class PropertyClass:
_context: Context
_id: str
_name: str
_ontology_id: str
_superproperties: List[str]
_object: str
_subject: str
_gui_element: str
_gui_attributes: Dict[str, str]
_label: LangString
_comment: LangString
_editable: bool
_linkvalue: bool
_changed: Set[str]
def __init__(self,
con: Connection,
context: Context,
id: Optional[str] = None,
name: Optional[str] = None,
ontology_id: Optional[str] = None,
superproperties: Optional[List[Union['PropertyClass',
str]]] = None,
object: Optional[str] = None,
subject: Optional[str] = None,
gui_element: Optional[str] = None,
gui_attributes: Optional[Dict[str, str]] = None,
label: Optional[Union[LangString, str]] = None,
comment: Optional[Union[LangString, str]] = None,
editable: Optional[bool] = None,
linkvalue: Optional[bool] = None):
if not isinstance(con, Connection):
raise BaseError(
'"con"-parameter must be an instance of Connection')
if not isinstance(context, Context):
raise BaseError(
'"context"-parameter must be an instance of Context')
self.con = con
self._context = context
self._id = id
self._name = name
self._ontology_id = ontology_id
if isinstance(superproperties, PropertyClass):
self._superproperties = list(map(lambda a: a.id, superproperties))
else:
self._superproperties = superproperties
self._object = object
self._subject = subject
self._gui_element = gui_element
self._gui_attributes = gui_attributes
#
# process label
#
if label is not None:
if isinstance(label, str):
self._label = LangString(label)
elif isinstance(label, LangString):
self._label = label
else:
raise BaseError('Invalid LangString for label!')
else:
self._label = None
#
# process comment
#
if comment is not None:
if isinstance(comment, str):
self._comment = LangString(comment)
elif isinstance(comment, LangString):
self._comment = comment
else:
raise BaseError('Invalid LangString for comment!')
else:
self._comment = None
self._editable = editable
self._linkvalue = linkvalue
self._changed = set()
#
# Here follows a list of getters/setters
#
@property
def name(self) -> Optional[str]:
return self._name
@name.setter
def name(self, value: str) -> None:
raise BaseError('"name" cannot be modified!')
@property
def id(self) -> Optional[str]:
return self._id
@id.setter
def id(self, value: str) -> None:
raise BaseError('"id" cannot be modified!')
@property
def ontology_id(self) -> Optional[str]:
return self._ontology_id
@ontology_id.setter
def ontology_id(self, value: str) -> None:
raise BaseError('"ontology_id" cannot be modified!')
@property
def superproperties(self) -> Optional[str]:
return self._superproperties
@superproperties.setter
def superproperties(self, value: str) -> None:
raise BaseError('"superproperties" cannot be modified!')
@property
def object(self) -> Optional[str]:
return self._object
@object.setter
def object(self, value: Any):
raise BaseError('"object" cannot be modified!')
@property
def subject(self) -> Optional[str]:
return self._subject
@subject.setter
def subject(self, value: Any):
raise BaseError('"subject" cannot be modified!')
@property
def gui_element(self) -> Optional[str]:
return self._gui_element
@gui_element.setter
def gui_element(self, value: str) -> None:
self._gui_element = value
self._changed.append('gui_element')
@property
def gui_attributes(self) -> Optional[Dict[str, str]]:
return self._gui_attributes
@gui_attributes.setter
def gui_attributes(self, value: List[Dict[str, str]]) -> None:
self._gui_attributes = value
self._changed.append('gui_attributes')
def addGuiAttribute(self, key: str, value: str) -> None:
self._gui_attributes[key] = value
self._changed.append('gui_attributes')
def rmGuiAttribute(self, key: str) -> None:
if self._gui_attributes.get(key) is not None:
del self._gui_attributes[key]
self._changed.append('gui_attributes')
@property
def label(self) -> Optional[LangString]:
return self._label
@label.setter
def label(self, value: Optional[Union[LangString, str]]) -> None:
if value is None:
self._label.empty() # clear all labels
else:
if isinstance(value, LangString):
self._label = value
elif isinstance(value, str):
self._label = LangString(value)
else:
raise BaseError('Not a valid LangString')
self._changed.add('label')
def addLabel(self, lang: Union[Languages, str], value: str) -> None:
self._label[lang] = value
self._changed.add('label')
def rmLabel(self, lang: Union[Languages, str]) -> None:
del self._label[lang]
self._changed.add('label')
@property
def comment(self) -> Optional[LangString]:
return self._comment
@comment.setter
def comment(self, value: Optional[LangString]) -> None:
if value is None:
self._comment.empty() # clear all comments!
