#!/usr/bin/env python
from tools.load import LoadMatrix
from numpy import random
lm=LoadMatrix()

ground_truth = lm.load_labels('../data/label_train_twoclass.dat')
random.seed(17)
predicted = random.randn(len(ground_truth))

parameter_list = [[ground_truth,predicted]]

def evaluation_director_contingencytableevaluation_modular (ground_truth, predicted):
	try:
		from shogun.Evaluation import DirectorContingencyTableEvaluation, ED_MAXIMIZE
	except ImportError:
		print "recompile shogun with --enable-swig-directors"
		return

	class SimpleWeightedBinaryEvaluator(DirectorContingencyTableEvaluation):
		def __init__(self):
			DirectorContingencyTableEvaluation.__init__(self)
		def get_custom_direction(self):
			return ED_MAXIMIZE
		def get_custom_score(self):
			return self.get_WRACC()+self.get_BAL()

	from shogun.Features import BinaryLabels

	evaluator = SimpleWeightedBinaryEvaluator()
	r = evaluator.evaluate(BinaryLabels(ground_truth), BinaryLabels(predicted))
	r2 = evaluator.get_custom_score()
	print r,r2

	return r,r2

if __name__=='__main__':
	print('EvaluationDirectorContingencyTableEvaluation')
	evaluation_director_contingencytableevaluation_modular(*parameter_list[0])

