STINNER Victor <[email protected]> added the comment:
I patched import.c to use repr() instead of str() (%R instead of %U) to format
module names because they might contain surrogate characters. Surrogate
characters are not encodable to any encoding, except UTF-16 and UTF-32. And so
print an exception to stdout may produce an UnicodeEncodeError. At the same
time... exceptions are printed to stderr which uses the backslashreplace error
handler, and so the message *can* be printed:
$ python3.1
>>> raise Exception('x\uDC80y')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
Exception: x\udc80y
So now I realized that my change was maybe useless.
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assignee: haypo -> eric.araujo
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Python tracker <[email protected]>
<http://bugs.python.org/issue8754>
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