Whoosh is a fast, featureful full-text indexing and searching library implemented in pure Python.
Some of Whoosh's features include:
* Pythonic API.
* Pure-Python. No compilation or binary
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packages needed, no mysterious crashes.
* Fielded indexing and search.
* Fast indexing and retrieval -- much faster than any other pure-Python solution.
* Pluggable scoring algorithm (including BM25F), text analysis, storage, posting format, etc.
* Powerful query language parsed by pyparsing.
* Pure Python spell-checker. [Less]