comparison mercurial/hgweb/protocol.py @ 30358:38130a0bbb99

hgweb: use compression engine API for zlib compression

More low-level compression code elimination because we now have nice
APIs.

This patch also demonstrates why we needed and implemented the
"level" option on the "compressstream" API.

30357:5925bda42dbd

    def compresschunks(self, chunks):
        # Don't allow untrusted settings because disabling compression or
        # setting a very high compression level could lead to flooding
        # the server's network or CPU.
        z = zlib.compressobj(self.ui.configint('server', 'zliblevel', -1))
        for chunk in chunks:
            data = z.compress(chunk)
            # Not all calls to compress() emit data. It is cheaper to inspect
            # that here than to send it via the generator.
            if data:
                yield data
        yield z.flush()

    def _client(self):
        return 'remote:%s:%s:%s' % (
            self.req.env.get('wsgi.url_scheme') or 'http',
            urlreq.quote(self.req.env.get('REMOTE_HOST', '')),

30358:38130a0bbb99

    def compresschunks(self, chunks):
        # Don't allow untrusted settings because disabling compression or
        # setting a very high compression level could lead to flooding
        # the server's network or CPU.
        opts = {'level': self.ui.configint('server', 'zliblevel', -1)}
        return util.compengines['zlib'].compressstream(chunks, opts)

    def _client(self):
        return 'remote:%s:%s:%s' % (
            self.req.env.get('wsgi.url_scheme') or 'http',
            urlreq.quote(self.req.env.get('REMOTE_HOST', '')),