docs: def get_page_args():
      """
          Get page arguments, returns a dictionary
          { <VIEW_NAME>: PAGE_NUMBER }
  
          Arguments are passed: page_<VIEW_NAME>=<PAGE_NUMBER>
  
      """
      pages = {}
      for arg in request.args:
          re_match = re.findall("page_(.*)", arg)
          if re_match:
              pages[re_match[0]] = int(request.args.get(arg))
      return pages