def __init__(self, shape):
super(ClosedConstraintComponent, self).__init__(shape)
sg = self.shape.sg.graph
closed_vals = list(self.shape.objects(SH_closed))
if len(closed_vals) < 1:
raise ConstraintLoadError(
"ClosedConstraintComponent must have at least one sh:closed predicate.",
"https://www.w3.org/TR/shacl/#ClosedConstraintComponent")
elif len(closed_vals) > 1:
raise ConstraintLoadError(
"ClosedConstraintComponent must have at most one sh:closed predicate.",
"https://www.w3.org/TR/shacl/#ClosedConstraintComponent")
assert isinstance(
closed_vals[0],
rdflib.Literal), "sh:closed must take a xsd:boolean literal."
self.is_closed = bool(closed_vals[0].value)
ignored_vals = list(self.shape.objects(SH_ignoredProperties))
self.ignored_props = set()
for i in ignored_vals:
try:
items = set(sg.items(i))
for list_item in items:
self.ignored_props.add(list_item)
except ValueError:
continue
self.property_shapes = list(self.shape.objects(SH_property))
def _find_custom_constraints(self):
g = self.graph
constraint_component_set = set(
g.subjects(RDF_type, SH_ConstraintComponent))
constraint_subclasses = set(
g.subjects(RDFS_subClassOf, SH_ConstraintComponent))
for sc in iter(constraint_subclasses):
subclass_components = set(g.subjects(RDF_type, sc))
constraint_component_set.update(subclass_components)
components = set()
for c in iter(constraint_component_set):
optional_params = []
mandatory_params = []
param_nodes = set(g.objects(c, SH_parameter))
if len(param_nodes) < 1:
raise ConstraintLoadError(
"A sh:ConstraintComponent must have at least one value for sh:parameter",
"https://www.w3.org/TR/shacl/#constraint-components-parameters"
)
for p in iter(param_nodes):
path_nodes = set(g.objects(p, SH_path))
if len(path_nodes) < 1:
raise ConstraintLoadError(
"A sh:ConstraintComponent parameter value must have at least one value for sh:path",
"https://www.w3.org/TR/shacl/#constraint-components-parameters"
)
elif len(path_nodes) > 1:
raise ConstraintLoadError(
"A sh:ConstraintComponent parameter value must have at most one value for sh:path",
"https://www.w3.org/TR/shacl/#constraint-components-parameters"
)
path = next(iter(path_nodes))
is_optional = False
optional = set(g.objects(p, SH_optional))
for o in iter(optional):
if not (isinstance(o, rdflib.Literal)
and isinstance(o.value, bool)):
raise ConstraintLoadError(
"A sh:Parameter value for sh:optional must be a valid RDF Literal of type xsd:boolean.",
"https://www.w3.org/TR/shacl/#constraint-components-parameters"
)
is_optional = o.value
parameter = Shape(self,
p=True,
node=p,
path=path,
logger=self.logger)
if is_optional:
optional_params.append(parameter)
else:
mandatory_params.append(parameter)
if len(mandatory_params) < 1:
raise ConstraintLoadError(
"A sh:ConstraintComponent must have at least one non-optional parameter.",
"https://www.w3.org/TR/shacl/#constraint-components-parameters"
)
component = SPARQLConstraintComponent(self, c, mandatory_params,
optional_params)
components.add(component)
return components
def apply_to_shape_via_constraint(
self, constraint, shape, **kwargs) -> BoundShapeValidatorComponent:
"""
Create a new Custom Constraint (BoundShapeValidatorComponent)
:param constraint:
:type constraint: SPARQLConstraintComponent
:param shape:
:type shape: pyshacl.shape.Shape
:param kwargs:
:return:
"""
must_be_ask_val = kwargs.pop('must_be_ask_val', False)
if must_be_ask_val and not (isinstance(self, AskConstraintValidator)):
