Luke Stedman wrote:
Hey guys,
I have been banging my head against this issue for the past hour or so.
I have taken on a legacy system built around Python scripts and the
MSXML parser, I am currently in the process of cleaning up the XSL's -
as part of this exercise I have moved a number of variable
declarations that are use as global constants and moved them to an
external dtd file, and have come across a strange issue.
When the dtd's are defined in the XSL file:
<!DOCTYPE xsl:stylesheet [
<!ENTITY SYSTEM "./det_1.dtd">
<!ENTITY SYSTEM "./det_2.dtd">
]>
The MSXML parser fails and gives the following error (The MSXML Parser
is being accessed via win32com):
File "C:\Python25\Lib\site-packages
\win32com\client\dynamic.py", line 538,
in __setattr__ self._oleobj_.Invoke(entry.dispid, 0, invoke_type, 0, value)
pywintypes.com_error: (-2147352567, 'Exception occurred.', (0,
u'msxml3.dll', u'The stylesheet does not contain a document element.
The stylesheet may be empty, or it may not be a well-formed XML
document.\r\n', None, 0, -2147467259), None)
When I remove the DOCTYPE section the parser loads the XSL's fine but
error's when it comes across an unreferenced entity.
Any pointers/advice would be extremely helpful.
As mentioned above I have inherited this system and am looking to move
it to something more reliable and, preferably, native to Python -
Amara is the current favourite.
I think that this will be to do with a lack of a definition for the
'xsl:' prefix used in the DOCTYPE declaration.
But I'm not sure.
I'm mainly chipping in to say that I've found libxml2 + libxslt to work
very well with Python (although not natively). It's reliable, well
tested, fast, and easy to use...
Ronan
--
Ronan Klyne
Business Collaborator Developer
Tel: +44 01189 028518
ronan(_dot_)klyne(_at_)groupbc(_dot_)com
www.groupbc.com
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