easygraph.utils.exception module

Exceptions

Base exceptions and errors for EasyGraph.

exception easygraph.utils.exception.EasyGraphError

Bases: EasyGraphException

Exception for a serious error in EasyGraph

exception easygraph.utils.exception.EasyGraphException

Bases: Exception

Base class for exceptions in EasyGraph.

exception easygraph.utils.exception.EasyGraphNotImplemented

Bases: EasyGraphException

Exception raised by algorithms not implemented for a type of graph.

exception easygraph.utils.exception.EasyGraphPointlessConcept

Bases: EasyGraphException

Raised when a null graph is provided as input to an algorithm that cannot use it.

The null graph is sometimes considered a pointless concept [1], thus the name of the exception.

References

[1]

Harary, F. and Read, R. “Is the Null Graph a Pointless Concept?” In Graphs and Combinatorics Conference, George Washington University. New York: Springer-Verlag, 1973.