaced with same path, but atleast min/max value are preserved...
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import print_function
import traceback
import sys
from runtime.Worker import worker
MainWorker = worker()
_PLCObjectSingleton = None
def GetPLCObjectSingleton():
assert _PLCObjectSingleton is not None
return _PLCObjectSingleton
def LogMessageAndException(msg, exp=None):
if exp is None:
exp = sys.exc_info()
if _PLCObjectSingleton is not None:
_PLCObjectSingleton.LogMessage(0, msg + '\n'.join(traceback.format_exception(*exp)))
print(msg)
traceback.print_exception(*exp)
def CreatePLCObjectSingleton(*args, **kwargs):
global _PLCObjectSingleton
from runtime.PLCObject import PLCObject # noqa # pylint: disable=wrong-import-position
_PLCObjectSingleton = PLCObject(*args, **kwargs)
def default_evaluator(tocall, *args, **kwargs):
try:
res = (tocall(*args, **kwargs), None)
except Exception:
res = (None, sys.exc_info())
return res