You can use Pub/Sub and App Engine to send and receive Pub/Sub messages in an App Engine app for Python.
To learn how to combine these services, see the following App Engine tutorials:
- .NET: Writing and responding to Pub/Sub messages
- GO: Writing and responding to Pub/Sub messages
- Java: Writing and responding to Pub/Sub messages
- Node.JS: Writing and responding to Pub/Sub messages
- PHP: Writing and responding to Pub/Sub messages
- Python: Writing and responding to Pub/Sub messages
- Ruby: Writing and responding to Pub/Sub messages