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Dependency injection and context management helpers inspired by FastAPI and built on dependency-injector.

Project description

WePositive DI

WePositive DI is a small dependency injection layer on top of dependency-injector with FastAPI-style dependency declarations that can be used in any Python application.

It has two parts:

Part Purpose
Dependency injection Register sync, async, factory, singleton, and context manager providers, then inject them with Depends[...].
Context management Store typed Pydantic context objects in an async-safe storage backend and expose the storage through DI.

Why use it?

  • Use the same dependency patterns in scripts, workers, web apps, and tests.
  • Keep dependencies explicit without passing every object through every call.
  • Manage resources with context manager providers that clean up after each call.
  • Swap implementations with provider overrides for tests or deployment-specific storage.

Start here

Read Getting Started for a short working example, then use Providers for the full provider matrix and API Reference for exact signatures.

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