def _get__data_sources_names(self):
        names = []
        for name in self.data_sources:
            try:
                self.data_sources[name] + 1
                names.append(name)
            except __HOLE__:
                pass
        names.sort()
        return names

    # Dictionnary mapping the views
dataset/ETHPy150Open enthought/mayavi/mayavi/tools/data_wizards/data_source_wizard.py/DataSourceWizard._get__data_sources_names