Quickstart: Add sign-in with Microsoft to a Python web app

In this quickstart, you download and run a code sample that demonstrates how a Python web application can sign in users and get an access token to call the Microsoft Graph API. Users with an account in any Microsoft Entra organization can sign into the application.

See How the sample works for an illustration.

Prerequisites

• An Azure account with an active subscription. Create an account.
• Python 2.7+ or Python 3+
• Flask, Flask-Session, requests
• MSAL Python

Step 1: Configure your application in Azure portal

For the code sample in this quickstart to work:

1. Add a reply URL as http://localhost:5000/getAToken.
2. Create a Client Secret.
3. Add Microsoft Graph API's User.ReadBasic.All delegated permission.

Step 2: Download your project

Download the project and extract the zip file to a local folder closer to the root folder - for example, C:\Azure-Samples

Step 3: Run the code sample

1. You will need to install MSAL Python library, Flask framework, Flask-Sessions for server-side session management and requests using pip as follows:

   pip install -r requirements.txt
   

2. Run app.py from shell or command line:

   python app.py
   

   Important

   This quickstart application uses a client secret to identify itself as confidential client. Because the client secret is added as a plain-text to your project files, for security reasons, it is recommended that you use a certificate instead of a client secret before considering the application as production application. For more information on how to use a certificate, see these instructions.

More information

How the sample works

Getting MSAL

MSAL is the library used to sign in users and request tokens used to access an API protected by the Microsoft identity platform. You can add MSAL Python to your application using Pip.

pip install msal

MSAL initialization

You can add the reference to MSAL Python by adding the following code to the top of the file where you will be using MSAL:

import msal

Help and support

If you need help, want to report an issue, or want to learn about your support options, see Help and support for developers.

Next steps

Learn more about web apps that sign in users in our multi-part scenario series.