docs: def generate_sha1(string, salt=None):
      """
      Generates a sha1 hash for supplied string. Doesn't need to be very secure
      because it's not used for password checking. We got Django for that.
  
      :param string:
          The string that needs to be encrypted.
  
      :param salt:
          Optionally define your own salt. If none is supplied, will use a 
          random string of 5 characters.
  
      :return: Tuple containing the salt and hash.
  
      """
      if not salt:
          salt = hashlib.sha1(str(random.random()).encode('utf-8')).hexdigest()[:5]
      hash = hashlib.sha1((salt+str(string)).encode('utf-8')).hexdigest()
  
      return (salt, hash)