Python urllib.request.urlopen() only return when given 'timeout' parameter, otherwise freeze forever

Question

I'd encountered a strange problem when using urllib.request.urlopen function. When I call the function without given the timeout parameter, it just freeze forever (or really really long time), but once I provide the timeout parameter, eg. timeout = 1, the function just return exactly after the interval of timeout without any problem.

As shown in the gif below. (I was using Ipython prompt)

Bi Ao · Accepted Answer · 2020-05-09 08:01:49Z

1

Well, I found that is an IPv6 problem, after disabled it, everything became fine back.

answered May 9, 2020 at 8:01

Bi Ao

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