[英]How to get the yahoo finance csv directly into python
有人知道如何将Yahoo Finance CSV直接导入python吗?
问题是当我尝试通过此(示例)链接获取数据时:
http://real-chart.finance.yahoo.com/table.csv?s=WU&a=4&b=20&c=2015&d=05&e=21&f=2016&g=d&ignore=.csv'
它给出一个弹出窗口,询问我是否要下载csv文件。 当我尝试将其读入python时,这会导致bugg。 我的脚本是:
today = datetime.date.today()
def get_url(stock='GOOG', START_date = str(int(str(today).split('-')[0])-1)+
'-' +str(int(str(today).split('-')[1])-1) + ('-') +
str(int(str(today).split('-')[2])-1), END_date= str(today)):
baseurl = 'http://real-chart.finance.yahoo.com/table.csv?'
stock = 's=WU'
FROM_date = ('&a=' + START_date.split('-')[1] + '&b=' +
START_date.split('-')[2] + '&c=' +
START_date.split('-')[0])
TO_date = ('&d=' + END_date.split('-')[1] + '&e=' +
END_date.split('-')[2] + '&f=' + END_date.split('-')[0])
url = baseurl + stock + FROM_date + TO_date + '&g=d&ignore=.csv'
return url
rawdate = []
with open(get_url()) as csvfile:
reader = csv.reader(csvfile, delimiter = ",")
for row in reader:
rawdata.append(row)
如果我先下载csv,我可以将其读入python,但是我想直接访问csv文件,而不必先下载它。 这可能吗? 或者将csv作为temp。
谢谢!
我建议您使用熊猫。 这是一个链接 。
import pandas.io.data as web
import datetime
start = datetime.datetime(2010, 1, 1)
end = datetime.datetime(2013, 1, 27)
f = web.DataReader("F", 'yahoo', start, end)
f.ix['2010-01-04']
出[6]:打开1.017000e + 01
高1.028000e + 01
低1.005000e + 01
关闭1.028000e + 01
音量6.085580e + 07
调整关闭8.755953e + 00名称:2010-01-04 00:00:00,dtype:float64
尝试这种方式。
in this file "C:/Users/your_path/Desktop/symbols/tickers.txt"
you have the following tickers
ibm
sbux
msft
"""
import urllib
import re
import json
symbolslist = open("C:/Users/rshuell001/Desktop/symbols/tickers.txt").read()
symbolslist = symbolslist.split("\n")
for symbol in symbolslist:
myfile = open("C:/Users/rshuell001/Desktop/symbols/" +symbol +".txt", "w+")
myfile.close()
htmltext = urllib.urlopen("http://www.bloomberg.com/markets/chart/data/1D/"+ symbol+ ":US")
data = json.load(htmltext)
datapoints = data["data_values"]
myfile = open("C:/Users/rshuell001/Desktop/symbols/" +symbol +".txt", "a")
for point in datapoints:
myfile.write(str(symbol+","+str(point[0])+","+str(point[1])+"\n"))
myfile.close()
那应该给你你想要的。
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