Reddit Wallet Address Scraper for NFT Giveaways

eth-scraper.py

#!/usr/bin/env python3
"""
This script is for parsing ETH wallet addresses from
Reddit comments for delivery of NFT's
"""

import sys
import re
import argparse
import praw

__version__ = '0.0.2'
__author__ = 'Corey Forman - @digitalsleuth'
__date__ = '26 JUL 2022'

def parse_comments(url, subreddit, output):
    """Reads through all comments and grabs wallet addresses"""
    raw_wallet_regex = re.compile("0x.{40}")
    ens_wallet_regex = re.compile("\w+\.?\w+\.eth")
    addresses = []
    post_comments = []
    u_agent = "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0"
    post = f'https://www.reddit.com/r/{subreddit}/comments/{url}'
    reddit_ro = praw.Reddit(client_id="",
                            client_secret="",
                            user_agent=u_agent)
    submission = reddit_ro.submission(url=post)
    submission.comments.replace_more(limit=None)
    for comment in submission.comments.list():
        post_comments.append(comment.body)

    for comment in post_comments:
        raw = re.search(raw_wallet_regex, comment)
        ens = re.search(ens_wallet_regex, comment)
        if raw and not ens:
            addresses.append((raw.group()).lower())
        elif ens and not raw:
            addresses.append((ens.group()).lower())
        elif ens and raw:
            addresses.append((ens.group()).lower())

    de_dup = sorted(set(addresses))
    with open(output, 'w') as output_file:
        for each_address in de_dup:
            output_file.write(f'{each_address}\n')
    output_file.close()


def main():
    """Parse all passed arguments"""
    arg_parse = argparse.ArgumentParser(description=f"Python 3 Reddit Wallet Address parser"
                                                    f" v{__version__}")
    arg_parse.add_argument('-u', '--url', help='short URL for the reddit thread', required=True)
    arg_parse.add_argument('-s', '--subreddit', help='subreddit to parse', required=True)
    arg_parse.add_argument('-o', '--output', help='choice in output file', required=True)
    arg_parse.add_argument('-v', '--version', action='version', version=arg_parse.description)

    if len(sys.argv[1:]) == 0:
        arg_parse.print_help()
        arg_parse.exit()

    args = arg_parse.parse_args()
    parse_comments(args.url, args.subreddit, args.output)

if __name__ == '__main__':
    main()