[gdal-dev] Problem importing osgeo module in Python

[Roger André]

Thanks Mateusz, that did the trick, thanks.

# find /export -name "libgdal.so"
/export/lib/libgdal.so
# export LD_LIBRARY_PATH=/export/lib

# python
Python 2.3.4 (#1, Dec 11 2007, 05:28:55)
[GCC 3.4.6 20060404 (Red Hat 3.4.6-9)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path.append('/export/lib64/python2.3/site-packages')
>>> from osgeo import gdal

Roger
--


On Fri, Aug 8, 2008 at 9:50 AM, Mateusz Loskot <mateusz at loskot.net> wrote:

> Roger André wrote:
>
>> Hi everyone,
>>
>> I'm getting a new machine setup and have hit a snag with the GDAL
>> installation.  I've installed GDAL from source onto a CentOS box using the
>> gdal-1.5.2.tar.gz file, and with the following parameters:
>>
>> $ sudo ./configure --prefix=/export --with-pg=/export/bin/pg_config
>> --with-python
>> $ make
>> $ make install
>> $ which gdalinfo
>>    /export/bin/gdalinfo
>> --> Good!
>>
>> The problem comes when I try to import the osgeo module in Python.
>>
>> $ python
>> Python 2.3.4 (#1, Dec 11 2007, 05:28:55)
>> [GCC 3.4.6 20060404 (Red Hat 3.4.6-9)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>
>>> from osgeo import gdal
>>>>>
>>>> Traceback (most recent call last):
>>  File "<stdin>", line 1, in ?
>> ImportError: No module named osgeo
>> --> Not good.
>>
>> Looking back through the make output, I see that the osgeo modules are
>> being
>> created and copied:
>>    copying build/lib.linux-x86_64-2.3/osgeo/gdal.py ->
>> /export/lib64/python2.3/site-packages/osgeo
>>
>> So I tried appending the location to the sys.path in Python to make the
>> modules available, but am only partially succesful with that:
>> [root at randre-linux ~]# python
>> Python 2.3.4 (#1, Dec 11 2007, 05:28:55)
>> [GCC 3.4.6 20060404 (Red Hat 3.4.6-9)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>
>>> import sys
>>>>> sys.path.append('/export/lib64/python2.3/site-packages/')
>>>>> import osgeo
>>>>>
>>>> --> Good!
>>
>>  from osgeo import gdal
>>>>>
>>>> Traceback (most recent call last):
>>  File "<stdin>", line 1, in ?
>>  File "/export/lib64/python2.3/site-packages/osgeo/gdal.py", line 7, in ?
>>    import _gdal
>> ImportError: libgdal.so.1: cannot open shared object file: No such file or
>> directory
>> --> Not good.
>>
>> So I'm guessing that my gdal libs aren't accessible for some reason, but
>> I'm
>> just guessing.  Is there a way that I can fix this at the ./configure
>> stage?
>>
>
> It looks like path where gdal library was installed is not available to
> loader.
>
> Try this:
>
> export LD_LIBRARY_PATH=/path/to/dir/with/libgdal.so
>
>
> Best regards,
> --
> Mateusz Loskot, http://mateusz.loskot.net
> Charter Member of OSGeo, http://osgeo.org
>
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