Python pandas read_csv on dynamic URL提供EmptyDataError:没有要从文件解析的列
我正在从“PythonforFinance”学习Python,使用的包已经过时了。请帮助我解决以下错误: 它显示EmptyDataError:没有要从文件中解析的列Python pandas read_csv on dynamic URL提供EmptyDataError:没有要从文件解析的列,python,python-3.x,pandas,urllib3,pandas-datareader,Python,Python 3.x,Pandas,Urllib3,Pandas Datareader,我正在从“PythonforFinance”学习Python,使用的包已经过时了。请帮助我解决以下错误: 它显示EmptyDataError:没有要从文件中解析的列 import pandas as pd url1 = 'http://hopey.netfonds.no/posdump.php?' url2 = 'date=%s%s%s&paper=AAPL.O&csv_format=csv' url = url1 + url2 year = '2017' month = '1
import pandas as pd
url1 = 'http://hopey.netfonds.no/posdump.php?'
url2 = 'date=%s%s%s&paper=AAPL.O&csv_format=csv'
url = url1 + url2
year = '2017'
month = '11'
days = ['9']
AAPL = pd.DataFrame()
for day in days:
AAPL = AAPL.append(pd.read_csv(url % (year, month, day),
index_col=0, header=0, parse_dates=True))
AAPL.columns = ['bid', 'bdepth', 'bdeptht','offer', 'odepth', 'odeptht']
错误:
EmptyDataError: No columns to parse from file
此错误是由熊猫问题引起的
posdump.php
脚本将发送HTTP响应,如下所示:filename tests.csv
的附件发送
请求
模块以字符串形式获取内容,然后使用以下命令读入:EmptyDataError
应该给您一个提示-数据是空的。您是否尝试从生成的链接下载CSV文件?我知道我无法下载
HTTP/1.1 200 OK
Date: Tue, 22 May 2018 01:18:42 GMT
Server: Apache/2.4.7 (Ubuntu)
X-Powered-By: PHP/5.5.9-1ubuntu4.25
Content-Disposition: attachment; filename=exams.csv
Pragma: no-cache
Expires: 0
Content-Type: text/csv
from io import StringIO
import pandas as pd
import requests
url = 'https://raw.githubusercontent.com/cs109/2014_data/master/countries.csv'
s = requests.get(url).text
c = pd.read_csv(StringIO(s))