Daniel U. Thibault added the comment:
>>> mystring="äöü"
>>> myustring=u"äöü"
>>> mystring
'\xc3\xa4\xc3\xb6\xc3\xbc'
>>> myustring
u'\xe4\xf6\xfc'
>>> str(mystring)
'\xc3\xa4\xc3\xb6\xc3\xbc'
>>> str(myustring)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-2:
ordinal not in range(128)
>>> f = open('workfile', 'w')
>>> f.write(mystring)
>>> f.close()
>>> f = open('workufile', 'w')
>>> f.write(myustring)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-2:
ordinal not in range(128)
>>> f.close()
workfile contains C3 A4 C3 B6 C3 BC
So the Unicode string (myustring) does indeed try to convert to ASCII when
written to file. But not when just printed.
It seems really strange that non-Unicode strings (mystring) should actually be
more flexible than Unicode strings...
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue20686>
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