()
| 14 | |
| 15 | @shared_task |
| 16 | def fetch_channel_stats(): |
| 17 | redis_client = RedisClient.get_client() |
| 18 | |
| 19 | try: |
| 20 | # Basic info for all channels |
| 21 | channel_pattern = "live:channel:*:metadata" |
| 22 | all_channels = [] |
| 23 | |
| 24 | # Extract channel IDs from keys |
| 25 | cursor = 0 |
| 26 | while True: |
| 27 | cursor, keys = redis_client.scan(cursor, match=channel_pattern) |
| 28 | for key in keys: |
| 29 | channel_id_match = re.search(r"live:channel:(.*):metadata", key) |
| 30 | if channel_id_match: |
| 31 | ch_id = channel_id_match.group(1) |
| 32 | channel_info = ChannelStatus.get_basic_channel_info(ch_id) |
| 33 | if channel_info: |
| 34 | all_channels.append(channel_info) |
| 35 | |
| 36 | if cursor == 0: |
| 37 | break |
| 38 | |
| 39 | except Exception as e: |
| 40 | logger.error(f"Error in channel_status: {e}", exc_info=True) |
| 41 | return |
| 42 | # return JsonResponse({'error': str(e)}, status=500) |
| 43 | |
| 44 | send_websocket_update( |
| 45 | "updates", |
| 46 | "update", |
| 47 | { |
| 48 | "success": True, |
| 49 | "type": "channel_stats", |
| 50 | "stats": json.dumps({'channels': all_channels, 'count': len(all_channels)}) |
| 51 | }, |
| 52 | collect_garbage=True |
| 53 | ) |
| 54 | |
| 55 | # Explicitly clean up large data structures |
| 56 | all_channels = None |
| 57 | gc.collect() |
| 58 | |
| 59 |
nothing calls this directly
no test coverage detected