If you are interested in aggregating their google page rank you can look at my code here: https://github.com/databigbang/enriching-a-list-of-urls-with... using http://www.schurpf.com/google-pagerank-python/
Also, if you want to aggregate its related twitter, blogs, etc you can also look at https://github.com/srw/discovering-web-resources for a simple multithreaded crawler.
Related articles:
- http://blog.databigbang.com/automated-discovery-of-blog-feed...
- http://blog.databigbang.com/enriching-a-list-of-urls-with-go...
Hope it helps!