# TODO:coverage: No test for this case, do we need to test this?
raise ConstraintLoadError(
"Validator not for NodeShape or a PropertyShape must be of type SPARQLAskValidator.",
"https://www.w3.org/TR/shacl/#ConstraintComponent",
)
must_be_select_val = kwargs.pop('must_be_select_val', False)
if must_be_select_val and not (isinstance(self,
SelectConstraintValidator)):
# TODO:coverage: No test for this case, do we need to test this?
raise ConstraintLoadError(
"Validator for a NodeShape or a PropertyShape must be of type SPARQLSelectValidator.",
"https://www.w3.org/TR/shacl/#ConstraintComponent",
)
return BoundShapeValidatorComponent(constraint, shape, self)
def __init__(self, shape):
super(UniqueLangConstraintComponent, self).__init__(shape)
self.allow_multi_rules = False
is_unique_lang = set(self.shape.objects(SH_uniqueLang))
if len(is_unique_lang) < 1:
raise ConstraintLoadError(
"UniqueLangConstraintComponent must have at least one sh:uniqueLang predicate.",
"https://www.w3.org/TR/shacl/#UniqueLangConstraintComponent")
elif len(is_unique_lang) > 1:
raise ConstraintLoadError(
"UniqueLangConstraintComponent must have at most one sh:uniqueLang predicate.",
"https://www.w3.org/TR/shacl/#UniqueLangConstraintComponent")
if not shape.is_property_shape:
raise ConstraintLoadError(
"UniqueLangConstraintComponent can only be present on a PropertyShape, not a NodeShape.",
"https://www.w3.org/TR/shacl/#UniqueLangConstraintComponent")
is_unique_lang = next(iter(is_unique_lang))
try:
assert isinstance(is_unique_lang, rdflib.Literal)
assert isinstance(is_unique_lang.value, bool)
except (AssertionError, AttributeError):
raise ConstraintLoadError(
"UniqueLangConstraintComponent must have an RDF Literal of type boolean as its sh:uniqueLang.",
"https://www.w3.org/TR/shacl/#UniqueLangConstraintComponent")
self.string_rules = {is_unique_lang.value}
def __init__(self, shape):
super(MinCountConstraintComponent, self).__init__(shape)
min_count = list(self.shape.objects(SH_minCount))
if len(min_count) < 1:
raise ConstraintLoadError(
"MinCountConstraintComponent must have at least one sh:minCount predicate.",
"https://www.w3.org/TR/shacl/#MinCountConstraintComponent",
)
if len(min_count) > 1:
raise ConstraintLoadError(
"MinCountConstraintComponent must have at most one sh:minCount predicate.",
"https://www.w3.org/TR/shacl/#MinCountConstraintComponent",
)
if not shape.is_property_shape:
raise ConstraintLoadError(
"MinCountConstraintComponent can only be present on a PropertyShape, not a NodeShape.",
"https://www.w3.org/TR/shacl/#MinCountConstraintComponent",
)
self.min_count = min_count[0]
if not (isinstance(self.min_count, Literal) and self.min_count.datatype == XSD_integer):
raise ConstraintLoadError(
"MinCountConstraintComponent sh:minCount must be a literal with datatype xsd:integer.",
"https://www.w3.org/TR/shacl/#MinCountConstraintComponent",
)
if int(self.min_count.value) < 0:
raise ConstraintLoadError(
"MinCountConstraintComponent sh:minCount must be an integer >= 0.",
"https://www.w3.org/TR/shacl/#MinCountConstraintComponent",
)
def __init__(self, shape):
super(QualifiedValueShapeConstraintComponent, self).__init__(shape)
if not shape.is_property_shape:
