def open_file(self, filename):

#### EOF ######################################################################
instantiate a UnitOfWork, to decouple services from the GA problem domain
dataset/ETHPy150Open enthought/envisage/envisage/plugins/remote_editor/i_remote_editor.py/IRemoteEditor.open_file--crossover with--dataset/ETHPy150Open ceteri/exelixi/src/uow.py/UnitOfWorkFactory.instantiate_uow