Simple Slack BOT example

simple Slack BOT tutorial

some tutorials on google.com would be different with this tutorial since it different client

Prerequisite

• Set up python environment
  • python -m venv slack-env
  • pip install -r requirements.txt
• Sign up ngrok to setup local machine as server
  • because we need local server that subscriptions to slack event
• Create a slack bot on website to get token
• Install an @lazyawsbot to workspace
• Setup slack bot token
  • depend on your OS then set a token inside script file and execute

Example

Hello World Slack Bot

Let's start with simple.py which is a hello world message

Steps

• Add permission for bot to join channel channels:join and chat:write
• Invite chat bot to general channel via mention @lazyawsbot
• run python .\simple.py

Expected you should have Hello World! message in channel

Real Time Messaging (RTM)

is a WebSocket-based API that allows you to receive events from Slack in real time and send messages as users

Steps

• On VSCode to run with Simple RTM debugger mode
• Use ngrok to make a web server tunnel on ngrok http 3000
• Grab ngrok_url + /slack/events and register on Event Subscriptions page in api slack
  • subscribe bot events with message.channels
• Add @lazyawsbot into #General
• Type Hello World and wait for response

AWS Lazy Bot

A bot that have abilities to queries EC2 instance name on AWS

Prerequisite

• AWS Cli
  • pip install awscli
• AWS User
  • Add permission for Administrator API Gateway and Lambda
  • setup AWS cli with aws configuration

Steps

• Run AWS scripts to generate API gateway

Complex Bot Information

• Tracking conversations
  • in complex bot we need to interact with bot in multiple conversation
  • create a db for keep database identities and manage business logic
    • and removed from the db/memory list if it not continue conversation
• Threaded messages
  • bot will still receive message events for these threaded
  • bot need to reply to correct in the relevant location

References Document

• Python slack BOT Tutorial
• API Methods
• API Events Methods
• Python Slack Client
• Python Slack Events API