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如何利用python读取csv中url并下载？
import urllib2 import pandas as pd import os
导入pandas库读取csv文件
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data = pd.read_csv('train_attrs(2).csv')
data.head()
| id | img_url | xml_url | |
|---|---|---|---|
| 0 | 2 | https://img1.ytgrading.com/sample/attr/2017/12/… | https://img1.ytgrading.com/sample/attr/2017/12/… |
| 1 | 3 | https://img1.ytgrading.com/sample/attr/2017/12/… | https://img1.ytgrading.com/sample/attr/2017/12/… |
| 2 | 4 | https://img1.ytgrading.com/sample/attr/2017/12/… | https://img1.ytgrading.com/sample/attr/2017/12/… |
| 3 | 5 | https://img1.ytgrading.com/sample/attr/2017/12/… | https://img1.ytgrading.com/sample/attr/2017/12/… |
| 4 | 6 | https://img1.ytgrading.com/sample/attr/2017/12/… | https://img1.ytgrading.com/sample/attr/2017/12/… |
data.iloc[1]
id 3 img_url https://img1.ytgrading.com/sample/attr/2017/12/... xml_url https://img1.ytgrading.com/sample/attr/2017/12/... Name: 1, dtype: object
导入urllib2.urlopen下载jpg文件以及xml文件
for i in range(data.shape[0]):
id1, pic, xml = data.iloc[i]
f = urllib2.urlopen(pic)
da = f.read()
with open('./pic/{0}.jpg'.format(id1), 'wb') as code:
code.write(da)
f = urllib2.urlopen(xml)
da = f.read()
with open('./xml/{0}.xml'.format(id1), 'wb') as code:
code.write(da)
if i % 100 == 0:
print i
0 100 200 300
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