t: Friday, November 4, 2016 8:22 AM
> To: openstack-dev@lists.openstack.org
> Subject: Re: [openstack-dev] [all][dev][python] constructing a
deterministic
> representation of a python data structure
>
>
>
> On 04/11/16 08:02 AM, Amrith Kumar wrote:
> > [Amrith Kumar] I wasn'
On 04/11/16 08:02 AM, Amrith Kumar wrote:
> [Amrith Kumar] I wasn't sure I'd be able to do this before (the only place
> where this model will work is in oslo.messaging) but thanks to the links
> that Dims forwarded, there may be a chance to make this part of oslo!
if you do this in
> -Original Message-
> From: Clint Byrum [mailto:cl...@fewbar.com]
> Sent: Thursday, November 3, 2016 6:04 PM
> To: openstack-dev <openstack-dev@lists.openstack.org>
> Subject: Re: [openstack-dev] [all][dev][python] constructing a
deterministic
> representation of
Excerpts from Amrith Kumar's message of 2016-11-03 20:50:01 +:
> Josh,
>
> I have the key management part figured out and in actuality I will be
> signing the messages.
>
> But step 1 is getting a deterministic representation and step 2 is hashing.
> Step 3 would be signing.
>
> So, steps
response to him on this.
>
> -amrith
>
> -Original Message-
> From: Davanum Srinivas [mailto:dava...@gmail.com]
> Sent: Thursday, November 3, 2016 3:03 PM
> To: OpenStack Development Mailing List (not for usage questions)
> <openstack-dev@lists.openstack.org>
> Subject: Re:
y, November 3, 2016 3:09 PM
To: openstack-dev@lists.openstack.org
<mailto:openstack-dev@lists.openstack.org>
Subject: Re: [openstack-dev] [all][dev][python] constructing a deterministic
representation of a python data structure
On 03/11/16 02:24 PM, Amrith Kumar wrote:
>
> So, jus
f you
> think that would pass muster there.
>
> -amrith
>
> -Original Message-
> From: gordon chung [mailto:g...@live.ca]
> Sent: Thursday, November 3, 2016 3:09 PM
> To: openstack-dev@lists.openstack.org
> Subject: Re: [openstack-dev] [all][dev][python] constructing a
> de
> To: openstack-dev@lists.openstack.org
> Subject: Re: [openstack-dev] [all][dev][python] constructing a
> deterministic
> representation of a python data structure
>
>
>
> On 03/11/16 02:24 PM, Amrith Kumar wrote:
>
> >
> > So, just before calling call() or
mber 3, 2016 3:09 PM
To: openstack-dev@lists.openstack.org
Subject: Re: [openstack-dev] [all][dev][python] constructing a deterministic
representation of a python data structure
On 03/11/16 02:24 PM, Amrith Kumar wrote:
So, just before calling call() or cast(), I could compute the hash and
s
that would pass muster there.
-amrith
-Original Message-
From: gordon chung [mailto:g...@live.ca]
Sent: Thursday, November 3, 2016 3:09 PM
To: openstack-dev@lists.openstack.org
Subject: Re: [openstack-dev] [all][dev][python] constructing a deterministic
representation of a python data structure
[mailto:dava...@gmail.com]
Sent: Thursday, November 3, 2016 3:03 PM
To: OpenStack Development Mailing List (not for usage questions)
<openstack-dev@lists.openstack.org>
Subject: Re: [openstack-dev] [all][dev][python] constructing a deterministic
representation of a python data structure
On 03/11/16 02:24 PM, Amrith Kumar wrote:
>
> So, just before calling call() or cast(), I could compute the hash and
> stuff it into the dictionary that is being sent over, and I can do the
> same on the receiving side. But since I cannot guarantee that the
> representation on the receiving
Does oslo.versionedobjects solve some of your needs?
http://www.slideshare.net/davanum/ovo-deep-dive
https://gorka.eguileor.com/learning-something-new-about-oslo-versioned-objects/
http://www.danplanet.com/blog/2015/10/06/upgrades-in-nova-objects/
-- Dims
On Thu, Nov 3, 2016 at 2:24 PM, Amrith
TL;DR
I want to take a python data structure (see later for details) and represent
it in a format that will be stable across python versions, and platforms so
that I can construct a stable hash. I'm looking for pointers to some best
practices on how to do this.
The longer version
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