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CaboCha output-XML accessor

Project description

Parse XMLs from CaboCha and provides simple tree accessors.


Expected usages are focused on chunk surfaces and dependency links:

>>> aisansan = xmlpumpkin.parse_to_tree(
...     u'愛燦々とこの身に降って心密かなうれしい涙を流したりして'
... )
>>> len(aisansan.chunks)
>>> print(aisansan.root.surface)
>>> print(aisansan.root.func_surface)
>>> for dep in aisansan.root.linked:
...     print(dep.surface)

You need CaboCha in your path, or shortly with prepared XML:

>>> tree = xmlpumpkin.Tree(xml_as_unicode)

Should you need an easy interface from Python to CaboCha:

>>> from xmlpumpkin import cabocha
>>> print(cabocha.txttree(
...     u'愛燦々とこの身に降って心密かなうれしい涙を流したりして'
... ))
          この-D |
            心密かな---D |
              うれしい-D |
>>> print(cabocha.as_xml(
...     u'愛燦々とこの身に降って心密かなうれしい涙を流したりして'
... ))

All I/Os are unicodes! If encodings other than UTF-8 is preferred, directly modify following constants:

>>> import xmlpumpkin.runner
>>> xmlpumpkin.runner.CABOCHA_ENCODING = 'SJIS'
>>> import xmlpumpkin.tree
>>> xmlpumpkin.tree.XML_ENCODING = 'SJIS'


Not enough but a few properties are provided via Tree and Chunk objects.

class xmlpumpkin.Tree(cabocha_xml)
  • chunks - tuple of chunks
  • root - root (not depending on any chunks) Chunk object
  • chunk_by_id(chunk_id) - get Chunk object by its id generated by CaboCha
  • _element - origin XML as lxml Element object
class xmlpumpkin.Chunk(element, parent)
  • id - chunk id
  • link_to_id - its depending chunk id
  • linked_from_ids - tuple of chunk id depending to this chunk
  • func_id - functional token id of this chunk
  • dep - its depending Chunk object
  • linked - list of all Chunk objects depending to this chunk
  • surface - surface of this chunk
  • func_surface - surface of this chunk’s functional token
  • _tokens() - its containing tokens as lxml Element objects

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