增加tianqin数据接口API
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commit
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3
setup.py
3
setup.py
@ -60,4 +60,7 @@ setup(
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'*.h', '*.cpp', '*.bash', '*.txt',
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'*.dll', '*.lib', '*.so', '*.pyd',
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'*.dat', '*.ini', '*.pfx', '*.scc', '*.crt', '*.key']},
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extras_require={
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'tq': ["tornado>=4.5.1", "sortedcontainers>=1.5.7"],
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}
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)
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@ -2,4 +2,5 @@
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### 历史数据
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* datayes:通联数据接口
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* shcifco:上海中期接口
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* shcifco:上海中期接口
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* tq:天勤数据接口
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0
vnpy/data/tq/__init__.py
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0
vnpy/data/tq/__init__.py
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45
vnpy/data/tq/test.py
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vnpy/data/tq/test.py
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@ -0,0 +1,45 @@
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# encoding: UTF-8
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from vntq import TqApi
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# 接口对象
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api = None
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#----------------------------------------------------------------------
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def onQuote(symbol):
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"""Tick更新"""
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print '-' * 30
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print 'onQuote'
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quote = api.get_quote(symbol)
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print quote
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#----------------------------------------------------------------------
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def onChart(symbol, seconds):
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"""K线更新"""
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print '-' * 30
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print 'onChart'
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if seconds == 0:
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serial = api.get_tick_serial(symbol)
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else:
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serial = api.get_kline_serial(symbol, seconds)
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print serial
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if __name__ == "__main__":
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api = TqApi()
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api.connect()
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api.subscribe_quote(["RM801"], onQuote)
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api.subscribe_chart("RM801", 0, 100, onChart)
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raw_input()
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264
vnpy/data/tq/vntq.py
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vnpy/data/tq/vntq.py
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@ -0,0 +1,264 @@
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# encoding: UTF-8
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"""
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对接天勤行情的网关接口,可以提供国内期货的报价/K线/Tick序列等数据的实时推送和历史仿真
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使用时需要在本机先启动一个天勤终端进程
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天勤行情终端: http://www.tq18.cn
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"""
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import json
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import threading
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import tornado
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from tornado import websocket
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from sortedcontainers import SortedDict
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########################################################################
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class TqApi(object):
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"""天勤行情接口"""
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#----------------------------------------------------------------------
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def __init__(self):
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"""Constructor"""
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self.data = {} # 数据存储
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self.client = None # websocket客户端
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self.requests = [] # 请求缓存
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self.quote_callback_func = None # tick回调函数
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self.chart_subscribes = {} # k线回调函数
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#----------------------------------------------------------------------
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def connect(self):
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"""
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建立行情连接。
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"""
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self.start()
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# 启动tornado的IO线程
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loop_thread = threading.Thread(target=lambda : tornado.ioloop.IOLoop.current().start())
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loop_thread.setDaemon(True)
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loop_thread.start()
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#----------------------------------------------------------------------
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def subscribe_quote(self, ins_list, callback_func=None):
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"""
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订阅实时行情.
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指定一个合约列表,订阅其实时报价信息
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每次调用此函数时,都会覆盖前一次的订阅设定,不在订阅列表里的合约,会停止行情推送
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:param ins_list: ins_list 是一个列表,列出全部需要实时行情的合约代码。
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:param callback_func (可选): callback_func 是一个回调函数,每当有报价数据变更时会触发。此函数应该接受一个参数 ins_id
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:example:
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订阅 cu1803,SR709,IF1709 这三个合约的报价: subscribe_quote(["cu1803", ”SR709", "IF1709"])
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"""
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if callback_func:
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self.quote_callback_func = callback_func
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req = {
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"aid": "subscribe_quote",
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"ins_list": ",".join(ins_list),
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}
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self.send_json(req)
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#----------------------------------------------------------------------
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def subscribe_chart(self, ins_id, duration_seconds, data_length=200, callback_func=None):
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"""
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订阅历史行情序列.
