#!/usr/bin/env python3 import os, time, zlib data1 = b'Two lines should be visible.
The second line.' cd1 = zlib.compress(data1) length = len(cd1) next_chunk = hex(length - 10)[2:] os.write(1, b"Date: Sun, 20 Jan 2008 15:24:00 GMT\r\nServer: ddd\r\nTransfer-Encoding: chunked\r\nContent-Encoding: deflate\r\nConnection: close\r\nContent-Type: text/html; charset=ISO-8859-1\r\n") os.write(1, b"\r\na\r\n") os.write(1, cd1[:10]) time.sleep(2) os.write(1, b"\r\n") os.write(1, bytes(next_chunk, 'iso8859-1')) os.write(1, b"\r\n") os.write(1, cd1[10:]) os.write(1, b"\r\n0\r\n")