[Qgis-developer] (First?) API break

[Andreas Neumann]

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Thanks Anne,

This sounds like a plan.

Andreas

On 12/11/2011 06:12 PM, Anne Ghisla wrote:
> On Sun, 11 Dec 2011 15:26:55 +0100 Andreas Neumann
> <a.neumann at carto.net> wrote:
> 
>> in javascript there is try and catch for such problems. Ore one
>> could test if an object/method/property is present. There are a
>> lot of browser differencies - so in a web environment it is quite
>> normal to test for capabilities.
>> 
>> How can one check if an object/method is present in Python?
> 
> Hello Andreas, all,
> 
> the check can be done during import:
> 
> """ try: from qgis.core import newFunctionName as function except: 
> from qgis.core import oldFunctionName as function """
> 
> so that you can use "function" anywhere in the code without
> further checks. To keep the import code short, only the previous
> version of the API is tested. If a plugin developer wants to extend
> support to even older versions, I would recommend to create a
> separate "LTS" version. What do you think?
> 
> Anne
> 
> 
> 
> _______________________________________________ Qgis-developer
> mailing list Qgis-developer at lists.osgeo.org 
> http://lists.osgeo.org/mailman/listinfo/qgis-developer

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