Python urllib/Requests下载文件失败，但浏览器下载失败

织梦狗教程 Python问题

2022-01-01

python urllib / requests fails to download file but browser does(Python urllib/Requests下载文件失败，但浏览器下载失败)

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问题描述

我正在尝试下载此zip file。该压缩文件可通过Chrome正确下载，但使用请求或urllib失败，出现错误400 Bad Request。

>> import requests
>> import urllib

>> url = 'http://prd-enforce-xfr-02.dol.gov/../data_catalog/EBSA/ebsa_ocats_20150703.csv.zip'
>> r = requests.get(url)
>> r.ok
False
>> r.headers
{'content-length': '254', 'content-encoding': 'gzip', 'vary': 'Accept-Encoding', 'server': 'Apache/2.2.14 (Ubuntu)', 'connection': 'close', 'date': 'Tue, 07 Jul 2015 20:39:55 GMT', 'content-type': 'text/html; charset=iso-8859-1'}
>> r
<Response [400]>
>> r.text
u'<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
</p>
<hr>
<address>Apache/2.2.14 (Ubuntu) Server at prd-enforce-xfr-02.dol.gov Port 80</address>
</body></html>
'

>> z = urllib.urlopen(url)
>> z.read()
'<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
</p>
<hr>
<address>Apache/2.2.14 (Ubuntu) Server at prd-enforce-xfr-02.dol.gov Port 80</address>
</body></html>
'

我尝试过的事情(失败了)：