Just a comment: There are some grib files generated by SPRING that are not compatible with the GRIB driver. It might be a version issue GRIB1, GRIB2 or something. Ex.:

C:\Data\SpringDB\SP\SPaulo>gdalinfo I000355.grb
ERROR 4: `I000355.grb' not recognised as a supported file format.

gdalinfo failed - unable to open 'I000355.grb'.

Mateusz Loskot wrote:
Frank Peacock wrote:
Hello

I have a GRIB2 file called "a" which I have tested and is correct.  I use
the following code:

from osgeo import gdal
src_ds = gdal.Open("a")
print src_ds

The result of the print is None. I have also run a test with a tif file and it works correctly producing <osgeo.gdal.Dataset; proxy of <Swig Object of type 'GDALDatasetShadow *' at
0x14381b8> >

Can anyone help to explain why the GRIB2 file is not being read correctly.

Frank,

What version of GDAL do you use?
What does the following command return:

$ gdalinfo --formats | grep GRIB

Have you tried to open your dataset using gdalinfo?

Best regards,
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