Bugs item #1634774, was opened at 2007-01-13 18:30
Message generated for change (Comment added) made by loewis
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Category: Python Library
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ivan Dobrokotov (dobrokot)
Assigned to: Nobody/Anonymous (nobody)
Summary: locale 1251 does not convert to upper case properly
Initial Comment:
<pre>
# -*- coding: 1251 -*-
import locale
locale.setlocale(locale.LC_ALL, ".1251") #locale name may be Windows specific?
#-----------------------------------------------
print chr(184), chr(168)
assert chr(255).upper() == chr(223) #OK
assert chr(184).upper() == chr(168) #fail
#-----------------------------------------------
assert 'q'.upper() == 'Q' #OK
assert 'ж'.upper() == 'Ж' #OK
assert 'Ж'.upper() == 'Ж' #OK
assert 'я'.upper() == 'Я' #OK
assert u'ё'.upper() == u'Ё' #OK (locale independent)
assert 'ё'.upper() == 'Ё' #fail
</pre>
I suppose incorrect realization of uppercase like
<pre>
if ('a' <= c && c <= 'я')
return c+'Я'-'я'
</pre>
symbol 'ё' (184 in cp1251) is not in range 'a'-'я'
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>Comment By: Martin v. Löwis (loewis)
Date: 2007-01-18 21:08
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You can see the implementation of .upper in
http://svn.python.org/projects/python/tags/r25/Objects/stringobject.c
(function string_upper)
Off-hand, I cannot see anything wrong in that code. It definitely does
*not* use c+'Я'-'я'.
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Comment By: Ivan Dobrokotov (dobrokot)
Date: 2007-01-13 22:08
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forgot to mention used python version -
http://www.python.org/ftp/python/2.5/python-2.5.msi
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Comment By: Ivan Dobrokotov (dobrokot)
Date: 2007-01-13 18:51
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sorry, I mean
toupper((int)(unsigned char)'ё')
not just toupper('ё')
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Comment By: Ivan Dobrokotov (dobrokot)
Date: 2007-01-13 18:49
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C-CRT library fucntion toupper('ё') works properly, if I set
setlocale(LC_ALL, ".1251")
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