# -*- coding: utf-8 -*-
"""
treebeard.exceptions
--------------------
Exceptions
:copyright: 2008 by Gustavo Picon
:license: Apache License 2.0
"""
class InvalidPosition(Exception):
"""
Raised when passing an invalid pos value
"""
class InvalidMoveToDescendant(Exception):
"""
Raised when attemping to move a node to one of it's descendants.
"""
class MissingNodeOrderBy(Exception):
"""
Raised when an operation needs a missing
:attr:`~treebeard.MP_Node.node_order_by` attribute
"""
class PathOverflow(Exception):
"""
Raised when trying to add or move a node to a position where no more nodes
can be added (see :attr:`~treebeard.MP_Node.path` and
:attr:`~treebeard.MP_Node.alphabet` for more info)
"""
