[QGIS-Developer] FeatureIterator Python question

[Matthias Kuhn]

Hi Andreas,

that hasn't been a QGIS decision but a python3 one.

next(featureIterator) is the way proposed for python3. I am not sure
about the reasons for this change though.

Matthias

On 09/15/2017 03:40 PM, Andreas Neumann wrote:
> Hi,
> 
> Found out that I can access my first feature like:
> 
> feature = list(FeatureIterator)[0]
> 
> but not sure if this is recommended and efficient.
> 
> Why was the next() method of the feature iterator removed in QGIS 3? Is
> there a particular reason for that?
> 
> Thanks,
> 
> Andreas
> 
> 
> On 15.09.2017 14:43, Andreas Neumann wrote:
>> Hi,
>>
>> While porting a project from QGIS 2x to 3x I came across a Python issue:
>>
>> In QGIS 2.x I had a code like below working:
>>
>> feature = FeatureIterator.next()
>>
>> In QGIS 3x it says that object has no attribut next.
>>
>> How do I access the first result of a feature iterator in QGIS 3?
>>
>> I don't want to loop, because I know that my FeatureIterator always
>> has just one result. I just want to access this first feature.
>>
>> Thanks for your help,
>>
>> Andreas
>>
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