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Vocabulary management for NLP in Python.

Project description

Documentation Status

Vocab is a python package that provides vocabulary objects for natural language processing.


pip install vocab
pip install git+


>>> from vocab import Vocab, UnkVocab
>>> v = Vocab()
>>> v.word2index('hello', train=True)
>>> v.word2index(['hello', 'world'], train=True)
[0, 1]
>>> v.index2word([1, 0])
['world', 'hello']
>>> v.index2word(1)
>>> small = v.prune_by_count(2)
>>> small.to_dict()
{'counts': {'hello': 2}, 'index2word': ['hello']}
>>> u = UnkVocab()
>>> u.word2index(['hello', 'world'], train=True)
[1, 2]
>>> u.word2index('hello friend !'.split())
[1, 0, 0]
>>> u.index2word(0)

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