from channels.generic.websocket import AsyncWebsocketConsumer
import json
class MyConsumer(AsyncWebsocketConsumer):
async def connect(self):
self.room_group_name = 'kafka'
# Join room group
await self.channel_layer.group_add(
self.room_group_name,
self.channel_name
)
await self.accept()
async def disconnect(self, close_code):
# Leave room group
await self.channel_layer.group_discard(
self.room_group_name,
self.channel_name
)
# Receive message from WebSocket
async def receive(self, text_data):
text_data_json = json.loads(text_data)
message = text_data_json['message']
# Send message to room group
await self.channel_layer.group_send(
self.room_group_name,
{
'type': 'kafka_message',
'message': message
}
)
# Receive message from room group
async def kafka_message(self, event):
message = event['message']
print('HERE')
# Send message to WebSocket
await self.send(text_data=json.dumps({
'message': message
}))
views.py
from channels.layers import get_channel_layer
from asgiref.sync import async_to_sync, sync_to_async
from django.contrib.auth.decorators import login_required
from django.template import loader
from .models import artifactInfo
from django.shortcuts import render
from django.http import HttpResponse, HttpResponseNotFound, JsonResponse
import os, mimetypes, json
from .logic import send_message
import logging
logger = logging.getLogger(__name__)
def testview(request):
channel_layer = get_channel_layer()
async_to_sync(channel_layer.group_send(
'kafka',
{
'type': 'kafka.message',
'message': 'Test message'
}
))
return HttpResponse('<p>Done</p>')
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