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import random, string
def id_token():
letters = string.ascii_lowercase
return b''.join(random.choice(letters).encode("utf-8") for i in range(20))
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 = u""
return 200, headers, content
else:
unique_id = id_token()
headers = [(b"Content-Type", b"text/javascript"),
(b"Cache-Control", b"private, max-age=0, stale-while-revalidate=60"),
(b"Unique-Id", unique_id)]
content = b"report('%s')" % unique_id
return 200, headers, content