+ envoy
+ progressbar
+ sklearn 0.17
+ Cython

python setup.py install

The data format is tab separated user-item-rating score
    <user>\t<item>\t<rating>
For one class collaborative filtering, the rating is 1
Also, the different delimiter can be used by defining a custom parser or passind delim in UserItemRatingParser.

Please refer lrec.ipynb for step by step guide to run the code. The sample dataset(lastFM) is included in the data folder.