new_contents: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  __author__    = "nix-py"
  __date__      = "20-02-2017"
  __license__   = "MIT"
  __copyright__ = "Copyright © 2017 nix-py"
  
  
  import argparse
  import os
  import json
  import requests
  
  
  def get_photo_urls(blog_name, pages):
      for page in range(pages):
          api_url = (
                  'http://{}.tumblr.com/api/read/json?start={}&num=50'.format(
                  blog_name, page
                  ))
          html_src = requests.get(api_url).text
          html_src = html_src.replace('var tumblr_api_read = ', '')
          html_src = html_src.replace(';', '')
          json_data = json.loads(html_src)
  
          for d in json_data['posts']:
              try:
                  yield d['photo-url-1280']
              except:
                  pass
  
  
  def download_posts(url, blog_name):
      # Make filename
      url_chars = url.split('/')[-1]
      file_name = "{name}_{chars}".format(name=blog_name, chars=url_chars)
  
      # Start downloading
      if os.path.exists(file_name):
          print("{} already downloaded".format(file_name))
      else:
          r = requests.get(url, stream=True)
          print("Downloading {}".format(file_name))
          with open(file_name, 'wb') as outfile:
              for chunk in r.iter_content(chunk_size=1024):
                  if chunk:
                      outfile.write(chunk)
                  else:
                      return
          
  
  if __name__ == "__main__":
      parser = argparse.ArgumentParser(description='Tumblr download script')
      parser.add_argument(
              'blog_name',
              help='Name of the blog, eg. quotes'
              )
      parser.add_argument(
              '-n', '-num',
              dest='pages',
              metavar='N',
              action='store',
              type=int,
              default=1,
              help='Number of pages',
              )
      args = parser.parse_args()
  
      for url in get_photo_urls(args.blog_name, args.pages):
          download_posts(url, args.blog_name)
  
subject: Add script