def __init__(self, api, symbol, direction, offset, volume, limit_price=None, order_chan = None, trade_chan = None):
"""
创建下单task实例
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 拟下单的合约symbol, 格式为 交易所代码.合约代码, 例如 "SHFE.cu1801"
direction (str): "BUY" 或 "SELL"
offset (str): "OPEN", "CLOSE" 或 "CLOSETODAY"
volume (int): 需要下单的手数
limit_price (float): [可选]下单价格, 默认市价单
order_chan (TqChan): [可选]委托单通知channel, 当委托单状态发生时会将委托单信息发到该channel上
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
self.api = api
self.symbol = symbol
self.direction = direction
self.offset = offset
self.volume = volume
self.limit_price = limit_price
self.order_chan = order_chan if order_chan is not None else TqChan(self.api)
self.trade_chan = trade_chan if trade_chan is not None else TqChan(self.api)
self.task = self.api.create_task(self._run())
def __init__(self, api, symbol, price="ACTIVE", init_pos=None, offset_priority="今昨,开", trade_chan=None):
"""
创建目标持仓task实例，负责调整归属于该task的持仓(默认为整个账户的该合约净持仓)
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 负责调整的合约代码
price (str): [可选]下单方式, ACTIVE=对价下单, PASSIVE=挂价下单
init_pos (int): [可选]初始持仓，默认整个账户的该合净持仓
offset_priority (str): [可选]开平仓顺序，昨=平昨仓，今=平今仓，开=开仓，逗号=等待之前操作完成
对于下单指令区分平今/昨的交易所(如上期所)，按照今/昨仓的数量计算是否能平今/昨仓
对于下单指令不区分平今/昨的交易所(如中金所)，按照“先平当日新开仓，再平历史仓”的规则计算是否能平今/昨仓
* "今昨,开" 表示先平今仓，再平昨仓，等待平仓完成后开仓，对于没有单向大边的品种避免了开仓保证金不足
* "今昨开" 表示先平今仓，再平昨仓，并开仓，所有指令同时发出，适合有单向大边的品种
* "昨开" 表示先平昨仓，再开仓，禁止平今仓，适合股指这样平今手续费较高的品种
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
super(TargetPosTask, self).__init__()
self.api = api
self.symbol = symbol
self.exchange = symbol.split(".")[0]
self.price = price
self.pos = self.api.get_position(self.symbol)
self.current_pos = init_pos
self.offset_priority = offset_priority
self.pos_chan = TqChan(self.api, last_only=True)
self.trade_chan = trade_chan if trade_chan is not None else TqChan(self.api)
self.task = self.api.create_task(self._target_pos_task())
def __init__(self,
api: TqApi,
symbol: str,
price: str = "ACTIVE",
offset_priority: str = "今昨,开",
trade_chan: Optional[TqChan] = None) -> None:
"""
创建目标持仓task实例，负责调整归属于该task的持仓 **(默认为整个账户的该合约净持仓)**.
**注意:**
1. TargetPosTask 在 set_target_volume 时并不下单或撤单, 它的下单和撤单动作, 是在之后的每次 wait_update 时执行的. 因此, **需保证 set_target_volume 后还会继续调用wait_update()** 。
2. 请勿在使用 TargetPosTask 的同时使用 insert_order() 函数, 否则将导致 TargetPosTask 报错或错误下单。
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 负责调整的合约代码
price (str): [可选]下单方式, ACTIVE=对价下单, PASSIVE=挂价下单.
