def reload_widgets():
"""Reload the default classifiers and widgets."""
Classifier.delete_all_classifiers()
Classifier.load_default_classifiers()
Widget.delete_all_widgets()
InteractiveWidget.load_default_widgets()
NonInteractiveWidget.load_default_widgets()
def reload_demos():
"""Reload default classifiers, widgets, and explorations (in that order)."""
Classifier.delete_all_classifiers()
Classifier.load_default_classifiers()
Widget.delete_all_widgets()
InteractiveWidget.load_default_widgets()
NonInteractiveWidget.load_default_widgets()
Exploration.delete_demo_explorations()
Exploration.load_demo_explorations()
def test_loading_and_deletion_of_classifiers(self):
"""Test loading and deletion of the default classifiers."""
self.assertEqual(Classifier.query().count(), 0)
Classifier.load_default_classifiers()
classifiers = Classifier.query()
classifier_ids = [classifier.id for classifier in classifiers]
self.assertIn('Coord2DClassifier', classifier_ids)
self.assertEqual(classifiers.count(), 7)
Classifier.delete_all_classifiers()
self.assertEqual(Classifier.query().count(), 0)
def rules(self):
if not self.classifier:
return []
return Classifier.get_by_id(self.classifier).rules
