whatsnew: ChainMap.new_child *m* argument.

And NEWS entry.
This commit is contained in:
R David Murray 2014-03-10 09:49:19 -04:00
parent 02e77d17fa
commit c51eaf5ca0
2 changed files with 12 additions and 0 deletions

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@ -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
--------

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@ -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