How to Upgrade Python version on Kudu Power Shell on Azure Function Windows App

Question

Hi,

I have deployed a Http Trigger Function which relies on external python script in order to perform some graphQL API calls. On my local environment I run the script with python 3.12 whereas in the Azure environment I noticed that the python version is currently 2.7.15 causing my script to have some syntax error, failing the execution.

How can I upgrade my Python executable version using the kudu power shell? As well as upgrading the pip and installing pre-requisite libraries for my function?

Answer 1

Hello , Welcome to MS Q&A

To upgrade your Python version, pip, and install the necessary libraries using Kudu PowerShell in Azure, follow these steps:

1. Access Kudu PowerShell:
   • Navigate to your Azure Function App in the Azure Portal.
   • Go to the "Advanced Tools" (Kudu) under the "Development Tools" section.
   • Click on "Go" to open the Kudu console.
   • In the Kudu console, click on the "Debug console" and select "PowerShell".
2. Download and Install Python:
   • Download the desired Python version (e.g., Python 3.12) from the official Python website.
   • Use the following PowerShell commands to download and install Python

               Invoke-WebRequest -Uri "https://www.python.org/ftp/python/3.12.0/python-3.12.0-amd64.exe" -OutFile "python-3.12.0-amd64.exe"
               .\python-3.12.0-amd64.exe /quiet InstallAllUsers=1 PrependPath=1
               
          
          
     

3. Upgrade pip:
   • After installing Python, upgrade pip using the following command:

           python -m ensurepip --upgrade
           python -m pip install --upgrade pip
           
      
      
   

4. Install Required Libraries:
   • Install the necessary libraries for your function using pip:

           python -m pip install <library_name>
           
      
      
   

Replace <library_name> with the actual names of the libraries you need to install.

By following these steps, you should be able to upgrade your Python version, pip, and install the required libraries for your Azure Function.

Examples: python -m pip install numpy

Please let us know if any questions

Kindly accept answer if it helps

Thanks

Deepanshu

Answer 2

Hello @Muhammad Guruh Ajinugroho

Firstly, you can try upgrading Python and pip using the Azure CLI. Here are the steps:

1. Open the Azure CLI and navigate to your function app.
2. Run the following command to upgrade Python to version 3.12: az webapp config set --resource-group --name --linux-fx-version "PYTHON|3.12" Replace with the appropriate values.
3. Run the following command to upgrade pip: python3.12 -m ensurepip --default-pip This will install the latest version of pip for Python 3.12.

If you still face access denied errors, you can try using Kudu to upgrade Python and pip. Here are the steps:

1. Open Kudu by navigating to https://.scm.azurewebsites.net.
2. Click on the Debug Console dropdown and select either PowerShell or CMD.
3. Navigate to the D:\home\Python312x64 directory.
4. Run the following command to upgrade pip: \python.exe -m ensurepip --default-pip This will install the latest version of pip for Python 3.12.
5. Run the following command to install any required libraries: .\Scripts\pip.exe install Replace with the name of the library you want to install.

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