How to run Python code in Azure functions?

Alexandra 137 Published: 11/03/2024

How to run Python code in Azure functions?

To run a Python code in Azure Functions, you'll need to follow these steps:

Step 1: Create an Azure Function

First, create a new Azure function using the Azure portal or by using the Azure CLI command:

az functionapp create --name MyPythonFunction --runtime python

This will create a new Azure function with a Python runtime.

Step 2: Configure the Runtime

Next, you need to configure the Python runtime for your Azure function. You can do this by editing the function.json file in your Azure function's directory. This file specifies the settings for your function, including the runtime.

Here's an example of what the function.json file might look like:

{

"bindings": [

{

"type": "httpTrigger",

"direction": "in",

"name": "req",

"methods": ["get", "post"]

},

{

"type": "http",

"direction": "out",

"name": "res"

}

],

"runtimeStack": "python3.8"

}

In this example, we're specifying that our Azure function should run with Python 3.8.

Step 3: Write Your Python Code

Now it's time to write your Python code! Create a new file called __init__.py (yes, with double underscores) in the same directory as your function.json file. This file contains the code for your Azure function.

Here's an example of what the __init__.py file might look like:

import logging

logging.basicConfig(level=logging.INFO)

def run(req):

logging.info('Received request: %s', req)

Your Python code goes here!

return 'Hello from Azure Functions!'

In this example, we're setting up some basic logging and defining a run function that will handle incoming requests.

Step 4: Deploy Your Code

Once you've written your Python code, you can deploy it to Azure by running the following command:

az functionapp deployment create --name MyPythonFunction

This command creates a ZIP package of your code and deploys it to Azure.

Step 5: Test Your Function

Finally, test your Azure function by sending a request to its URL. You can use a tool like Postman or cURL to send an HTTP request to your function's URL.

When you do, your Python code should run, log some information, and return a response!

That's it! With these steps, you've successfully run Python code in Azure Functions.

Some additional tips:

Make sure you have the correct Python runtime installed on your system. You can check which version of Python is installed by running python --version in your terminal. Be mindful of the Azure Functions limitations when working with large files or complex computations. If you're planning to do a lot of CPU-intensive work, you might want to consider using a different cloud provider like AWS Lambda. Don't forget to set up proper error handling and logging for your Azure function.

I hope this helps! Let me know if you have any questions or need further assistance.

Azure Python certification

I'm happy to respond in English for you!

Azure Python Certification: A Comprehensive Overview

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