view mercurial/pure/charencode.py @ 33761:f5fc54e7e467

encoding: drop circular import by proxying through '<policy>.charencode' I decided not to split charencode.c to new C extension module because it would duplicate binary codes unnecessarily.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 31 Jul 2017 23:13:47 +0900
parents
children b9101467d88b
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# charencode.py - miscellaneous character encoding
#
#  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

def asciilower(s):
    '''convert a string to lowercase if ASCII

    Raises UnicodeDecodeError if non-ASCII characters are found.'''
    s.decode('ascii')
    return s.lower()

def asciiupper(s):
    '''convert a string to uppercase if ASCII

    Raises UnicodeDecodeError if non-ASCII characters are found.'''
    s.decode('ascii')
    return s.upper()