test1.py中,当分母为0的时候,调用系统退出
#!/usr/bin/python import sys def division(a=1, b=1): if b==0: print 'b eq 0' sys.exit(1) else: return a/btest2.py中,用try..except捕获异常,然后traceback.print_exc()打印。
#!/usr/bin/python import sys import traceback import test1 a=10 b=0 try: print test1.division(a,b) except: print 'invoking division failed.' traceback.print_exc() sys.exit(1)运行test2.py失败抛出异常。
$python test2.py execution python-2.5.1/python (enodeb/linux) b eq 0 invoking division failed. Traceback (most recent call last): File "test2.py", line 10, in <module> test1.division(a,b) File "/home/fesu/test1.py", line 6, in division sys.exit(1) SystemExit: 1
转载于:https://www.cnblogs.com/bhlsheji/p/4391078.html
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