Web Reference: To distinguish between protocol class variables and protocol instance variables, the special ClassVar annotation should be used. By default, protocol variables as defined above are considered readable and writable. To define a read-only protocol variable, one can use an (abstract) property. May 29, 2023 · In this article, we will dive into the world of Python Protocols and ABCs, exploring their individual characteristics and discussing the scenarios where one might be more suitable than the... Personally, I don't see any reasons to use ABC when you can use Protocols in exactly the same manner, but Protocols can also be used for structural typing. It's not just for providing an implementation that should be overridden by a subclass. Sometimes inheritance is useful.
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