# Note, this no longer throws an error, this constraint is simply ignored on NodeShapes.
raise ConstraintLoadWarning(
"QualifiedValueShapeConstraintComponent can only be present on a PropertyShape, not a NodeShape.",
"https://www.w3.org/TR/shacl/#QualifiedValueShapeConstraintComponent"
)
value_shapes = set(self.shape.objects(SH_qualifiedValueShape))
if len(value_shapes) < 1:
raise ConstraintLoadError(
"QualifiedValueShapeConstraintComponent must have at least one sh:qualifiedValueShape predicate.",
"https://www.w3.org/TR/shacl/#QualifiedValueShapeConstraintComponent"
)
self.value_shapes = value_shapes
min_count = set(self.shape.objects(SH_qualifiedMinCount))
if len(min_count) < 1:
min_count = None
elif len(min_count) > 1:
raise ConstraintLoadError(
"QualifiedMinCountConstraintComponent must have at most one sh:qualifiedMinCount predicate.",
"https://www.w3.org/TR/shacl/#QualifiedValueShapeConstraintComponent"
)
else:
min_count = next(iter(min_count))
assert isinstance(min_count, rdflib.Literal) and isinstance(
min_count.value, int)
min_count = min_count.value
max_count = set(self.shape.objects(SH_qualifiedMaxCount))
if len(max_count) < 1:
max_count = None
elif len(max_count) > 1:
raise ConstraintLoadError(
"QualifiedMaxCountConstraintComponent must have at most one sh:qualifiedMaxCount predicate.",
"https://www.w3.org/TR/shacl/#QualifiedValueShapeConstraintComponent"
)
else:
max_count = next(iter(max_count))
assert isinstance(max_count, rdflib.Literal) and isinstance(
max_count.value, int)
max_count = max_count.value
if min_count is None and max_count is None:
raise ConstraintLoadError(
"QualifiedValueShapeConstraintComponent must have at lease one sh:qualifiedMinCount or "
"sh:qualifiedMaxCount",
"https://www.w3.org/TR/shacl/#QualifiedValueShapeConstraintComponent"
)
is_disjoint = False
disjoint_nodes = set(
self.shape.objects(SH_qualifiedValueShapesDisjoint))
for d in disjoint_nodes:
if isinstance(d, rdflib.Literal):
if isinstance(d.value, bool):
is_disjoint = is_disjoint or d.value
self.min_count = min_count
self.max_count = max_count
self.is_disjoint = is_disjoint
def collect_prefixes(self):
sg = self.shape.sg.graph
prefixes_vals = set(sg.objects(self.node, SH_prefixes))
if len(prefixes_vals) < 1:
return
named_graph = sg.identifier
if named_graph:
ng_declares = set(sg.objects(named_graph, SH_declare))
else:
ng_declares = set()
onts = set(sg.subjects(RDF_type, OWL_Ontology))
ont_declares = set()
for o in onts:
ont_declares.update(set(sg.objects(o, SH_declare)))
global_declares = ng_declares.union(ont_declares)
for prefixes_val in iter(prefixes_vals):
pfx_declares = set(sg.objects(prefixes_val, SH_declare))
all_declares = global_declares.union(pfx_declares)
for dec in iter(all_declares):
if isinstance(dec, rdflib.Literal):
raise ConstraintLoadError(
"sh:declare value must be either a URIRef or a BNode.",
"https://www.w3.org/TR/shacl/#sparql-prefixes",
)
prefix_vals = set(sg.objects(dec, SH_prefix))
if len(prefix_vals) < 1 or len(prefix_vals) > 1:
raise ConstraintLoadError(
"sh:declare must have exactly one sh:prefix predicate.",
"https://www.w3.org/TR/shacl/#sparql-prefixes",
)
prefix = next(iter(prefix_vals))
if not (isinstance(prefix, rdflib.Literal)
and isinstance(prefix.value, str)):
raise ConstraintLoadError(
"sh:prefix value must be an RDF Literal with type xsd:string.",
"https://www.w3.org/TR/shacl/#sparql-prefixes",
)
prefix = str(prefix.value)
namespace_vals = set(sg.objects(dec, SH_namespace))
if len(namespace_vals) < 1 or len(namespace_vals) > 1:
