reddit-user-comments.py

#!/usr/bin/python3

import praw
import sys
import time

comment_limit = None

def info(*args, **kwargs):
    print(*args, file=sys.stderr, **kwargs)


################################################################################

if len(sys.argv) < 3:
    raise Exception('Usage: %s USERNAME OUTPUT_FILE' % sys.argv[0])

redditor_name = sys.argv[1]
output_file   = sys.argv[2]

# set up API objects
info('fetching comments by ' + redditor_name)
r = praw.Reddit(user_agent='reddit-user-comments.py')
user = r.get_redditor(redditor_name)
comments = user.get_comments(limit=comment_limit)

# fetch data from Reddit
comment_bodies = []
for comment in comments:
    comment_bodies.append(['___\n***#',
                           ': [%s](%s)***\n\n%s\n___\n' % (time.strftime('%Y-%m-%d %H:%M:%S UTC',
                                                                         time.gmtime(comment.created_utc)),
                                                           comment.permalink,
                                                           comment.body.strip())])
    info('\rdownloaded %d comments' % len(comment_bodies), end='')
info('')

# write output file
info('writing ' + output_file)
with open(output_file, 'w') as out:
    for n, body in enumerate(reversed(comment_bodies)):
        print(body[0] + str(n+1) + body[1], file=out)

info('done!')