Hi Joseph,

> On Mon, 8 Nov 2021, Lukasz Majewski wrote:
> 
> > The 'distro' module is the most elegant (and pythonic) way to get
> > the info about running OS.  
> 
> Florian's suggestion of checking for specific programs, so staying 
> completely independent of the running OS and its version and of
> whether those programs are provided by the OS or not, seems much
> better to me.

Ok.

> 
> > > Why is dnsutils needed?  
> 
> >   File "/usr/lib/python3.7/socket.py", line 748, in getaddrinfo
> >     for res in _socket.getaddrinfo(host, port, family, type, proto,
> > flags): socket.gaierror: [Errno -2] Name or service not known  
> 
> That doesn't answer my question, since getaddrinfo (implemented using
> the C library function of that name, presumably) shouldn't be using
> any of the programs in dnsutils "Transitional package for
> bind9-dnsutils".  "Can do working DNS client lookups from library
> code" is not the same as "has certain executables installed that a
> user might use from the command line to look things up in the DNS".
> 
> If you want to check for working DNS lookups / network access from
> library code, then trying to look up www.gnu.org seems a better
> approach than checking for any installed programs.
> 

Sorry, but I cannot follow your question/explanation above.

The issue is that - without having dnsutils, when trying to run
build-many-glibcs.py the pasted error shows up.

After installing dnsutils (on debian 10) the problem on my setup/machine
is fixed.


Best regards,

Lukasz Majewski

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