[cctbxbb] Backwards compatibility; Python 2.3?

Graeme.Winter at diamond.ac.uk Graeme.Winter at diamond.ac.uk
Fri Jun 9 05:54:28 PDT 2017


I already use OrderedDict from collections for a start, we use "with" statement, multiprocessing, ...

Also, seriously unless we have a very good reason forcing developers to remain a decade behind the game is just silly...

I just seek ${very good reason} which remains valid in 2017

Cheers Graeme

-----Original Message-----
From: cctbxbb-bounces at phenix-online.org [mailto:cctbxbb-bounces at phenix-online.org] On Behalf Of richard.gildea at diamond.ac.uk
Sent: 09 June 2017 13:46
To: cctbxbb at phenix-online.org
Subject: Re: [cctbxbb] Backwards compatibility; Python 2.3?

Another way of asking the question: what specific Python 2.6 and/or 2.7 features could/would we use that we currently can't due to the restriction of supporting Python 2.5?

Cheers,

Richard

Dr Richard Gildea
Data Analysis Scientist
Tel: +441235 77 8078

Diamond Light Source Ltd.
Diamond House
Harwell Science & Innovation Campus
Didcot
Oxfordshire
OX11 0DE

________________________________________
From: cctbxbb-bounces at phenix-online.org [cctbxbb-bounces at phenix-online.org] on behalf of Graeme.Winter at diamond.ac.uk [Graeme.Winter at diamond.ac.uk]
Sent: 09 June 2017 13:43
To: cctbxbb at phenix-online.org
Subject: Re: [cctbxbb] Backwards compatibility; Python 2.3?

Folks,

Does *anyone* actually use Python < 2.7 with CCTBX for anything other than kicking off bootstrap?

If not, then we could relax this back to using Python 2.7+ (which is a spritely 7 years old already)

Thanks Graeme

-----Original Message-----
From: cctbxbb-bounces at phenix-online.org [mailto:cctbxbb-bounces at phenix-online.org] On Behalf Of Nicholas Devenish
Sent: 08 June 2017 09:00
To: cctbx mailing list
Subject: Re: [cctbxbb] Backwards compatibility; Python 2.3?

On Wed, Jun 7, 2017 at 12:26 PM, Marcin Wojdyr <wojdyr at gmail.com> wrote:
> It makes sense to repeat this kind of question from time to time. At 
> some point Python 2.5 won't be needed anymore.

So, the whole codebase supports 2.5, or just the bootstrapping part?
As far as I know, bootstrapping (and thus via 2.7) is the only documented way of installing? Are there any opportunities to switch over to bootstrapped python earlier in the process?

If it is the whole package, are there any automated tests with 2.5?
(If not, do we know that it's all still 2.5 compatible?)

Nick
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