code: def read_http_status_codes(filename='HTTP_1.1  Status Code Definitions.html'):
      r 
      lines = read_text(filename)
      level_lines = get_markdown_levels(lines, 3)
      code_dict = {}
      for level, line in level_lines:
          code, name = (re.findall(r'\s(\d\d\d)[\W]+([-\w\s]*)', line) or [[0, '']])[0]
          if 1000 > int(code) >= 100:
              code_dict[code] = name
              code_dict[int(code)] = name
      return code_dict
docs: r""" Parse the HTTP documentation HTML page in filename
      
      Return:
          code_dict: {200: "OK", ...}
  
      >>> fn = 'HTTP_1.1  Status Code Definitions.html'
      >>> code_dict = read_http_status_codes(fn)
      >>> code_dict
      {'100': 'Continue',
      100: 'Continue',
      '101': 'Switching Protocols',
      101: 'Switching Protocols',
      '200': 'OK',
      200: 'OK',...
      >>> json.dump(code_dict, open(os.path.join(DATA_PATH, fn + '.json'), 'wt'), indent=2)