full-text search solution I know of.
* Pluggable scoring algorithm (including BM25F), text analysis, storage,
-* Powerful query language
parsed by pyparsing.
+* Powerful query language.
* Pure Python spell-checker (as far as I know, the only one).
Whoosh might be useful in the following circumstances:
The ``procs`` parameter to :meth:`whoosh.index.Index.writer` controls the
number of processors the writer will use for the indexing pool (via the