24 lines
823 B
Python
24 lines
823 B
Python
import os
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def handle_headers(frame, request, response):
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resource_url = request.GET.first(b"resource-url").decode()
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link_header_value = "<{}>; rel=preload; as=image".format(resource_url)
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early_hints = [
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(b":status", b"103"),
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(b"link", link_header_value),
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]
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response.writer.write_raw_header_frame(headers=early_hints,
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end_headers=True)
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response.status = 404
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response.headers[b"content-type"] = "text/html"
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response.write_status_headers()
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def main(request, response):
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current_dir = os.path.dirname(os.path.realpath(__file__))
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file_path = os.path.join(current_dir, "404-with-early-hints.html")
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with open(file_path, "r") as f:
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test_content = f.read()
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response.writer.write_data(item=test_content, last=True)
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