回复: how to download special range content with requests in python?

水静流深 1248283536 at qq.com
Thu Jul 24 05:21:34 CEST 2014


i want to write a multiple threads download program to practice my  MT knowledge, 
1)cut the big iso file into 20 parts
2)start 20 process with threading and queue module to download
3)combine the 20 parts into one iso file.

if i have cut it into 20 parts ,how can i download the first part of it ?

it is target to practice the threading and queue module .  ‍


------------------ 原始邮件 ------------------
发件人: "Chris Angelico";<rosuav at gmail.com>;
发送时间: 2014年7月23日(星期三) 晚上11:58
收件人: 
抄送: "python-list"<python-list at python.org>; 
主题: Re: how to download special range content with requests in python?



On Wed, Jul 23, 2014 at 7:44 PM, 水静流深 <1248283536 at qq.com> wrote:
> url='http://debian.cites.illinois.edu/pub/debian-cd/7.6.0/amd64/iso-cd/debian-7.6.0-amd64-CD-1.iso'
> import requests
> r = requests.get(url).read(0,1000)  ‍
>
> why i can not download special range(from 0 to 10000)  content with requests
> in python‍?

Looking into my crystal ball, I think you're trying to have this send
the Range header. If that's the case, then there's no way you can do
that with the read() method; you have to incorporate that into the
original request, and then just read everything the server sends you.

If that's not what you're talking about, please explain further,
preferably demonstrating what you want to happen at the HTTP level.

ChrisA
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