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def main(request, response):
response.headers.set(b"Content-Type", b"text/event-stream")
last_event_id = request.headers.get(b"Last-Event-ID", b"")
if last_event_id:
return b"data: " + last_event_id + b"\n\n"
else:
idvalue = request.GET.first(b"idvalue", u"\u2026".encode("utf-8"))
return b"id: " + idvalue + b"\nretry: 200\ndata: hello\n\n"