单例+缓存优化

Administrator

2023-08-08 c20c3c10635ce78db4a86ce9c0bb1d02e90f525d

 code_attribute/gpcode_manager.py

@@ -225,7 +225,7 @@
        codes = self.list_code()
        self.__want_buy_codes_cache.clear()
        if codes:
            self.__want_buy_codes_cache += set(codes)
            self.__want_buy_codes_cache |= set(codes)

    def is_in(self, code):
        return RedisUtils.sismember(self.__get_redis(), self.__redis_key, code)
@@ -244,20 +244,19 @@
# 与黑名单的区别是暂停交易代码只是不交易，不能移除L2监控位
class PauseBuyCodesManager:
    __instance = None
    redisManager = redis_manager.RedisManager(0)
    __redis_key = "pause_buy_codes"

    def __new__(cls, *args, **kwargs):
        if not cls.__instance:
            cls.__instance = super(PauseBuyCodesManager, cls).__new__(cls, *args, **kwargs)
            # 初始化设置
            # 获取交易窗口的锁
            cls.__instance.redisManager = redis_manager.RedisManager(0)
            cls.__instance.__redis_key = "pause_buy_codes"
            cls.__instance.__pause_buy_codes_cache = RedisUtils.smembers(cls.__instance.__get_redis(),
                                                                         cls.__instance.__redis_key)
            cls.__instance.__pause_buy_codes_cache = RedisUtils.smembers(cls.__get_redis(),
                                                                         cls.__redis_key)
        return cls.__instance

    def __get_redis(self):
        return self.redisManager.getRedis()
    @classmethod
    def __get_redis(cls):
        return cls.redisManager.getRedis()

    def clear(self):
        self.__pause_buy_codes_cache.clear()
@@ -577,6 +576,18 @@
    RedisUtils.setex(__redisManager.getRedis(), "price-{}".format(code), tool.get_expire(), price)


# datas:[(code,price)]
def set_prices(datas):
    pipe =  __redisManager.getRedis().pipeline()
    for d in datas:
        code, price = d[0], d[1]
        if code in __current_price_cache and __current_price_cache[code] == price:
            continue
        __current_price_cache[code] = price
        RedisUtils.setex(pipe, "price-{}".format(code), tool.get_expire(), price)
    pipe.execute()


# 获取正在监听的代码
def get_listen_codes():
    redis_instance = __redisManager.getRedis()