Changeset 5896

Timestamp:

08/15/07 07:25:21 (1 year ago)

Author:

mtredinnick

Message:

Fixed #4296 -- Added more explanation around the PythonPath? directory setting. Based on contributions from a cast of thousands (Simon Greenhill, Paul Bissex, Graham Dumpleton, ...). Thanks, all.

Files:

• django/trunk/docs/modpython.txt (modified) (1 diff)

django/trunk/docs/modpython.txt

@@ -63 +63 @@
-        **PythonPath "['/path/to/project'] + sys.path"**
-    </Location>
+
+The value you use for ``PythonPath`` should include the parent directories of
+all the modules you are going to import in your application. It should also
+include the parent directory of the ``DJANGO_SETTINGS_MODULE`` location. This
+is exactly the same situation as setting the Python path for interactive
+usage. Whenever you try to import something, Python will run through all the
+directories in ``sys.path`` in turn, from first to last, and try to import
+from each directory until one succeeds.
+
+An example might make this clearer. Suppose
+you have some applications under ``/usr/local/django-apps/`` (for example,
+``/usr/local/django-apps/weblog/`` and so forth), your settings file is at
+``/var/www/mysite/settings.py`` and you have specified
+``DJANGO_SETTINGS_MODULE`` as in the above example. In this case, you would
+need to write your ``PythonPath`` directive as::
+
+    PythonPath "['/var/production/django-apps/', '/var/www'] + sys.path"
+
+With this path, ``import weblog`` and ``import mysite.settings`` will all
+work. If you had ``import blogroll`` in your code somewhere and ``blogroll``
+lived under the ``weblog/`` directory, you would *also* need to add
+``/var/production/django-apps/weblog/`` to your ``PythonPath``. Remember: the
+**parent directories** of anything you import directly must be on the Python
+path.
-
-.. caution::