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Asked: 2026-06-17T14:53:06+00:00

OpenBSD, PostgreSQL9.2, python2.7 Trying to import psycopg2 module from python command line: Python 2.7.3

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OpenBSD, PostgreSQL9.2, python2.7
Trying to import psycopg2 module from python command line:

Python 2.7.3 (default, Aug  3 2012, 05:33:56)
[GCC 4.2.1 20070719 ] on openbsd5
Type "help", "copyright", "credits" or "license" for more information.
>>> import psycopg2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/site-packages/psycopg2/__init__.py", line 67, in <module>
    from psycopg2._psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID
ImportError: Cannot load specified object

psycopg2 is compiled and installed. I saw _psycopg.so in /site-packages/psycopg2 folder. Maybe he can not see this library ?

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1 Answer

  1. Editorial Team

    The psycopg2 python module includes an extension written in C. That extension cannot be loaded, because another C library that it is depending on is missing.

    Check that you still have the PostgreSQL client libraries installed, and that psycopg2 can find it.

    Note that if you run Django in a WSGI server, you need to have set the LD_LIBRARY_PATH environment variable before the WSGI server starts. Alternatively, recompile the psycopg2 extension with LD_RUN_PATH=/usr/local/pgsql/lib to ‘hardcode’ the path to the PostgreSQL client library at linking time, removing the need to set LD_LIBRARY_PATH.

    A last resort would be to add the /usr/local/pgsql/lib path to /etc/ld.so.conf, see the ld.so(8) manpage.

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