class HeroSetFeatureExtractor(object):
"""Extracts features related to a set of heros."""
def __init__(self):
super(HeroSetFeatureExtractor, self).__init__()
self.hfe = HeroFeatureExtractor()
def extract(self, heroes):
hero_features = [self.hfe.extract(hero) for hero in heroes]
features = list()
for values in zip(*hero_features):
features.append(sum(values))
features.append(max(values))
features.append(min(values))
features.append(numpy.median(values))
features.append(numpy.prod(values))
return features
def extractFeatureNames(self):
feature_names = list()
for feature_name in self.hfe.extractFeatureNames():
fxns = ["sum", "max", "min", "median", "product"]
for fxn in fxns:
feature_names.append("%s_%s" % (fxn, feature_name))
return feature_names
class TestHeroFeatureExtractor(unittest2.TestCase):
def setUp(self):
self.hfe = HeroFeatureExtractor()
def test_output(self):
output = dict()
for name, value in zip(self.hfe.extractFeatureNames(),
self.hfe.extract("Abaddon")):
output[name] = value
self.assertEqual(len(self.hfe.extractFeatureNames()),
len(self.hfe.extract("Abaddon")))
self.assertEqual(output["STR"], 23)
self.assertEqual(output["STR+"], 2.7)
self.assertEqual(output["HP/S"], 0.25)
self.assertEqual(output["LVL 25"], 216)
self.assertEqual(output["FARM PRIORITY"], 0.088)
def setUp(self):
self.hfe = HeroFeatureExtractor()
def __init__(self):
super(HeroSetFeatureExtractor, self).__init__()
self.hfe = HeroFeatureExtractor()
