Starlette

Starlette is a lightweight ASGI framework/toolkit, which is ideal for building async web services in Python.

Features

It is production-ready, and gives you the following:

• A lightweight, low-complexity HTTP web framework.
• WebSocket support.
• In-process background tasks.
• Startup and shutdown events.
• Test client built on requests.
• CORS, GZip, Static Files, Streaming responses.
• Session and Cookie support.
• 100% test coverage.
• 100% type annotated codebase.
• Few hard dependencies.
• Compatible with asyncio and trio backends.
• Great overall performance against independent benchmarks.

See also

• FastAPI
• Asynchronous Server Gateway Interface (ASGI)
• Mangum - AWS Lambda support for ASGI applications

Favorite site

• starlette web site