[Python-Dev] BDFL ruling request: should we block forever waiting for high-quality random bits?

David Mertz mertz at gnosis.cx
Fri Jun 10 14:43:51 EDT 2016

My hypothetical is "Ensure good random bits (on Python 3.5.2 and Linux),
and block rather than allow bad bits."

I'm not quite sure I understand all of your question, Donald.  On Python
3.4—and by BDFL declaration on 3.5.2—os.urandom() *will not* block,
although it might on 3.5.1.

On Fri, Jun 10, 2016 at 11:33 AM, Donald Stufft <donald at stufft.io> wrote:

> On Jun 10, 2016, at 2:29 PM, David Mertz <mertz at gnosis.cx> wrote:
> If I *were* someone who needed to write a Linux system initialization
> script using Python 3.5.2, what would the code look like.  I think for this
> use case, requiring something with a little bit of "code smell" is fine,
> but I kinda hope it exists at all.
> Do you mean if os.urandom blocked and you wanted to call os.urandom from
> your boot script? Or if os.urandom doesn’t block and you wanted to ensure
> you got good random numbers on boot?
>> Donald Stufft

Keeping medicines from the bloodstreams of the sick; food
from the bellies of the hungry; books from the hands of the
uneducated; technology from the underdeveloped; and putting
advocates of freedom in prisons.  Intellectual property is
to the 21st century what the slave trade was to the 16th.
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