import jarray import sys import java.io.File as javaFile import java.lang.Class as javaClass import java.lang.ClassLoader as javaClassLoader import java.lang.String as javaString import java.net.URL as javaURL import java.net.URLClassLoader as javaURLClassLoader pathToJar = sys.argv[1] jarURL = javaFile(pathToJar).toURL() systemClassLoader = javaClassLoader.getSystemClassLoader() parametersArray = jarray.array([javaURL], javaClass) print "parametersArray is of type: %s" % type(parametersArray) method = javaURLClassLoader.getDeclaredMethod('addURL', parametersArray) print "method is of type: %s" % type(method)