def onTick(self, tick):
"""收到行情TICK推送（必须由用户继承实现）"""
# 计算K线
tickMinute = tick.datetime.minute
if tickMinute != self.barMinute:
if self.bar:
self.onBar(self.bar)
bar = VtBarData()
bar.vtSymbol = tick.vtSymbol
bar.symbol = tick.symbol
bar.exchange = tick.exchange
bar.open = tick.lastPrice
bar.high = tick.lastPrice
bar.low = tick.lastPrice
bar.close = tick.lastPrice
bar.date = tick.date
bar.time = tick.time
bar.datetime = tick.datetime # K线的时间设为第一个Tick的时间
self.bar = bar # 这种写法为了减少一层访问，加快速度
self.barMinute = tickMinute # 更新当前的分钟
else: # 否则继续累加新的K线
bar = self.bar # 写法同样为了加快速度
bar.high = max(bar.high, tick.lastPrice)
bar.low = min(bar.low, tick.lastPrice)
bar.close = tick.lastPrice
def downloadEquityDailyBar(self, symbol):
"""
下载股票的日行情，symbol是股票代码
"""
print('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['beginDate'] = 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 = VtBarData()
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, {'$set': bar.__dict__}, upsert=True)
print('%s下载完成' % symbol)
else:
print('找不到合约%s' % symbol)
def downloadFuturesIntradayBar(self, symbol):
"""下载期货的日内分钟行情"""
print('开始下载%s日内分钟行情' % symbol)
# 日内分钟行情只有具体合约
path = 'api/market/getFutureBarRTIntraDay.json'
params = {}
params['instrumentID'] = symbol
params['unit'] = 1
data = self.datayesClient.downloadData(path, params)
if data:
today = datetime.now().strftime('%Y%m%d')
# 创建datetime索引
self.dbClient[MINUTE_DB_NAME][symbol].ensure_index(
[('datetime', pymongo.ASCENDING)], unique=True)
for d in data:
bar = VtBarData()
bar.vtSymbol = symbol
bar.symbol = symbol
try:
bar.exchange = DATAYES_TO_VT_EXCHANGE.get(
d.get('exchangeCD', ''), '')
bar.open = d.get('openPrice', 0)
bar.high = d.get('highestPrice', 0)
bar.low = d.get('lowestPrice', 0)
bar.close = d.get('closePrice', 0)
bar.date = today
bar.time = d.get('barTime', '')
bar.datetime = datetime.strptime(bar.date + ' ' + bar.time,
'%Y%m%d %H:%M')
bar.volume = d.get('totalVolume', 0)
bar.openInterest = 0
except KeyError:
print(d)
flt = {'datetime': bar.datetime}
self.dbClient[MINUTE_DB_NAME][symbol].update_one(
flt, {'$set': bar.__dict__}, upsert=True)
print('%s下载完成' % symbol)
else:
print('找不到合约%s' % symbol)
def onBar(self, bar):
"""收到Bar推送（必须由用户继承实现）"""
# 如果当前是一个5分钟走完
if bar.datetime.minute % 5 == 0:
# 如果已经有聚合5分钟K线
if self.fiveBar:
# 将最新分钟的数据更新到目前5分钟线中
fiveBar = self.fiveBar
fiveBar.high = max(fiveBar.high, bar.high)
fiveBar.low = min(fiveBar.low, bar.low)
fiveBar.close = bar.close
# 推送5分钟线数据
self.onFiveBar(fiveBar)
# 清空5分钟线数据缓存
self.fiveBar = None
else:
# 如果没有缓存则新建
if not self.fiveBar:
fiveBar = VtBarData()
fiveBar.vtSymbol = bar.vtSymbol
fiveBar.symbol = bar.symbol
fiveBar.exchange = bar.exchange
fiveBar.open = bar.open
fiveBar.high = bar.high
fiveBar.low = bar.low
fiveBar.close = bar.close
fiveBar.date = bar.date
fiveBar.time = bar.time
fiveBar.datetime = bar.datetime
self.fiveBar = fiveBar
else:
fiveBar = self.fiveBar
fiveBar.high = max(fiveBar.high, bar.high)
fiveBar.low = min(fiveBar.low, bar.low)
fiveBar.close = bar.close
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('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 = VtBarData()
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('%s下载完成' % symbol)
else:
print('找不到合约%s' % symbol)