Packages must work without internet access; We poison cache environment 
variables to prevent accidental internet access.


On Sunday, January 14, 2018 at 12:13:21 AM UTC+1, Simon King wrote:
>
> Hi! 
>
> In my group cohomology package, I have a couple of tests that require 
> internet access (namely access to some data base). The tests work 
> in an interactive session, and they also work if I do them in a sage 
> shell using "sage -t --force_lib". My spkg-check script is also just 
> doing "sage -t --force_lib". 
>
> However, during installation of the package, the underlying call to 
> urllib2.urlopen fails: 
>    URLError: <urlopen error [Errno 110] Connection timed out> 
>
> What is the reason? Is web access blocked during package installation? 
> How to enable it? 
>
> Best regards, 
> Simon 
>
>

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