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15 lines
834 B
Markdown
15 lines
834 B
Markdown
**English** · [Dansk](Lecture-5-Advanced-Decorators-da) · [Bahasa Melayu](Lecture-5-Advanced-Decorators-ms)
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# Lecture 5: Advanced decorators
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Code: `src/higher_lower/presentation/lectures/step_05_authenticated.py`.
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## What we gained
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- `*args` collects positional arguments and `**kwargs` collects keyword arguments, so a decorator works for any function.
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- `is_authenticated` reads the user from the arguments and runs the function only when `user.is_logged_in` is true.
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- A decorator can control whether a function runs at all, not only change its result.
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- The same pattern protects any function that needs a logged-in user.
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