raise ConstraintLoadError(
"sh:declare must have exactly one sh:namespace predicate.",
"https://www.w3.org/TR/shacl/#sparql-prefixes",
)
namespace = next(iter(namespace_vals))
if not (isinstance(namespace, rdflib.Literal)
and namespace.datatype == XSD.anyURI):
raise ConstraintLoadError(
"sh:namespace value must be an RDF Literal with type xsd:anyURI.",
"https://www.w3.org/TR/shacl/#sparql-prefixes",
)
namespace = rdflib.URIRef(str(namespace.value))
self.prefixes[prefix] = namespace
def __init__(self, shape):
super(DatatypeConstraintComponent, self).__init__(shape)
datatype_rules = list(self.shape.objects(SH_datatype))
if len(datatype_rules) < 1:
raise ConstraintLoadError(
"DatatypeConstraintComponent must have at least one sh:datatype predicate.",
"https://www.w3.org/TR/shacl/#DatatypeConstraintComponent")
elif len(datatype_rules) > 1:
raise ConstraintLoadError(
"DatatypeConstraintComponent must have at most one sh:datatype predicate.",
"https://www.w3.org/TR/shacl/#DatatypeConstraintComponent")
self.datatype_rule = datatype_rules[0]
def __init__(self, shape):
super(LessThanConstraintComponent, self).__init__(shape)
property_compare_set = set(self.shape.objects(SH_lessThan))
if len(property_compare_set) < 1:
raise ConstraintLoadError(
"LessThanConstraintComponent must have at least one sh:lessThan predicate.",
"https://www.w3.org/TR/shacl/#LessThanConstraintComponent")
if not shape.is_property_shape:
raise ConstraintLoadError(
"LessThanConstraintComponent can only be present on a PropertyShape, not a NodeShape.",
"https://www.w3.org/TR/shacl/#LessThanConstraintComponent")
self.property_compare_set = property_compare_set
def __init__(self, shape):
super(InConstraintComponent, self).__init__(shape)
in_vals = list(self.shape.objects(SH_in))
if len(in_vals) < 1:
raise ConstraintLoadError(
"InConstraintComponent must have at least one sh:in predicate.",
"https://www.w3.org/TR/shacl/#InConstraintComponent")
elif len(in_vals) > 1:
raise ConstraintLoadError(
"InConstraintComponent must have at most one sh:in predicate.",
"https://www.w3.org/TR/shacl/#InConstraintComponent")
self.in_list = in_vals[0]
def apply_to_shape_via_constraint(self, constraint, shape, **kwargs):
"""
:param constraint:
:type constraint: SPARQLConstraintComponent
:param shape:
:type shape: pyshacl.shape.Shape
:param kwargs:
:return:
"""
must_be_ask_val = kwargs.pop('must_be_ask_val', False)
if must_be_ask_val and not (isinstance(self, AskConstraintValidator)):
# TODO:coverage: No test for this case, do we need to test this?
raise ConstraintLoadError(
"Validator not for NodeShape or a PropertyShape must be of type SPARQLAskValidator.",
"https://www.w3.org/TR/shacl/#ConstraintComponent",
)
must_be_select_val = kwargs.pop('must_be_select_val', False)
if must_be_select_val and not (isinstance(self,
SelectConstraintValidator)):
# TODO:coverage: No test for this case, do we need to test this?
raise ConstraintLoadError(
"Validator for a NodeShape or a PropertyShape must be of type SPARQLSelectValidator.",
"https://www.w3.org/TR/shacl/#ConstraintComponent",
)
bind_map = {}
for m in constraint.mandatory_parameters:
name = constraint.parameter_name(m)
if name in invalid_parameter_names:
# TODO:coverage: No test for this case
raise ReportableRuntimeError(
"Parameter name {} cannot be used.".format(name))
shape_params = set(shape.objects(m.path()))
if len(shape_params) < 1:
# TODO:coverage: No test for this case
raise ReportableRuntimeError(
"Shape does not have mandatory parameter {}.".format(
str(m.path())))
