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apache - Django, mod_wsgi, psycopg2 ImproperlyConfigured: Error loading psycopg2 module: No module named _psycopg

I have a Django 1.5, Python 2.7 site running under Apache with mod_wsgi on a CentOS 6.4 server.

I have rebuilt this site using Django 1.6 and Python 3.3. Deploying it to the same server and changing the paths in httpd.conf I get the subject error. This new install works as expected using ./manage.py runserver.

Here are the two WSGI definitions from httpd.conf:

WSGIScriptAlias / /home/ccdgen/CCDGEN2/apache/wsgi.py
WSGIPythonPath         /home/ccdgen/CCDGEN2/ccdgen/ccdgen:/home/ccdgen/CCDGEN2/ccdgen:/home/ccdgen/CCDGEN2/lib/python3.3/site-packages
<Directory /home/ccdgen/CCDGEN2/ccdgen>
   <Files wsgi.py>
     Order allow,deny
     Allow from all
   </Files>
</Directory>

#WSGIScriptAlias /ccdgen /home/ccdgen/CCDGEN/apache/wsgi.py
#WSGIPythonPath /home/ccdgen/CCDGEN/mlhim/ccdgen:/home/ccdgen/CCDGEN/mlhim:/home/ccdgen/CCDGEN/lib/python2.7/site-packages
#<Directory /home/ccdgen/CCDGEN/mlhim>
#   <Files wsgi.py>
#     Order allow,deny
#     Allow from all
#   </Files>
#</Directory>

The wsgi.py file is the same on both installations:

import os
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mlhim.settings")
from django.core.wsgi import get_wsgi_application
application = get_wsgi_application()

Any ideas? Obvious oversights? Thanks

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by (71.8m points)

I had this problem recently:

ImproperlyConfigured: Error loading psycopg2 module: No module named _psycopg

... and this command was the answer:

sudo apt-get install libapache2-mod-wsgi-py3

Reference:

http://python.6.x6.nabble.com/ImproperlyConfigured-Error-loading-psycopg2-module-No-module-named-psycopg-td5044145.html


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