def clean(self, value, record, config):
value = super(CountryProperty, self).clean(value, record, config)
return parse_country(value) or value
def normalize_value(self, value):
return parse_country(value)
def add_country(self, country):
country = parse_country(country)
if country is None:
return
if is_country_code(country) and country not in self._countries:
self._countries.append(country)