* 在持仓调整过程中,若下单方向为买: 对价为卖一价, 挂价为买一价
* 在持仓调整过程中,若下单方向为卖: 对价为买一价, 挂价为卖一价
offset_priority (str): [可选]开平仓顺序，昨=平昨仓，今=平今仓，开=开仓，逗号=等待之前操作完成
对于下单指令区分平今/昨的交易所(如上期所)，按照今/昨仓的数量计算是否能平今/昨仓
对于下单指令不区分平今/昨的交易所(如中金所)，按照“先平当日新开仓，再平历史仓”的规则计算是否能平今/昨仓
* "今昨,开" 表示先平今仓，再平昨仓，等待平仓完成后开仓，对于没有单向大边的品种避免了开仓保证金不足
* "今昨开" 表示先平今仓，再平昨仓，并开仓，所有指令同时发出，适合有单向大边的品种
* "昨开" 表示先平昨仓，再开仓，禁止平今仓，适合股指这样平今手续费较高的品种
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
super(TargetPosTask, self).__init__()
self._api = api
if symbol not in api._data.get("quotes", {}):
raise Exception("代码 %s 不存在, 请检查合约代码是否填写正确" % (symbol))
self._symbol = symbol
self._exchange = symbol.split(".")[0]
if price not in ("ACTIVE", "PASSIVE"):
raise Exception("下单方式(price) %s 错误, 请检查 price 参数是否填写正确" % (price))
self._price = price
if len(
offset_priority.replace(",", "").replace("今", "", 1).replace(
"昨", "", 1).replace("开", "", 1)) > 0:
raise Exception(
"开平仓顺序(offset_priority) %s 错误, 请检查 offset_priority 参数是否填写正确" %
(offset_priority))
self._offset_priority = offset_priority
self._pos = self._api.get_position(self._symbol)
self._pos_chan = TqChan(self._api, last_only=True)
self._trade_chan = trade_chan if trade_chan is not None else TqChan(
self._api)
self._task = self._api.create_task(self._target_pos_task())
def __init__(self,
api,
symbol,
direction,
offset,
volume,
limit_price=None,
order_chan=None,
trade_chan=None):
"""
创建下单task实例
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 拟下单的合约symbol, 格式为 交易所代码.合约代码, 例如 "SHFE.cu1801"
direction (str): "BUY" 或 "SELL"
offset (str): "OPEN", "CLOSE" 或 "CLOSETODAY"
volume (int): 需要下单的手数
limit_price (float): [可选]下单价格, 默认市价单
order_chan (TqChan): [可选]委托单通知channel, 当委托单状态发生时会将委托单信息发到该channel上
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
self._api = api
if symbol not in api._data.get("quotes", {}):
raise Exception("代码 %s 不存在, 请检查合约代码是否填写正确" % (symbol))
self._symbol = symbol
if direction not in ("BUY", "SELL"):
raise Exception("下单方向(direction) %s 错误, 请检查 direction 参数是否填写正确" %
(direction))
self._direction = direction
if offset not in ("OPEN", "CLOSE", "CLOSETODAY"):
raise Exception("开平标志(offset) %s 错误, 请检查 offset 是否填写正确" % (offset))
self._offset = offset
self._volume = int(volume)
self._limit_price = float(
limit_price) if limit_price is not None else None
self._order_chan = order_chan if order_chan is not None else TqChan(
self._api)
self._trade_chan = trade_chan if trade_chan is not None else TqChan(
self._api)
self._task = self._api.create_task(self._run())
async def _run(self):
"""负责追价下单的task"""
async with self.api.register_update_notify() as update_chan:
# 确保获得初始行情
while self.quote.datetime == "":
await update_chan.recv()
while self.volume != 0:
limit_price = self._get_price()
insert_order_task = InsertOrderTask(self.api,
self.symbol,
self.direction,
self.offset,
self.volume,
limit_price=limit_price,
trade_chan=self.trade_chan)
order = await insert_order_task.order_chan.recv()
check_chan = TqChan(self.api, last_only=True)
check_task = self.api.create_task(
self._check_price(check_chan, limit_price, order))
try:
await insert_order_task.task
order = insert_order_task.order_chan.recv_latest(order)
self.volume = order.volume_left
if self.volume != 0 and not check_task.done():
raise Exception(
"遇到错单: %s %s %s %d手 %f %s" %
(self.symbol, self.direction, self.offset,
self.volume, limit_price, order.last_msg))
finally:
await check_chan.close()
await check_task
def __init__(self, api, symbol, direction, offset, volume, price = "ACTIVE", trade_chan = None):
"""
创建追价下单task实例
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 拟下单的合约symbol, 格式为 交易所代码.合约代码, 例如 "SHFE.cu1801"
