vnpy/examples/RQData/dataService.py
2018-12-16 15:28:36 +08:00

124 lines
3.5 KiB
Python

# encoding: UTF-8
from __future__ import print_function
import sys
import json
from datetime import datetime
from time import time, sleep
from pymongo import MongoClient, ASCENDING
from vnpy.trader.vtObject import VtBarData
from vnpy.trader.app.ctaStrategy.ctaBase import MINUTE_DB_NAME, DAILY_DB_NAME
import rqdatac as rq
# 加载配置
config = open('config.json')
setting = json.load(config)
MONGO_HOST = setting['MONGO_HOST']
MONGO_PORT = setting['MONGO_PORT']
SYMBOLS = setting['SYMBOLS']
mc = MongoClient(MONGO_HOST, MONGO_PORT) # Mongo连接
db = mc[MINUTE_DB_NAME] # 数据库
db2 = mc[DAILY_DB_NAME]
USERNAME = setting['USERNAME']
PASSWORD = setting['PASSWORD']
rq.init(USERNAME, PASSWORD)
FIELDS = ['open', 'high', 'low', 'close', 'volume']
#----------------------------------------------------------------------
def generateVtBar(row, symbol):
"""生成K线"""
bar = VtBarData()
bar.symbol = symbol
bar.vtSymbol = symbol
bar.open = row['open']
bar.high = row['high']
bar.low = row['low']
bar.close = row['close']
bar.volume = row['volume']
bar.datetime = row.name
bar.date = bar.datetime.strftime("%Y%m%d")
bar.time = bar.datetime.strftime("%H:%M:%S")
return bar
#----------------------------------------------------------------------
def downloadMinuteBarBySymbol(symbol):
"""下载某一合约的分钟线数据"""
start = time()
cl = db[symbol]
cl.ensure_index([('datetime', ASCENDING)], unique=True) # 添加索引
df = rq.get_price(symbol, frequency='1m', fields=FIELDS)
for ix, row in df.iterrows():
bar = generateVtBar(row, symbol)
d = bar.__dict__
flt = {'datetime': bar.datetime}
cl.replace_one(flt, d, True)
end = time()
cost = (end - start) * 1000
print(u'合约%s数据下载完成%s - %s,耗时%s毫秒' %(symbol, df.index[0], df.index[-1], cost))
#----------------------------------------------------------------------
def downloadDailyBarBySymbol(symbol):
"""下载某一合约日线数据"""
start = time()
cl = db2[symbol]
cl.ensure_index([('datetime', ASCENDING)], unique=True) # 添加索引
df = rq.get_price(symbol, frequency='1d', fields=FIELDS, end_date=datetime.now().strftime('%Y%m%d'))
for ix, row in df.iterrows():
bar = generateVtBar(row, symbol)
d = bar.__dict__
flt = {'datetime': bar.datetime}
cl.replace_one(flt, d, True)
end = time()
cost = (end - start) * 1000
print(u'合约%s数据下载完成%s - %s,耗时%s毫秒' %(symbol, df.index[0], df.index[-1], cost))
#----------------------------------------------------------------------
def downloadAllMinuteBar():
"""下载所有配置中的合约的分钟线数据"""
print('-' * 50)
print(u'开始下载合约分钟线数据')
print('-' * 50)
# 添加下载任务
for symbol in SYMBOLS:
downloadMinuteBarBySymbol(str(symbol))
print('-' * 50)
print(u'合约分钟线数据下载完成')
print('-' * 50)
#----------------------------------------------------------------------
def downloadAllDailyBar():
"""下载所有配置中的合约的日数据"""
print('-' * 50)
print(u'开始下载合约日线数据')
print('-' * 50)
# 添加下载任务
for symbol in SYMBOLS:
downloadDailyBarBySymbol(str(symbol))
print('-' * 50)
print(u'合约日线数据下载完成')
print('-' * 50)