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Asynchronous Server Gateway Interface

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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

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

  1. ^ "Daphne Website". Retrieved 2022-09-14.
  2. ^ "Uvicorn Website". Retrieved 2022-09-14.
  3. ^ "Hypercorn Website". Retrieved 2022-09-14.
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