direction (str): "BUY" 或 "SELL"
offset (str): "OPEN", "CLOSE" 或 "CLOSETODAY"
volume (int): 需要下单的手数
price (str): [可选]下单方式, ACTIVE=对价下单, PASSIVE=挂价下单
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
self.api = api
self.symbol = symbol
self.direction = direction
self.offset = offset
self.volume = volume
self.price = price
self.trade_chan = trade_chan if trade_chan is not None else TqChan(self.api)
self.quote = self.api.get_quote(self.symbol)
self.task = self.api.create_task(self._run())
def __init__(self,
api,
symbol,
price="ACTIVE",
offset_priority="今昨,开",
trade_chan=None):
"""
创建目标持仓task实例，负责调整归属于该task的持仓(默认为整个账户的该合约净持仓)
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 负责调整的合约代码
price (str): [可选]下单方式, ACTIVE=对价下单, PASSIVE=挂价下单
offset_priority (str): [可选]开平仓顺序，昨=平昨仓，今=平今仓，开=开仓，逗号=等待之前操作完成
对于下单指令区分平今/昨的交易所(如上期所)，按照今/昨仓的数量计算是否能平今/昨仓
对于下单指令不区分平今/昨的交易所(如中金所)，按照“先平当日新开仓，再平历史仓”的规则计算是否能平今/昨仓
* "今昨,开" 表示先平今仓，再平昨仓，等待平仓完成后开仓，对于没有单向大边的品种避免了开仓保证金不足
* "今昨开" 表示先平今仓，再平昨仓，并开仓，所有指令同时发出，适合有单向大边的品种
* "昨开" 表示先平昨仓，再开仓，禁止平今仓，适合股指这样平今手续费较高的品种
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
super(TargetPosTask, self).__init__()
self.api = api
if symbol not in api.data.get("quotes", {}):
raise Exception("代码 %s 不存在, 请检查合约代码是否填写正确" % (symbol))
self.symbol = symbol
self.exchange = symbol.split(".")[0]
if price not in ("ACTIVE", "PASSIVE"):
raise Exception("下单方式(price) %s 错误, 请检查 price 参数是否填写正确" % (price))
self.price = price
if len(
offset_priority.replace(",", "").replace("今", "", 1).replace(
"昨", "", 1).replace("开", "", 1)) > 0:
raise Exception(
"开平仓顺序(offset_priority) %s 错误, 请检查 offset_priority 参数是否填写正确" %
(offset_priority))
self.offset_priority = offset_priority
self.pos = self.api.get_position(self.symbol)
self.pos_chan = TqChan(self.api, last_only=True)
self.trade_chan = trade_chan if trade_chan is not None else TqChan(
self.api)
self.task = self.api.create_task(self._target_pos_task())
def __init__(self, api, symbol, price="ACTIVE", init_pos=0, trade_chan=None):
"""
创建目标持仓task实例
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 负责调整的合约代码
price (str): [可选]下单方式, ACTIVE=对价下单, PASSIVE=挂价下单
init_pos (int): [可选]初始持仓，默认为0
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
self.api = api
self.symbol = symbol
self.price = price
self.init_pos = init_pos
self.pos_chan = TqChan(last_only=True)
self.trade_chan = trade_chan if trade_chan is not None else TqChan()
self.task = self.api.create_task(self._target_pos_task())
async def _send_snapshot(self):
async with TqChan(self.api, last_only=True) as update_chan:
self.data["_listener"].add(update_chan)
while self.data.get("mdhis_more_data", True):
await update_chan.recv()
# 发送合约信息截面
quotes = {}
for ins, quote in self.data["quotes"].items():
if not ins.startswith("_"):
quotes[ins] = {
"datetime": "",
"ask_price1": float("nan"),
"ask_volume1": 0,
"bid_price1": float("nan"),
"bid_volume1": 0,
"last_price": float("nan"),
"highest": float("nan"),
"lowest": float("nan"),
"open": None,
"close": None,
"average": float("nan"),
"volume": 0,
"amount": float("nan"),
"open_interest": 0,
"settlement": None,
"lower_limit": None,
"upper_limit": None,
"pre_open_interest": None,
"pre_settlement": None,
"pre_close": None,
"price_tick": quote["price_tick"],
"price_decs": quote["price_decs"],
"volume_multiple": quote["volume_multiple"],
"max_limit_order_volume": quote["max_limit_order_volume"],
"max_market_order_volume":
quote["max_market_order_volume"],
"min_limit_order_volume": quote["min_limit_order_volume"],
"min_market_order_volume":
quote["min_market_order_volume"],