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订阅指定合约及周期的历史行情序列(K线数据序列或Tick数据序列),这些序列数据会持续推送
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:param ins_id: 合约代码,需注意大小写
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:param duration_seconds: 历史数据周期,以秒为单位。目前支持的周期包括:
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3秒,5秒,10秒,15秒,20秒,30秒,1分钟,2分钟,3分钟,5分钟,10分钟,15分钟,20分钟,30分钟,1小时,2小时,4小时,1日
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特别的,此值指定为0表示订阅tick序列。
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:param data_length: 需要获取的序列长度。每个序列最大支持请求 8964 个数据
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:param callback_func (可选): callback_func 是一个回调函数,每当序列数据变更时会触发。此函数应该接受2个参数 ins_id, duration_seconds
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:example:
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订阅 cu1803 的1分钟线: subscribe_chart("s1", "cu1803", 60)
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订阅 IF1709 的tick线: subscribe_chart("s2", "IF1709", 0)
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"""
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chart_id = self._generate_chart_id(ins_id, duration_seconds)
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# 限制最大数据长度
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if data_length > 8964:
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data_length = 8964
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req = {
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"aid": "set_chart",
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"chart_id": chart_id,
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"ins_list": ins_id,
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"duration": duration_seconds * 1000000000,
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"view_width": data_length,
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}
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self.send_json(req)
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self.chart_subscribes[chart_id] = req
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self.chart_subscribes[chart_id]["callback"] = callback_func
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#----------------------------------------------------------------------
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def get_quote(self, ins_id):
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"""
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获取报价数据
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:param ins_id: 指定合约代码
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:return: 若指定的数据不存在,返回None,否则返回如下所示的一个dict
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{
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u'datetime': u'2017-07-26 23:04:21.000001',# tick从交易所发出的时间(按北京时区)
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u'instrument_id': u'SR801', # 合约代码
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u'last_price': 6122.0, # 最新价
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u'bid_price1': 6121.0, # 买一价
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u'ask_price1': 6122.0, # 卖一价
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u'bid_volume1': 54, # 买一量
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u'ask_volume1': 66, # 卖一量
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u'upper_limit': 6388.0, # 涨停价
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u'lower_limit': 5896.0, # 跌停价
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u'volume': 89252, # 成交量
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u'amount': 5461329880.0, # 成交额
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u'open_interest': 616424, # 持仓量
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u'highest': 6129.0, # 当日最高价
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u'lowest': 6101.0, # 当日最低价
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u'average': 6119.0, # 当日均价
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u'open': 6102.0, # 开盘价
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u'close': u'-', # 收盘价
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u'settlement': u'-', # 结算价
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u'pre_close': 6106.0, # 昨收盘价
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u'pre_settlement': 6142.0 # 昨结算价
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u'pre_open_interest': 616620, # 昨持仓量
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}
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"""
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return self.data.setdefault("quotes", {}).get(ins_id, None)
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#----------------------------------------------------------------------
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def get_tick_serial(self, ins_id):
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"""
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获取tick序列数据
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:param ins_id: 指定合约代码
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:return: 若指定的序列数据不存在,返回None,否则返回如下所示的一个dict
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{
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u'485107':{ # 每个Tick都有一个唯一编号,在一个序列中,编号总是连续递增的
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u'datetime': 1501074872000000000L, # tick从交易所发出的时间(按北京时区),以nano epoch 方式表示(等于从1970-01-01时刻开始的纳秒数)
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u'trading_day': 1501084800000000000L, #交易日, 格式同上
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u'last_price': 3887, # 最新价
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u'bid_price1': 3881, # 买一价
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u'ask_price1': 3886, # 卖一价
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u'bid_volume1': 5, # 买一量
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u'ask_volume1': 1, #卖一量
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u'highest': 3887, # 当日最高价
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u'lowest': 3886, # 当日最低价
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u'volume': 6, # 成交量
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u'open_interest': 1796 # 持仓量
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},
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u'485108': {
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...
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}
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}
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"""
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return self.data.setdefault("ticks", {}).setdefault(ins_id, {}).get("data", None)
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#----------------------------------------------------------------------
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def get_kline_serial(self, ins_id, duration_seconds):
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"""
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获取k线序列数据
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:param ins_id: 指定合约代码
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:param duration_seconds: 指定K线周期
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:return: 若指定的序列数据不存在,返回None,否则返回如下所示的一个dict
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{
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u'494835': { # 每根K线都有一个唯一编号,在一个序列中,编号总是连续递增的
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u'datetime': 1501080715000000000L, # K线起点时间(按北京时区),以nano epoch 方式表示(等于从1970-01-01时刻开始的纳秒数)
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u'open': 51450, # K线起始时刻的最新价
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u'high': 51450, # K线时间范围内的最高价
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u'low': 51450, # K线时间范围内的最低价
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u'close': 51450, # K线结束时刻的最新价
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u'volume': 0, # K线时间范围内的成交量
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u'open_oi': 27354, # K线起始时刻的持仓量
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u'close_oi': 27354 # K线结束时刻的持仓量
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},
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u'494836': {
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...
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}
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}
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"""
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dur_id = "%d" % (duration_seconds * 1000000000)
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return self.data.setdefault("klines", {}).setdefault(ins_id, {}).setdefault(dur_id, {}).get("data", None)
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#----------------------------------------------------------------------
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@tornado.gen.coroutine
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def start(self):
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"""启动websocket客户端"""
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self.client = yield tornado.websocket.websocket_connect(url="ws://127.0.0.1:7777/")
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# 发出所有缓存的请求
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for req in self.requests:
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self.client.write_message(req)
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self.requests = []
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# 协程式读取数据
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while True:
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msg = yield self.client.read_message()
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self.on_receive_msg(msg)
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#----------------------------------------------------------------------
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def send_json(self, obj):
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"""发送JSON内容"""
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s = json.dumps(obj)
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# 如果已经创建了客户端则直接发出请求
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if self.client:
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self.client.write_message(s)
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# 否则缓存在请求缓存中
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else:
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self.requests.append(s)
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#----------------------------------------------------------------------
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def on_receive_msg(self, msg):
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"""收到数据推送"""
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pack = json.loads(msg)
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l = pack["data"]
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for data in l:
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# 合并更新数据字典
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self._merge_obj(self.data, data)
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# 遍历更新内容并调用回调函数
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for selector, section in data.items():
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if selector == "quotes":
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if self.quote_callback_func:
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for ins_id in section.keys():
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self.quote_callback_func(ins_id)
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elif selector == "ticks":
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for ins_id in section.keys():
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chart_id = self._generate_chart_id(ins_id, 0)
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sub_info = self.chart_subscribes.get(chart_id)
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tick_serial = self.get_tick_serial(ins_id)
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while len(tick_serial) > sub_info["view_width"]:
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tick_serial.popitem(last=False)
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callback_func = sub_info["callback"]
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if callback_func:
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callback_func(ins_id, 0)
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elif selector == "klines":
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for ins_id, sub_section in section.items():
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for dur_nanoseconds in sub_section.keys():
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dur_seconds = int(dur_nanoseconds) / 1000000000
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chart_id = self._generate_chart_id(ins_id, dur_seconds)
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sub_info = self.chart_subscribes.get(chart_id)
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kline_serial = self.get_kline_serial(ins_id, dur_seconds)
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while len(kline_serial) > sub_info["view_width"]:
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kline_serial.popitem(last=False)
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callback_func = sub_info["callback"]
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if callback_func:
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callback_func(ins_id, dur_seconds)
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#----------------------------------------------------------------------
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def _merge_obj(self, result, obj):
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"""合并对象"""
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for key, value in obj.items():
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if value is None:
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result.pop(key, None)
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elif isinstance(value, dict):
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target = result.setdefault(key, SortedDict())
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self._merge_obj(target, value)
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else:
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result[key] = value
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#----------------------------------------------------------------------
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def _generate_chart_id(self, ins_id, duration_seconds):
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"""生成图表编号"""
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chart_id = "VN_%s_%d" % (ins_id, duration_seconds)
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return chart_id
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