send_spaxel.py

import ipyvuetify as v
import traitlets

class SoundWidget(v.VuetifyTemplate):
    
   def send_sound_buffer(self, coordinate, data):
        self.send({
            'method': 'sound_buffer',
            'args': [coordinate],
            
        }, buffers=[data])
        
    @traitlets.default("template")
    def _template(self):
        return """
        <template>
        </template>
        <script>
        module.exports = {
            data() {
                spaxels: {};
            },
            methods: {
                jupyter_sound_buffer(coordinate, buffers) {
                    console.log({coordinate, data: buffers[0]});
                    this.spaxels[coordinate] = buffers[0];
                }
            }
        }
        </script>
        """
sound_widget = SoundWidget()    

sound_widget.send_sound_buffer("0,0", bytes([1, 2, 3, 4]))