# TODO: Can shapes have more than one value for the predicate?
# Just use one for now.
bind_map[name] = next(iter(shape_params))
for o in constraint.optional_parameters:
name = constraint.parameter_name(o)
if name in invalid_parameter_names:
# TODO:coverage: No test for this case
raise ReportableRuntimeError(
"Parameter name {} cannot be used.".format(name))
shape_params = set(shape.objects(o.path()))
if len(shape_params) > 0:
# TODO: Can shapes have more than one value for the predicate?
# Just use one for now.
bind_map[name] = next(iter(shape_params))
return BoundShapeValidatorComponent(constraint, shape, self, bind_map)
def __init__(self, shape):
super(NotConstraintComponent, self).__init__(shape)
not_list = list(self.shape.objects(SH_not))
if len(not_list) < 1:
raise ConstraintLoadError(
"NotConstraintComponent must have at least one sh:not predicate.",
"https://www.w3.org/TR/shacl/#NotConstraintComponent")
if len(not_list) > 1:
raise ConstraintLoadError(
"NotConstraintComponent must have at most one sh:not predicate.",
"https://www.w3.org/TR/shacl/#NotConstraintComponent")
self.not_list = not_list
def __init__(self, shape):
super(NodeKindConstraintComponent, self).__init__(shape)
nodekind_rules = list(self.shape.objects(SH_nodeKind))
if len(nodekind_rules) < 1:
raise ConstraintLoadError(
"NodeKindConstraintComponent must have at least one sh:nodeKind predicate.",
"https://www.w3.org/TR/shacl/#NodeKindConstraintComponent")
elif len(nodekind_rules) > 1:
raise ConstraintLoadError(
"NodeKindConstraintComponent must have at most one sh:nodeKind predicate.",
"https://www.w3.org/TR/shacl/#NodeKindConstraintComponent")
self.nodekind_rule = nodekind_rules[0]
def __init__(self, shape):
super(MinLengthConstraintComponent, self).__init__(shape)
self.allow_multi_rules = False
patterns_found = list(self.shape.objects(SH_minLength))
if len(patterns_found) < 1:
raise ConstraintLoadError(
"MinLengthConstraintComponent must have at least one sh:minLength predicate.",
"https://www.w3.org/TR/shacl/#MinLengthConstraintComponent")
elif len(patterns_found) > 1:
raise ConstraintLoadError(
"MinLengthConstraintComponent must have at most one sh:minLength predicate.",
"https://www.w3.org/TR/shacl/#MinLengthConstraintComponent")
self.string_rules = patterns_found
def __init__(self, shape):
super(LanguageInConstraintComponent, self).__init__(shape)
self.allow_multi_rules = False
language_ins_found = list(self.shape.objects(SH_languageIn))
if len(language_ins_found) < 1:
raise ConstraintLoadError(
"LanguageInConstraintComponent must have at least one sh:languageIn predicate.",
"https://www.w3.org/TR/shacl/#LanguageInConstraintComponent")
elif len(language_ins_found) > 1:
raise ConstraintLoadError(
"LanguageInConstraintComponent must have at most one sh:languageIn predicate.",
"https://www.w3.org/TR/shacl/#LanguageInConstraintComponent")
self.string_rules = language_ins_found
def __init__(self, shapes_graph: 'ShapesGraph', node):
super(JSConstraintImpl, self).__init__(shapes_graph, node)
msgs_iter = shapes_graph.objects(node, SH_message)
self.messages = []
for m in msgs_iter:
if not isinstance(m, Literal):
raise ConstraintLoadError(
"JSConstraint sh:message must be a RDF Literal.",
"https://www.w3.org/TR/shacl-js/#js-constraints",
)
if not isinstance(m.value, str):
raise ConstraintLoadError(
"JSConstraint sh:message must be a RDF Literal with type string.",
"https://www.w3.org/TR/shacl-js/#js-constraints",
)
self.messages.append(m)
def __init__(self, shacl_graph, node, *args, **kwargs):
super(SelectConstraintValidator,
