def signature_handler()

in generate-data.py [0:0]


    def signature_handler(json):
        for signature in json["facets"]["signature"]:
            signatures[signature["term"]] = [signature["count"], 0, 0, 0, 0, 0]

            for platform in signature["facets"]["platform"]:
                if platform["term"] == "Linux":
                    signatures[signature["term"]][3] = platform["count"]
                elif platform["term"] == "Windows NT":
                    signatures[signature["term"]][1] = platform["count"]
                elif platform["term"] == "Mac OS X":
                    signatures[signature["term"]][2] = platform["count"]

            for startup_crash in signature["facets"]["startup_crash"]:
                if startup_crash["term"] in ["1", "T"]:
                    signatures[signature["term"]][4] += startup_crash["count"]

            signatures[signature["term"]][5] = signature["facets"][
                "cardinality_install_time"
            ]["value"]