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AsgiMiddleware Class

This middleware is to adapt an ASGI supported Python server framework into Azure Functions. It can be used by either calling the .handle() function or exposing the .main property in a HttpTrigger.

Instantiate an ASGI middleware to convert Azure Functions HTTP request into ASGI Python object. Example on handling ASGI app in a HTTP trigger by overwriting the .main() method:

import azure.functions as func

from FastapiApp import app

main = func.AsgiMiddleware(app).main

Inheritance

builtins.object

AsgiMiddleware

Constructor

AsgiMiddleware(app)

Parameters

Name	Description
app Required

Methods

handle	Deprecated. Please use handle_async instead: import azure.functions as func from FastapiApp import app async def main(req, context): return await func.AsgiMiddleware(app).handle_async(req, context)
handle_async	Method to convert an Azure Functions HTTP request into a ASGI Python object. Example on handling ASGI app in a HTTP trigger by calling .handle_async() in .main() method: import azure.functions as func from FastapiApp import app async def main(req, context): return await func.AsgiMiddleware(app).handle_async(req, context)
notify_shutdown	Notify the ASGI app that the server is shutting down.
notify_startup	Notify the ASGI app that the server has started.

handle

Deprecated. Please use handle_async instead:

import azure.functions as func

from FastapiApp import app

async def main(req, context): return await func.AsgiMiddleware(app).handle_async(req, context)

handle(req: HttpRequest, context: Context | None = None)

Parameters

Name	Description
req Required
context Required	Default value: None

handle_async

Method to convert an Azure Functions HTTP request into a ASGI Python object. Example on handling ASGI app in a HTTP trigger by calling .handle_async() in .main() method:

import azure.functions as func

from FastapiApp import app

async def main(req, context): return await func.AsgiMiddleware(app).handle_async(req, context)

async handle_async(req: HttpRequest, context: Context | None = None)

Parameters

Name	Description
req Required
context Required	Default value: None

notify_shutdown

Notify the ASGI app that the server is shutting down.

async notify_shutdown()

notify_startup

Notify the ASGI app that the server has started.

async notify_startup()