Moved philo files into a philo subdirectory and added a setup.py file. Philo can...

[philo.git] / philo / exceptions.py

diff --git a/philo/exceptions.py b/philo/exceptions.py
new file mode 100644 (file)
index 0000000..f53083d
--- /dev/null
+++ b/philo/exceptions.py
@@ -0,0 +1,19 @@
+from django.core.exceptions import ImproperlyConfigured
+
+
+MIDDLEWARE_NOT_CONFIGURED = ImproperlyConfigured("""Philo requires the RequestNode middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'philo.middleware.RequestNodeMiddleware'.""")
+
+
+class ViewDoesNotProvideSubpaths(Exception):
+       """ Raised by View.reverse when the View does not provide subpaths (the default). """
+       silent_variable_failure = True
+
+
+class ViewCanNotProvideSubpath(Exception):
+       """ Raised by View.reverse when the View can not provide a subpath for the supplied arguments. """
+       silent_variable_failure = True
+
+
+class AncestorDoesNotExist(Exception):
+       """ Raised by get_path if the root model is not an ancestor of the current model """
+       pass
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