"underlying_symbol": quote["underlying_symbol"],
"strike_price": quote["strike_price"],
"change": None,
"change_percent": None,
"expired": None,
}
self.diffs.append({
"quotes": quotes,
"ins_list": "",
"mdhis_more_data": False,
})
async def _send_snapshot(self):
"""发送初始合约信息"""
async with TqChan(self.api,
last_only=True) as update_chan: # 等待与行情服务器连接成功
self.data["_listener"].add(update_chan)
while self.data.get("mdhis_more_data", True):
await update_chan.recv()
# 发送合约信息截面
quotes = {}
for ins, quote in self.data["quotes"].items():
if not ins.startswith("_"):
quotes[ins] = {
"open": None, # 填写None: 删除api中的这个字段
"close": None,
"settlement": None,
"lower_limit": None,
"upper_limit": None,
"pre_open_interest": None,
"pre_settlement": None,
"pre_close": None,
"ins_class": quote.get("ins_class", ""),
"margin": quote.get(
"margin"), # 用于内部实现模拟交易, 不作为api对外可用数据（即 Quote 类中无此字段）
"commission":
quote.get("commission"
), # 用于内部实现模拟交易, 不作为api对外可用数据（即 Quote 类中无此字段）
"price_tick": quote["price_tick"],
"price_decs": quote["price_decs"],
"volume_multiple": quote["volume_multiple"],
"max_limit_order_volume": quote["max_limit_order_volume"],
"max_market_order_volume":
quote["max_market_order_volume"],
"min_limit_order_volume": quote["min_limit_order_volume"],
"min_market_order_volume":
quote["min_market_order_volume"],
"underlying_symbol": quote["underlying_symbol"],
"strike_price": quote["strike_price"],
"expired": None,
"trading_time": quote.get("trading_time"),
"expire_datetime": quote.get("expire_datetime"),
"delivery_month": quote.get("delivery_month"),
"delivery_year": quote.get("delivery_year"),
}
self.diffs.append({
"quotes": quotes,
"ins_list": "",
"mdhis_more_data": False,
})
def __init__(self,
api,
symbol,
direction,
offset,
volume,
price="ACTIVE",
trade_chan=None):
"""
创建追价下单task实例
Args:
api (TqApi): TqApi实例，该task依托于指定api下单/撤单
symbol (str): 拟下单的合约symbol, 格式为 交易所代码.合约代码, 例如 "SHFE.cu1801"
direction (str): "BUY" 或 "SELL"
offset (str): "OPEN", "CLOSE" 或 "CLOSETODAY"
volume (int): 需要下单的手数
price (str): [可选]下单方式, ACTIVE=对价下单, PASSIVE=挂价下单
trade_chan (TqChan): [可选]成交通知channel, 当有成交发生时会将成交手数(多头为正数，空头为负数)发到该channel上
"""
self._api = api
if symbol not in api._data.get("quotes", {}):
raise Exception("代码 %s 不存在, 请检查合约代码是否填写正确" % (symbol))
self._symbol = symbol
if direction not in ("BUY", "SELL"):
raise Exception("下单方向(direction) %s 错误, 请检查 direction 参数是否填写正确" %
(direction))
self._direction = direction
if offset not in ("OPEN", "CLOSE", "CLOSETODAY"):
raise Exception("开平标志(offset) %s 错误, 请检查 offset 是否填写正确" % (offset))
self._offset = offset
self._volume = int(volume)
if self._volume <= 0:
raise Exception("下单手数(volume) %s 错误, 请检查 volume 是否填写正确" % (volume))
if price not in ("ACTIVE", "PASSIVE"):
raise Exception("下单方式(price) %s 错误, 请检查 price 参数是否填写正确" % (price))
self._price = price
self._trade_chan = trade_chan if trade_chan is not None else TqChan(
self._api)
self._quote = self._api.get_quote(self._symbol)
self._task = self._api.create_task(self._run())
async def _run(self):
"""负责追价下单的task"""
async with self.api.register_update_notify() as update_chan:
# 确保获得初始行情
while self.quote["datetime"] == "":
await update_chan.recv()
while self.volume != 0:
limit_price = self._get_price()
insert_order_task = InsertOrderTask(self.api, self.symbol, self.direction, self.offset, self.volume, limit_price = limit_price, trade_chan = self.trade_chan)
order = await insert_order_task.order_chan.recv()
check_chan = TqChan(last_only=True)
check_task = self.api.create_task(self._check_price(check_chan, limit_price, order))
await insert_order_task.task
