https://www.pistack.xyz/tags/inversion-of-control/ Recent content in Inversion-of-Control on Pi Stack Hugo en-us Fri, 03 Jul 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-07-03-python-dependency-injection-libraries-dependency-injector-injector-punq-rodi/ Fri, 03 Jul 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-07-03-python-dependency-injection-libraries-dependency-injector-injector-punq-rodi/ <h2 id="introduction">Introduction</h2> <p>Dependency Injection (DI) is a design pattern that decouples object creation from object usage, making code more testable, maintainable, and flexible. While Python&rsquo;s dynamic nature means you can often get by without a formal DI container, larger applications — especially those following Clean Architecture or Domain-Driven Design — benefit significantly from structured DI. This article compares four popular Python DI libraries: dependency-injector, injector, punq, and rodi, evaluating them on API design, performance, async support, and real-world usability.</p>