README.md

Pub/Sub Tutorial

Prerequisites

• Complete One-Time Setup, specifically:
  • Install the pittgoogle-client package
  • Setup authentication to a Google Cloud project
  • Set environment variables
  • Enable the Pub/Sub API
  • You can skip the command-line tools

Setup

import pittgoogle

Create a subscription to a topic in a different project

To listen to an alert stream served by Pitt-Google, you will need to create a subscription in your Google Cloud project that is attached to a topic in Pitt-Google's project.

ztopic = pittgoogle.Topic("ztf-loop", projectid=pittgoogle.ProjectIds().pittgoogle)
zloop = pittgoogle.Subscription("ztf-loop", schema_name="ztf", topic=ztopic)
# This will create a subscription in your Google Cloud project if it doesn't already exist.
zloop.touch()
zalert = zloop.pull_batch(max_messages=1)[0]
zalert.dataframe