akvo.rsr.models.tree.errors module

exception akvo.rsr.models.tree.errors.NodeIsSame[source]

Bases: ValueError

The provided node is equal

exception akvo.rsr.models.tree.errors.NodesWillBeOrphaned[source]

Bases: TreeWillBreak

An action on a tree node will orphan its descendants

exception akvo.rsr.models.tree.errors.ParentIsSame[source]

Bases: ValueError

The new parent is the same as the old parent

exception akvo.rsr.models.tree.errors.TreeWillBreak[source]

Bases: Exception

Basically a warning raised when an action is being taken that will break a hierarchy/tree