Add note in pluginbase about use of Meta.app_label

wiki/models/pluginbase.py

@@ -59,6 +59,8 @@ class ArticlePlugin(models.Model):
         pass
     
     class Meta:
+        # Override this setting with app_label = '' in your extended model
+        # if it lives outside the wiki app.
         app_label = settings.APP_LABEL
     
 class ReusablePlugin(ArticlePlugin):
@@ -105,6 +107,8 @@ class ReusablePlugin(ArticlePlugin):
         super(ReusablePlugin, self).save(*args, **kwargs)
     
     class Meta:
+        # Override this setting with app_label = '' in your extended model
+        # if it lives outside the wiki app.
         app_label = settings.APP_LABEL
 
 class SimplePluginCreateError(Exception): pass
@@ -152,6 +156,8 @@ class SimplePlugin(ArticlePlugin):
         super(SimplePlugin, self).save(*args, **kwargs)
     
     class Meta:
+        # Override this setting with app_label = '' in your extended model
+        # if it lives outside the wiki app.
         app_label = settings.APP_LABEL
 
 class RevisionPlugin(ArticlePlugin):
@@ -191,6 +197,8 @@ class RevisionPlugin(ArticlePlugin):
         if save: self.save()
 
     class Meta:
+        # Override this setting with app_label = '' in your extended model
+        # if it lives outside the wiki app.
         app_label = settings.APP_LABEL
 
 
@@ -228,6 +236,8 @@ class RevisionPluginRevision(BaseRevisionMixin, models.Model):
             self.plugin.save()
 
     class Meta:
+        # Override this setting with app_label = '' in your extended model
+        # if it lives outside the wiki app.
         app_label = settings.APP_LABEL
         get_latest_by = ('revision_number',)
         ordering = ('-created',)

wiki/plugins/images/models.py

-import os
 import os.path
 
 from django.conf import settings as django_settings