home *** CD-ROM | disk | FTP | other *** search
-
- class Error(Exception):
- """Base class for rdflib exceptions."""
- def __init__(self, msg=None):
- Exception.__init__(self, msg)
- self.msg = msg
-
-
- class TypeCheckError(Error):
- """Parts of assertions are subject to type checks."""
-
- def __init__(self, node):
- Error.__init__(self, node)
- self.type = type(node)
- self.node = node
-
-
- class SubjectTypeError(TypeCheckError):
- """Subject of an assertion must be an instance of URIRef."""
- def __init__(self, node):
- TypeCheckError.__init__(self, node)
- self.msg = "Subject must be instance of URIRef or BNode: %s(%s)" \
- % (self.node, self.type)
-
-
- class PredicateTypeError(TypeCheckError):
- """Predicate of an assertion must be an instance of URIRef."""
- def __init__(self, node):
- TypeCheckError.__init__(self, node)
- self.msg = "Predicate must be a URIRef instance: %s(%s)" \
- % (self.node, self.type)
-
-
- class ObjectTypeError(TypeCheckError):
- """Object of an assertion must be an instance of URIRef, Literal,
- or BNode."""
- def __init__(self, node):
- TypeCheckError.__init__(self, node)
- self.msg = "Object must be instance of URIRef, Literal, or BNode: %s(%s)" % \
- (self.node, self.type)
-
- class ContextTypeError(TypeCheckError):
- """Context of an assertion must be an instance of URIRef."""
- def __init__(self, node):
- TypeCheckError.__init__(self, node)
- self.msg = "Context must be instance of URIRef or BNode: %s(%s)" \
- % (self.node, self.type)
-
- class ParserError(Error):
- """RDF Parser error."""
- def __init__(self, msg):
- self.msg = msg
-
- def __str__(self):
- return self.msg
-
-
- class UniquenessError(Error) :
- """A uniqueness assumption was made in the context, and that is not true"""
- def __init__(self, values):
- Error.__init__(self, "Uniqueness assumption is not fulfilled. Multiple values are: %s" % values)
-
-
-