Method compress

python/python3/tornado/websocket.py:749–753

(self, data: bytes)

        )

    def compress(self, data: bytes) -> bytes:
        compressor = self._compressor or self._create_compressor()
        data = compressor.compress(data) + compressor.flush(zlib.Z_SYNC_FLUSH)
        assert data.endswith(b"\x00\x00\xff\xff")
        return data[:-4]


class _PerMessageDeflateDecompressor(object):