vnpy/vn.trader/ctaAlgo/ctaHistoryData.py
chenxy123 42df562e60 初步完成了vn.trader的CTA策略模块,和vn.strategy相比的主要变化包括:
1. 重新设计的策略引擎API
2. 重新设计的策略模板,策略方面的开发更直观
3. 设计了一个基于EMA双均线的演示策略
4. 基于新的策略模板重写了行情记录工具DataRecorder
2016-02-04 20:41:37 +08:00

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# encoding: UTF-8
"""
本模块中主要包含:
1. 从通联数据下载历史行情的引擎
2. 用来把MultiCharts导出的历史数据载入到MongoDB中用的函数
"""
from datetime import datetime, timedelta
import pymongo
from time import time
from multiprocessing.pool import ThreadPool
from ctaBase import *
from vtConstant import *
from datayesClient import DatayesClient
# 以下为vn.trader和通联数据规定的交易所代码映射
VT_TO_DATAYES_EXCHANGE = {}
VT_TO_DATAYES_EXCHANGE[EXCHANGE_CFFEX] = 'CCFX' # 中金所
VT_TO_DATAYES_EXCHANGE[EXCHANGE_SHFE] = 'XSGE' # 上期所
VT_TO_DATAYES_EXCHANGE[EXCHANGE_CZCE] = 'XZCE' # 郑商所
VT_TO_DATAYES_EXCHANGE[EXCHANGE_DCE] = 'XDCE' # 大商所
DATAYES_TO_VT_EXCHANGE = {v:k for k,v in VT_TO_DATAYES_EXCHANGE.items()}
########################################################################
class HistoryDataEngine(object):
"""CTA模块用的历史数据引擎"""
#----------------------------------------------------------------------
def __init__(self):
"""Constructor"""
self.dbClient = pymongo.MongoClient()
self.datayesClient = DatayesClient()
#----------------------------------------------------------------------
def lastTradeDate(self):
"""获取最近交易日(只考虑工作日,无法检查国内假期)"""
today = datetime.now()
oneday = timedelta(1)
if today.weekday() == 5:
today = today - oneday
elif today.weekday() == 6:
today = today - oneday*2
return today.strftime('%Y%m%d')
#----------------------------------------------------------------------
def readFuturesProductSymbol(self):
"""查询所有期货产品代码"""
cx = self.dbClient[SETTING_DB_NAME]['FuturesSymbol'].find()
return set([d['productSymbol'] for d in cx]) # 这里返回的是集合(因为会重复)
#----------------------------------------------------------------------
def readFuturesSymbol(self):
"""查询所有期货合约代码"""
cx = self.dbClient[SETTING_DB_NAME]['FuturesSymbol'].find()
return [d['symbol'] for d in cx] # 这里返回的是列表
#----------------------------------------------------------------------
def downloadFuturesSymbol(self, tradeDate=''):
"""下载所有期货的代码"""
if not tradeDate:
tradeDate = self.lastTradeDate()
self.dbClient[SETTING_DB_NAME]['FuturesSymbol'].ensure_index([('symbol', pymongo.ASCENDING)],
unique=True)
path = 'api/market/getMktMFutd.json'
params = {}
params['tradeDate'] = tradeDate
data = self.datayesClient.downloadData(path, params)
if data:
for d in data:
symbolDict = {}
symbolDict['symbol'] = d['ticker']
symbolDict['productSymbol'] = d['contractObject']
flt = {'symbol': d['ticker']}
self.dbClient[SETTING_DB_NAME]['FuturesSymbol'].update_one(flt, {'$set':symbolDict},
upsert=True)
print u'期货合约代码下载完成'
else:
print u'期货合约代码下载失败'
#----------------------------------------------------------------------
def downloadFuturesDailyBar(self, symbol):
"""
下载期货合约的日行情symbol是合约代码
若最后四位为0000如IF0000代表下载连续合约。
"""
print u'开始下载%s日行情' %symbol
# 查询数据库中已有数据的最后日期
cl = self.dbClient[DAILY_DB_NAME][symbol]
cx = cl.find(sort=[('datetime', pymongo.DESCENDING)])
if cx.count():
