Module pywander.algorithm.graph.exceptions

Classes

class AdditionError (*args, **kwargs)

Expand source code

class AdditionError(GraphError):
    """
    This error is raised when trying to add a node or edge already added
    to the graph or digraph.
    """
    pass

This error is raised when trying to add a node or edge already added to the graph or digraph.

Ancestors

• GraphError
• builtins.Exception
• builtins.BaseException

class GraphError (*args, **kwargs)

Expand source code

class GraphError(Exception):
    """
    A base-class for the various kinds of errors that occur in the the graph class.
    """
    pass

A base-class for the various kinds of errors that occur in the the graph class.

Ancestors

• builtins.Exception
• builtins.BaseException

Subclasses

• AdditionError
• NotAcyclicError

class NotAcyclicError (*args, **kwargs)

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class NotAcyclicError(GraphError):
    """
    not acyclic graph error
    """
    pass

not acyclic graph error

Ancestors

• GraphError
• builtins.Exception
• builtins.BaseException