[gdal-dev] Python bindings: aliasing gdal.Open and gdal.OpenEx

[Even Rouault]

Hi Vincent,

Positive feedback is also appreciated :-)

Even

Le 19/06/2026 à 10:13, Vincent Schut via gdal-dev a écrit :
> On 2026-06-17 1:49 pm, Even Rouault via gdal-dev wrote:
>> Hi,
>>
>> I'd like to have a broader feedback of the community on 
>> https://github.com/OSGeo/gdal/pull/14763 . Please read it in detail. 
>> In practice, the main backwards incompatibility would be the point 1 
>> I mention in the PR text, that is that for current users of 
>> gdal.Open(dsname), they would now get vector datasets opened in 
>> addition to raster ones. While I see this is as a long term benefit, 
>> at least one user (https://github.com/ubarsc/rios/pull/192) had to 
>> work around it since they expected gdal.Open() to fail on vector 
>> datasets. The workaround being to use gdal.OpenEx(dsname, 
>> gdal.OF_RASTER) that will work before and after the PR,  or if 
>> targeting only post PR state, gdal.Open(dsname, gdal.OF_RASTER)
>>
>> PR 14763 would be potential material for a GDAL 4 if that did occur, 
>> but I don't know if it is desirable and even if it was, I don't think 
>> it would happen in a short or medium term (mostly because the GDAL 
>> dev community is too small to be able to gather a significant set of 
>> backwards incompatible change in a reasonable period of time, while 
>> not blocking features to be released at a reasonable frequency). So 
>> we're more in a situation where we land a few backwards incompatible 
>> change each (non bugfix) release.
>>
>> Even
>>
> Hi Even,
>
> (I doubted whether to reply because it was a bit unclear to me if you 
> only wanted people with concerns to reply, or also people who don't 
> see any issue with the proposed change.)
>
> We (as quite heavy users of gdal in our internal python software) do 
> not see any issues with this proposal for us, and would in fact 
> welcome this change because it will reduce ambiguity between the 2 
> possible ways to open raster datasets.
>
> Thanks for asking feedback,
> Vincent.
> -- 
>
> 	
>
> Vincent Schut
>
> Remote Sensing Software Engineer
>
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