From c51eaf5ca0901f680efb96d7f5400dfc4773a764 Mon Sep 17 00:00:00 2001 From: R David Murray Date: Mon, 10 Mar 2014 09:49:19 -0400 Subject: [PATCH] whatsnew: ChainMap.new_child *m* argument. And NEWS entry. --- Doc/whatsnew/3.4.rst | 9 +++++++++ Misc/NEWS | 3 +++ 2 files changed, 12 insertions(+) diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index f41a6ac68a..e7fd3a9d30 100644 --- a/Doc/whatsnew/3.4.rst +++ b/Doc/whatsnew/3.4.rst @@ -596,6 +596,15 @@ including the Adobe variant. (Contributed by Martin Morrison, the Mercurial project, Serhiy Storchaka, and Antoine Pitrou in :issue:`17618`.) +collections +----------- + +The :meth:`.ChainMap.new_child` method now accepts an *m* argument specifying +the child map to add to the chain. This allows an existing mapping and/or a +custom mapping type to be used for the child. (Contributed by Vinay Sajip in +:issue:`16613`.) + + colorsys -------- diff --git a/Misc/NEWS b/Misc/NEWS index 68cb3790ab..214e8fc34d 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -2376,6 +2376,9 @@ Core and Builtins - Issue #14850: Now a charmap decoder treats U+FFFE as "undefined mapping" in any mapping, not only in a string. +- Issue #16613: Add *m* argument to ``collections.Chainmap.new_child`` to + allow the new child map to be specified explicitly. + - Issue #16730: importlib.machinery.FileFinder now no longers raises an exception when trying to populate its cache and it finds out the directory is unreadable or has turned into a file. Reported and diagnosed by -- 2.40.0