Articles / blog posts

• Enforcing Single Responsibility Principle in Python
• Pythonic Dependency Injection: A Practical Guide
• Elegant Flask API Development Part 1 - Injector).
• Typed Functional Dependency Injection in Python
• Tests and comparison of Python dependency injection libraries - Tests and comparison of Python dependency injection libraries. [🐍, Unknown license].

Books

• Pythonic Application Architecture Patterns for Managing Complexity - A Book about Pythonic Application Architecture Patterns for Managing Complexity. Cosmos is the Opposite of Chaos you see. O'R. wouldn't actually let us call it "Cosmic Python" tho. [🐍, Other license].

Software

Archived or unmaintained DI frameworks

• Antidote - Dependency injection for Python. [🐍, MIT License].
• Serum - Dependency injection framework for Python 3.6. [🐍, MIT License].
• Aiodine - 🧪 Async-first Python dependency injection library. [🐍, MIT License].
• Wiring - Architectural foundation for Python applications. [🐍, Apache License 2.0].

DI components of Web frameworks

• Dependencies - First Steps
• Dependency Injection
• Dependency Injection
• di
• Rodi

DI Frameworks / Containers

• Lagom - wiring dependency injection with support for async and threading. [🐍, MIT License].
• python-dependency-injector - Dependency injection framework for Python. [🐍, BSD 3-Clause "New" or "Revised" License].
• returns - Make your functions return something meaningful, typed, and safe!. [🐍, BSD 2-Clause "Simplified" License].
• Injector - Python dependency injection framework, inspired by Guice. [🐍, BSD 3-Clause "New" or "Revised" License].
• Inject - Python dependency injection. [🐍, Apache License 2.0].
• Kink - Dependency injection container made for Python. [🐍, MIT License].
• Dependencies - Constructor injection designed with OOP in mind. [🐍, BSD 2-Clause "Simplified" License].
• Dishka - Cute DI framework with agreeable API and everything you need. [🐍, Apache License 2.0].
• Punq - An IoC container for Python 3.6+. [🐍, MIT License].
• svcs - A Flexible Service Locator for Python. [🐍, MIT License].
• That Depends - simple DI-framework, inspired by python-dependency-injector, but without wiring [🐍, MIT License].
• injectable - Python Dependency Injection for Humans™. [🐍, MIT License].
• Wireup - Concise, Powerful, and Type-Safe Python Dependency Injection Library. [🐍, MIT License].
• Opyoid - Dependency injection library for Python. [🐍, MIT License].
• Fresh Bakery - Bake dependency injections asynchronously and stupidly simple. [🐍, MIT License].
• andi - Library for annotation-based dependency injection. [🐍, BSD 3-Clause "New" or "Revised" License].
• Picodi - A DI library inspired by FastAPI. It integrates well with FastAPI but can also be used independently. [🐍, MIT License].
• Clean IoC - A simple unintrusive dependency injection library for python with strong support for generics [🐍, MIT License].
• injection - replacement for python-dependency-injector that works with Python 3.8-3.12 and works with FastAPI, DRF, Flask and Litestar [🐍, MIT License].
• FastDepends - FastAPI Dependency Injection system extracted from FastAPI and cleared of all HTTP logic. [🐍, MIT License].
• Modern DI - powerful DI-framework with scopes and IoC-container [🐍, MIT License].
• engin - a dependency injection powered application framework, inspired by Uber's fx framework. [🐍, MIT License].
• ididi - Genius simplicity, unmathced power, dependency injection in a single line of code. [🐍, MIT License]
• python-injection - Dead-simple dependency injection framework for Python. [🐍, MIT License].
• diwire - Type-safe dependency injection for Python with auto-wiring, scopes, async factories, and zero deps [🐍, MIT License].
• Overlay - A dependency injection framework with pytest-fixture syntax, plus a configuration language for declarative programming [🐍, MIT License].
• Injex - Tiny typed dependency injection container with constructor injection, singleton/transient/scoped lifetimes, test overrides, and graph validation before startup. Zero runtime dependencies. [🐍, MIT License].
• cdi-di - powerful python dependency injection, support generics, circular dep, lifetimes and more [🐍, MIT License].

Integration with web frameworks

• Flask-Injector - Adds Injector support to Flask. [🐍, BSD 3-Clause "New" or "Revised" License].

Talks / slides

• (PDF)
• (video)
• (PDF)

Videos

• Loose Coupling & Dependency Injection the EASY Way!
• Dependency INVERSION vs Dependency INJECTION in Python
• Dependency Inversion: Write BETTER PYTHON CODE Part 2