epicyon/threads.py

57 lines
1.4 KiB
Python

__filename__ = "threads.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "0.0.1"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
import threading
import sys
import trace
import time
class threadWithTrace(threading.Thread):
def __init__(self, *args, **keywords):
threading.Thread.__init__(self, *args, **keywords)
self.killed = False
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
def globaltrace(self, frame, event, arg):
if event == 'call':
return self.localtrace
else:
return None
def localtrace(self, frame, event, arg):
if self.killed:
if event == 'line':
raise SystemExit()
return self.localtrace
def kill(self):
self.killed = True
def testThreadsFunction(param: str):
for i in range(10000):
time.sleep(2)
def testThreads():
print('testThreads')
thr = threadWithTrace(target=testThreadsFunction,args=('test',),daemon=True)
thr.start()
assert thr.isAlive()==True
time.sleep(1)
thr.kill()
thr.join()
assert thr.isAlive()==False