Question

我正在尝试捕获未引发的异常，只是记录了异常。有什么办法吗？

def exampleFunction():
    try:
        x = 1 / 0
    except Exception:
        logging.exception('divide by 0 error here.')

try:
    exampleFunction()
except <condition based on if logging.exception was called>
    print('there was a divide by 0 error when I called exampleFunction()')

Answer 1

我认为exampleFunction是您不拥有的一些可怕的第三方代码，否则会有很多更好的选择。

您可以做什么：

import logging # make sure this is the FIRST import of logging
import horrible_third_party_lib

def catch_log(msg):
   # do something when this is called
old_logging = logging.exception
try:
    logging.exception=catch_log
    horrible_third_party_lib.exampleFunction()
finally:
    logging.exception=old_logging

然后，您可以在函数中执行所需的所有操作。它对导入顺序很可怕而且很敏感，但是我已经使用了它并且可以正常工作（scikit learning做类似的令人讨厌的事情。）

Answer 2

问题：我正在尝试捕获异常
问题标题应重写为“ 我正尝试提出例外情况”

阅读Manning publishing
似乎有些双重工作，但您可以这样做：

html

输出：

def exampleFunction():
    try:
        x = 1 / 0
    except Exception as e:
        print("logging.exception({})".format(e))
        raise

try:
    exampleFunction()
except ZeroDivisionError as e:
    print('there was a divide by 0 error when I called exampleFunction()')

经过Python：3.5.3

的测试

Python：捕获logging.exception（）调用

2 个答案: