Method __len__

Lib/mailbox.py:1145–1147

Return a count of messages in the mailbox.

(self)

        return os.path.exists(os.path.join(self._path, str(key)))

    def __len__(self):
        """Return a count of messages in the mailbox."""
        return len(list(self.iterkeys()))

    def _open_mh_sequences_file(self, text):
        mode = '' if text else 'b'