Bugs item #1699853, was opened at 2007-04-13 12:26
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Bernhard Reiter (ber)
Assigned to: Nobody/Anonymous (nobody)
Summary: locale.getlocale() output fails as setlocale() input
Initial Comment:
This problem report about the locale module
consists of three closely related parts
(this is why I have decided to put it in one report).
a) the example in the docs is wrong / missleading
b) under some locale settings python as a defect
c) a test case for the locale module, showing b)
but useful as general start for a test module.
Details:
a)
Section example:
The line
>>> loc = locale.getlocale(locale.LC_ALL) # get current locale
contradicts that getlocale should not be called with
LC_ALL, as stated in the description of getlocale.
Suggestion is to change the example to be more useful
as getting the locale as first action is not really useful.
It should be "C" anyway which will lead to (None, None)
so the value is already known. It would make more sense to
first set the default locale to the user preferences:
import locale
locale.setlocale(locale.LC_ALL,'')
loc = locale.getlocale(locale.LC_NUMERIC)
locale.setlocale(locale.LC_NUMERIC,"C")
# convert a string here
locale.setlocale(locale.LC_NUMERIC, loc)
_but_ this does not work, see problem b).
What does work is:
import
locale.setlocale(locale.LC_ALL,'')
loc = locale.setlocale(locale.LC_NUMERIC)
locale.setlocale(locale.LC_NUMERIC,"C")
# convert a string here
locale.setlocale(locale.LC_NUMERIC, loc)
Note that all_loc = locale.setlocale(locale.LC_ALL) might contain
several categories (see attached test_locale.py where I needed to decode
this).
'LC_CTYPE=de_DE.UTF-8;LC_NUMERIC=en_GB.utf8;LC_TIME=de_DE.UTF-8;LC_COLLATE=de_DE.UTF-8;LC_MONETARY=de_DE.UTF-8;LC_MESSAGES=de_DE.UTF-8;LC_PAPER=de_DE.UTF-8;LC_NAME=de_DE.UTF-8;LC_ADDRESS=de_DE.UTF-8;LC_TELEPHONE=de_DE.UTF-8;LC_MEASUREMENT=de_DE.UTF-8;LC_IDENTIFICATION=de_DE.UTF-8'
b)
The output of getlocale cannot be used as input to
setlocale sometimes.
Works with
* python2.5 und python2.4 on
Debian GNU/Linux Etch ppc, de_DE.utf8.
I had failures with
* python2.3, python2.4, python2.5
on Debian GNU/Linux Sarge ppc, [EMAIL PROTECTED]
* Windows XP SP2
python-2.4.4.msi German, see:
>>> import locale
>>> result = locale.setlocale(locale.LC_NUMERIC,"")
>>> print result
German_Germany.1252
>>> got = locale.getlocale(locale.LC_NUMERIC)
>>> print got
('de_DE', '1252')
>>> # works
... locale.setlocale(locale.LC_NUMERIC, result)
'German_Germany.1252'
>>> # fails
... locale.setlocale(locale.LC_NUMERIC, got)
Traceback (most recent call last):
File "<stdin>", line 2, in ?
File "C:\Python24\lib\locale.py", line 381, in setlocale
return _setlocale(category, locale)
locale.Error: unsupported locale setting
>>>
----------------------------------------------------------------------
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