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Exceptions on threads

main2
Bob Mottram 2019-10-14 21:32:00 +01:00
parent 91073aca1b
commit cb0f95c62b
1 changed files with 35 additions and 11 deletions
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46
threads.py
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@ -13,20 +13,44 @@ import time
class threadWithTrace(threading.Thread):
def __init__(self, *args, **keywords):
self._args, self._keywords = args, keywords
threading.Thread.__init__(self, *self._args, **self._keywords)
self.killed = False
tries=0
while tries<3:
try:
self._args, self._keywords = args, keywords
threading.Thread.__init__(self, *self._args, **self._keywords)
self.killed = False
break
except Exception as e:
print('ERROR: threads.py/__init__ failed - '+str(e))
time.sleep(1)
tries+=1
def start(self):
self.__run_backup = self.run
self.run = self.__run
threading.Thread.start(self)
def __run(self):
sys.settrace(self.globaltrace)
self.__run_backup()
self.run = self.__run_backup
tries=0
while tries<3:
try:
self.__run_backup = self.run
self.run = self.__run
threading.Thread.start(self)
break
except Exception as e:
print('ERROR: threads.py/start failed - '+str(e))
time.sleep(1)
tries+=1
def __run(self):
tries=0
while tries<3:
try:
sys.settrace(self.globaltrace)
self.__run_backup()
self.run = self.__run_backup
break
except Exception as e:
print('ERROR: threads.py/__run failed - '+str(e))
time.sleep(1)
tries+=1
def globaltrace(self, frame, event, arg):
if event == 'call':
return self.localtrace