readme.md

1. Create the lambda function with daily trigger
2. goto https://apps.twitter.com/
3. Create a new app
4. In keys and access tokens for the new app click "create access token"
5. Fill in the values here

lambda_function.py

import datetime
import requests
from requests_oauthlib import OAuth1
auth = OAuth1(
    'consumer',
    'consumer_secret',
    'auth',
    'auth_secret'
)

reinvent = datetime.date(2016, 11, 28)
today = datetime.date.today()
diff = reinvent - today

status = """\
Only {} days until @AWSreInvent #RoadToReInvent!! https://reinvent.awsevents.com/
""".format(diff.days)


def lambda_handler(event, context):
    resp = requests.post(
        "https://api.twitter.com/1.1/statuses/update.json",
        data={'status': status},
        auth=auth
    )
    resp.raise_for_status()