from java.io import FileReader
from weka.core import Instances
from weka.classifiers.trees import J48

from jhplot import Web
xf="iris.arff"
url="https://datamelt.org/examples/data/weka/"+xf
print "Loading ",xf
print Web.get(url)

ifile = FileReader(xf)
data = Instances(ifile)
data.setClassIndex(data.numAttributes() - 1)
j=J48()
j.buildClassifier(data)
print(j)