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Python interfaces: abandon ABC and switch to Protocols (levelup.gitconnected.com)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 1 year ago (1 children)

I wouldn't say Protocols are more "fragile"... They're more strict.

[–] [email protected] 1 points 1 year ago

The opposite is true. If you have two interfaces that contain methods with the same name, then they have the same typing.Protocol. It is not possible to specify preconditions or contracts, as you would with abc.