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def main(request, response):
token = request.GET.first(b"token", None)
is_query = request.GET.first(b"query", None) != None
with request.server.stash.lock:
value = request.server.stash.take(token)
count = 0
if value != None:
count = int(value)
if is_query:
if count < 2:
request.server.stash.put(token, count)
else:
count = count + 1
request.server.stash.put(token, count)
if is_query:
headers = [(b"Count", count)]
content = b""
return 200, headers, content
else:
content = b"body { background: rgb(0, 128, 0); }"
if count > 1:
content = b"body { background: rgb(255, 0, 0); }"
headers = [(b"Content-Type", b"text/css"),
(b"Cache-Control", b"private, max-age=0, stale-while-revalidate=60")]
return 200, headers, content
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