[issue29809] TypeError in traceback.print_exc - unicode does not have the buffer interface

[Jason R. Coombs]

Jason R. Coombs added the comment:

As a workaround, I wrapped BytesIO thus and it works for our needs.

class LenientIO(io.BytesIO):
    """
    A version of BytesIO that can accept unicode or
    bytes. See http://bugs.python.org/issue29809
    """
    def write(self, value):
        if isinstance(value, six.text_type):
            value = value.encode('utf-8')
        super(LenientIO, self).write(value)


I'll recommend we close as wontfix, given the limited impact, unless it's demonstrated elsewhere.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29809>
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