Attributes with range xsd:dateTime do not work
Closed this issue · 2 comments
kysrpex commented
An example ontology where this bug happens is https://github.com/stream-project/ontology/blob/master/MatVoc-Core.ttl.
Warning: the data type properties in the ontology are not correctly defined. In order to use the ontology with OSP-core, it is necessary to change the capitalization at the end of the file (DataTypeProperty -> DatatypeProperty).
:hasRawValue rdf:type owl:DataTypeProperty;
owl:equivalentProperty oboe:hasCode ;
rdfs:domain oboe:MeasuredValue .
:startedAt rdf:type owl:DataTypeProperty;
rdfs:domain :Run ;
rdfs:range xsd:dateTime .
:fisnishedAt rdf:type owl:DataTypeProperty;
rdfs:domain :Run ;
rdfs:range xsd:dateTime .
OSP-core returns None when the attribute is accessed instead of an OntologyAttribute.
In [1]: from osp.core.namespaces import mvc
In [2]: run = mvc.Run()
In [3]: run.startedAt
In [4]: type(run.startedAt)
Out[4]: NoneType
In [6]: type(run.fisnishedAt)
Out[6]: NoneTypeEdit: the above is not a problem.
kysrpex commented
@yzuuang I implemented the following in PR #722.
from osp.core.namespaces import mvc
from datetime import datetime
from osp.core.utils import export_cuds
run = mvc.Run()
run.startedAt = datetime(2020, 8, 10)
print(type(run.startedAt), run.startedAt)
export_cuds(run.session, './session.ttl')
<class 'datetime.datetime'> 2020-08-10 00:00:00session.ttl
@prefix ns1: <http://stream-ontology.com/matvoc-core/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
<http://www.osp-core.com/cuds#727a4ddd-997f-402b-a85c-be4d287aa5a3> a ns1:Run ;
ns1:startedAt "2020-08-10T00:00:00"^^xsd:dateTime .Is this solution acceptable for you?