new_contents: #!/usr/bin/env python
  
  import argparse
  import os
  import os.path
  
  from bs4 import BeautifulSoup
  import requests
  
  
  def post_filter(tag):
      if tag.name != 'blockquote':
          return False
      if not tag.has_attr('class'):
          return False
      return isinstance(tag['class'], list) and 'messageText' in tag['class']
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser(description='Scrape Religiousforums '
                                       'forum')
      parser.add_argument('id', type=str, help='Thread ID')
      parser.add_argument('-p', '--page', type=int, default=1,
                          help='Page number')
      parser.add_argument('-o', '--outdir', type=str, help='Output directory')
      parser.add_argument('-n', '--number', type=int, default=0,
                          help='Start post number')
      args = parser.parse_args()
  
      url = 'https://www.religiousforums.com/threads/{}/page-{}'
      url = url.format(args.id, args.page)
      r = requests.get(url)
      if r.status_code == 200:
          # Create save directory
          if args.outdir is not None:
              savedir = os.path.join(args.outdir, args.id)
          else:
              savedir = args.id
          os.makedirs(savedir, exist_ok=True)
  
          soup = BeautifulSoup(r.text)
          for i, post in enumerate(soup.find_all(post_filter)):
              num = i + args.number
              savefile = os.path.join(savedir, 'post-{}.txt'.format(num))
              with open(savefile, 'w') as fout:
                  print('\n'.join(list(post.stripped_strings)), file=fout)
  
subject: Write scraper script for Religiousforums forum