您可以使用sys.excepthook和通过猴子补丁来解决此问题sys.exit()：
import atexit
import sys
class ExitHooks(object):
def __init__(self):
self.exit_code = None
self.exception = None
def hook(self):
self._orig_exit = sys.exit
sys.exit = self.exit
sys.excepthook = self.exc_handler
def exit(self, code=0):
self.exit_code = code
self._orig_exit(code)
def exc_handler(self, exc_type, exc, *args):
self.exception = exc
hooks = ExitHooks()
hooks.hook()
def foo():
if hooks.exit_code is not None:
print("death by sys.exit(%d)" % hooks.exit_code)
elif hooks.exception is not None:
print("death by exception: %s" % hooks.exception)
else:
print("natural death")
atexit.register(foo)
# test
sys.exit(1)
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