Package nltk_lite :: Package contrib :: Module tree :: Class _AbstractElement

Class _AbstractElement

etree.ElementTree._ElementInterface --+
                                      |
                                     _AbstractElement

Known Subclasses:: _AbstractParentedElement

An abstract base class for Elements.

Adds original NLTK functionality.

Instance Methods

[hide private]

__repr__(self)

source code

__getitem__(self, index)

source code

__setitem__(self, index, value)

source code

__delitem__(self, index)

source code

list

leaves(self)
Returns: a list containing this tree's leaves.

source code

flatten(self)

source code

int

height(self)
Returns: The height of this tree.

source code

treepositions(self, order='preorder') source code

productions(self)

source code

subtrees(self, filter=None)
Generate all the subtrees of this tree, optionally restricted to trees matching the filter function.

source code

copy(self, deep=True)

source code

freeze(self, leaf_freezer=None)

source code

Inherited from etree.ElementTree._ElementInterface: __delslice__, __getslice__, __init__, __len__, __setslice__, append, clear, find, findall, findtext, get, getchildren, getiterator, insert, items, keys, makeelement, remove, set

Class Variables

[hide private]

Inherited from etree.ElementTree._ElementInterface: attrib, tag, tail, text

Method Details

[hide private]

Returns: list: a list containing this tree's leaves.

height(self)

source code

Returns: int: The height of this tree. The height of a tree containing no children is 1; the height of a tree containing only leaves is 2; and the height of any other tree is one plus the maximum of its children's heights.

Class _AbstractElement

__repr__(self) (Representation operator)

__getitem__(self, index) (Indexing operator)

__setitem__(self, index, value) (Index assignment operator)

__delitem__(self, index) (Index deletion operator)

leaves(self)

height(self)

repr(self)
(Representation operator)

getitem(self, index)
(Indexing operator)

setitem(self, index, value)
(Index assignment operator)

delitem(self, index)
(Index deletion operator)