[issue27252] Make dict views copyable

Changes by Serhiy Storchaka : -- resolution: -> rejected stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue27252] Make dict views copyable

Raymond Hettinger added the comment: See also: http://bugs.python.org/issue27253 -- ___ Python tracker ___

[issue27252] Make dict views copyable

Raymond Hettinger added the comment: I think we should stop adding features like this without actual user requests and real use cases to show necessity and to inform the design. -- ___ Python tracker

[issue27252] Make dict views copyable

Serhiy Storchaka added the comment: I didn't encounter this. -- ___ Python tracker ___ ___ Python-bugs-list

[issue27252] Make dict views copyable

Guido van Rossum added the comment: I'm still not clear about the use case -- have you heard from people who had to work around the current situation? Use of the copy module is often a code smell in my experience, so I don't want to encourage it. --

[issue27252] Make dict views copyable

New submission from Serhiy Storchaka: Proposed patch adds support of dict views in the copy module. Since dict views are immutable, copy.copy() just returns the same object. copy.deepcopy() returns a frozenset for the dict_keys object, a tuple for the dict_values object, and a dict_items