本篇内容介绍了“怎么为VNPY 2版本加入聚宽数据源”的有关知识,在实际案例的操作过程中,不少人都会遇到这样的困境,接下来就让小编带领大家学习一下如何处理这些情况吧!希望大家仔细阅读,能够学有所成!
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代码如下:
# encoding: UTF-8 import json import time from datetime import datetime, timedelta from typing import List import jqdatasdk as jq from vnpy.trader.constant import Exchange, Interval from vnpy.trader.database import database_manager from vnpy.trader.object import ( BarData ) class JQDataService: """ Service for download market data from Joinquant """ def __init__(self): # 加载配置 config = open('config.json') self.setting = json.load(config) USERNAME = self.setting['jqdata.Username'] PASSWORD = self.setting['jqdata.Password'] try: jq.auth(USERNAME, PASSWORD) except Exception as ex: print("jq auth fail:" + repr(ex)) def to_jq_symbol(self, symbol: str, exchange: Exchange): """ CZCE product of RQData has symbol like "TA1905" while vt symbol is "TA905.CZCE" so need to add "1" in symbol. """ if exchange in [Exchange.SSE, Exchange.SZSE]: if exchange == Exchange.SSE: jq_symbol = f"{symbol}.XSHG" # 上海证券交易所 else: jq_symbol = f"{symbol}.XSHE" # 深圳证券交易所 elif exchange == Exchange.SHFE: jq_symbol = f"{symbol}.XSGE" # 上期所 elif exchange == Exchange.CFFEX: jq_symbol = f"{symbol}.CCFX" # 中金所 elif exchange == Exchange.DCE: jq_symbol = f"{symbol}.XDCE" # 大商所 elif exchange == Exchange.INE: jq_symbol = f"{symbol}.XINE" # 上海国际能源期货交易所 elif exchange == Exchange.CZCE: # 郑商所 的合约代码年份只有三位 需要特殊处理 for count, word in enumerate(symbol): if word.isdigit(): break # Check for index symbol time_str = symbol[count:] if time_str in ["88", "888", "99", "8888"]: return f"{symbol}.XZCE" # noinspection PyUnboundLocalVariable product = symbol[:count] year = symbol[count] month = symbol[count + 1:] if year == "9": year = "1" + year else: year = "2" + year jq_symbol = f"{product}{year}{month}.XZCE" return jq_symbol.upper() def query_history(self, symbol, exchange, start, end, interval='1m'): """ Query history bar data from JQData and update Database. """ jq_symbol = self.to_jq_symbol(symbol, exchange) # if jq_symbol not in self.symbols: # return None # For querying night trading period data # end += timedelta(1) now = datetime.now() if end >= now: end = now elif end.year == now.year and end.month == now.month and end.day == now.day: end = now df = jq.get_price( jq_symbol, frequency=interval, fields=["open", "high", "low", "close", "volume"], start_date=start, end_date=end, skip_paused=True ) data: List[BarData] = [] if df is not None: for ix, row in df.iterrows(): bar = BarData( symbol=symbol, exchange=exchange, interval=Interval.MINUTE, datetime=row.name.to_pydatetime() - timedelta(minutes=1), open_price=row["open"], high_price=row["high"], low_price=row["low"], close_price=row["close"], volume=row["volume"], gateway_name="JQ" ) data.append(bar) database_manager.save_bar_data(data) return data def downloadAllMinuteBar(self, days=1): """下载所有配置中的合约的分钟线数据""" if days != 0: startDt = datetime.today() - days * timedelta(1) enddt = datetime.today() else: startDt = datetime.today() - 10 * timedelta(1) enddt = datetime.today() print('-' * 50) print(u'开始下载合约分钟线数据') print('-' * 50) if 'Bar.Min' in self.setting: l = self.setting["Bar.Min"] for VNSymbol in l: dt0 = time.process_time() symbol = VNSymbol.split(".")[0] exchange = Exchange(VNSymbol.split(".")[1]) self.query_history(symbol, exchange, startDt, enddt, interval='1m') cost = (time.process_time() - dt0) print(u'合约%s的分钟K线数据下载完成%s - %s,耗时%s秒' % (symbol, startDt, enddt, cost)) print(jq.get_query_count()) print('-' * 50) print u'合约分钟线数据下载完成' print('-' * 50) return None if __name__ == '__main__': JQdata = JQDataService() JQdata.downloadAllMinuteBar(days=30)
config.json
{ "jqdata.Username": "", "jqdata.Password": "", "Bar.Min": [ "MA8888.CZCE", "MA009.CZCE", "SR8888.CZCE", "RM8888.CZCE", ] }
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