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def handle_headers(frame, request, response):
preload_url = request.GET.first(b"preload-url").decode()
link_header_value = "<{}>; rel=preload; as=script".format(preload_url)
early_hints = [
(b":status", b"103"),
(b"link", link_header_value),
]
response.writer.write_raw_header_frame(headers=early_hints,
end_headers=True)
redirect_url = request.GET.first(b"redirect-url").decode()
location = "{}?preload-url={}".format(redirect_url, preload_url)
response.status = 302
response.headers["location"] = location
response.write_status_headers()
def main(request, response):
pass