python urllib2 如何优化下载速度？

Question

用 urllib2 下载一个网络文件，速度不是很快， 50MB带宽，只能用到800KB左右，如何下载第三方的文件进行一些提速的优化操作呢？

Answer 1

$brew update #routine
$brew install aria2 #Install
$aria2c -i urlist.txt (similar to wget)

Answer 2

Everyone saidurllib2慢，建议用urllib3，你可以试试看，从文档上也没看出来单文件下载和urllib2what advantages it has.

Or split the file, download multiple segments in parallel, and then merge them again?

Answer 3

How many files can be downloaded at one time? If there are more, you can use multi-threading or multi-process.