[refs #49] Added test for accessing first() and last() on querysets, added in django1.6

Author: carlio

pylint_django/augmentations/__init__.py

@@ -346,7 +346,6 @@ def _visit_assign(checker):
 
 def apply_augmentations(linter):
     """Apply augmentation and suppression rules."""
-
     augment_visit(linter, _visit_attribute(TypeChecker), foreign_key_sets)
     augment_visit(linter, _visit_attribute(TypeChecker), foreign_key_ids)
     suppress_message(linter, _visit_attribute(TypeChecker), 'E1101', is_model_field_display_method)
@@ -368,7 +367,6 @@ def apply_augmentations(linter):
     suppress_message(linter, _visit_class(ClassChecker), 'no-init', is_model_meta_subclass)
     suppress_message(linter, _leave_class(MisdesignChecker), 'too-few-public-methods', is_model_meta_subclass)
     suppress_message(linter, _visit_attribute(ClassChecker), 'protected-access', allow_meta_protected_access)
-    #suppress_message(linter, _visit_assign(ClassChecker), 'protected-access', allow_meta_protected_access)
 
     # Media
     suppress_message(linter, _visit_assignname(NameChecker), 'C0103', is_model_media_valid_attributes)

test/input/func_noerror_foreign_key_sets.py

@@ -12,6 +12,9 @@ class SomeModel(models.Model):
     def get_others(self):
         return self.othermodel_set.all()
 
+    def get_first(self):
+        return self.othermodel_set.first()
+
 
 class OtherModel(models.Model):
     count = models.IntegerField()

test/input/func_noerror_model_methods.py

@@ -14,3 +14,6 @@ class SomeModel(models.Model):
     MODEL.delete()
 
     COUNT = SomeModel.objects.count()
+    # added in django 1.6
+    FIRST = SomeModel.objects.first()
+    LAST = SomeModel.objects.last()