我正在尝试在线程中捕获异常并在主线程中重新引发它:
import threading
import sys
class FailingThread(threading.Thread):
def run(self):
try:
raise ValueError('x')
except ValueError:
self.exc_info = sys.exc_info()
failingThread = FailingThread()
failingThread.start()
failingThread.join()
print failingThread.exc_info
raise failingThread.exc_info[1]
这基本上可以正常工作,并产生以下输出:
(<type 'exceptions.ValueError'>, ValueError('x',), <traceback object at 0x1004cc320>)
Traceback (most recent call last):
File "test.py", line 16, in <module>
raise failingThread.exc_info[1]
然而,异常的源头指向了第16行,这是重新引发异常的地方。原始异常来自于第7行。我需要如何修改主线程,以便输出结果为:
Traceback (most recent call last):
File "test.py", line 7, in <module>