5ab1c29c
 tangwang
first commit
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logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)
def load_index_file(file_path, redis_client, key_prefix, expire_seconds=None):
"""
加载索引文件到Redis
Args:
file_path: 索引文件路径
redis_client: Redis客户端
key_prefix: Redis key前缀
expire_seconds: 过期时间（秒），None表示不过期
Returns:
加载的记录数
"""
if not os.path.exists(file_path):
logger.error(f"File not found: {file_path}")
return 0
count = 0
with open(file_path, 'r', encoding='utf-8') as f:
for line in f:
line = line.strip()
if not line:
continue
parts = line.split('\t')
if len(parts) != 2:
logger.warning(f"Invalid line format: {line}")
continue
key_suffix, value = parts
redis_key = f"{key_prefix}:{key_suffix}"
# 存储到Redis
redis_client.set(redis_key, value)
# 设置过期时间
if expire_seconds:
redis_client.expire(redis_key, expire_seconds)
count += 1
if count % 1000 == 0:
logger.info(f"Loaded {count} records...")
return count
def load_i2i_indices(redis_client, date_str=None, expire_days=7):
"""
加载i2i相似度索引
Args:
redis_client: Redis客户端
date_str: 日期字符串，格式YYYYMMDD，None表示使用今天
expire_days: 过期天数
"""
if not date_str:
date_str = datetime.now().strftime('%Y%m%d')
expire_seconds = expire_days * 24 * 3600 if expire_days else None
# i2i索引类型
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5ab1c29c
tangwang
first commit
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for i2i_type in i2i_types:
file_path = os.path.join(OUTPUT_DIR, f'i2i_{i2i_type}_{date_str}.txt')
if not os.path.exists(file_path):
logger.warning(f"File not found: {file_path}, skipping...")
continue
logger.info(f"Loading {i2i_type} indices...")
count = load_index_file(
file_path,
redis_client,
f"i2i:{i2i_type}",
expire_seconds
)
logger.info(f"Loaded {count} {i2i_type} indices")
def load_interest_indices(redis_client, date_str=None, expire_days=7):
"""
加载兴趣点聚合索引
Args:
redis_client: Redis客户端
date_str: 日期字符串，格式YYYYMMDD，None表示使用今天
expire_days: 过期天数
"""
if not date_str:
date_str = datetime.now().strftime('%Y%m%d')
expire_seconds = expire_days * 24 * 3600 if expire_days else None
# 兴趣点索引类型
list_types = ['hot', 'cart', 'new', 'global']
for list_type in list_types:
file_path = os.path.join(OUTPUT_DIR, f'interest_aggregation_{list_type}_{date_str}.txt')
if not os.path.exists(file_path):
logger.warning(f"File not found: {file_path}, skipping...")
continue
logger.info(f"Loading {list_type} interest indices...")
count = load_index_file(
file_path,
redis_client,
f"interest:{list_type}",
expire_seconds
)
logger.info(f"Loaded {count} {list_type} indices")
def main():
parser = argparse.ArgumentParser(description='Load recommendation indices to Redis')
parser.add_argument('--redis-host', type=str, default=REDIS_CONFIG.get('host', 'localhost'),
help='Redis host')
parser.add_argument('--redis-port', type=int, default=REDIS_CONFIG.get('port', 6379),
help='Redis port')
parser.add_argument('--redis-db', type=int, default=REDIS_CONFIG.get('db', 0),
help='Redis database')
parser.add_argument('--redis-password', type=str, default=REDIS_CONFIG.get('password'),
help='Redis password')
parser.add_argument('--date', type=str, default=None,
help='Date string (YYYYMMDD), default is today')
parser.add_argument('--expire-days', type=int, default=7,
help='Expire days for Redis keys')
parser.add_argument('--load-i2i', action='store_true', default=True,
help='Load i2i indices')
parser.add_argument('--load-interest', action='store_true', default=True,
help='Load interest indices')
parser.add_argument('--flush-db', action='store_true',
help='Flush database before loading (危险操作！)')
args = parser.parse_args()
# 创建Redis连接
logger.info("Connecting to Redis...")
redis_client = redis.Redis(
host=args.redis_host,
port=args.redis_port,
db=args.redis_db,
password=args.redis_password,
decode_responses=True
)
# 测试连接
try:
redis_client.ping()
logger.info("Redis connection successful")
except Exception as e:
logger.error(f"Failed to connect to Redis: {e}")
return 1
# Flush数据库（如果需要）
if args.flush_db:
logger.warning("Flushing Redis database...")
redis_client.flushdb()
logger.info("Database flushed")
# 加载i2i索引
if args.load_i2i:
logger.info("\n" + "="*80)
logger.info("Loading i2i indices")
logger.info("="*80)
load_i2i_indices(redis_client, args.date, args.expire_days)
# 加载兴趣点索引
if args.load_interest:
logger.info("\n" + "="*80)
logger.info("Loading interest aggregation indices")
logger.info("="*80)
load_interest_indices(redis_client, args.date, args.expire_days)
logger.info("\n" + "="*80)
logger.info("All indices loaded successfully!")
logger.info("="*80)
return 0
if __name__ == '__main__':
sys.exit(main())
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