Lib/fileinput.py - Issue 15204: Deprecate the 'U' open mode

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Unified Diff: Lib/fileinput.py

Issue 15204: Deprecate the 'U' open mode

Patch Set: Created 11 months, 3 weeks ago

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--- a/Lib/fileinput.py Thu Jun 28 01:45:48 2012 +0200

+++ b/Lib/fileinput.py Thu Jun 28 12:21:26 2012 +0300

@@ -224,6 +224,9 @@

if mode not in ('r', 'rU', 'U', 'rb'):

raise ValueError("FileInput opening mode must be one of "

"'r', 'rU', 'U' and 'rb'")

+ if 'U' in mode:

+ warnings.warn("Use of 'U' mode is deprecated",

+ DeprecationWarning)

self._mode = mode

if openhook:

if inplace:

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