From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 26 Jul 2021 16:11:25 +0000 (+0300)
Subject: bpo-43443: Clarify difference between shelve objects and dicts (GH-27004)
X-Git-Tag: v3.11.0a1~567
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c97c2a050cf753003012ae3f08e035326b8f6167;p=thirdparty%2FPython%2Fcpython.git

bpo-43443: Clarify difference between shelve objects and dicts (GH-27004)
---

diff --git a/Doc/library/shelve.rst b/Doc/library/shelve.rst
index 07caf91d5b7d..1031888a5889 100644
--- a/Doc/library/shelve.rst
+++ b/Doc/library/shelve.rst
@@ -60,7 +60,8 @@ lots of shared  sub-objects.  The keys are ordinary strings.
    to load a shelf from an untrusted source.  Like with pickle, loading a shelf
    can execute arbitrary code.
 
-Shelf objects support all methods supported by dictionaries.  This eases the
+Shelf objects support most of methods and operations supported by dictionaries
+(except copying, constructors and operators ``|`` and ``|=``).  This eases the
 transition from dictionary based scripts to those requiring persistent storage.
 
 Two additional methods are supported: