Le 8 sept. 2013 à 11:32, [email protected] a écrit :
> Hi Pierre-Henri
>
> You see an inconsistency between 'python2.7' and 'spyder python2.7' behaviour.
>
> '\xe9' is the code of "é" in 'latin1'.
> '\xc3\xa9' is the code of "é" in unicode 'utf-8'
Yep, my understanding (I might well be wrong) is that when displaying unicode
strings in interactive mode (but not by using print where accents are shown),
python writes accents using latin1 encoding, but that does not tell us much
about internal representation of the said string.
>
> Try this , so we can see if you have indeed a 'latin1' or 'cp1252' showing up
> somewhere in your config.
>
> >>>import locale;import
> >>>sys;print(locale.getdefaultlocale(),locale.getpreferredencoding(),sys.getdefaultencoding())
>
Done. It is mostly a repeat of my remarks about os.environ :
So, in a python shell in the terminal, I get :
(('fr_FR', 'UTF-8'), 'UTF-8', 'ascii')
In the python shell within spyder installed from the dmg (spyder.app) :
(('en_US', 'ISO8859-1'), '', 'ISO8859-1')
(same output, running spyder.app, within an ipython console)
That might well be the explanation, except that despite using the same (wrong
?) environment, ipython correctly translates the string I write, where I
suppose it gets UTF-8 strings, and furthermore :
In a macports installed version of spyder, run from the terminal (so with a
correct environment) I do get instead :
(('fr_FR', 'UTF-8'), 'UTF-8', 'UTF-8')
And the behavior is the same there than with spyder.app…
It might be related, or not at all, to the bug Pierre Raybaut wrote about in
winpython list :
"The fact that Unicode characters tend to be rendered badly when the script has
been executed in the current console is a known bug."
Btw, the bug (if I may call it as such) only happens when the strings are
entered in interactive mode, and only within a python console, not ipython.
No such problem when it is within a module : suppose I import a module with the
following fonction :
def my_string():
return u'é'
and, in interactive mode, I define :
>>> s = my_string()
then the length of s is 1, as expected, and not the 2 I get when I write : s =
u'é' instead…
Not that I do get the same confusing results with spyder running within ubuntu,
and as the windows 7 and 8 now uses UTF-8 I bet (but can't test) that it is the
same with those versions of windows.
Pierre-Henri Jondot
>
> Le jeudi 5 septembre 2013 14:40:02 UTC+2, Pierre-Henri a écrit :
> Hi,
>
> My computer is running osx 10.8.4, localized in french (LANG = fr_FR.UTF-8)
>
> In a python (2.7) console (not within spyder) launched in a terminal, I get
> >>> s = 'é' ; s; len(s)
> '\xc3\xa9'
> 2
>
> >>> s = u'é'; s; len(s)
> u'\xe9'
> 1
>
> I get the same result within an iPython console, within spyder.
>
> But, within spyder, in a python console, I do get this instead :
> >>> s = 'é' ; s; len(s)
> '\xc3\xa9'
> 2
>
> >>> s = u'é'; s; len(s)
> '\xc3\xa9'
> 2
>
> I suspected the LANG environment variable was the reason, as within spyder
> (2.2.1 DMG), from the output of os.environ, I get en_US for LANG instead, but
> when I run from the terminal a port installed 2.2.2 spyder, in which
> os.environ shows fr_FR.UTF-8 for the LANG env variable, I get the same
> strange (for me) result than the last one quoted above, so that is not the
> explanation.
>
> So what could be the explanation for this difference ?
>
> Thanks,
>
> Pierre-Henri
>
>
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