await check_chan.close()
await check_task
order = insert_order_task.order_chan.recv_latest(order)
self.volume = order["volume_left"]
def link_tq(api):
"""
处理py进程到天勤的连接
根据天勤提供的命令行参数, 决定 TqApi 工作方式
* 直接调整api的参数
TqApi运行过程中的一批信息主动发送到天勤显示
* 进程启动和停止
* set_chart_data 指令全部发往天勤绘图
* 所有 log / print 信息传递一份
* exception 发送一份
* 所有报单/成交记录抄送一份
:return: (account, backtest, md_url)
"""
from tqsdk.api import TqChan, TqAccount
from tqsdk.sim import TqSim
# 解析命令行参数
parser = argparse.ArgumentParser()
# 天勤连接基本参数
parser.add_argument('--_action', type=str, required=False)
parser.add_argument('--_tq_pid', type=int, required=False)
parser.add_argument('--_tq_url', type=str, required=False)
# action==run时需要这几个
parser.add_argument('--_broker_id', type=str, required=False)
parser.add_argument('--_account_id', type=str, required=False)
parser.add_argument('--_password', type=str, required=False)
# action==backtest时需要这几个
parser.add_argument('--_start_dt', type=str, required=False)
parser.add_argument('--_end_dt', type=str, required=False)
# action==mdreplay时需要这几个
parser.add_argument('--_ins_url', type=str, required=False)
parser.add_argument('--_md_url', type=str, required=False)
args, unknown = parser.parse_known_args()
# 非天勤启动时直接返回
if args._action is None:
return None, None
if args._tq_pid is None:
raise Exception("_tq_pid 参数缺失")
if args._tq_url is None:
raise Exception("_tq_url 参数缺失")
if args._action == "run" and (not args._broker_id or not args._account_id
or not args._password):
raise Exception("run 必要参数缺失")
if args._action == "backtest" and (not args._start_dt or not args._end_dt):
raise Exception("backtest 必要参数缺失")
if args._action == "mdreplay" and (not args._ins_url or not args._md_url):
raise Exception("mdreplay 必要参数缺失")
# 监控天勤进程存活情况
TqMonitorThread(args._tq_pid).start()
# 建立到天勤进程的连接
tq_send_chan, tq_recv_chan = TqChan(api), TqChan(api) # 连接到天勤的channel
api.create_task(api._connect(args._tq_url, tq_send_chan,
tq_recv_chan)) # 启动到天勤客户端的连接
# 根据运行模式分别执行不同的初始化任务
if args._action == "run":
instance = SingleInstance(args._account_id)
api._account = TqAccount(args._broker_id, args._account_id,
args._password)
api._backtest = None
dt_func = lambda: int(datetime.datetime.now().timestamp() * 1e9)
tq_send_chan.send_nowait({
"aid": "register_instance",
"instance_id": instance.instance_id,
"full_path": get_self_full_name(),
"instance_pid": os.getpid(),
"instance_type": "RUN",
"broker_id": args._broker_id,
"account_id": args._account_id,
"password": args._password,
})
elif args._action == "backtest":
instance = SingleInstance("%s-%s" % (args._start_dt, args._end_dt))
if not isinstance(api._account, TqSim):
api._account = TqSim()
from tqsdk.backtest import TqBacktest
start_date = datetime.datetime.strptime(args._start_dt, '%Y%m%d')
end_date = datetime.datetime.strptime(args._end_dt, '%Y%m%d')
api._backtest = TqBacktest(start_dt=start_date, end_dt=end_date)
dt_func = lambda: api._account._get_current_timestamp()
tq_send_chan.send_nowait({
"aid": "register_instance",
"instance_id": instance.instance_id,
"full_path": get_self_full_name(),
"instance_pid": os.getpid(),
"instance_type": "BACKTEST",
"start_dt": args._start_dt,
"end_dt": args._end_dt,
})
elif args._action == "mdreplay":
instance = SingleInstance(args._account_id)
api._account = TqSim(account_id=args._account_id)
api._backtest = None
api._md_url = args._md_url
api._ins_url = args._ins_url
dt_func = lambda: api._account._get_current_timestamp()
tq_send_chan.send_nowait({
"aid": "register_instance",
"instance_id": instance.instance_id,
"full_path": get_self_full_name(),
"instance_pid": os.getpid(),