else:
if isinstance(value, LangString):
self._comment = value
elif isinstance(value, str):
self._comment = LangString(value)
else:
raise BaseError('Not a valid LangString')
self._changed.add('comment')
def addComment(self, lang: Union[Languages, str], value: str) -> None:
self._comment[lang] = value
self._changed.add('comment')
def rmComment(self, lang: Union[Languages, str]) -> None:
del self._comment[lang]
self._changed.add('comment')
@property
def editable(self) -> bool:
return self._editable
@editable.setter
def editable(self, value: bool) -> None:
raise BaseError('"editable" cannot be modified!')
@property
def linkvalue(self) -> bool:
return self._linkvalue
@linkvalue.setter
def linkvalue(self) -> None:
raise BaseError('"linkvalue" cannot be modified!')
@classmethod
def fromJsonObj(cls, con: Connection, context: Context,
json_obj: Any) -> Any:
if isinstance(json_obj, list):
json_obj = json_obj[
0] # TODO: Is it possible to have more than one element in the list??
if not isinstance(con, Connection):
raise BaseError(
'"con"-parameter must be an instance of Connection')
if not isinstance(context, Context):
raise BaseError(
'"context"-parameter must be an instance of Context')
rdf = context.prefixFromIri(
"http://www.w3.org/1999/02/22-rdf-syntax-ns#")
rdfs = context.prefixFromIri("http://www.w3.org/2000/01/rdf-schema#")
owl = context.prefixFromIri("http://www.w3.org/2002/07/owl#")
xsd = context.prefixFromIri("http://www.w3.org/2001/XMLSchema#")
knora_api = context.prefixFromIri(
"http://api.knora.org/ontology/knora-api/v2#")
salsah_gui = context.prefixFromIri(
"http://api.knora.org/ontology/salsah-gui/v2#")
if not (json_obj.get(knora_api + ':isResourceProperty')):
raise BaseError("This is not a property!")
if json_obj.get('@id') is None:
raise BaseError('Property class has no "@id"!')
tmp_id = json_obj.get('@id').split(':')
id = context.iriFromPrefix(tmp_id[0]) + '#' + tmp_id[1]
ontology_id = tmp_id[0]
name = tmp_id[1]
superproperties_obj = json_obj.get(rdfs + ':subPropertyOf')
superproperties: List[Union[None, str]]
if not isinstance(superproperties_obj, list):
superproperties_obj = [superproperties_obj
] # make a list out of it
if superproperties_obj is not None:
superprops: List[Any] = list(
filter(lambda a: a.get('@id') is not None,
superproperties_obj))
superproperties = list(map(lambda a: a['@id'], superprops))
else:
superproperties = None
object = WithId(json_obj.get(knora_api + ':objectType')).str()
subject = WithId(json_obj.get(knora_api + ':subjectType')).str()
label = LangString.fromJsonLdObj(json_obj.get(rdfs + ':label'))
comment = LangString.fromJsonLdObj(json_obj.get(rdfs + ':comment'))
gui_element = None
if json_obj.get(salsah_gui + ':guiElement') is not None:
gui_element = WithId(json_obj.get(salsah_gui +
':guiElement')).str()
gui_attributes_list = json_obj.get(salsah_gui + ':guiAttribute')
gui_attributes: Union[None, Dict[str, str]] = None
if gui_attributes_list is not None:
gui_attributes = {}
if not isinstance(gui_attributes_list, list):
gui_attributes_list = [gui_attributes_list]
for ga in gui_attributes_list:
tmp = ga.split('=')
if len(tmp) == 1:
gui_attributes[tmp[0]] = ''
else:
gui_attributes[tmp[0]] = tmp[1]
editable = json_obj.get(knora_api + ':isEditable')
linkvalue = json_obj.get(knora_api + ':isLinkProperty')
return cls(con=con,
context=context,
id=id,
name=name,
ontology_id=ontology_id,
superproperties=superproperties,
object=object,
subject=subject,
gui_element=gui_element,
gui_attributes=gui_attributes,
label=label,
comment=comment,
editable=editable,
linkvalue=linkvalue)
def toJsonObj(self,
lastModificationDate: LastModificationDate,
action: Actions,
what: Optional[str] = None) -> Any:
def resolve_propref(resref: str):
tmp = resref.split(':')
if len(tmp) > 1:
if tmp[0]:
return {
"@id": resref
} # fully qualified name in the form "prefix:name"
else:
return {
"@id":
self._context.prefixFromIri(self._ontology_id) + ':' +
tmp[1]
} # ":name" in current ontology
else:
return {
"@id": "knora-api:" + resref
} # no ":", must be from knora-api!
