Get the list of Groups (by dn) that the bound CSH LDAP member object
        is in.

def groups(self):
        """Get the list of Groups (by dn) that the bound CSH LDAP member object
        is in.
        """
        group_list = []
        all_groups = self.get('memberof')
        for group_dn in all_groups:
            if self.__ldap_group_ou__ in group_dn:
                group_list.append(group_dn)

        return group_list