self).__init__(shacl_graph, node, **kwargs)
g = shacl_graph.graph
select_vals = set(g.objects(node, SH_select))
if len(select_vals) < 1 or len(select_vals) > 1:
raise ConstraintLoadError(
"SelectValidator must have exactly one value for sh:select.",
"https://www.w3.org/TR/shacl/#ConstraintComponent")
select_val = next(iter(select_vals))
if not (isinstance(select_val, rdflib.Literal)
and isinstance(select_val.value, str)):
raise ConstraintLoadError(
"SelectValidator sh:select must be an RDF Literal of type xsd:string.",
"https://www.w3.org/TR/shacl/#ConstraintComponent")
self.query_text = select_val.value
def make_validator_for_shape(self, shape: 'Shape'):
"""
:param shape:
:type shape: Shape
:return:
"""
val_count = len(self.validators)
node_val_count = len(self.node_validators)
prop_val_count = len(self.property_validators)
must_be_select_val = False
must_be_ask_val = False
if shape.is_property_shape and prop_val_count > 0:
validator_node = next(iter(self.property_validators))
must_be_select_val = True
elif (not shape.is_property_shape) and node_val_count > 0:
validator_node = next(iter(self.node_validators))
must_be_select_val = True
elif val_count > 0:
validator_node = next(iter(self.validators))
must_be_ask_val = True
else:
raise ConstraintLoadError(
"Cannot select a validator to use, according to the rules.",
"https://www.w3.org/TR/shacl/#constraint-components-validators",
)
validator = SPARQLConstraintComponentValidator(self.sg, validator_node)
applied_validator = validator.apply_to_shape_via_constraint(
self,
shape,
must_be_ask_val=must_be_ask_val,
must_be_select_val=must_be_select_val)
return applied_validator
def __new__(cls, shacl_graph: 'ShapesGraph', node, *args, **kwargs):
cache_key = (id(shacl_graph.graph), str(node))
found_in_cache = cls.validator_cache.get(cache_key, False)
if found_in_cache:
return found_in_cache
sg = shacl_graph.graph
type_vals = set(sg.objects(node, RDF_type))
validator_type: Union[Type[SelectConstraintValidator],
Type[AskConstraintValidator], None] = None
if len(type_vals) > 0:
if SH_SPARQLSelectValidator in type_vals:
validator_type = SelectConstraintValidator
elif SH_SPARQLAskValidator in type_vals:
validator_type = AskConstraintValidator
if not validator_type:
sel_nodes = set(sg.objects(node, SH_select))
if len(sel_nodes) > 0:
# TODO:coverage: No test for this case
validator_type = SelectConstraintValidator
if not validator_type:
ask_nodes = set(sg.objects(node, SH_ask))
if len(ask_nodes) > 0:
validator_type = AskConstraintValidator
if not validator_type:
# TODO:coverage: No test for this case
raise ConstraintLoadError(
"Validator must be of type sh:SPARQLSelectValidator or sh:SPARQLAskValidator and must have either a sh:select or a sh:ask predicate.",
"https://www.w3.org/TR/shacl/#ConstraintComponent",
)
validator = validator_type(shacl_graph, node, *args, **kwargs)
cls.validator_cache[cache_key] = validator
return validator
def __init__(self, shape):
super(XoneConstraintComponent, self).__init__(shape)
xone_nodes = list(self.shape.objects(SH_xone))
if len(xone_nodes) < 1:
raise ConstraintLoadError(
"XoneConstraintComponent must have at least one sh:xone predicate.",
"https://www.w3.org/TR/shacl/#XoneConstraintComponent")
self.xone_nodes = xone_nodes
def __init__(self, shape: 'Shape'):
super(ExpressionConstraint, self).__init__(shape)
self.expr_nodes = list(self.shape.objects(SH_expression))
if len(self.expr_nodes) < 1:
raise ConstraintLoadError(
"ExpressionConstraintComponent must have at least one sh:expression predicate.",
