AWS lambda implementation of a slackbot stockbroker app

Stockbroker-slackbot

import json
import urlparse
import urllib
import re

print('Loading function')


def lambda_handler(event, context):
    if not 'text' in urlparse.parse_qs(event['postBody']):
        return "Don't waste my time!"
    symbols = urlparse.parse_qs(event['postBody'])['text'][0]
    channel = urlparse.parse_qs(event['postBody'])['channel_name'][0]
    urllib.urlopen('https://amazon-robotics.slack.com/services/hooks/slackbot?token=REDACTED&channel=%23' + channel,
        'My accountant just called! Apparently ' + pretty_quotes(symbols))
    return "That's so cool, I let everyone know!"
    
def get_quote(symbol):
    base_url = 'http://finance.google.com/finance?q='
    content = urllib.urlopen(base_url + symbol).read()
    m = re.search(r'"price"\s+content="(.*?)"', content)
    if m:
        quote = m.group(1)
    else:
        quote = 'no quote available for: ' + symbol
    return quote

def pretty_quotes(symbols):
    return ", ".join([symbol.upper() + ": $" + get_quote(symbol) for symbol in symbols.split()])