def done(self, *arg, **kw):

        # ----------------------------------------
        # persistent connection management
        # ----------------------------------------

        #  --- BUCKLE UP! ----

        connection = http_server.get_header(http_server.CONNECTION,self.header)
        connection = connection.lower()

        close_it = 0
        wrap_in_chunking = 0
        globbing = 1

        if self.version == '1.0':
            if connection == 'keep-alive':
                if not self.has_key ('Content-Length'):
                    close_it = 1
                else:
                    self['Connection'] = 'Keep-Alive'
            else:
                close_it = 1
        elif self.version == '1.1':
            if connection == 'close':
                close_it = 1
            elif not self.has_key('Content-Length'):
                if self.has_key('Transfer-Encoding'):
                    if not self['Transfer-Encoding'] == 'chunked':
                        close_it = 1
                elif self.use_chunked:
                    self['Transfer-Encoding'] = 'chunked'
                    wrap_in_chunking = 1
                    # globbing slows down tail -f output, so only use it if
                    # we're not in chunked mode
                    globbing = 0
                else:
                    close_it = 1
        elif self.version is None:
            # Although we don't *really* support http/0.9 (because
            # we'd have to use \r\n as a terminator, and it would just
            # yuck up a lot of stuff) it's very common for developers
            # to not want to type a version number when using telnet
            # to debug a server.
            close_it = 1

        outgoing_header = producers.simple_producer(self.build_reply_header())

        if close_it:
            self['Connection'] = 'close'

        if wrap_in_chunking:
            outgoing_producer = deferring_chunked_producer(
                    deferring_composite_producer(self.outgoing)
                    )
            # prepend the header
            outgoing_producer = deferring_composite_producer(
                [outgoing_header, outgoing_producer]
                )
        else:
            # prepend the header
            self.outgoing.insert(0, outgoing_header)
            outgoing_producer = deferring_composite_producer(self.outgoing)

        # hook logging into the output
        outgoing_producer = deferring_hooked_producer(outgoing_producer,
                                                      self.log)

        if globbing:
            outgoing_producer = deferring_globbing_producer(outgoing_producer)

        self.channel.push_with_producer(outgoing_producer)

        self.channel.current_request = None

        if close_it:
            self.channel.close_when_done()
I didn't want to override this, but there's no way around
dataset/ETHPy150Open XiaoMi/minos/supervisor/supervisor/http.py/deferring_http_request.done