Reddit migrate flair

migrate_flair.py

import praw


username = 'someuser'
password = 'somepassword'
user_agent = '/u/someuser for /r/yoursub'
client_id = 'abc123'
client_secret = 'xyz789'

reddit = praw.Reddit(user_agent=user_agent,
                     client_id=client_id,
                     client_secret=client_secret,
                     username=username,
                     password=password)

source_sub = 'somesourcesub'
target_sub = 'sometargetsub'

# Grab flairs from source subreddit
flair = reddit.subreddit(source_sub).flair(limit=None)

# Dump flair entries into a list
flair_map = []
for item in flair:
    if item['flair_text'] is None:
        item['flair_text'] = ''
    if item['flair_css_class'] is None:
        item['flair_css_class'] = ''
    flair_map.append(item)

# Migrate flairs to target subreddit
reddit.subreddit(target_sub).flair.update(flair_map)