unable to print Unicode characters in Python 3

[Giampaolo Rodola']

On 26 Gen, 19:16, jefm <jef.mangelsch... at gmail.com> wrote:
> Hi,
> while checking out Python 3, I read that all text strings are now
> natively Unicode.
> In the Python language reference (http://docs.python.org/3.0/reference/
> lexical_analysis.html) I read that I can show Unicode character in
> several ways.
> "\uxxxx" supposedly allows me to specify the Unicode character by hex
> number and the format  "\N{name}" allows me to specify by Unicode
> name.
> Neither seem to work for me.
> What am I doing wrong ?
>
> Please see error output below where I am trying to show the EURO sign
> (http://www.fileformat.info/info/unicode/char/20ac/index.htm):
>
> Python 3.0 (r30:67507, Dec  3 2008, 20:14:27) [MSC v.1500 32 bit
> (Intel)] on win32
> Type "help", "copyright", "credits" or "license" for more information.>>> print('\u20ac')
>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "c:\python30\lib\io.py", line 1491, in write
>     b = encoder.encode(s)
>   File "c:\python30\lib\encodings\cp437.py", line 19, in encode
>     return codecs.charmap_encode(input,self.errors,encoding_map)[0]
> UnicodeEncodeError: 'charmap' codec can't encode character '\u20ac' in
> position 0: character maps to <undefined>
>
> >>> print ("\N{EURO SIGN}")
>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "c:\python30\lib\io.py", line 1491, in write
>     b = encoder.encode(s)
>   File "c:\python30\lib\encodings\cp437.py", line 19, in encode
>     return codecs.charmap_encode(input,self.errors,encoding_map)[0]
> UnicodeEncodeError: 'charmap' codec can't encode character '\u20ac' in
> position 0: character maps to <undefined>

I have this same issue on Windows.
Note that on Python 2.6 it works:

Python 2.6.1 (r261:67517, Dec  4 2008, 16:51:00) [MSC v.1500 32 bit
(Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> print unicode('\u20ac')
\u20ac

This is pretty serious, IMHO, since breaks any Windows software
priting unicode to stdout.
I've filed an issue on the Python bug tracker:
http://bugs.python.org/issue5081


--- Giampaolo
http://code.google.com/p/pyftpdlib/