tmp = {}
exp = re.compile('^http.*') # It is already a fully IRI
if exp.match(self._ontology_id):
propid = self._context.prefixFromIri(
self._ontology_id) + ":" + self._name
ontid = self._ontology_id
else:
propid = self._ontology_id + ":" + self._name
ontid = self._context.iriFromPrefix(self._ontology_id)
if action == Actions.Create:
if self._name is None:
raise BaseError("There must be a valid property class name!")
if self._ontology_id is None:
raise BaseError("There must be a valid ontology_id given!")
if self._superproperties is None:
superproperties = [{"@id": "knora-api:hasValue"}]
else:
superproperties = list(
map(resolve_propref, self._superproperties))
tmp = {
"@id":
ontid, # self._ontology_id,
"@type":
"owl:Ontology",
"knora-api:lastModificationDate":
lastModificationDate.toJsonObj(),
"@graph": [{
"@id": propid,
"@type": "owl:ObjectProperty",
"rdfs:label": self._label.toJsonLdObj(),
"rdfs:subPropertyOf": superproperties
}],
"@context":
self._context.toJsonObj()
}
if self._comment is not None:
if not self._comment.isEmpty():
tmp['@graph'][0][
"rdfs:comment"] = self._comment.toJsonLdObj()
if self._subject is not None:
tmp['@graph'][0]["knora-api:subjectType"] = resolve_propref(
self._subject)
if self._object is not None:
tmp['@graph'][0]["knora-api:objectType"] = resolve_propref(
self._object)
if self._gui_element is not None:
tmp['@graph'][0]["salsah-gui:guiElement"] = {
"@id": self._gui_element
}
if self._gui_attributes:
ga = list(
map(lambda x: x[0] + '=' + str(x[1]),
self._gui_attributes.items()))
tmp['@graph'][0]["salsah-gui:guiAttribute"] = ga
elif action == Actions.Update:
tmp = {
"@id": ontid, # self._ontology_id,
"@type": "owl:Ontology",
"knora-api:lastModificationDate":
lastModificationDate.toJsonObj(),
"@graph": [{
"@id": propid,
"@type": "owl:ObjectProperty",
}],
"@context": self._context.toJsonObj(),
}
if what == 'label':
if not self._label.isEmpty() and 'label' in self._changed:
tmp['@graph'][0]['rdfs:label'] = self._label.toJsonLdObj()
if what == 'comment':
if not self._comment.isEmpty() and 'comment' in self._changed:
tmp['@graph'][0][
'rdfs:comment'] = self._comment.toJsonLdObj()
return tmp
def create(
self, last_modification_date: LastModificationDate
) -> Tuple[LastModificationDate, 'PropertyClass']:
jsonobj = self.toJsonObj(last_modification_date, Actions.Create)
jsondata = json.dumps(jsonobj, cls=SetEncoder, indent=2)
result = self.con.post('/v2/ontologies/properties', jsondata)
last_modification_date = LastModificationDate(
result['knora-api:lastModificationDate'])
return last_modification_date, PropertyClass.fromJsonObj(
self.con, self._context, result['@graph'])
def update(
self, last_modification_date: LastModificationDate
) -> Tuple[LastModificationDate, 'ResourceClass']:
