def normalize(self):
if self.first_year is not None:
if self.last_year is not None:
self.total_years = self.last_year - self.first_year
else:
self.total_years = utils.getCurrentYear() - self.first_year
return MetadataBase.normalize(self)
def addYearsActive(self, years):
if self.first_year is None or years['start'] < self.first_year:
self.first_year = years['start']
if 'end' in years:
self.breaking_years += years['end'] - years['start']
if self.last_year is None or years['end'] > self.last_year:
self.last_year = years['end']
else:
self.breaking_years += utils.getCurrentYear() - years['start']
