http://hg.python.org/cpython/rev/089a086252fc changeset: 74656:089a086252fc branch: 3.2 parent: 74654:e21dd3c1ca7e user: Benjamin Peterson <benjamin@python.org> date: Fri Jan 27 09:14:01 2012 -0500 summary: note that get() is not affected by default_factory (closes #13887) files: Doc/library/collections.rst | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -468,6 +468,11 @@ :class:`dict` class when the requested key is not found; whatever it returns or raises is then returned or raised by :meth:`__getitem__`. + Note that :meth:`__missing__` is *not* called for any operations besides + :meth:`__getitem__`. This means that :meth:`get` will, like normal + dictionaries, return ``None`` as a default rather than using + :attr:`default_factory`. + :class:`defaultdict` objects support the following instance variable: -- Repository URL: http://hg.python.org/cpython