justindex 0.1.0

nltk.util.Index in a standalone package.

# pip install justindex
# >>> from justindex import index

>>> index((len(s), s) for s in 'a b'.split())
defaultdict(<class 'list'>, {1: ['a', 'b']})
>>> index((len(s), s) for s in ''.split())
defaultdict(<class 'list'>, {})
>>> sorted(index((len(s), s) for s in 'a b cc'.split()).items())
[(1, ['a', 'b']), (2, ['cc'])]