docs: def download_isbn():
      with open('raw.json') as input:
          data = json.load(input)
      '''
      print("Loading index")
      md = readmetadata()
      for record in data:
          id = record['metadata']['id']
          metadata = md[id]
          pprint(metadata)
          sys.exit(0)
          title = record['book']['title']
          isbn = isbnlib.isbn_from_words(title)
          metadata = isbnlib.meta(isbn)
          pprint(metadata)
          extracted_title = ''
          print title, extracted_title, isbn
          time.sleep(1)'''
      url = 'http://www.librarything.com/api/thingTitle/'
      for record in data:
          title = record['book']['title']
          final_url = url+quote_plus(title)
          content = requests.get(final_url).content
          soup = BeautifulSoup(content)
          extracted_title = soup.idlist.title.string
          isbn = soup.idlist.find("isbn").string
          metadata = isbnlib.meta(isbn)
          pprint(metadata)
          #print title, extracted_title, min(isbns)
          time.sleep(1)