def __init__(self):
self.__obj_parameter = ParameterText()
self.__contribution_positive = 0
self.__contribution_negative = 0
self.__number_elements_positive = 0
self.__number_elements_negative = 0
self.__result = 0
self.__label = ''
class Classifier(object):
''' Clase encargada de clasificar un comentario como positivo, negativo o neutro '''
def __init__(self):
self.__obj_parameter = ParameterText()
self.__contribution_positive = 0
self.__contribution_negative = 0
self.__number_elements_positive = 0
self.__number_elements_negative = 0
self.__result = 0
self.__label = ''
def classify(self, comment, type_option='1'):
''' Clasifica un comentario de acuerdo a la opcion elegida'''
opt = Option()
self.__obj_parameter.evaluate(comment)
self.__contribution_positive = self.__obj_parameter.get_contribution_positive()
self.__contribution_negative = self.__obj_parameter.get_contribution_negative()
# Eliminamos la data pasada
self.__obj_parameter.clean_data()
self.__result = self.calculate_value(self.__contribution_positive, self.__contribution_negative)
if type_option == '1': self.__label = opt.option1(self.__result)
elif type_option == '2': self.__label = opt.option2(self.__result)
elif type_option == '3': self.__label = opt.option3(self.__result)
else: self.__label = opt.option4(self.__result)
#print self.__label
def get_contribution_positive(self):
return self.__contribution_positive
def get_contribution_negative(self):
return self.__contribution_negative
def get_score(self):
return self.__result
def get_label(self):
return self.__label
def calculate_value(self, positive, negative):
''' Calcula el score'''
dif = positive + negative
summ = positive - negative
if summ == 0: return 0
result = 0.0
result = dif/float(summ)
return result
