Method lock

Lib/mailbox.py:1170–1175

Lock the mailbox.

(self)

                pass

    def lock(self):
        """Lock the mailbox."""
        if not self._locked:
            self._file = self._open_mh_sequences_file(text=False)
            _lock_file(self._file)
            self._locked = True

    def unlock(self):
        """Unlock the mailbox if it is locked."""