models.py 文件源码

def getMonthName(self):
        '''
        This exists as a separate method because sometimes events should really
        belong to more than one month (e.g. class series that persist over multiple months).
        '''
        class_counter = Counter([(x.startTime.year, x.startTime.month) for x in self.eventoccurrence_set.all()])
        multiclass_months = [x[0] for x in class_counter.items() if x[1] > 1]
        all_months = [x[0] for x in class_counter.items()]

        if multiclass_months:
            multiclass_months.sort()
            return '/'.join([month_name[x[1]] for x in multiclass_months])

        else:
            return month_name[min(all_months)[1]]