5ab1c29c
 tangwang
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"""
测试数据库和Redis连接
用于验证配置是否正确
"""
import sys
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from db_service import create_db_connection
from offline_tasks.config.offline_config import DB_CONFIG, REDIS_CONFIG
import redis
def test_database_connection():
"""测试数据库连接"""
print("="*80)
print("测试数据库连接...")
print("="*80)
try:
engine = create_db_connection(
DB_CONFIG['host'],
DB_CONFIG['port'],
DB_CONFIG['database'],
DB_CONFIG['username'],
DB_CONFIG['password']
)
# 执行简单查询
import pandas as pd
df = pd.read_sql("SELECT COUNT(*) as cnt FROM sensors_events LIMIT 1", engine)
print(f"✓ 数据库连接成功！")
print(f" 传感器事件表记录数: {df['cnt'].iloc[0]}")
# 测试商品表
df = pd.read_sql("SELECT COUNT(*) as cnt FROM prd_goods_sku LIMIT 1", engine)
print(f" 商品SKU表记录数: {df['cnt'].iloc[0]}")
return True
except Exception as e:
print(f"✗ 数据库连接失败: {e}")
return False
def test_redis_connection():
"""测试Redis连接"""
print("\n" + "="*80)
print("测试Redis连接...")
print("="*80)
try:
redis_client = redis.Redis(
host=REDIS_CONFIG.get('host', 'localhost'),
port=REDIS_CONFIG.get('port', 6379),
db=REDIS_CONFIG.get('db', 0),
password=REDIS_CONFIG.get('password'),
decode_responses=True
)
# 测试连接
redis_client.ping()
print(f"✓ Redis连接成功！")
# 测试读写
test_key = "test:connection"
test_value = "success"
redis_client.set(test_key, test_value, ex=10)
result = redis_client.get(test_key)
if result == test_value:
print(f" 读写测试成功")
# 删除测试键
redis_client.delete(test_key)
return True
except Exception as e:
print(f"✗ Redis连接失败: {e}")
print(f" 提示：如果Redis未安装或未启动，可以跳过Redis相关功能")
return False
def main():
"""主函数"""
print("\n" + "="*80)
print("开始测试连接配置...")
print("="*80 + "\n")
db_ok = test_database_connection()
redis_ok = test_redis_connection()
print("\n" + "="*80)
print("测试结果汇总")
print("="*80)
print(f"数据库连接: {'✓ 成功' if db_ok else '✗ 失败'}")
print(f"Redis连接: {'✓ 成功' if redis_ok else '✗ 失败 (可选)'}")
print("="*80)
if db_ok:
print("\n✓ 数据库连接正常，可以开始运行离线任务！")
print("\n运行命令：")
print(" python run_all.py --lookback_days 730 --top_n 50")
else:
print("\n✗ 数据库连接失败，请检查配置文件：")
print(" offline_tasks/config/offline_config.py")
if not redis_ok:
print("\n⚠ Redis连接失败（可选），索引加载功能将不可用")
print(" 如需使用，请安装并启动Redis，或修改配置")
if __name__ == '__main__':
main()
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