Python Materials Genomics (pymatgen): A robust, open-source python library for materials analysis

► Python Materials Genomics (pymatgen) is a robust, open-source library for materials analysis. ► Well-tested set of structure and thermodynamic analyses relevant to many applications. ► Open platform for researchers to collaboratively develop sophisticated analyses of materials. ► Convenient tools to obtain useful materials data via the Materials Project's RESTful API. ► Evaluated phase and electrochemical stability of recently synthesized material Li4SnS4.