[issue22189] collections.UserString missing some str methods

[Nick Coghlan]

New submission from Nick Coghlan:

str currently implements some methods that UserString doesn't:

>>> set(dir(str)) - set(dir(UserString))
{'__rmod__', 'casefold', 'isprintable', 'maketrans', 'format_map', '__getnewargs__'}

casefold, isprintable & format_map (and perhaps __rmod__) should likely be available on UserString as well.

----------
messages: 225255
nosy: ncoghlan
priority: low
severity: normal
stage: needs patch
status: open
title: collections.UserString missing some str methods
type: enhancement

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22189>
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