This is a fast and memory efficient loader (and dumper...) for the svmlight / libsvm sparse data file format in Python.
To install for all users on Unix/Linux:
python setup.py build sudo python setup.py install
The projects follows the same API as scikit-learn:
http://scikit-learn.org/dev/datasets/index.html#datasets-in-svmlight-libsvm-format
Unsupported features: multilabel, query_id, reading from file objects.
Public datasets in svmlight / libsvm format available at http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/
Simple BSD.
Mathieu Blondel and Lars Buitinck