respond-slowly.py - mozsearch

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import time

def main(request, response):

    head = b"""<script>

    let navigationTiming = performance.getEntriesByType('navigation')[0];

    let originalResponseEnd = navigationTiming.responseEnd;

    let originalDuration = navigationTiming.duration;

    function checkResponseEnd() {

        let responseEndDuringLoadEvent = navigationTiming.responseEnd;

        let durationDuringLoadEvent = navigationTiming.duration;

        setTimeout(function() {

            parent.postMessage([

                originalResponseEnd,

                originalDuration,

                responseEndDuringLoadEvent,

                durationDuringLoadEvent,

                navigationTiming.responseEnd,

                navigationTiming.duration], '*');

        }, 0);

    </script><body onload='checkResponseEnd()'>"""

    response.headers.set(b"Content-Length", str(len(head) + 1000))

    response.headers.set(b"Content-Type", b"text/html")

    response.write_status_headers()

    response.writer.write_content(head)

    for i in range(100):

        response.writer.write_content(b"1234567890")

        time.sleep(0.01)