last = cx[0]
else:
last = ''
# 主力合约
if '0000' in symbol:
path = 'api/market/getMktMFutd.json'
params = {}
params['contractObject'] = symbol.replace('0000', '')
params['mainCon'] = 1
if last:
params['startDate'] = last['date']
# 交易合约
else:
path = 'api/market/getMktFutd.json'
params = {}
params['ticker'] = symbol
if last:
params['startDate'] = last['date']
# 开始下载数据
data = self.datayesClient.downloadData(path, params)
if data:
# 创建datetime索引
self.dbClient[DAILY_DB_NAME][symbol].ensure_index([('datetime', pymongo.ASCENDING)],
unique=True)
for d in data:
bar = CtaBarData()
bar.vtSymbol = symbol
bar.symbol = symbol
try:
bar.exchange = DATAYES_TO_VT_EXCHANGE.get(d.get('exchangeCD', ''), '')
bar.open = d.get('openPrice', 0)
bar.high = d.get('highestPrice', 0)
bar.low = d.get('lowestPrice', 0)
bar.close = d.get('closePrice', 0)
bar.date = d.get('tradeDate', '').replace('-', '')
bar.time = ''
bar.datetime = datetime.strptime(bar.date, '%Y%m%d')
bar.volume = d.get('turnoverVol', 0)
bar.openInterest = d.get('openInt', 0)
except KeyError:
print d
flt = {'datetime': bar.datetime}
self.dbClient[DAILY_DB_NAME][symbol].update_one(flt, {'$set':bar.__dict__}, upsert=True)
print u'%s下载完成' %symbol
else:
print u'找不到合约%s' %symbol
#----------------------------------------------------------------------
def downloadAllFuturesDailyBar(self):
"""下载所有期货的主力合约日行情"""
start = time()
print u'开始下载所有期货的主力合约日行情'
productSymbolSet = self.readFuturesProductSymbol()
print u'代码列表读取成功,产品代码:%s' %productSymbolSet
# 这里也测试了线程池,但可能由于下载函数中涉及较多的数据格
# 式转换CPU开销较大多线程效率并无显著改变。
#p = ThreadPool(10)
#p.map(self.downloadFuturesDailyBar, productSymbolSet)
#p.close()
#p.join()
for productSymbol in productSymbolSet:
self.downloadFuturesDailyBar(productSymbol+'0000')
print u'所有期货的主力合约日行情已经全部下载完成, 耗时%s' %(time()-start)
#----------------------------------------------------------------------
def downloadFuturesIntradayBar(self, symbol):
"""下载期货的日内分钟行情"""
print u'开始下载%s日内分钟行情' %symbol
# 日内分钟行情只有具体合约
path = 'api/market/getFutureBarRTIntraDay.json'
params = {}
params['instrumentID'] = symbol
params['unit'] = 1
data = self.datayesClient.downloadData(path, params)
if data:
today = datetime.now().strftime('%Y%m%d')
# 创建datetime索引
self.dbClient[MINUTE_DB_NAME][symbol].ensure_index([('datetime', pymongo.ASCENDING)],
unique=True)
for d in data:
bar = CtaBarData()
bar.vtSymbol = symbol
bar.symbol = symbol
try:
bar.exchange = DATAYES_TO_VT_EXCHANGE.get(d.get('exchangeCD', ''), '')
bar.open = d.get('openPrice', 0)
bar.high = d.get('highestPrice', 0)
bar.low = d.get('lowestPrice', 0)
bar.close = d.get('closePrice', 0)
bar.date = today
bar.time = d.get('barTime', '')
bar.datetime = datetime.strptime(bar.date + ' ' + bar.time, '%Y%m%d %H:%M')
bar.volume = d.get('totalVolume', 0)
bar.openInterest = 0
except KeyError:
print d
flt = {'datetime': bar.datetime}
self.dbClient[MINUTE_DB_NAME][symbol].update_one(flt, {'$set':bar.__dict__}, upsert=True)
print u'%s下载完成' %symbol
else:
print u'找不到合约%s' %symbol
#----------------------------------------------------------------------
def downloadEquitySymbol(self, tradeDate=''):
