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Exceptions.
Classes | |
GraphError A base-class for the various kinds of errors that occur in the the python-graph class. |
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AdditionError This error is raised when trying to add a node or edge already added to the graph or digraph. |
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NodeUnreachable Goal could not be reached from start. |
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InvalidGraphType Invalid graph type. |
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AlgorithmError A base-class for the various kinds of errors that occur in the the algorithms package. |
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NegativeWeightCycleError Algorithms like the Bellman-Ford algorithm can detect and raise an exception when they encounter a negative weight cycle. |
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