"https://www.w3.org/TR/shacl-af/#ExpressionConstraintComponent",
)
def __init__(self, shape):
super(DisjointConstraintComponent, self).__init__(shape)
property_compare_set = set(self.shape.objects(SH_disjoint))
if len(property_compare_set) < 1:
raise ConstraintLoadError(
"DisjointConstraintComponent must have at least one sh:disjoint predicate.",
"https://www.w3.org/TR/shacl/#DisjointConstraintComponent")
self.property_compare_set = property_compare_set
def __init__(self, shape):
super(PropertyConstraintComponent, self).__init__(shape)
property_shapes = list(self.shape.objects(SH_property))
if len(property_shapes) < 1:
raise ConstraintLoadError(
"PropertyConstraintComponent must have at least one sh:property predicate.",
"https://www.w3.org/TR/shacl/#PropertyConstraintComponent")
self.property_shapes = property_shapes
def __init__(self, shape):
super(HasValueConstraintComponent, self).__init__(shape)
has_value_set = set(self.shape.objects(SH_hasValue))
if len(has_value_set) < 1:
raise ConstraintLoadError(
"HasValueConstraintComponent must have at least one sh:hasValue predicate.",
"https://www.w3.org/TR/shacl/#HasValueConstraintComponent")
self.has_value_set = has_value_set
def __init__(self, shape):
super(ClassConstraintComponent, self).__init__(shape)
class_rules = list(self.shape.objects(SH_class))
if len(class_rules) < 1:
raise ConstraintLoadError(
"ClassConstraintComponent must have at least one sh:class predicate.",
"https://www.w3.org/TR/shacl/#ClassConstraintComponent")
self.class_rules = class_rules
def __init__(self, shape):
super(OrConstraintComponent, self).__init__(shape)
or_list = list(self.shape.objects(SH_or))
if len(or_list) < 1:
raise ConstraintLoadError(
"OrConstraintComponent must have at least one sh:or predicate.",
"https://www.w3.org/TR/shacl/#OrConstraintComponent")
self.or_list = or_list
def __init__(self, shape):
super(MaxInclusiveConstraintComponent, self).__init__(shape)
max_vals = list(self.shape.objects(SH_maxInclusive))
if len(max_vals) < 1:
raise ConstraintLoadError(
"MaxInclusiveConstraintComponent must have at least one sh:minInclusive predicate.",
"https://www.w3.org/TR/shacl/#MaxInclusiveConstraintComponent")
self.max_vals = max_vals
def __init__(self, shape):
super(AndConstraintComponent, self).__init__(shape)
and_list = list(self.shape.objects(SH_and))
if len(and_list) < 1:
raise ConstraintLoadError(
"AndConstraintComponent must have at least one sh:and predicate.",
"https://www.w3.org/TR/shacl/#AndConstraintComponent")
self.and_list = and_list
def __init__(self, shape):
super(NodeShapeComponent, self).__init__(shape)
node_shapes = list(self.shape.objects(SH_node))
if len(node_shapes) < 1:
raise ConstraintLoadError(
"NodeShapeComponent must have at least one sh:node predicate.",
"https://www.w3.org/TR/shacl/#NodeShapeComponent")
self.node_shapes = node_shapes
def __init__(self, shacl_graph, node, *args, **kwargs):
super(AskConstraintValidator, self).__init__(shacl_graph, node,
**kwargs)
g = shacl_graph.graph
ask_vals = set(g.objects(node, SH_ask))
if len(ask_vals) < 1 or len(ask_vals) > 1:
# TODO:coverage: No test for this case
raise ConstraintLoadError(
"AskValidator must have exactly one value for sh:ask.",
"https://www.w3.org/TR/shacl/#ConstraintComponent")
ask_val = next(iter(ask_vals))
if not (isinstance(ask_val, rdflib.Literal)
and isinstance(ask_val.value, str)):
# TODO:coverage: No test for this case
raise ConstraintLoadError(
"AskValidator sh:ask must be an RDF Literal of type xsd:string.",
"https://www.w3.org/TR/shacl/#ConstraintComponent")
self.query_text = ask_val.value
