I am nearly there, at least I think so.
class Country_B(Base):
__table__ = sa.Table(u'countries_b', metadata,
sa.Column(u'id', sa.Integer(), sa.Sequence('countries_b_id'),
primary_key=True, nullable=False),
sa.Column(u'iso2', sa.String(length=2, convert_unicode=False)),
sa.Column(u'iso3', sa.String(length=3, convert_unicode=False)),
)
country = sao.dynamic_loader('Country_T',
backref=sao.backref('countries_b', lazy='dynamic'))
ct = session.query(db.Country_B)
for x in ct:
try:
xy =
x.country.filter(db.Country_T.lang_code5==db.getCurrentUserLang()).one()
print 'pref: %s' % xy
print xy.name
except db.sao.exc.NoResultFound:
try:
print 'def: %s' %
x.country.filter(db.Country_T.lang_code5==db.getDefaultUserLang()).one()
except db.sao.exc.NoResultFound:
print 'no translation found'
Now, if I could put this try/except block into the mapper that would be
just perfect.
Is this possible? If not what else could be done?
Werner
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