zlib_server.py 文件源码

def handle(self):
        compressor = zlib.compressobj(1)

        # Find out what file the client wants
        filename = self.request.recv(1024).decode('utf-8')
        self.logger.debug('client asked for: %r', filename)

        # Send chunks of the file as they are compressed
        with open(filename, 'rb') as input:
            while True:
                block = input.read(BLOCK_SIZE)
                if not block:
                    break
                self.logger.debug('RAW %r', block)
                compressed = compressor.compress(block)
                if compressed:
                    self.logger.debug(
                        'SENDING %r',
                        binascii.hexlify(compressed))
                    self.request.send(compressed)
                else:
                    self.logger.debug('BUFFERING')

        # Send any data being buffered by the compressor
        remaining = compressor.flush()
        while remaining:
            to_send = remaining[:BLOCK_SIZE]
            remaining = remaining[BLOCK_SIZE:]
            self.logger.debug('FLUSHING %r',
                              binascii.hexlify(to_send))
            self.request.send(to_send)
        return