def main(request, response):
response_headers = [(b"Link", b"<%s>;rel=\"preload\";%s;as=\"script\"" %
(request.GET.first(b"href", b""),
request.GET.first(b"preload-policy", b"")))]
body = ""
body_name_list = __file__.split(".")[:-1]
body_name_list.append("html")
filename = ".".join(body_name_list)
with open(filename, 'r+b') as f:
body = f.readlines()
return (200, response_headers, body)