Source code for sqlalchemy_utils.types.country

import six
from sqlalchemy import types

from ..primitives import Country
from .scalar_coercible import ScalarCoercible


[docs]class CountryType(types.TypeDecorator, ScalarCoercible): """ Changes :class:`.Country` objects to a string representation on the way in and changes them back to :class:`.Country objects on the way out. In order to use CountryType you need to install Babel_ first. .. _Babel: http://babel.pocoo.org/ :: from sqlalchemy_utils import CountryType, Country class User(Base): __tablename__ = 'user' id = sa.Column(sa.Integer, autoincrement=True) name = sa.Column(sa.Unicode(255)) country = sa.Column(CountryType) user = User() user.country = Country('FI') session.add(user) session.commit() user.country # Country('FI') user.country.name # Finland print user.country # Finland CountryType is scalar coercible:: user.country = 'US' user.country # Country('US') """ impl = types.String(2) python_type = Country def process_bind_param(self, value, dialect): if isinstance(value, Country): return value.code if isinstance(value, six.string_types): return value def process_result_value(self, value, dialect): if value is not None: return Country(value) def _coerce(self, value): if value is not None and not isinstance(value, Country): return Country(value) return value