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Exceptions

knowledgecomplex.exceptions — Public exception types.

These are the only knowledgecomplex types that cross the API boundary on failure.

ValidationError

Bases: Exception

Raised when a SHACL validation check fails on write.

Attributes:

Name Type Description
report str

Human-readable SHACL validation report text.
Source code in knowledgecomplex/exceptions.py 
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class ValidationError(Exception):
    """
    Raised when a SHACL validation check fails on write.

    Attributes
    ----------
    report : str
        Human-readable SHACL validation report text.
    """

    def __init__(self, message: str, report: str) -> None:
        super().__init__(message)
        self.report = report

    def __str__(self) -> str:
        return f"{super().__str__()}\n\nSHACL Report:\n{self.report}"

UnknownQueryError

Bases: Exception

Raised when KnowledgeComplex.query() is called with an unregistered template name.

Source code in knowledgecomplex/exceptions.py 
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class UnknownQueryError(Exception):
    """
    Raised when KnowledgeComplex.query() is called with an unregistered template name.
    """
    pass

SchemaError

Bases: Exception

Raised when a SchemaBuilder method is called with invalid arguments, e.g. referencing an undefined type.

Source code in knowledgecomplex/exceptions.py 
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class SchemaError(Exception):
    """
    Raised when a SchemaBuilder method is called with invalid arguments,
    e.g. referencing an undefined type.
    """
    pass