def isWriteable():
        """
        Get the read/write status of the mailbox.

        @rtype: L{int}
        @return: A true value if write permission is allowed, a false value
            otherwise.
        """

        Get the read/write status of the mailbox.

        @rtype: L{int}
        @return: A true value if write permission is allowed, a false value
            otherwise.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/mail/interfaces.py