如何记录 Python 异常？
try:
do_something()
except:
# How can I log my exception here, complete with its traceback?
Use logging.exception https://docs.python.org/library/logging.html#logging.exception从内部except:处理程序/块来记录当前异常以及跟踪信息，并在前面添加一条消息。
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAME, level=logging.DEBUG)
logging.debug('This message should go to the log file')
try:
run_my_stuff()
except:
logging.exception('Got exception on main handler')
raise
现在查看日志文件，/tmp/logging_example.out:
DEBUG:root:This message should go to the log file
ERROR:root:Got exception on main handler
Traceback (most recent call last):
File "/tmp/teste.py", line 9, in <module>
run_my_stuff()
NameError: name 'run_my_stuff' is not defined
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