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Description:

anydi 0.29.2

AnyDI

Modern, lightweight Dependency Injection library using type annotations.

Documentation
http://anydi.readthedocs.io/

AnyDI is a modern, lightweight Dependency Injection library suitable for any synchronous or asynchronous applications with Python 3.8+, based on type annotations (PEP 484).
The key features are:

Type-safe: Resolves dependencies using type annotations.
Async Support: Compatible with both synchronous and asynchronous providers and injections.
Scoping: Supports singleton, transient, and request scopes.
Easy to Use: Designed for simplicity and minimal boilerplate.
Named Dependencies: Supports named dependencies using Annotated type.
Resource Management: Manages resources using context managers.
Modular: Facilitates a modular design with support for multiple modules.
Scanning: Automatically scans for injectable functions and classes.
Integrations: Provides easy integration with popular frameworks and libraries.
Testing: Simplifies testing by allowing provider overrides.

Installation
pip install anydi

Quick Example
app.py
from anydi import auto, Container

container = Container()

@container.provider(scope="singleton")
def message() -> str:
return "Hello, world!"

@container.inject
def say_hello(message: str = auto) -> None:
print(message)

if __name__ == "__main__":
say_hello()

FastAPI Example
app.py
from fastapi import FastAPI

import anydi.ext.fastapi
from anydi import Container
from anydi.ext.fastapi import Inject

container = Container()

@container.provider(scope="singleton")
def message() -> str:
return "Hello, World!"

app = FastAPI()

@app.get("/hello")
def say_hello(message: str = Inject()) -> dict[str, str]:
return {"message": message}

# Install the container into the FastAPI app
anydi.ext.fastapi.install(app, container)

Django Ninja Example
container.py
from anydi import Container

def get_container() -> Container:
container = Container()

@container.provider(scope="singleton")
def message() -> str:
return "Hello, World!"

return container

settings.py
INSTALLED_APPS = [
...
"anydi.ext.django",
]

ANYDI = {
"CONTAINER_FACTORY": "myapp.container.get_container",
"PATCH_NINJA": True,
}

urls.py
from django.http import HttpRequest
from django.urls import path
from ninja import NinjaAPI

from anydi import auto

api = NinjaAPI()

@api.get("/hello")
def say_hello(request: HttpRequest, message: str = auto) -> dict[str, str]:
return {"message": message}

urlpatterns = [
path("api/", api.urls),
]