"""
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代码价格管理
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"""
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import json
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from db.redis_manager import RedisUtils
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from utils import tool
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from db import redis_manager as redis_manager
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class Buy1PriceManager:
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__db = 1
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__redisManager = redis_manager.RedisManager(1)
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__latest_data = {}
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__current_buy_1_price = {}
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__buy1_price_info_cache = {}
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__open_limit_up_lowest_price_cache = {}
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__instance = None
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def __new__(cls, *args, **kwargs):
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if not cls.__instance:
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cls.__instance = super(Buy1PriceManager, cls).__new__(cls, *args, **kwargs)
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cls.__load_datas()
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return cls.__instance
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@classmethod
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def __get_redis(cls):
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return cls.__redisManager.getRedis()
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@classmethod
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def __load_datas(cls):
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redis_ = cls.__get_redis()
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try:
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keys = RedisUtils.keys(redis_, "buy1_price_limit_up_info-*")
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for key in keys:
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code = key.split("-")[-1]
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val = RedisUtils.get(redis_, key)
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val = json.loads(val)
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tool.CodeDataCacheUtil.set_cache(cls.__buy1_price_info_cache, code, val)
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keys = RedisUtils.keys(redis_, "buy1_price-*")
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for key in keys:
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code = key.split("-")[-1]
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val = RedisUtils.get(redis_, key)
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val = round(float(val), 2)
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tool.CodeDataCacheUtil.set_cache(cls.__current_buy_1_price, code, val)
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keys = RedisUtils.keys(redis_, "open_limit_up_lowest_price-*")
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for key in keys:
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code = key.split("-")[-1]
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val = RedisUtils.get(redis_, key)
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val = round(float(val), 2)
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tool.CodeDataCacheUtil.set_cache(cls.__open_limit_up_lowest_price_cache, code, val)
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finally:
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RedisUtils.realse(redis_)
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# 保存买1价格信息
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def __save_buy1_price_info(self, code, limit_up_time, open_limit_up_time):
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tool.CodeDataCacheUtil.set_cache(self.__buy1_price_info_cache, code, (limit_up_time, open_limit_up_time))
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RedisUtils.setex_async(self.__db, f"buy1_price_limit_up_info-{code}", tool.get_expire(),
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json.dumps((limit_up_time, open_limit_up_time)))
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def __get_buy1_price_info(self, code):
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data = RedisUtils.get(self.__get_redis(), f"buy1_price_limit_up_info-{code}")
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if not data:
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return None, None
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data = json.loads(data)
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return data[0], data[1]
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def __get_buy1_price_info_cache(self, code):
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cache_result = tool.CodeDataCacheUtil.get_cache(self.__buy1_price_info_cache, code)
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if cache_result[0]:
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return cache_result[1]
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return None, None
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def __save_buy1_price(self, code, buy_1_price):
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cache_result = tool.CodeDataCacheUtil.get_cache(self.__current_buy_1_price, code)
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if cache_result[0] and abs(cache_result[1] - float(buy_1_price)) < 0.001:
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return
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tool.CodeDataCacheUtil.set_cache(self.__current_buy_1_price, code, buy_1_price)
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RedisUtils.setex_async(self.__db, f"buy1_price-{code}", tool.get_expire(), buy_1_price)
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# datas:[(code, buy_1_price)]
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def __save_buy1_prices(self, datas):
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for d in datas:
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code = d[0]
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buy_1_price = d[1]
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# 不保存重复的数据
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self.__save_buy1_price(code, buy_1_price)
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def __get_buy1_price(self, code):
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return RedisUtils.get(self.__get_redis(), f"buy1_price-{code}")
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def __get_buy1_price_cache(self, code):
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cache_result = tool.CodeDataCacheUtil.get_cache(self.__current_buy_1_price, code)
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if cache_result[0]:
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return cache_result[1]
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return None
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# 设置炸板后的最低价
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def __save_open_limit_up_lowest_price(self, code, price):
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tool.CodeDataCacheUtil.set_cache(self.__open_limit_up_lowest_price_cache, code, round(float(price), 2))
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RedisUtils.setex_async(self.__db, f"open_limit_up_lowest_price-{code}", tool.get_expire(), f"{price}")
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def __get_open_limit_up_lowest_price(self, code):
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return RedisUtils.get(self.__get_redis(), f"open_limit_up_lowest_price-{code}")
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def __get_open_limit_up_lowest_price_cache(self, code):
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cache_result = tool.CodeDataCacheUtil.get_cache(self.__open_limit_up_lowest_price_cache, code)
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if cache_result[0]:
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return cache_result[1]
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return None
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def set_open_limit_up_lowest_price(self, code, price):
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old_price = self.__get_open_limit_up_lowest_price_cache(code)
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if not old_price or float(old_price) - float(price) > 0.001:
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self.__save_open_limit_up_lowest_price(code, price)
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def get_buy1_price(self, code):
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cache_result = tool.CodeDataCacheUtil.get_cache(self.__current_buy_1_price, code)
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if cache_result[0]:
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return cache_result[1]
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return None
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def get_open_limit_up_lowest_price(self, code):
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price = self.__get_open_limit_up_lowest_price_cache(code)
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return price
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# 是否可以下单
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def is_can_buy(self, code):
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old_limit_up_time, old_open_limit_up_time = self.__get_buy1_price_info_cache(code)
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if old_limit_up_time and old_open_limit_up_time:
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return True
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return False
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# 获取涨停信息
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# 返回涨停时间与炸板时间
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def get_limit_up_info(self, code):
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old_limit_up_time, old_open_limit_up_time = self.__get_buy1_price_info_cache(code)
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return old_limit_up_time, old_open_limit_up_time
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# 设置涨停时间
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def set_limit_up_time(self, code, time_str):
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limit_up_time, open_limit_up_time = self.get_limit_up_info(code)
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if limit_up_time is None:
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self.__save_buy1_price_info(code, time_str, None)
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if __name__ == "__main__":
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print(Buy1PriceManager().get_limit_up_info("002777"))
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