Hello,
The easiest way to save the ontology is to provide an absolute path, for example:
onto.save(file = "E:/your/path/policy.owl") # For windows
onto_path expects local directory names, not URI, so you need to use :
onto_path.append("E:/Dropbox/1.GSSI Courses/3.Project_Code/vocabularies/Paper2_Vocab/")
Best regards,
Jean-Baptiste Lamy
MCF, LIMICS, Université Paris 13
> Hi Jean-Baptiste Lamy,
>
> This is my code to load an ontology and when i am trying to save the
> ontology it raise error.
> from owlready2 import *
> """
> import types
> onto_path.append("file://E:/Dropbox/1.GSSI
> Courses/3.Project_Code/vocabularies/Paper2_Vocab/")
> onto = get_ontology("file://E:/Dropbox/1.GSSI
> Courses/3.Project_Code/vocabularies/Paper2_Vocab/A1_vocabulary.owl")
> onto.load()
>
> print (onto.hasRole)
> print(list(onto.classes()))
> print(onto.Object.hasCategory)
> onto.save()
> onto.save(file = "/policy.owl", format = "rdfxml")
> """
>
> ERROR:
>
> Traceback (most recent call last):
> File "C:\Desktop\Python_scripts\ontology_loading.py", line 20, in <module>
> onto.save()
> File "C:\python3.5\lib\site-packages\owlready2\namespace.py", line 514, in
> save
> file = _open_onto_file(self.base_iri, self.name, "wb")
> File "C:\python3.5\lib\site-packages\owlready2\namespace.py", line 726, in
> _open_onto_file
> if (mode.startswith("w")): return open(os.path.join(onto_path[0],
> "%s.owl" % name), mode)
> OSError: [Errno 22] Invalid argument: 'file://E:/Dropbox/1.GSSI
> Courses/3.Project_Code/vocabularies/Paper2_Vocab/A1_vocabulary.owl'
>
> Can you please help me how can i save changes in existing ontology and also
> how can i save in rdfxml format.
>
> Thanks
> Irfan Khan Tanoli
>
>
>
>
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