Does Python projects need to be layered?

Python project: tradeoffs on pros and cons of layered design

When learning Python, I came into contact with many open source projects, especially those based on the Django framework. I often find that view functions (views) contain a lot of business logic, similar to controllers in Java. So, does Python projects need to be layered?

This is closely related to the MVC architecture. The stratification of Python projects depends on the complexity of the project. For large and complex projects, hierarchical structures (e.g., separating business logic from view functions) can significantly improve code maintainability and scalability, making code clearer and team collaboration more efficient.

However, for small and simple projects, forced hierarchy will increase the amount of code and development burden, which will not be worth the cost. It is also a feasible solution to deal with logic directly in view functions.

Therefore, the hierarchical design of Python projects should be determined based on actual conditions, and a balance between code simplicity and project maintainability and scalability.

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