Steps

1. Create Virtual Environment python3 -m venv venv

2. Activate Virtual Environment source venv/bin/activate

3. Install dependencies pip3 install -r requirements.txt

4. Create Google OAuth client (Use your personal gmail address and not UT email address)

   • Login to https://console.cloud.google.com/apis/
   • Create Google Cloud Project
   • Configure OAuth consent screen
   • Go to "Credentials->Create Credentials->OAuth client ID"
   • On "Create OAuth client ID" screen
     • Choose "Application type->Web application"
     • Give some name
     • In "Authorized redirect URIs", Add URI: http://localhost:5003/oauth2callback
     • Save
     • Download the client's ID and secret as JSON.
     • Save it in this folder by name "client_secret.json"

5. Run web app

   • When developing (Use Flask's built-in web server): python3 oauthexample.py

6. Access web app

curl http://localhost:5003

7. Login to the Web app using your Gmail credentials

8. If the login is successful, you should see the musicmarketplace html page with your gmail username in the top.

9. Try search

10. Try logout and login again.

Debug web app

• Put breakpoint in code: import pdb; pdb.set_trace()

• Check logs: more myapp.log

Stop web app

• If running directly using python interpreter Hit Cntrl+C

• If running using Gunicorn ./stop-app.sh

---

Reference:

• https://developers.google.com/identity/protocols/oauth2/web-server#python_3