From: Erlend Egeberg Aasland Date: Thu, 13 May 2021 22:44:55 +0000 (+0200) Subject: bpo-43908: Add What's New entry for Py_TPFLAGS_IMMUTABLETYPE flag (GH-25816) X-Git-Tag: v3.11.0a1~1126 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a09fc9c63f1b5980c62ff2712f67500bacb92b04;p=thirdparty%2FPython%2Fcpython.git bpo-43908: Add What's New entry for Py_TPFLAGS_IMMUTABLETYPE flag (GH-25816) --- diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst index 2d11efba4d01..9394ee7d6223 100644 --- a/Doc/whatsnew/3.10.rst +++ b/Doc/whatsnew/3.10.rst @@ -1846,6 +1846,10 @@ New Features creating type instances. (Contributed by Victor Stinner in :issue:`43916`.) +* Add a new :c:data:`Py_TPFLAGS_IMMUTABLETYPE` type flag for creating immutable + type objects: type attributes cannot be set nor deleted. + (Contributed by Victor Stinner and Erlend E. Aasland in :issue:`43908`.) + Porting to Python 3.10 ---------------------- @@ -1903,6 +1907,12 @@ Porting to Python 3.10 been included directly, consider including ``Python.h`` instead. (Contributed by Nicholas Sim in :issue:`35134`) +* Use the :c:data:`Py_TPFLAGS_IMMUTABLETYPE` type flag to create immutable type + objects. Do not rely on :c:data:`Py_TPFLAGS_HEAPTYPE` to decide if a type + object is mutable or not; check if :c:data:`Py_TPFLAGS_IMMUTABLETYPE` is set + instead. + (Contributed by Victor Stinner and Erlend E. Aasland in :issue:`43908`.) + Deprecated ----------