Reddit user photos backup script

backit.py

#!/usr/bin/env python2
# coding: utf-8

import argparse
import re
from urllib import urlretrieve
from urllib2 import urlopen
from os.path import isfile

def download_json_and_photos(url, url_filename, output_path):
    p = re.compile(ur'(http://i.imgur.com/([a-zA-Z0-9]+.[a-zA-Z0-9]+))')

    json = urlopen(url).read()
    f = open(output_path + "/" + url_filename, "w+")
    f.write(json)
    f.close()
    
    print "Downloading imgur photos..."
    pics = re.findall(p, json)
    current = 0
    for pic in pics:
        current += 1
        print "[%d/%d]\t%s" % (current, len(pics), pic[0])
        filename = output_path + "/" + pic[1]
        if not isfile(filename): urlretrieve (pic[0], filename)

def main(username, path):
    print "Downloading submissions..."
    download_json_and_photos(
        "http://www.reddit.com/user/%s/submitted.json?limit=999999999" % username,
        "submitted.json",
        path)

    print "Downloading comments..."
    download_json_and_photos(
        "http://www.reddit.com/user/%s/comments.json?limit=999999999" % username,
        "comments.json",
        path)

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('username', help='reddit username')
    parser.add_argument('path', help='output path')
    args = parser.parse_args()
    main(args.username, args.path)