def derive(info, rFilename, sFilename, tFilename1):
print 'derive'
if "geshi" in info:
tFilename2 = tFilename1[:-len(".metrics.json")]+".tokens.json"
print "Process " + rFilename + " for GeSHi code " + info["geshi"] + "."
command = "php " + os.path.join(os.path.dirname(__file__), 'helper.php') + " \"" + sFilename + "\" \"" + tFilename1 + "\" \"" + tFilename2 + "\" \"" + info["geshi"] + "\" " + info["relevance"]
(status, output) = tools101.run(command)
# Result aggregation
result = dict()
result["geshicode"] = info["geshi"]
result["command"] = command
result["status"] = status
result["output"] = output
else:
default = const101.noMetrics()
default["relevance"] = info["relevance"]
json.dump(default, open(tFilename1, 'w'))
result = dict()
result["status"] = 0
return result
