def list(self, site=None):
        raise NotImplementedError('A shelf connector must implement list.')
Format a message and blindly write to self._file.
dataset/ETHPy150Open willowtreeapps/tango-core/tango/shelf.py/BaseConnector.list--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/_mboxMMDF._install_message