"""下载所有股票的代码"""
if not tradeDate:
tradeDate = self.lastTradeDate()
self.dbClient[SETTING_DB_NAME]['EquitySymbol'].ensure_index([('symbol', pymongo.ASCENDING)],
unique=True)
path = 'api/market/getMktEqud.json'
params = {}
params['tradeDate'] = tradeDate
data = self.datayesClient.downloadData(path, params)
if data:
for d in data:
symbolDict = {}
symbolDict['symbol'] = d['ticker']
flt = {'symbol': d['ticker']}
self.dbClient[SETTING_DB_NAME]['EquitySymbol'].update_one(flt, {'$set':symbolDict},
upsert=True)
print u'股票代码下载完成'
else:
print u'股票代码下载失败'
#----------------------------------------------------------------------
def downloadEquityDailyBar(self, symbol):
"""
下载股票的日行情symbol是股票代码
"""
print u'开始下载%s日行情' %symbol
# 查询数据库中已有数据的最后日期
cl = self.dbClient[DAILY_DB_NAME][symbol]
cx = cl.find(sort=[('datetime', pymongo.DESCENDING)])
if cx.count():
last = cx[0]
else:
last = ''
# 开始下载数据
path = 'api/market/getMktEqud.json'
params = {}
params['ticker'] = symbol
if last:
params['startDate'] = last['date']
data = self.datayesClient.downloadData(path, params)
if data:
# 创建datetime索引
self.dbClient[DAILY_DB_NAME][symbol].ensure_index([('datetime', pymongo.ASCENDING)],
unique=True)
for d in data:
bar = CtaBarData()
bar.vtSymbol = symbol
bar.symbol = symbol
try:
bar.exchange = DATAYES_TO_VT_EXCHANGE.get(d.get('exchangeCD', ''), '')
bar.open = d.get('openPrice', 0)
bar.high = d.get('highestPrice', 0)
bar.low = d.get('lowestPrice', 0)
bar.close = d.get('closePrice', 0)
bar.date = d.get('tradeDate', '').replace('-', '')
bar.time = ''
bar.datetime = datetime.strptime(bar.date, '%Y%m%d')
bar.volume = d.get('turnoverVol', 0)
except KeyError:
print d
flt = {'datetime': bar.datetime}
self.dbClient[DAILY_DB_NAME][symbol].update_one(flt, {'$set':bar.__dict__}, upsert=True)
print u'%s下载完成' %symbol
else:
print u'找不到合约%s' %symbol
#----------------------------------------------------------------------
def loadMcCsv(fileName, dbName, symbol):
"""将Multicharts导出的csv格式的历史数据插入到Mongo数据库中"""
import csv
start = time()
print u'开始读取CSV文件%s中的数据插入到%s%s' %(fileName, dbName, symbol)
# 锁定集合,并创建索引
client = pymongo.MongoClient()
collection = client[dbName][symbol]
collection.ensure_index([('datetime', pymongo.ASCENDING)], unique=True)
# 读取数据和插入到数据库
reader = csv.DictReader(file(fileName, 'r'))
for d in reader:
bar = CtaBarData()
bar.vtSymbol = symbol
bar.symbol = symbol
bar.open = float(d['Open'])
bar.high = float(d['High'])
bar.low = float(d['Low'])
bar.close = float(d['Close'])
bar.date = datetime.strptime(d['Date'], '%Y/%m/%d').strftime('%Y%m%d')
bar.time = d['Time']
bar.datetime = datetime.strptime(bar.date + ' ' + bar.time, '%Y%m%d %H:%M:%S')
bar.volume = d['TotalVolume']
flt = {'datetime': bar.datetime}
collection.update_one(flt, {'$set':bar.__dict__}, upsert=True)
print bar.date, bar.time
print u'插入完毕,耗时:%s' % (time()-start)
if __name__ == '__main__':
## 简单的测试脚本可以写在这里
#from time import sleep
#e = HistoryDataEngine()
#sleep(1)
#e.downloadEquityDailyBar('000001')
# 这里将项目中包含的股指日内分钟线csv导入MongoDB作者电脑耗时大约3分钟
loadMcCsv('IF0000_1min.csv', MINUTE_DB_NAME, 'IF0000')