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Pythonic XML Data Binding Package

Project description

NodeTree provides a clean, modern API for working with XML in Python.

Version 0.3 adds support for XML document parsing:

>>> import nodetree
>>> d = nodetree.Document('<article><p>Pre <b>Bold</b> Post</p></article>')
>>> d
<?xml version="1.0"?>
<article>
  <p>Pre <b>Bold</b> Post</p>
</article>
>>> str(d.root)
'<?xml version="1.0"?>\n<article><p>Pre <b>Bold</b> Post</p></article>\n'
>>> d.root[0]
<p>Pre <b>Bold</b> Post</p>
>>> d.root[0].pop()
' Post'
>>> d.root[0][0] = 'Plain Text vs '
>>> d.root
<article>
  <p>Plain Text vs <b>Bold</b></p>
</article>

XML streams (eg, XMPP) are also now supported with progressive parsing:

>>> import nodetree
>>> s = nodetree.Stream('<stream:stream xmlns="jabber:client" ' +
                        'xmlns:stream="http://etherx.jabber.org/streams">')
>>> s.send('<message><body>Hello, World!</body></message>')
>>> s.root.pop(0)
<message>
  <body>Hello, World!</body>
</message>
>>> s.send('<message><body>This works')
>>> s.root.pop(0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: incomplete branch
>>> s.send(' well</body></message>')
>>> s.root.pop(0)
<message>
  <body>This works well</body>
</message>

This release also adds support for ProcessingInstruction nodes and fixes several bugs regarding XML branch splicing and merging.

Warning

NodeTree is still in early development; this release lacks several basic features and contains known bugs which may render it unsuitable for many applications. Notably, there is currently no access to XML namespaces from Python and no support for CDATA nodes, XPath, or XSLT.

Project details


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