From d1ae57027fc39ff60dcfc1b63881400e5ca3ce56 Mon Sep 17 00:00:00 2001 From: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com> Date: Tue, 22 Jun 2021 10:19:24 -0400 Subject: bpo-41621: Document defaultdict's default_factory parameter (GH-21945) It defaults to None and is positional only. --- Doc/library/collections.rst | 4 ++-- .../next/Documentation/2020-08-24-13-35-04.bpo-41621.nqaw9G.rst | 1 + Modules/_collectionsmodule.c | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) create mode 100644 Misc/NEWS.d/next/Documentation/2020-08-24-13-35-04.bpo-41621.nqaw9G.rst diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index 94166ec..a630904 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -707,9 +707,9 @@ stack manipulations such as ``dup``, ``drop``, ``swap``, ``over``, ``pick``, :class:`defaultdict` objects ---------------------------- -.. class:: defaultdict([default_factory[, ...]]) +.. class:: defaultdict(default_factory=None, /, [...]) - Returns a new dictionary-like object. :class:`defaultdict` is a subclass of the + Return a new dictionary-like object. :class:`defaultdict` is a subclass of the built-in :class:`dict` class. It overrides one method and adds one writable instance variable. The remaining functionality is the same as for the :class:`dict` class and is not documented here. diff --git a/Misc/NEWS.d/next/Documentation/2020-08-24-13-35-04.bpo-41621.nqaw9G.rst b/Misc/NEWS.d/next/Documentation/2020-08-24-13-35-04.bpo-41621.nqaw9G.rst new file mode 100644 index 0000000..bd193d9 --- /dev/null +++ b/Misc/NEWS.d/next/Documentation/2020-08-24-13-35-04.bpo-41621.nqaw9G.rst @@ -0,0 +1 @@ +Document that :class:`collections.defaultdict` parameter ``default_factory`` defaults to None and is positional-only. diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c index 79c6b57..57e3464 100644 --- a/Modules/_collectionsmodule.c +++ b/Modules/_collectionsmodule.c @@ -2241,7 +2241,7 @@ defdict_init(PyObject *self, PyObject *args, PyObject *kwds) } PyDoc_STRVAR(defdict_doc, -"defaultdict(default_factory[, ...]) --> dict with default factory\n\ +"defaultdict(default_factory=None, /, [...]) --> dict with default factory\n\ \n\ The default factory is called without arguments to produce\n\ a new value when a key is not present, in __getitem__ only.\n\ -- cgit v0.12