For Python it doesn't get easier than Whoosh (https://pypi.python.org/pypi/Whoosh https://pypi.python.org/pypi/Whoosh). Both indexing and searching are done in

For Python it doesn't get easier than Whoosh (https://pypi.python.org/pypi/Whoosh https://pypi.python.org/pypi/Whoosh). Both indexing and searching are done in Python, no need for external services or processes. Features are limited and performance won't be the best, but sometimes ease of use and maintenance are all you need.