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from wptserve.handlers import json_handler
@json_handler
def main(request, response):
uuid = request.GET[b"uuid"]
prefetch = request.headers.get(
"Sec-Purpose", b"").decode("utf-8").startswith("prefetch")
response.headers.set("Cache-Control", "no-store")
n = request.server.stash.take(uuid)
if n is None:
n = 0
if prefetch:
n += 1
request.server.stash.put(uuid, n)
return n