scikit-learn/scikit-learn — pull request #878 by larsmans (2012-06-02 11:49:48+00:00)
Title: MRG support opening compressed files in SVMlight reader

Compressed file support for the SVMlight/LibSVM reader; supports gzip and bzip2.

If there are other places where compressed file support is useful, then the `_gen_open` function might be moved to `utils`.