Andreas Jung wrote:
Hi,
the XMLParser.parseString() method raises an exception
File "/opt/python-2.4.4/lib/python2.4/unittest.py", line 260, in run
testMethod()
File
"/Users/ajung_data/sandboxes/Zope/Zope/lib/python/zope/tal/tests/test_xmlparser.py",
line 127, in test_xx
self._run_check(xml, ())
File
"/Users/ajung_data/sandboxes/Zope/Zope/lib/python/zope/tal/tests/test_xmlparser.py",
line 106, in _run_check
parser.parseString(source)
File
"/Users/ajung_data/sandboxes/Zope/Zope/lib/python/zope/tal/xmlparser.py",
line 77, in parseString
self.parser.Parse(s, 1)
UnicodeEncodeError: 'ascii' codec can't encode characters in position
43-48: ordinal not in range(128)
if the string to be parsed is a unicode strings and contains some non-ascii
chars. The following snippet from a private unittest (test_xmlparsers.py)
shows the error.
def test_xx(self):
xml = unicode('<?xml version="1.0"
encoding="utf-8"?><foo>üöä</foo>', 'iso-8859-15')
self._run_check(xml, ())
I am not sure if this behavior is intentional?! Is the XMLParser supposed
to deal with unicode strings or will it only accept a standard Python
string?
Traditionally, you parse an 8bit string, figure out its encoding (e.g.
from <?xml encoding="utf-8"?> and return some representation of that XML
with unicode data. That's why it's actually quite ok for XML parsers to
only accept string data.
With ZPTs it's a bit different: When editing ZPTs TTW for example, we
like to store its source in unicode. So it makes sense for us to be able
to parse unicode input as XML.
A workaround inside parseString() would to check for unicode
and convert the string on-the-fly to a Python string with utf-8 encoding.
This is possibly a limitation of the underlying Expat parser...any
recommendation how to deal with this issue?
Fixed it in 3.3 and trunk. If you had given me a bit more time, this
could even have been in 2.10.2b :). Oh well, I guess that's what 2.10.2
will be for ;)
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