owlapy.parser

String to OWL parsers.

Attributes

`MANCHESTER_GRAMMAR`
`DL_GRAMMAR`
`DLparser`
`ManchesterParser`

Classes

`ManchesterOWLSyntaxParser`	Manchester Syntax parser to parse strings to OWLClassExpressions.
`DLSyntaxParser`	Description Logic Syntax parser to parse strings to OWLClassExpressions.

Functions

`dl_to_owl_expression`(dl_expression, namespace)
`manchester_to_owl_expression`(manchester_expression, ...)

Module Contents

owlapy.parser.MANCHESTER_GRAMMAR

class owlapy.parser.ManchesterOWLSyntaxParser(namespace: str | owlapy.namespaces.Namespaces | None = None, grammar=None)[source]

Bases: parsimonious.nodes.NodeVisitor, owlapy.owl_object.OWLObjectParser

Manchester Syntax parser to parse strings to OWLClassExpressions. Following: https://www.w3.org/TR/owl2-manchester-syntax.

slots = ('ns', 'grammar')

ns: str | owlapy.namespaces.Namespaces | None

grammar = None

parse_expression(expression_str: str) → owlapy.class_expression.OWLClassExpression[source]

Parse a string to an OWL Object.

Parameters:: expression_str (str) – Expression string.
Returns:: The OWL Object which is represented by the string.

visit_union(node, children) → owlapy.class_expression.OWLClassExpression[source]

visit_intersection(node, children) → owlapy.class_expression.OWLClassExpression[source]

visit_primary(node, children) → owlapy.class_expression.OWLClassExpression[source]

visit_some_only_res(node, children) → owlapy.class_expression.OWLQuantifiedObjectRestriction[source]

visit_cardinality_res(node, children) → owlapy.class_expression.OWLObjectCardinalityRestriction[source]

visit_value_res(node, children) → owlapy.class_expression.OWLObjectHasValue[source]

visit_has_self(node, children) → owlapy.class_expression.OWLObjectHasSelf[source]

visit_object_property(node, children) → owlapy.owl_property.OWLObjectPropertyExpression[source]

visit_class_expression(node, children) → owlapy.class_expression.OWLClassExpression[source]

visit_individual_list(node, children) → owlapy.class_expression.OWLObjectOneOf[source]

visit_data_primary(node, children) → owlapy.owl_data_ranges.OWLDataRange[source]

visit_data_some_only_res(node, children) → owlapy.class_expression.OWLQuantifiedDataRestriction[source]

visit_data_cardinality_res(node, children) → owlapy.class_expression.OWLDataCardinalityRestriction[source]

visit_data_value_res(node, children) → owlapy.class_expression.OWLDataHasValue[source]

visit_data_union(node, children) → owlapy.owl_data_ranges.OWLDataRange[source]

visit_data_intersection(node, children) → owlapy.owl_data_ranges.OWLDataRange[source]

visit_literal_list(node, children) → owlapy.class_expression.OWLDataOneOf[source]

visit_data_parentheses(node, children) → owlapy.owl_data_ranges.OWLDataRange[source]

visit_datatype_restriction(node, children) → owlapy.class_expression.OWLDatatypeRestriction[source]

visit_facet_restrictions(node, children) → List[owlapy.class_expression.OWLFacetRestriction][source]

visit_facet_restriction(node, children) → owlapy.class_expression.OWLFacetRestriction[source]

visit_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_typed_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

abstract visit_string_literal_language(node, children)[source]

visit_string_literal_no_language(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_quoted_string(node, children) → str[source]

visit_float_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_decimal_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_integer_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_boolean_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_datetime_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_duration_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_date_literal(node, children) → owlapy.owl_literal.OWLLiteral[source]

visit_non_negative_integer(node, children) → int[source]

visit_datatype_iri(node, children) → str[source]

visit_datatype(node, children) → owlapy.owl_datatype.OWLDatatype[source]

visit_facet(node, children) → owlapy.vocab.OWLFacet[source]

visit_class_iri(node, children) → owlapy.class_expression.OWLClass[source]

visit_individual_iri(node, children) → owlapy.owl_individual.OWLNamedIndividual[source]

visit_object_property_iri(node, children) → owlapy.owl_property.OWLObjectProperty[source]

visit_data_property_iri(node, children) → owlapy.owl_property.OWLDataProperty[source]

visit_iri(node, children) → owlapy.iri.IRI[source]

visit_full_iri(node, children) → owlapy.iri.IRI[source]

abstract visit_abbreviated_iri(node, children)[source]

visit_simple_iri(node, children) → owlapy.iri.IRI[source]

visit_parentheses(node, children) → owlapy.class_expression.OWLClassExpression[source]

generic_visit(node, children)[source]

Default visitor method

Parameters:

node – The node we’re visiting
visited_children – The results of visiting the children of that node, in a list

I’m not sure there’s an implementation of this that makes sense across all (or even most) use cases, so we leave it to subclasses to implement for now.

owlapy.parser.DL_GRAMMAR

class owlapy.parser.DLSyntaxParser(namespace: str | owlapy.namespaces.Namespaces | None = None, grammar=None)[source]