web mining module for Python 3

 Pattern is a web mining module for the Python programming language. It has
 tools for data mining (Google, Twitter and Wikipedia API, a web crawler,
 a HTML DOM parser), natural language processing (part-of-speech taggers,
 n-gram search, sentiment analysis, WordNet), machine learning (vector space
 model, clustering, SVM), network analysis and <canvas> visualization.
 .
 The module is free, well-document and bundled with 50+ examples and
 350+ unit tests.