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Clean Architecture in Python

APIs and Shades of Gray

Learn how APIs function as access points between layers in clean architecture. Understand the importance of maintaining strict data flow and when bending these rules might be warranted, including how to document such decisions to preserve system clarity and performance.

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API

APIApplication Programming Interfaces are of uttermost importance in clean architecture. An API is a fixed collection of entry points (methods or objects). Every layer may be accessed by elements that live in inner layers via an API.

The separation between layers and the contents of each layer are not always fixed and immutable. A well-designed system should be able to cope with a variety of practical issues. When we design an architecture, it’s very important ...