1 # charencode.py - miscellaneous character encoding

     2 #

     3 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others

     4 #

     5 # This software may be used and distributed according to the terms of the

     6 # GNU General Public License version 2 or any later version.

     7 

     8 from __future__ import absolute_import

     9 

    10 def asciilower(s):

    11     '''convert a string to lowercase if ASCII

    12 

    13     Raises UnicodeDecodeError if non-ASCII characters are found.'''

    14     s.decode('ascii')

    15     return s.lower()

    16 

    17 def asciiupper(s):

    18     '''convert a string to uppercase if ASCII

    19 

    20     Raises UnicodeDecodeError if non-ASCII characters are found.'''

    21     s.decode('ascii')

    22     return s.upper()