[gdal-dev] cannot write to gdal_array

[Jon Morris]

Hello all,

I'm trying to upgrade from GDAL 2.2.0 to 3.0.4 and some of our tests are failing. We're using gdal_array.OpenArray() to create temporary datasets and all the tests where we call band.WriteArray() are failing with the error "CPLError: Write operation not permitted on dataset opened in read-only mode."

I can't see any way to open a gdal_array in update mode, so is this a change in behaviour between 2.2 and 3.0? Should we be able to write to these datasets, or should I change the failing tests to use the MEM driver instead?

Thanks,

Jon

Jon Morris
Software Developer

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