python try...except中如何输入e的行号

Question

try:
    print(aaa)
except Exception as e:
    print(e)

Answer 1

import sys, os

try:
    raise NotImplementedError("No error")
except Exception as e:
    exc_type, exc_obj, exc_tb = sys.exc_info()
    fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
    print(exc_type, fname, exc_tb.tb_lineno)

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python-when-i-catch-an-exception-how-do-i-get-the-type-file-and-line-number

Answer 2

建议研究一下traceback模块