RODI is a dependency injection library for Python 3, providing a lightweight and fast implementation of the dependency injection pattern. It supports both synchronous and asynchronous dependency resolution. Key features: * Fast dependency injection container * Support for singleton and transient lifetimes * Automatic dependency resolution * Support for factory functions * Decorator-based service registration * Type hints support for automatic registration * Compatible with async/await patterns RODI is designed to be simple, fast, and easy to integrate into existing Python applications, particularly web frameworks and applications.