diff options
| -rw-r--r-- | django/utils/datastructures.py | 7 | ||||
| -rw-r--r-- | tests/regressiontests/datastructures/tests.py | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py index 94ab76c483..e924e4edbc 100644 --- a/django/utils/datastructures.py +++ b/django/utils/datastructures.py @@ -92,6 +92,13 @@ class SortedDict(dict): "Returns the value of the item at the given zero-based index." return self[self.keyOrder[index]] + def copy(self): + "Returns a copy of this object." + # This way of initialising the copy means it works for subclasses, too. + obj = self.__class__(self) + obj.keyOrder = self.keyOrder + return obj + class MultiValueDictKeyError(KeyError): pass diff --git a/tests/regressiontests/datastructures/tests.py b/tests/regressiontests/datastructures/tests.py index 90fb2d56a2..e008c255f1 100644 --- a/tests/regressiontests/datastructures/tests.py +++ b/tests/regressiontests/datastructures/tests.py @@ -50,6 +50,8 @@ >>> d['one'] = 'not one' >>> d['one'] 'not one' +>>> d.keys() == d.copy().keys() +True ### DotExpandedDict ############################################################ |