Print list of upvoted links on reddit by count per subreddit, then subreddit name.

upvoted_counter.py

import praw


def main():
    r = praw.Reddit(user_agent='/u/someuser upvoted counter',
                         client_id='CLIENT_ID', client_secret='CLIENT_SECRET',
                         username='USERNAME', password='PASSWORD')
    liked = r.user.me().upvoted(limit=None)
    likes = {}
    for l in liked:
        sub = l.subreddit.display_name
        if sub in likes:
            likes[sub] += 1
        else:
            likes[sub] = 1
    likes = sorted(likes.items(), key=lambda v: (-v[1], v[0].lower()))
    for l in likes:
        print(l[0] + ": " + str(l[1]))

if __name__ == '__main__':
    main()