Hubot + Invoke (python)

invoke.coffee

# Description:
#   Run invoke commands.
#
# Commands:
#   hubot invoke <subcommand>

{spawn, exec}  = require 'child_process'
module.exports = (robot) ->

 # Deploy to staging
 robot.respond /invoke (.*)/i, (msg) ->
    send = (text, prefix='') ->
        msg.send prefix+text

    # Get subcommand
    subcommand = msg.match[1]
    # Tell the user hubot is working on the request
    msg.send "Preparing to invoke now..."
    # Execute a pyinvoke command
    command = "invoke #{subcommand}"

    invoke = exec command  #, (err, stdout, stderr) ->

    invoke.stderr.on 'data', (data) ->
        for line in data.toString().split('\n')
            send line, 'Error: '

    invoke.stdout.on 'data', (data) ->
        for line in data.toString().split('\n')
            send line

    invoke.on 'exit', (code) ->
        if code == 0
            send "Done #{command}."
        else
            send "FAILED #{command}. Returned #{code}"