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Behind the Underscores EP11: Callable Objects: __call__
- The __call__ method in Python allows objects to behave like functions when implemented, enabling cleaner, modular backend systems.
- __call__ encapsulates state, enables cleaner dependency injection, and facilitates custom middleware or pipelines in projects.
- However, __call__ should be used judiciously as it can lead to readability concerns, debugging difficulties, and unnecessary abstractions.
- Use __call__ when objects need to maintain useful state, fit into callable APIs, or perform a single primary action, such as request logging middleware or authorization checking in backend systems.
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