Initial commit

env/lib/python3.10/site-packages/treebeard/exceptions.py

@@ -0,0 +1,31 @@
+"""Treebeard exceptions"""
+
+
+class InvalidPosition(Exception):
+    """Raised when passing an invalid pos value"""
+
+
+class InvalidMoveToDescendant(Exception):
+    """Raised when attempting to move a node to one of it's descendants."""
+
+
+class NodeAlreadySaved(Exception):
+    """
+    Raised when attempting to add a node which is already saved to the
+    database.
+    """
+
+
+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)
+    """