Question

I am trying to install sorl.thumbnail but am getting the following error message:

thumbnail is not a valid tag library: Could not load template library from django.templatetags.thumbnail, No module named PIL

This error popped up in this question as well
need help solving sorl-thumbnail error: " thumbnail is not a valid tag library:"
but the solution offered there is no good for me. The solution was to append the project folder to all imports in the sorl files. I want to keep my apps separate from the project they are in for obvious reasons.

I have placed the sorl folder in my project folder
I have placed sorl.thumbnaills under installed apps
and finally placed {% load thumbnail %} in base.html

$python2.5 
>>>import PIL
>>>import sorl

These work.

Using python2.5, on ubuntu 9.04 with django 1.1 with appengine-patch

To try some other things out i placed in settings.py file:

import sys
sys.path.append("/home/danielle/bu3/mysite/sorl/thumbnail")

But that didnt work either. Some more help would be appreciated ... how should i change my path?

current path (without above mentioned import): [ /home/danielle/bu3/mysite , /home/danielle/bu3/mysite/common , /home/danielle/bu3/mysite/common/appenginepatch/appenginepatcher/lib , /home/danielle/bu3/mysite/common/zip-packages/django-1.1.zip , /home/danielle/bu3/mysite/common/appenginepatch , /usr/local/google_appengine , /usr/local/google_appengine/lib/antlr3 , /usr/local/google_appengine/lib/yaml/lib , /usr/local/google_appengine/lib/django , /usr/local/google_appengine/lib/webob , /home/danielle/bu3/mysite , /usr/lib/python2.5/site-packages/setuptools-0.6c9-py2.5.egg , /usr/lib/python2.5/site-packages/ZopeSkel-2.10-py2.5.egg , /usr/lib/python2.5/site-packages/virtualenv-1.3.2-py2.5.egg , /usr/lib/python2.5/site-packages/pip-0.3.1-py2.5.egg , /usr/lib/python2.5/site-packages/virtualenvwrapper-1.12-py2.5.egg , /usr/lib/python2.5/site-packages/PyYAML-3.08-py2.5-linux-i686.egg , /usr/lib/python2.5/site-packages/xlutils-1.3.0-py2.5.egg , /usr/lib/python2.5/site-packages/errorhandler-1.0.0-py2.5.egg , /usr/lib/python2.5/site-packages/xlwt-0.7.1-py2.5.egg , /usr/lib/python2.5/site-packages/xlrd-0.7.0-py2.5.egg , /usr/lib/python2.5/site-packages/Fabric-0.0.9-py2.5.egg , /usr/lib/python2.5/site-packages/multitask-0.2.0-py2.5.egg , /usr/lib/python2.5/site-packages/logilab.pylintinstaller-0.15.2-py2.5.egg , /usr/lib/python2.5/site-packages/pylint-0.15.2-py2.5.egg , /usr/lib/python2.5/site-packages/clonedigger-1.0.9_beta-py2.5.egg , /usr/lib/python2.5/site-packages/yolk-0.4.1-py2.5.egg , /usr/lib/python2.5/site-packages/MySQL_python-1.2.3c1-py2.5-linux-i686.egg , /usr/lib/python2.5 , /usr/lib/python2.5/plat-linux2 , /usr/lib/python2.5/lib-tk , /usr/lib/python2.5/lib-dynload , /usr/local/lib/python2.5/site-packages , /usr/lib/python2.5/site-packages , /usr/lib/python2.5/site-packages/Numeric , /usr/lib/python2.5/site-packages/PIL , /usr/lib/python2.5/site-packages/gst-0.10 , /var/lib/python-support/python2.5 , /usr/lib/python2.5/site-packages/gtk-2.0 , /var/lib/python-support/python2.5/gtk-2.0 , /usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode ]

Answer 1

Is is a typo in your question? You have mis-spelled thumbnails - for the installed apps you have two l s, i.e.

sorl.thumbnaills

rather than

 sorl.thumbnails

if you run sync.db does it return an error?

Answer 2

(Editing this, since I didn t read carefully enough)

django.templatetags.thumbnail is not, I think, where your thumbnail templatetags should be loading from ... I would think, if you put it in your project folder, it would be myproject.sorl.thumbnail.templatetags.thumbnail.

As for the the:

No module named PIL

Seems that it can t load PIL, even though import PIL works, did you manually install the Python Imaging Library (PIL) - which is usually not present by default on most systems I know.

Have you tried creating a symlink to on your /usr/lib/python2.6/site-packages/ path and attempting to utilize sorl that way? I am using it on Ubuntu without a problem.

Answer 3

It seems i only made the typo here on stackoverflow, in settings i have:

INSTALLED_APPS = (
 jquery ,
 blueprintcss ,
 django.contrib.auth ,
 django.contrib.sessions ,
 django.contrib.admin ,
 django.contrib.webdesign ,
 django.contrib.flatpages ,
 django.contrib.redirects ,
 django.contrib.sites ,
 appenginepatcher ,
 ragendja ,
 myapp ,
 registration ,
 mediautils ,
 site_nav ,
 pages ,
 sorl.thumbnail ,
)

I assume the order doesn t matter. I m trying to run this on app engine so i haven t needed to do a syncdb as that doesn t do anything on app engine.

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