[PyQt] How to test sip version

[Phil Thompson]

On Tue, 11 Jun 2013 16:04:15 +0200, Sébastien Petitdemange
<sebastien.petitdemange at esrf.fr> wrote:
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> On 06/11/2013 03:31 PM, Phil Thompson wrote:
>> On Tue, 11 Jun 2013 14:42:55 +0200, Sébastien Petitdemange 
>> <sebastien.petitdemange at esrf.fr> wrote:
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>>> On 06/11/2013 10:27 AM, Phil Thompson wrote:
>>>> On Tue, 11 Jun 2013 10:04:31 +0200, Sébastien Petitdemange 
>>>> <sebastien.petitdemange at esrf.fr> wrote:
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>>>>> 
>>>>> Hi list,
>>>>> 
>>>>> I need to have sip file compatible with != sip version
>>>>> (starting at
>>>> 4.10)
>>>>> What is the best way to archive that?
>>>> 
>>>> If you are talking about SIP directives, ie. you want to use
>>>> %If, and
>> you
>>>> need to support versions as old as that, then you need to
>>>> implement something yourself. You could define a %Timeline for
>>>> the SIP versions
>> and
>>>> pass the right -t argument to sip after you have detected which
>>>> version if sip you are using.
>>>> 
>>>> Starting with SIP v4.12 this is done for you.
>>>> 
>>>> Phil
>>>> 
>>> Hi Phil,
>>> 
>>> Thanks for your quick reply.
>>> 
>>> So if my sip file are compatible with directives of sip v4.12,
>>> they will stay compatible with sip version >= v4.12. Is that
>>> correct or I misunderstood?
>> 
>> That's correct, but it's true of any version - sip tries to
>> maintain backwards compatibility.
>> 
>> Phil
>> 
> 
> 
> Hi Phil,
> 
> I completely agree with you. I know that you always try to keep
> backward compatibility.
> 
> You said in the previous email:
> "Starting with SIP v4.12 this is done for you"
> 
> Apparently, I misunderstood your remark. What is done for me?

The creation of a timeline corresponding to the different SIP versions so
that you can just do...

%If (SIP_4_13_1 - SIP_4_14_2)

...see the %Timeline documentation.

Phil