使用如下代码从TuShare下载沪深300每只股票的历史成交记录并按股票、日期保存到本地。主要是为了以后查询方便快速。
import numpy as np import pandas as pd import tushare as ts import datetime import time import tushare as ts import os data_dir = 'D:\\python_study\\stock_hist_data\\' #下载数据的存放路径 #ts.get_sz50s() #获取上证50成份股 返回值为DataFrame:code股票代码 name股票名称 cal_dates = ts.trade_cal() #返回交易所日历,类型为DataFrame, calendarDate isOpen #本地实现判断市场开市函数 @date: str类型日期 eg.'2017-11-23' def is_open_day(date): if date in cal_dates['calendarDate'].values: return cal_dates[cal_dates['calendarDate']==date].iat[0,1]==1 return False #从TuShare获取tick data数据并保存到本地 #@symbol: str类型股票代码 eg.600030 #@date: date类型日期 def get_save_tick_data(symbol, date): global sleep_time,data_dir res=True str_date=str(date) dir=data_dir+symbol+'\\'+str(date.year)+'\\'+str(date.month) file=dir+'\\'+symbol+'_'+str_date+'_tick_data.h5' if is_open_day(str_date): if not os.path.exists(dir): os.makedirs(dir) if not os.path.exists(file): try: d=ts.get_tick_data(symbol,str_date,pause=0.1) except IOError, msg: print str(msg).decode('UTF-8') sleep_time=min(sleep_time*2, 128)#每次下载失败后sleep_time翻倍,但是最大128s print 'Get tick data error: symbol: '+ symbol + ', date: '+str_date+', sleep time is: '+str(sleep_time) return res else: hdf5_file=pd.HDFStore(file, 'w',complevel=4, complib='blosc') hdf5_file['data']=d hdf5_file.close() sleep_time=max(sleep_time/2, 2) #每次成功下载后sleep_time变为一半,但是至少2s print "Successfully download and save file: "+file+', sleep time is: '+str(sleep_time) return res else: print "Data already downloaded before, skip " + file res=False return res #获取从起始日期到截止日期中间的的所有日期,前后都是封闭区间 def get_date_list(begin_date, end_date): date_list = [] while begin_date <= end_date: #date_str = str(begin_date) date_list.append(begin_date) begin_date += datetime.timedelta(days=1) return date_list #获取感兴趣的所有股票信息,这里只获取沪深300股票 def get_all_stock_id(): stock_info=ts.get_hs300s() return stock_info['code'].values #从TuShare下载感兴趣的所有股票的历史成交数据,并保存到本地HDF5压缩文件 #dates=get_date_list(datetime.date(2017,11,6), datetime.date(2017,11,12)) dates=get_date_list(datetime.date(2017,10,30), datetime.date(2017,11,4)) stocks=get_all_stock_id() for stock in stocks: for date in dates: if get_save_tick_data(stock, date): time.sleep(sleep_time)
因为TuShare并没有提供1分钟线的信息,所以需要根据下载到的每日成交信息生成1分钟线信息。
代码如下: 其实就是不用for和列,直接 newdf = df.resample ... 保存列头一致就好了
#根据分笔成交数据生成1分钟线 #根据分笔成交数据生成1分钟线 def gen_min_line(symbol, date): global data_dir str_date=str(date) dir=data_dir+symbol+'\\'+str(date.year)+'\\'+str(date.month) tickfile=dir+'\\'+symbol+'_'+str_date+'_tick_data.h5' minfile=dir+'\\'+symbol+'_'+str_date+'_1min_data.h5' if (os.path.exists(tickfile)) and (not os.path.exists(minfile)): hdf5_file=pd.HDFStore(tickfile, 'r') df=hdf5_file['data'] hdf5_file.close() print "Successfully read tick file: "+tickfile if df.shape[0]<10: #TuShare即便在停牌期间也会返回tick data,并且只有三行错误的数据,这里利用行数小于10把那些unexpected tickdata数据排除掉 print "No tick data read from tick file, skip generating 1min line" return 0 df['time']=str_date+' '+df['time'] df['time']=pd.to_datetime(df['time']) df=df.set_index('time') price_df=df['price'].resample('1min').ohlc() price_df=price_df.dropna() vols=df['volume'].resample('1min').sum() vols=vols.dropna() vol_df=pd.DataFrame(vols,columns=['volume']) amounts=df['amount'].resample('1min').sum() amounts=amounts.dropna() amount_df=pd.DataFrame(amounts,columns=['amount']) newdf=price_df.merge(vol_df, left_index=True, right_index=True).merge(amount_df, left_index=True, right_index=True) hdf5_file2=pd.HDFStore(minfile, 'w') hdf5_file2['data']=newdf hdf5_file2.close() print "Successfully write to minute file: "+minfile dates=get_date_list(datetime.date(2017,8,1), datetime.date(2017,11,12)) stocks=get_all_stock_id() for stock in stocks: for date in dates: gen_min_line(stock, date)
refer to:https://blog.csdn.net/wqfhenanxc/article/details/78525730