def load (self, cpf):
'''
Get a Person from the database based on its cpf.
@param self: The Person DAO object instance.
@param cpf: The cpf.
@return: The Person object instance or None if no Person with this CPF is found.
'''
if cpf in self.__db:
person_data = self.__db[cpf]
person_obj = Person (person_data[_NAME_KEY], person_data.id)
[person_obj.addAllowedRoom(room) for room in person_data[_ALLOWED_ROOMS_KEY]]
for id_data in person_data[_IDENTIFICATIONS_KEY]:
id_obj = Identification.fromDict(id_data)
person_obj.addID(id_obj)
return person_obj
return None
