[gdal-dev] Fwd: Missing _gdal_array.py, fail to import in Ubuntu 18.04

[Even Rouault]

Imanol,

it is likely you need also to install the python-numpy package. The 
gdal_array.py extension used by ReadAsArray() is only built if numpy is 
available when the bindings are built.

Even

> Dear all,
> 
> I have been struggling with these for some days. Usually I always build
> from source GDAL, it tends to give me better results than install packages.
> 
> But this time no, I have tried with `./configure', `./configure
> --with-python' and `./configure --with-python=python3.6'. It seems to
> compile and work, until I do `ReadAsArray()`, when it complains about the
> missing `_gdal_array.py`. I tried to compile also numpy from source.
> 
> I don't write only to ask for a solution, but also to try to understand
> what is this file since I can't find much info about it online.
> `gdal_array,py` exists, but don't know what the missing one contains.
> 
> Thank you


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