Delete all tweets older than 90 days

deletetweets.py

#!/usr/bin/env python

"""Deletes all tweets older than 90 days.
"""

from __future__ import print_function

# Dependencies: pip install twitter python-dateutil
import twitter
import dateutil.parser

import datetime

# Go to http://apps.twitter.com/, create an app, and fill in these values:
consumer_key = 'aaa'
consumer_secret = 'bbb'
access_token = 'ccc'
access_token_secret = 'ddd'

def twitter_login():
    """Connect to Twitter.
    
    Returns a Twitter instance.
    """
    auth = twitter.OAuth(access_token, access_token_secret, consumer_key, consumer_secret)
    return twitter.Twitter(auth=auth, retry=True)

def age_timedelta(tweet):
    """Determine the age of a tweet.
    
    Returns a datetime.timedelta value.
    """
    created_at = dateutil.parser.parse(tweet['created_at'])
    now = datetime.datetime.now(datetime.timezone.utc)
    return now - created_at

def delete_tweets(tw, max_age_in_days = 90, count = 200):
    """Delete tweets older than the specified age.
    
    Returns number of tweets deleted.  Returns 0 when there are no old tweets to delete.
    """
    deleted_count = 0
    tweets = tw.statuses.user_timeline(count=count, exclude_replies=False)
    for tweet in tweets:
        age = age_timedelta(tweet)
        if age.days > max_age_in_days:
            id = tweet['id']
            tw.statuses.destroy(id=id)
            print('Deleted tweet {} with age {}\n{}\n--'.format(id, age, tweet['text']))
            deleted_count += 1
    return deleted_count

tw = twitter_login()

total_count = 0
while True:
    count = delete_tweets(tw)
    if count == 0:
        break
    total_count += count

if total_count > 0:
    print('==\nDeleted tweet count: {}'.format(total_count))
else:
    print('There are no old tweets to delete')