Initial commit: stock market platform

backend/celery_app/worker.py

@@ -0,0 +1,31 @@
+from celery import Celery
+from celery.schedules import crontab
+import os
+import sys
+
+app = Celery(
+    "stock_worker",
+    broker=os.getenv("CELERY_BROKER_URL", "redis://localhost:6379/1"),
+    backend=os.getenv("REDIS_URL", "redis://localhost:6379/0"),
+    include=["celery_app.tasks.market_tasks"],
+)
+
+app.conf.timezone = "Asia/Shanghai"
+app.conf.enable_utc = False
+
+# Windows does not support the default prefork pool (fork syscall unavailable)
+if sys.platform == "win32":
+    app.conf.worker_pool = "solo"
+
+app.conf.beat_schedule = {
+    # Refresh heatmap cache every 30s during trading hours
+    "refresh-heatmap-30s": {
+        "task": "celery_app.tasks.market_tasks.refresh_heatmap_cache",
+        "schedule": 30.0,
+    },
+    # Refresh index data every minute
+    "refresh-indices-1m": {
+        "task": "celery_app.tasks.market_tasks.refresh_market_overview",
+        "schedule": 60.0,
+    },
+}