Understanding Python: Abstract Base Classes

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In this video, I go over abstract base classes.
Included in the lesson is how to create a basic abstract base class with abstract methods as well as the basis for a powerful plugin system.
As always, if you have any questions or suggestions for future videos, please leave a comment down below.
Follow me on twitter: / jakejcallahan
Source: github.com/JacobCallahan/Unde...
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Опубликовано:

31 мар 2023

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Комментарии : 17

@JakeCallahan Год назад

If you find some great examples of ABCs in the wild, please reply to this comment with a link!

@sanithumabarna Год назад

Can you explain how descripters in python works ?

@JakeCallahan Год назад

I sure can. In fact, I'll move that up to be the subject of my next video.

@JakeCallahan Год назад

You asked for it, so you got it! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-3QqURpf7Wjs.html

@halfbakedthoughts4150 9 месяцев назад

@@JakeCallahancame here after your descriptor video.. you are a blessing... to stick to your word and getting it done so quick.. Looking forward to more of such great videos from you I would just request one thing to start with a real life use case as to why we would prefer these concepts implemented before jumping on to how it works

@JakeCallahan 9 месяцев назад

@halfbakedthoughts4150 thank you for the kind words and feedback. I like to build up towards the more practical examples, but I can definitely see how showing practical could be motivational.

@TheMako101 7 месяцев назад

Excellent tutorial, @JakeCallahan. You've covered the material beautifully, especially the "register" functionality. I've read the official docs and had no idea what it was talking about 😅. Now it's crystal clear! Thank you !!

@toxfux 10 месяцев назад

very nice explaination. Thanks!

@dragonkat13 Год назад

great video! informative and easy to understand as usual! thanks!

@hackytech7494 10 месяцев назад

Thank you so much.

@ShuCarolina 4 дня назад

Where does the plugin() in line 23 come from? I don't see it in this ServicePlugin class.

@magno5157 4 месяца назад

What's the difference between abstractmethod and abc.abstractclassmethod?

@JakeCallahan 4 месяца назад

The second is used for methods decorated with @classmethod. If you're unsure what those are, check out my video in this playlist on Basic Classes.

@magno5157 4 месяца назад

@@JakeCallahan ah... so it's just @abstractmethod @classmethod in a single decorator

@JakeCallahan 4 месяца назад

You're correct! However, abstractclassmethod was deprecated almost immediately after being introduced because they enabled the classmethod decorator to decorate an abstractmethod. So to do this, just stack a classmethod decorator on top of the abstractmethod decorator.

@magno5157 4 месяца назад

@@JakeCallahan I see but seeing that you use it, I guess people still widely use the decorator?

@JakeCallahan 4 месяца назад

While you can use it for now, it will be removed in the future, so best to avoid it.