Hangouts Chat Cloud Pub/Sub bot sample

This code sample creates a simple Hangouts Chat bot that listens for messages via Cloud Pub/Sub.

Run the sample locally

Before you can run the sample, do the following:

Follow the directions for setting up a topic and subscription as described in Using Cloud Pub/Sub as an endpoint for your bot.
Start a virtual environment
```
virtualenv env
source env/bin/activate
```
Install libraries using pip.
```
pip install -r requirements.txt
```
Run the sample, substituing your subscription id and service account JSON file from step 1. SUBSCRIPTION_ID=your-subscription-id GOOGLE_APPLICATION_CREDENTIALS=your-service-account.json python bot.py

Interact with the bot

Either add and @mention the bot in a room or in a direct mention to engage with the bot.

When added to a room or messaged, the bot will respond with a simple reply.