Simple Dependency Injection framework
Project description
"That Depends"
Dependency injection framework for Python.
Starting a new project? Also consider
modern-di, the newer DI framework from the same author with a smaller core and per-framework integration packages.that-dependsremains fully supported — see Ecosystem below.
It is production-ready and gives you the following:
- Simple async-first DI framework with IOC-container.
- Python 3.10+ support.
- Full coverage by types annotations (mypy in strict mode, pyrefly).
- Inbuilt FastAPI, FastStream and LiteStar compatibility.
- Dependency context management with scopes.
- Overriding dependencies for tests.
- Injecting dependencies in functions and coroutines without wiring.
- Package with zero dependencies.
Installation
pip install that-depends
Ecosystem
that-depends is part of the modern-python family.
If you're starting a new project, consider modern-di —
the newer DI framework from the same author, with separate framework adapters:
modern-di— core DI framework with scopesmodern-di-fastapi,modern-di-litestar,modern-di-faststream,modern-di-typer,modern-di-pytest
that-depends remains actively maintained — see the
migration guide if you
want to move existing projects across.
📚 Documentation
📦 PyPi
📝 License
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