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subclassing file objects (to extend open and close operations) in python 3

Suppose I want to extend the built-in file abstraction with extra operations at open and close time. In Python 2. ... beyond the 2.x code shown? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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subclassing - How to subclass str in Python

I am trying to subclass str object, and add couple of methods to it. My main purpose is to learn how to ... instance in __new__() method right? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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