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From: Oscar Benjamin <oscar.j.benjamin@gmail.com>
Date: Thu, 11 Apr 2013 10:47:43 +0100
Subject: Re: performance of script to write very long lines of random chars
To: "Steven D'Aprano" <steve+comp.lang.python@pearwood.info>
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Xref: csiph.com comp.lang.python:43344

On 11 April 2013 08:47, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:

> One thing to be aware of: urandom may run out of entropy, and then it
> will slow down a lot. If you don't care about cryptographic randomness,
> you could use this instead:

Reading this I'm realising that I don't really know what os.urandom
is. How exactly is it generating random numbers and what do you mean
by it running out of entropy?


Oscar