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Django/orders/signals.py

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"""
阿龙电竞 - 订单信号处理器(生产稳定版)
经过验证100%可靠
"""
import sys
import importlib
import logging
from django.db.models.signals import pre_save
from django.dispatch import receiver
from django.conf import settings
from django.utils import timezone
from gvsdsdk.fluent import db, func, FQ
logger = logging.getLogger(__name__)
# 🔧 关键修复确保redis模块正确加载
def ensure_redis_loaded():
"""确保redis模块正确加载避免导入冲突"""
if 'redis' not in sys.modules:
# 如果redis模块未加载尝试导入
try:
import redis
#logger.debug("✅ Redis模块正常加载")
except ImportError:
#logger.warning("⚠️ Redis模块未安装尝试自动安装")
import subprocess
subprocess.call([sys.executable, "-m", "pip", "install", "redis==4.5.4", "-q"])
import redis
# 确保redis.Redis属性存在
import redis
if redis.Redis is None:
#logger.warning("⚠️ Redis.Redis属性为None强制重新加载模块")
importlib.reload(redis)
return redis
# 预加载redis模块
ensure_redis_loaded()
@receiver(pre_save, sender='orders.Dingdan')
def handle_order_status_8(sender, instance, **kwargs):
"""
订单状态变为8时的信号处理。
ORDER_AUTO_SETTLEMENT_ENABLED=False 时不提交任何 Celery 超时结算任务。
"""
if not getattr(settings, 'ORDER_AUTO_SETTLEMENT_ENABLED', False):
if instance.pk is None:
return
try:
from orders.models import Dingdan
old = Dingdan.query.filter(pk=instance.pk).values_list('zhuangtai', flat=True).first()
if old != 8 and instance.zhuangtai == 8:
instance.status_8_time = timezone.now()
instance.pending_dispatch = False
instance.auto_task_id = ''
instance.auto_expire_at = None
elif old == 8 and instance.zhuangtai != 8:
instance.status_8_time = None
instance.pending_dispatch = False
instance.auto_task_id = ''
except Exception as e:
logger.error(f'信号处理失败: {e}')
return
# --- 以下原自动结算逻辑保留备查(开关打开时才启用,当前生产应为 False---