old_contents: """
  This module contains useful utility methods.
  """
  import requests
  
  
  def jq_format(code):
      """
      Use before throwing raw code such as 'div[tab="advanced"]' into jQuery.
      Selectors with quotes inside of quotes would otherwise break jQuery.
      This is similar to "json.dumps(value)", but with one less layer of quotes.
      """
      code = code.replace('\\', '\\\\').replace('\t', '\\t').replace('\n', '\\n')
      code = code.replace('\"', '\\\"').replace('\'', '\\\'')
      code = code.replace('\v', '\\v').replace('\a', '\\a').replace('\f', '\\f')
      code = code.replace('\b', '\\b').replace('\u', '\\u').replace('\r', '\\r')
      return code
  
  
  def get_domain_url(url):
      """
      Use this to convert a url like this:
      https://blog.xkcd.com/2014/07/22/what-if-book-tour/
      Into this:
      https://blog.xkcd.com
      """
      url_header = url.split('://')[0]
      simple_url = url.split('://')[1]
      base_url = simple_url.split('/')[0]
      domain_url = url_header + '://' + base_url
      return domain_url
  
  
  def _download_file_to(file_url, destination_folder, new_file_name=None):
      if new_file_name:
          file_name = new_file_name
      else:
          file_name = file_url.split('/')[-1]
      r = requests.get(file_url)
      with open(destination_folder + '/' + file_name, "wb") as code:
          code.write(r.content)
  
new_contents: """
  This module contains useful utility methods.
  """
  import requests
  
  
  def jq_format(code):
      """
      Use before throwing raw code such as 'div[tab="advanced"]' into jQuery.
      Selectors with quotes inside of quotes would otherwise break jQuery.
      This is similar to "json.dumps(value)", but with one less layer of quotes.
      """
      code = code.replace('\\', '\\\\').replace('\t', '\\t').replace('\n', '\\n')
      code = code.replace('\"', '\\\"').replace('\'', '\\\'')
      code = code.replace('\v', '\\v').replace('\a', '\\a').replace('\f', '\\f')
      code = code.replace('\b', '\\b').replace('\u', '\\u').replace('\r', '\\r')
      return code
  
  
  def get_domain_url(url):
      """
      Use this to convert a url like this:
      https://blog.xkcd.com/2014/07/22/what-if-book-tour/
      Into this:
      https://blog.xkcd.com
      """
      url_header = url.split('://')[0]
      simple_url = url.split('://')[1]
      base_url = simple_url.split('/')[0]
      domain_url = url_header + '://' + base_url
      return domain_url
  
  
  def is_xpath_selector(selector):
      """
      A basic method to determine if a selector is an xpath selector.
      """
      if (selector.startswith('/') or
              selector.startswith('./') or
              selector.startswith('(')):
          return True
      return False
  
  
  def _download_file_to(file_url, destination_folder, new_file_name=None):
      if new_file_name:
          file_name = new_file_name
      else:
          file_name = file_url.split('/')[-1]
      r = requests.get(file_url)
      with open(destination_folder + '/' + file_name, "wb") as code:
          code.write(r.content)
  
subject: Add a method to determine if a selector is an xpath selector