Bugs item #1519069, was opened at 2006-07-08 05:04
Message generated for change (Comment added) made by loewis
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Category: Windows
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Brian Matherly (pez4brian)
Assigned to: Nobody/Anonymous (nobody)
Summary: incorrect locale.strcoll() return in Windows
Initial Comment:
Python 2.4.2 in Windows (English locale):
>>> import locale
>>> locale.setlocale(locale.LC_ALL,'C')
'C'
>>> locale.setlocale(locale.LC_ALL,'')
'English_United States.1252'
>>> locale.strcoll("M","m")
1
>>> locale.strcoll("Ma","mz")
-1
It appears that when a string has one character, "M" is
greater than "m", but when it has more than one string,
"M" is equal to "m"
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>Comment By: Martin v. Löwis (loewis)
Date: 2006-07-14 17:55
Message:
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Why do you think this is a bug? We pass the string as-is to
the C library, which passes it nearly as-is to
CompareStringW. This function then decides how they collate;
in Microsoft's definition of the English_United States
locale, these strings do have the order you get.
In case you wonder how the order is computed: essentially,
the strings are compared case insensitive, without
diacritics. If they then compare equal, the diacritics are
considered. If this still compares equal, Case weights are
considered. If this still compares equal, Special weights
are considered.
(Note: I obtained this indirectly by looking at the
LCMapString documentation, assuming that CompareString uses
LCMapString with LCMAP_SORTKEY|SORT_STRINGSORT).
----------------------------------------------------------------------
Comment By: Brian Matherly (pez4brian)
Date: 2006-07-08 05:35
Message:
Logged In: YES
user_id=726294
I see the same problem in python 2.4.3
----------------------------------------------------------------------
Comment By: Brian Matherly (pez4brian)
Date: 2006-07-08 05:08
Message:
Logged In: YES
user_id=726294
Correction:
It appears that when a string has one character, "M" is
greater than "m", but when it has more than one character,
"M" is equal to "m"
----------------------------------------------------------------------
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1519069&group_id=5470
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