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ETAG = b'"123abc"'
CONTENT_TYPE = b"text/plain"
CONTENT = b"lorem ipsum dolor sit amet"
def main(request, response):
# let caching kick in if possible (conditional GET)
etag = request.headers.get(b"If-None-Match", None)
if etag == ETAG:
response.headers.set(b"X-HTTP-STATUS", 304)
response.status = (304, b"Not Modified")
return b""
# cache miss, so respond with the actual content
response.status = (200, b"OK")
response.headers.set(b"ETag", ETAG)
response.headers.set(b"Content-Type", CONTENT_TYPE)
return CONTENT
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