"instance_type": "RUN",
"account_id": "SIM",
})
else:
raise Exception("_action 参数异常")
# print输出, exception信息转发到天勤
logger = logging.getLogger("TQ")
logger.setLevel(logging.INFO)
logger.addHandler(LogHandlerChan(tq_send_chan,
dt_func=dt_func)) # log输出到天勤接口
sys.stdout = PrintWriterToLog(logger) # print信息转向log输出
sys.excepthook = partial(exception_handler, api,
sys.excepthook) # exception信息转向log输出
# 向api注入监控任务, 将账户交易信息主动推送到天勤
api.create_task(account_watcher(api, dt_func, tq_send_chan))
return tq_send_chan, tq_recv_chan
async def _gen_serial(self, ins, dur):
"""k线/tick 序列的 async generator, yield 出来的行情数据带有时间戳, 因此 _send_diff 可以据此归并"""
# 先定位左端点, focus_datetime 是 lower_bound ,这里需要的是 upper_bound
# 因此将 view_width 和 focus_position 设置成一样，这样 focus_datetime 所对应的 k线刚好位于屏幕外
chart_info = {
"aid":
"set_chart",
"chart_id":
TqApi._generate_chart_id("backtest", ins, dur // 1000000000),
"ins_list":
ins,
"duration":
dur,
"view_width":
8964,
"focus_datetime":
int(self.current_dt),
"focus_position":
8964,
}
chart = TqApi._get_obj(self.data, ["charts", chart_info["chart_id"]])
current_id = None # 当前数据指针
serial = TqApi._get_obj(
self.data,
["klines", ins, str(dur)] if dur != 0 else ["ticks", ins])
async with TqChan(self.api, last_only=True) as update_chan:
serial["_listener"].add(update_chan)
chart["_listener"].add(update_chan)
await self.md_send_chan.send(chart_info.copy())
try:
async for _ in update_chan:
if not (chart_info.items() <= TqApi._get_obj(
chart, ["state"]).items()):
# 当前请求还没收齐回应, 不应继续处理
continue
left_id = chart.get("left_id", -1)
right_id = chart.get("right_id", -1)
last_id = serial.get("last_id", -1)
if (left_id == -1 and right_id == -1) or last_id == -1:
# 定位信息还没收到, 或数据序列还没收到
continue
if self.data.get("mdhis_more_data", True):
self.data["_listener"].add(update_chan)
continue
else:
self.data["_listener"].discard(update_chan)
if current_id is None:
current_id = max(left_id, 0)
while True:
if current_id > last_id:
# 当前 id 已超过 last_id
return
if current_id - chart_info.get("left_kline_id",
left_id) > 5000:
# 当前 id 已超出订阅范围, 需重新订阅后续数据
chart_info["left_kline_id"] = current_id
chart_info.pop("focus_datetime", None)
chart_info.pop("focus_position", None)
await self.md_send_chan.send(chart_info.copy())
if current_id > right_id:
break
item = serial["data"].get(str(current_id), {}).copy()
del item["_path"]
del item["_listener"]
if dur == 0:
diff = {
"ticks": {
ins: {
"last_id": current_id,
"data": {
str(current_id): item,
str(current_id - 8964): None,
}
}
}
}
if item["datetime"] > self.end_dt: # 超过结束时间
return
yield item[
"datetime"], diff, self._get_quotes_from_tick(
item)
else:
diff = {
"klines": {
ins: {
str(dur): {
"last_id": current_id,
"data": {
str(current_id): {
"datetime":
item["datetime"],
"open": item["open"],
"high": item["open"],
"low": item["open"],
"close": item["open"],
"volume": 0,
"open_oi": item["open_oi"],
"close_oi":
item["open_oi"],
},
str(current_id - 8964): None,
}
}
}
}
}
timestamp = item[
"datetime"] if dur < 86400000000000 else TqApi._get_trading_day_start_time(
item["datetime"])
if timestamp > self.end_dt: # 超过结束时间
return
yield timestamp, diff, None
diff = {
"klines": {
ins: {
str(dur): {
"data": {
str(current_id): item,
}
}
}
}
}
timestamp = item[
"datetime"] + dur - 1000 if dur < 86400000000000 else TqApi._get_trading_day_end_time(
item["datetime"])
if timestamp > self.end_dt: # 超过结束时间
return
yield timestamp, diff, self._get_quotes_from_kline(
self.data["quotes"][ins], timestamp, item)
current_id += 1
finally:
# 释放chart资源
chart_info["ins_list"] = ""
await self.md_send_chan.send(chart_info.copy())