Real-world use of concurrent.futures

[Marko Rauhamaa]

Chris Angelico <rosuav at gmail.com>:

> Before you go too far down roads that are starting to look
> problematic: A DNS lookup is a UDP packet out and a UDP packet in
> (ignoring the possibility of TCP queries, which you probably won't be
> doing here). Maybe it would be easier to implement it as asynchronous
> networking? I don't know that Python makes it easy for you to
> construct DNS requests and parse DNS responses;

That's what I ended up doing when I wrote my home SMTP server.

It's more tedious than difficult. You don't need to have a ready-made
module for everything. An RFC and two hands take you far.


Marko