[SciPy-User] ImportError: *.so: cannot open shared object file: No such file or directory

Pundurs, Mark mark.pundurs@navteq....
Wed Nov 2 10:38:51 CDT 2011


I want to use the function stats.norm.isf, but no matter how I try to import it I end up with the error "ImportError: <libname>.so: cannot open shared object file: No such file or directory". The .so files cited do exist in /usr/lib (as symbolic links to other .so files that also exist in that directory). From what I've read, that's where they're supposed to be - but I think the Python installation is in a nonstandard location. Is that the problem? How can I work around it?

Is there some way I can stitch together pieces of Scipy code in my script to directly access stats.norm.isf functionality and bypass these problems?

I'm running Scipy 0.8.0/Python 2.6.3 under Red Hat Enterprise Linux ES release 4 (Nahant Update 5) on a Dell PowerEdge 1950.

Traceback (most recent call last):
  File "/disk1/hadoop/tmp/taskTracker/jobcache/job_201109081055_6643/attempt_201109081055_6643_r_000000_0/work/./ExpandAndAverageFinal_ReducerB_pc.py", line 13, in <module>
    from scipy.stats import norm
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/stats/__init__.py", line 7, in <module>
    from stats import *
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/stats/stats.py", line 203, in <module>
    import scipy.linalg as linalg
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/linalg/__init__.py", line 9, in <module>
    from basic import *
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/linalg/basic.py", line 16, in <module>
    from lapack import get_lapack_funcs
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/linalg/lapack.py", line 14, in <module>
    from scipy.linalg import flapack
ImportError: liblapack.so: cannot open shared object file: No such file or directory

Traceback (most recent call last):
  File "/disk1/hadoop/tmp/taskTracker/jobcache/job_201109081055_6658/attempt_201109081055_6658_r_000000_0/work/./ExpandAndAverageFinal_ReducerB_pc.py", line 13, in <module>
    from scipy.stats.norm import isf
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/stats/__init__.py", line 7, in <module>
    from stats import *
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/stats/stats.py", line 202, in <module>
    import scipy.special as special
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/special/__init__.py", line 8, in <module>
    from basic import *
  File "/tools/python/2.6.3_3/linux_x86_64/lib/python2.6/site-packages/scipy/special/basic.py", line 6, in <module>
    from _cephes import *
ImportError: libgfortran.so.1: cannot open shared object file: No such file or directory

Thanks,
Mark Pundurs
Data Analyst - Traffic
Nokia Location & Commerce, Chicago


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