32 lines
768 B
Python
32 lines
768 B
Python
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"""Treebeard exceptions"""
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class InvalidPosition(Exception):
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"""Raised when passing an invalid pos value"""
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class InvalidMoveToDescendant(Exception):
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"""Raised when attempting to move a node to one of it's descendants."""
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class NodeAlreadySaved(Exception):
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"""
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Raised when attempting to add a node which is already saved to the
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database.
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"""
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class MissingNodeOrderBy(Exception):
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"""
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Raised when an operation needs a missing
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:attr:`~treebeard.MP_Node.node_order_by` attribute
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"""
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class PathOverflow(Exception):
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"""
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Raised when trying to add or move a node to a position where no more nodes
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can be added (see :attr:`~treebeard.MP_Node.path` and
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:attr:`~treebeard.MP_Node.alphabet` for more info)
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"""
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