[xml] libxml2 SAX python interface: Bug with Python3

Dear all,

when using the libxml2 interface via xml.sax in Python3, I get an
exception concerning str vs bytes. Please see the following minimal example:

Python 3.2.5 (default, Aug 26 2013, 21:33:16)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
import xml.sax
from io import BytesIO
saxparser = xml.sax.make_parser(["drv_libxml2"])
source = xml.sax.xmlreader.InputSource()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python3.2/site-packages/drv_libxml2.py", line 223, in
    eltName = _d(reader.Name())
  File "/usr/lib64/python3.2/site-packages/drv_libxml2.py", line 70, in _d
    return _decoder(s)[0]
  File "/usr/lib64/python3.2/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
TypeError: 'str' does not support the buffer interface

A quick look reveals, that all(?) the reader.…()-calls already return an
encoded string and hence this _d() is moot. But I don't know which side
needs to be fixed.


P.S.: Please put me on CC on replies, I'm not subscribed.

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