Package nltk :: Package wordnet :: Module dictionary :: Class Dictionary

Class Dictionary

object --+
         |
        Dictionary

A Dictionary contains all the Words in a given part of speech. Four dictionaries, bound to N, V, ADJ, and ADV, are bound by default in __init.py__.

Indexing a dictionary by a string retrieves the word named by that string, e.g. dict['dog']. Indexing by an integer n retrieves the nth word, e.g. dict[0]. Access by an arbitrary integer is very slow except in the special case where the words are accessed sequentially; this is to support the use of dictionaries as the range of a for statement and as the sequence argument to map and filter.

>>> N['dog']
dog(n.)

Instance Methods

[hide private]

__init__(self, pos, filenameroot)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature

source code

load(self)

source code

__repr__(self)
repr(x)

source code

getWord(*args, **kwargs)

source code

word(self, form, line=None)
Returns: The Word object with the supplied form, if present.

source code

getSynset(*args, **kwargs)

source code

synset(self, offset)
Returns: The relevant Synset, if present.

source code

_buildIndexCacheFile(self)

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__nonzero__(self)

source code

__len__(self)
Return the number of index entries.

source code

__getslice__(self, a, b)

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__getitem__(self, index)
If index is a String, return the Word whose form is index.

source code

__iter__(self)

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__contains__(self, item)

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get(self, key, default=None)
Return the Word whose form is key, or default.

source code

keys(self)
Returns: A sorted list of strings that index words in this dictionary.

source code

has_key(self, form)
Checks if the supplied argument is an index into this dictionary.

source code

_testKeys(self)

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Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __str__

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self, pos, filenameroot)
(Constructor)

source code

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Parameters:

pos (string) - This Dictionary's part of speech ('noun', 'verb' etc.)
filenameroot (string) - filename of the relevant Wordnet dictionary file

Overrides: object.__init__

repr(self)
(Representation operator)

source code

repr(x)

Overrides: object.__repr__: (inherited documentation)

getWord(*args, **kwargs)

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Decorators:

@deprecated("Use Dictionary.word() instead.")

Deprecated: Use Dictionary.word() instead.

word(self, form, line=None)

source code

Parameters:

form (string) - word string e.g, 'dog'
line (string) - appropriate line sourced from the index file (optional)

Returns:

The Word object with the supplied form, if present.

getSynset(*args, **kwargs)

source code

Decorators:

@deprecated("Use Dictionary.word() instead.")

Deprecated: Use Dictionary.word() instead.

synset(self, offset)

source code

Parameters:

offset (int) - integer offset into a Wordnet file, at which the desired Synset can be found.

Returns:

The relevant Synset, if present.

len(self)
(Length operator)

source code

Return the number of index entries.

>>> len(ADJ)
21435

getitem(self, index)
(Indexing operator)

source code

If index is a String, return the Word whose form is index. If index is an integer n, return the Word indexed by the n'th Word in the Index file.

>>> N['dog']
dog(n.)
>>> N[0]
'hood(n.)

get(self, key, default=None)

source code

Return the Word whose form is key, or default.

>>> N.get('dog')
dog(n.)

Parameters:

key (string) - the string form of a Word e.g. 'dog'
default (Word) - An optional Word to return if no entry can be found with the supplied key.

Returns:

The Word whose form is given by 'key'

keys(self)

source code

Returns:: A sorted list of strings that index words in this dictionary.

has_key(self, form)

source code

Checks if the supplied argument is an index into this dictionary.

>>> N.has_key('dog')
1
>>> N.has_key('inu')
0

Parameters:

form (string) - a word string e.g. 'dog'

Returns:

true iff the argument indexes a word in this dictionary.

Class Dictionary

__init__(self, pos, filenameroot) (Constructor)

__repr__(self) (Representation operator)

getWord(*args, **kwargs)

word(self, form, line=None)

getSynset(*args, **kwargs)

synset(self, offset)

__len__(self) (Length operator)

__getitem__(self, index) (Indexing operator)

get(self, key, default=None)

keys(self)

has_key(self, form)

init(self, pos, filenameroot)
(Constructor)

repr(self)
(Representation operator)

len(self)
(Length operator)

getitem(self, index)
(Indexing operator)