From: James Hilton-Balfe <gobot1234yt@gmail.com>
Date: Fri, 29 Sep 2023 16:57:32 +0000 (+0100)
Subject: gh-109495: Remove unused slots from the Python implementation of datetime (GH-109494)
X-Git-Tag: v3.13.0a1~222
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7d57288f6d0e7fffb2002ceb460784d39277584a;p=thirdparty%2FPython%2Fcpython.git

gh-109495: Remove unused slots from the Python implementation of datetime (GH-109494)
---

diff --git a/Lib/_pydatetime.py b/Lib/_pydatetime.py
index 88275481e700..bca2acf1fc88 100644
--- a/Lib/_pydatetime.py
+++ b/Lib/_pydatetime.py
@@ -1684,7 +1684,7 @@ class datetime(date):
     The year, month and day arguments are required. tzinfo may be None, or an
     instance of a tzinfo subclass. The remaining arguments may be ints.
     """
-    __slots__ = date.__slots__ + time.__slots__
+    __slots__ = time.__slots__
 
     def __new__(cls, year, month=None, day=None, hour=0, minute=0, second=0,
                 microsecond=0, tzinfo=None, *, fold=0):
diff --git a/Misc/NEWS.d/next/Library/2023-09-16-15-44-16.gh-issue-109495.m2H5Bk.rst b/Misc/NEWS.d/next/Library/2023-09-16-15-44-16.gh-issue-109495.m2H5Bk.rst
new file mode 100644
index 000000000000..a7e1b3a64fa7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-09-16-15-44-16.gh-issue-109495.m2H5Bk.rst
@@ -0,0 +1 @@
+Remove unnecessary extra ``__slots__`` in :py:class:`datetime`\'s pure python implementation to reduce memory size, as they are defined in the superclass. Patch by James Hilton-Balfe