Did not find functions with language [python].

Question

Did not find functions with language [python].

Leon Patmore 1

Hello,

I am trying to create a web app function for a python function. I am using the following app settings:

FUNCTIONS_EXTENSION_VERSION=~4
FUNCTIONS_WORKER_RUNTIME=python

Which according to the docs should be valid. However, I am getting the following error on the console:
Microsoft.Azure.WebJobs.Script: Did not find functions with language [python].

I have tried to find out the meaning of this but have been unable to find any useful information. Does anyone know exactly what this means, and what a possible cause is?

Cheers

Bruno Lucas 4,436 Reputation points MVP

2022-11-22T05:54:14.007+00:00

Hi @Leon Patmore
What are you using to create that? VS code? Visual Studio 2022? Are you creating the web app in portal? and publishing code with VS code?

You also mentioned :
I am trying to create a web app function for a python function. I am using the following app settings:
FUNCTIONS_EXTENSION_VERSION=~4
FUNCTIONS_WORKER_RUNTIME=python

Are you trying to create a Web App or Function App? those settings seem to be for azure function, therefore, you need to create a project for Azure function

1 answer

Your answer

Bruno Lucas 4,436 Reputation points MVP

2022-11-22T05:54:14.007+00:00

Hi @Leon Patmore
What are you using to create that? VS code? Visual Studio 2022? Are you creating the web app in portal? and publishing code with VS code?

You also mentioned :
I am trying to create a web app function for a python function. I am using the following app settings:
FUNCTIONS_EXTENSION_VERSION=~4
FUNCTIONS_WORKER_RUNTIME=python

Are you trying to create a Web App or Function App? those settings seem to be for azure function, therefore, you need to create a project for Azure function

Answer 1

MikeUrnun 9,777 Moderator

Hello @Leon Patmore - Thanks for posting on MS Q&A! It sounds like you've created a Function App and setup the required App Settings but did you also create functions? If you're using Portal, here are the steps: Create your first function in the Azure portal

Leon Patmore 1 Reputation point

2022-12-07T00:10:30.587+00:00

Hey, thanks for the replies.

I am creating the function app myself (via infra as code). I have uploaded my function code to a storage account, and validated that the code exists. I think I do have a function (I will show in the following image).

I guess it's related, but if I try and run my function via the Azure web console I get the following error message: Function host is not running.

I also see the following error about the function runtime being unreachable:

The function code I have uploaded into the storage account is as follows:

./host.json

{
"version": "2.0"
}

./MyFunction/azure.py

import logging
import json
import azure.functions as func

def main(req: func.HttpRequest) -> func.HttpResponse:
logging.info('Python HTTP trigger function processed a request.')
return func.HttpResponse(
json.dumps({
'method': req.method,
'url': req.url,
'headers': dict(req.headers),
'params': dict(req.params),
'get_body': req.get_body().decode()
})
)

./MyFunction/function.json

{
"scriptFile": "azure.py",
"bindings": [
{
"authLevel": "anonymous",
"type": "httpTrigger",
"direction": "in",
"name": "req"
},
{
"type": "http",
"direction": "out",
"name": "$return"
}
]
}

Maybe I have missed an error message somewhere, but I can't seem to work out exactly what the issue is from the previous two error messages I spoke about.

cheers
Leon Patmore 1 Reputation point

2022-12-07T00:18:24.237+00:00

Just to add, these are the current notifications on my function app:
MikeUrnun 9,777 Reputation points Moderator

2022-12-07T23:22:41.173+00:00

@Leon Patmore Is the connection to the Storage intact?

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Did not find functions with language [python].

1 answer

Your answer