def the_wrapper_around_the_original_function(*args, **kwargs):
from kthread import KThread
thread = KThread(
target=lambda: function_to_decorate(*args, **kwargs))
thread.start()
thread.join(timeout=seconds)
if thread.is_alive():
thread.kill()
if raise_timeout:
raise TimeoutError()
class DefaultKThreadTestCase(unittest.TestCase):
def setUp(self):
self.kthread = KThread(name = "DefaultKThreadTestThread", target = infinite_loop_func)
def runTest(self):
self.kthread.start()
self.assertTrue(self.kthread.isAlive(), "KThread failed to start")
# let it run for some time
time.sleep(5)
self.kthread.terminate()
# give it time to process exception
time.sleep(1)
self.assertFalse(self.kthread.isAlive(), "KThread failed to stop")
def tearDown(self):
self.kthread.join()
self.kthread = None
def _(*args, **kwargs):
result = []
new_kwargs = { # create new args for _new_func, because we want to get the func return val to result list
'oldfunc': func,
'result': result,
'oldfunc_args': args,
'oldfunc_kwargs': kwargs
}
thd = KThread(target=_new_func, args=(), kwargs=new_kwargs)
thd.start()
thd.join(
seconds
) # join(timeout) is for this thread blocked to wait its sub-thread timeout seconds
alive = thd.isAlive(
) # isAlive() to check if sub-thread timeouts after timeout seconds
thd.kill() # kill the child thread
if alive:
# raise Timeout(u'function run too long, timeout %d seconds.' % seconds)
try:
raise Timeout(
u'function run too long, timeout %d seconds.' %
seconds)
finally:
return u'function run too long, timeout %d seconds.' % seconds
else:
return result[0]