Asynchronous Server Gateway Interface
The Asynchronous Server Gateway Interface (ASGI) is a calling convention for web servers to forward requests to asynchronous-capable Python programming language frameworks, and applications. It is built as a successor to the Web Server Gateway Interface (WSGI).
Where WSGI provided a standard for synchronous Python application, ASGI provides one for both asynchronous and synchronous applications, with a WSGI backwards-compatibility implementation and multiple servers and application frameworks.
Asynchronous Server Gateway Interface (ASGI) servers
Below listed some complete or upcoming implementations of Asynchronous Server Gateway Interface (ASGI Specification) - web servers and frameworks.
Daphne
Daphne is a Hypertext Transfer Protocol, HTTP2 and WebSocket protocol server for ASGI and ASGI-HTTP, developed to power Django (web framework) Channels. It supports automatic negotiation of protocols; there's no need for URL prefixing to determine WebSocket endpoints versus HTTP endpoints.[1]
Uvicorn
Uvicorn is an ASGI web server implementation for Python (programming language). Uvicorn currently supports HTTP/1.1 and WebSockets.[2]
Hypercorn
Hypercorn is an ASGI and WSGI web server based on the sans-io hyper, h11, h2, and wsproto libraries and inspired by Gunicorn. Hypercorn supports HTTP/1, HTTP/2, WebSockets (over HTTP/1 and HTTP/2), ASGI, and WSGI specifications. Hypercorn can utilise asyncio, uvloop, or trio worker types.[3]
See also
References
- ^ "Daphne Website". Retrieved 2022-09-14.
- ^ "Uvicorn Website". Retrieved 2022-09-14.
- ^ "Hypercorn Website". Retrieved 2022-09-14.
External links
- Asynchronous Server Gateway Interface Documentation
- Asynchronous Server Gateway Interface Specification
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