[cctbxbb] Python 2.4 compatibility

David Waterman dgwaterman at gmail.com
Thu Sep 15 04:34:54 PDT 2016

Hi Richard,

According to Nat on 15th October 2012, CCTBX officially stopped supporting
Python 2.4. Here's the text of his message:

FYI for those of you who didn't get my original email: the minimum
> Python version required for CCTBX is now 2.5, so for anyone
> contributing to CCTBX, you can now use more advanced syntax such as
> "with" and "try/except/else/finally" (and decorators, which were
> already supported in 2.4, but we haven't used them so far).  Full list
> of changes in 2.5 here:
> http://docs.python.org/whatsnew/2.5.html
> -Nat


-- David

On 15 September 2016 at 12:22, <richard.gildea at diamond.ac.uk> wrote:

> This commit uses the "with" statement, which was introduced in Python 2.5,
> to libtbx/__init__.py, preventing installation of DIALS from sources on
> systems with Python 2.4:
> https://sourceforge.net/p/cctbx/code/25101/
> Could this code be changed to remove the use of the "with" statement?
> 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
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