import msgpack

from rest_framework.renderers import BaseRenderer


class MessagePackRenderer(BaseRenderer):
    media_type = 'application/msgpack'
    format = 'msgpack'
    render_style = 'binary'
    charset = None

    def render(self, data, media_type=None, renderer_context=None):
        if data is None:
            return b''
        return msgpack.packb(data, use_bin_type=True)