Two problems:
1. When you set PYTHONPATH, don't use quotation marks.
2. On Linux, for .so files to be found, you need to add the folder to
the LD_LIBRARY_PATH. So "export
LD_LIBRARY_PATH=/public/home/zhengyh/usr/openbabel/lib:$LD_LIBRARY_PATH"
Should work then...
- Noel
On 25 October 2013 09:26, Zhengyh <swanboi...@gmail.com> wrote:
> Greetings,
> I was compiling the openbabel 2.3.1 version with binding for Python on 'Red
> Hat Enterprise Linux Server release 5.6 (Tikanga)' .
> I installed openbabel locally and this is the path below:
>
> babel: '/public/home/zhengyh/usr/openbabel/bin/babel'
> Python binding:
> '/public/home/zhengyh/usr/openbabel/lib64/python2.4/site-packages/'
>
>
>
> I appended the Python binding path to $PYTHONPATH as the doc tells but it
> did not work when I imported openbabel in Python:
>
> In .bashrc :
>
> PYTHONPATH="/public/home/zhengyh/usr/openbabel/lib:/public/home/zhengyh/usr/openbabel/lib64/python2.4/site-packages:$PYTHONPATH"
>
> But:
>
>>>> import openbabel
> Traceback (most recent call last):
> File "<stdin>", line 1, in ?
> ImportError: No module named openbabel
>>>>
>
>
> And again I did this in another scheme:
>
>>>> import sys,pprint
>>>> pprint.pprint(sys.path)
> ['',
> '/usr/lib64/python24.zip',
> '/usr/lib64/python2.4',
> '/usr/lib64/python2.4/plat-linux2',
> '/usr/lib64/python2.4/lib-tk',
> '/usr/lib64/python2.4/lib-dynload',
> '/usr/lib64/python2.4/site-packages',
> '/usr/lib64/python2.4/site-packages/Numeric',
> '/usr/lib64/python2.4/site-packages/PIL',
> '/usr/lib64/python2.4/site-packages/gtk-2.0',
> '/usr/lib/python2.4/site-packages']
>>>>
>>>> sys.path.append('/public/home/zhengyh/usr/openbabel/lib64/python2.4/site-packages')
>>>> import openbabel
> Traceback (most recent call last):
> File "<stdin>", line 1, in ?
> File
> "/public/home/zhengyh/usr/openbabel/lib64/python2.4/site-packages/openbabel.py",
> line 47, in ?
> import _openbabel
> ImportError: libopenbabel.so.4: cannot open shared object file: No such file
> or directory
>>>> sys.path.append('/public/home/zhengyh/usr/openbabel/lib')
>>>> import openbabel
> Traceback (most recent call last):
> File "<stdin>", line 1, in ?
> File
> "/public/home/zhengyh/usr/openbabel/lib64/python2.4/site-packages/openbabel.py",
> line 47, in ?
> import _openbabel
> ImportError: libopenbabel.so.4: cannot open shared object file: No such file
> or directory
>>>> pprint.pprint(sys.path)
> ['',
> '/usr/lib64/python24.zip',
> '/usr/lib64/python2.4',
> '/usr/lib64/python2.4/plat-linux2',
> '/usr/lib64/python2.4/lib-tk',
> '/usr/lib64/python2.4/lib-dynload',
> '/usr/lib64/python2.4/site-packages',
> '/usr/lib64/python2.4/site-packages/Numeric',
> '/usr/lib64/python2.4/site-packages/PIL',
> '/usr/lib64/python2.4/site-packages/gtk-2.0',
> '/usr/lib/python2.4/site-packages',
> '/public/home/zhengyh/usr/openbabel/lib64/python2.4/site-packages',
> '/public/home/zhengyh/usr/openbabel/lib']
>
> It seems that openbabel.py could not find libopenbabel.so.4 in the
> convention place.
>
>
>
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