def __next__(self):
for item in self.iterator:
obj = self.cls.get(debyte_string(item))
if self.matches_filters(obj):
return obj
raise StopIteration
def test_delete_index(nrm):
ship = Ship(code='A12').save()
assert debyte_string(nrm.redis.hget('ship:index_code', 'A12')) == ship.id
ship.delete()
assert not nrm.redis.hexists('ship:index_code', 'A12')
def test_update_changes_index(nrm):
ship = Ship(code='THECODE').save()
ship.update(code='NEWCODE')
assert ship.code == 'NEWCODE'
assert debyte_string(nrm.redis.hget('ship:index_code', 'NEWCODE')) == ship.id
assert nrm.redis.hget('ship:index_code', 'THECODE') is None
def test_update_keep_index(nrm):
ship = Ship(name='the ship', code='TS').save()
ship.update(name='updated name')
assert ship.code == 'TS'
assert ship.name == 'updated name'
assert debyte_string(nrm.redis.hget('ship:index_code', 'TS')) == ship.id
def get_by(cls, field, value):
''' Tries to retrieve an isinstance of this model from the database
given a value for a defined index. Return None in case of failure '''
redis = cls.get_redis()
key = cls.cls_key() + ':index_' + field
id = redis.hget(key, value)
if id:
return cls.get(debyte_string(id))
return None