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Is there a difference between the python-binaries with the gdal-core-setup and the libraries within the zip-files?

I used the zip-files due to the rights-management on my desktop-computer.

But please read for yourself:

I use following setup: Python 2.7.10, 32bit, compiled with MSCV 1500; Windows 7 64 enter image description here

According to this I downloaded the following zip-file from gisinternals.com:

release-1500-gdal-2-1-2-mapserver-7-0-2.zip

I unzipped it and set all the environment variables according to Mr Szekeres' description:

SET "PATH=%SDK_ROOT%bin;%SDK_ROOT%bin\gdal\python\osgeo;%SDK_ROOT%bin\proj\apps;%SDK_ROOT%bin\gdal\apps;%SDK_ROOT%bin\ms\apps;%SDK_ROOT%bin\gdal\csharp;%SDK_ROOT%bin\ms\csharp;%SDK_ROOT%bin\curl;%PATH%"
SET "GDAL_DATA=%SDK_ROOT%bin\gdal-data"`
SET "GDAL_DRIVER_PATH=%SDK_ROOT%bin\gdal\plugins"
SET "PYTHONPATH=%SDK_ROOT%bin\gdal\python;%SDK_ROOT%bin\ms\python"
SET "PROJ_LIB=%SDK_ROOT%bin\proj\SHARE"

Please note, that %SDK_ROOT% is C:\Python27\GDAL in my environment

With this setup, Iam able to successfully run ogr/gdal-commands via windows-cmd, f.e.: enter image description here

Unfortunately I cannot use the tools within python: enter image description here

I had a look into the mentioned __init_.py file within the osgeo-python-bindings. There I checked, that the imp.find_module()-function is able to find the given '_gdal'-module and delivers back file, pathname and description as stated in the python docs

But when calling the the imp.load_module with this parameters the error occurs. It doesn't matter if I start python via cmd or via Idle.

Any idea what could be still wrong?

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So I finally found a workaround:

After unzipping and hardwiring the the matching release-1500-gdal-2-1-2-mapserver-7-0-2.zip as described above I additionally installed the following file from gisinternals.com as well:

GDAL-2.1.2.win32-py2.7.msi

These are additional Python-bindings for GDAL and luckily the installation process didn't required any administrative rights.

After the installation I had the bindings installed twice and had to make sure, python is looking only for the new ones, I just installed.

So either delete %SDK_ROOT%bin\gdal\python;%SDK_ROOT%bin\ms\python from PYTHONPATH-variable or just delete/rename the __init__.py file in this paths.

The new bindings seem to match the versions better and python is now ready to to run with gdal/ogr:enter image description here

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