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1 BaseException 2 +-- SystemExit 3 +-- KeyboardInterrupt 4 +-- GeneratorExit 5 +-- Exception 6 +-- StopIteration 7 +-- StopAsyncIteration 8 +-- ArithmeticError 9 ... 阅读全文
posted @ 2017-05-07 17:21
道高一尺
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进入时，调用对象的__enter__ 退出时，调用对象的__exit__ 阅读全文
posted @ 2017-05-07 17:05
道高一尺
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1 import logging 2 3 def foo(s): 4 return 10 / int(s) 5 6 def bar(s): 7 return foo(s) * 2 8 9 def main(): 10 try: 11 bar(0) 12 except Exception as e: 13 ... 阅读全文
posted @ 2017-05-07 16:51
道高一尺
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1 import sys 2 try: 3 a = 3 4 assert a > 4 5 except: 6 exc = sys.exc_info()#返回异常的元祖 7 print (exc) 阅读全文
posted @ 2017-05-07 15:51
道高一尺
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