[Python-Dev] Printing and __unicode__

[Martin v. Loewis]

"M.-A. Lemburg" <mal@lemburg.com> writes:

> StringIO should be considered a non-Unicode aware stream,
> so it should not implement .encoding. Instead, PyFile_WriteObject()
> will simply call __str__ on the Unicode object and thus use
> the default encoding for conversion (this is what StringIO
> does currently).

This is not what StringIO does currently:

>>> s=StringIO.StringIO()
>>> print >>s,u"Hallo"
>>> s.getvalue()
u'Hallo\n'

print special-cases Unicode objects and passes them to the stream. So
printing Unicode objects on a StringIO builds up a Unicode value.

> If somebody wants to use a StringIO object as Unicode aware
> stream

StringIO *is* Unicode-aware.

Regards,
Martin