#
# Note: Knora is able to change only one thing per call, either label or comment!
#
result = None
something_changed = False
if 'label' in self._changed:
jsonobj = self.toJsonObj(last_modification_date, Actions.Update,
'label')
jsondata = json.dumps(jsonobj, cls=SetEncoder, indent=4)
result = self.con.put('/v2/ontologies/properties', jsondata)
last_modification_date = LastModificationDate(
result['knora-api:lastModificationDate'])
something_changed = True
if 'comment' in self._changed:
jsonobj = self.toJsonObj(last_modification_date, Actions.Update,
'comment')
jsondata = json.dumps(jsonobj, cls=SetEncoder, indent=4)
result = self.con.put('/v2/ontologies/properties', jsondata)
last_modification_date = LastModificationDate(
result['knora-api:lastModificationDate'])
something_changed = True
if something_changed:
return last_modification_date, PropertyClass.fromJsonObj(
self.con, self._context, result['@graph'])
else:
return last_modification_date, self
def delete(
self, last_modification_date: LastModificationDate
) -> LastModificationDate:
result = self.con.delete('/v2/ontologies/properties/' +
quote_plus(self._id) +
'?lastModificationDate=' +
str(last_modification_date))
return LastModificationDate(result['knora-api:lastModificationDate'])
def print(self, offset: int = 0):
blank = ' '
print(f'{blank:>{offset}}Property Class Info')
print(f'{blank:>{offset+2}}Name: {self._name}')
print(f'{blank:>{offset+2}}Ontology prefix: {self._ontology_id}')
print(f'{blank:>{offset+2}}Superproperties:')
if self._superproperties is not None:
for sc in self._superproperties:
print(f'{blank:>{offset + 4}}{sc}')
if self._label is not None:
print(f'{blank:>{offset + 2}}Labels:')
self._label.print(offset + 4)
if self._subject is not None:
print(f'{blank:>{offset + 4}}Subject: {self._subject}')
if self._object is not None:
print(f'{blank:>{offset + 4}}Object: {self._object}')
if self._gui_element is not None:
print(f'{blank:>{offset + 4}}Guielement: {self._gui_element}')
if self._gui_attributes is not None:
print(f'{blank:>{offset + 4}}Gui Attributes:')
if self._gui_attributes is not None:
pprint(self._gui_attributes)
for (attname, attvalue) in self._gui_attributes.items():
print(
f'{blank:>{offset + 6}}Attribute: {attname} Value: {attvalue}'
)
if self._comment is not None:
print(f'{blank:>{offset + 2}}Comments:')
self._comment.print(offset + 4)
if self._editable is not None:
print(f'{blank:>{offset + 4}}Editable: {self._editable}')
if self._linkvalue is not None:
print(f'{blank:>{offset + 4}}Editable: {self._linkvalue}')
class ResourceClass:
con: Connection
_context: Context
_id: str
_name: str
_ontology_id: str
_superclasses: List[str]
_label: LangString
_comment: LangString
_permissions: str
_has_properties: Dict[str, HasProperty]
_changed: Set[str]
def __init__(self,
con: Connection,
context: Context,
id: Optional[str] = None,
name: Optional[str] = None,
ontology_id: Optional[str] = None,
superclasses: Optional[List[Union['ResourceClass',
str]]] = None,
label: Optional[Union[LangString, str]] = None,
comment: Optional[Union[LangString, str]] = None,
permissions: Optional[str] = None,
has_properties: Optional[Dict[str, HasProperty]] = None):
if not isinstance(con, Connection):
raise BaseError(
'"con"-parameter must be an instance of Connection')
if not isinstance(context, Context):
raise BaseError(
'"context"-parameter must be an instance of Context')
self.con = con
self._context = context
self._id = id
self._name = name
self._ontology_id = ontology_id
if isinstance(superclasses, ResourceClass):
self._superclasses = list(map(lambda a: a.id, superclasses))
else:
self._superclasses = superclasses
#
# process label
#
if label is not None:
if isinstance(label, str):
self._label = LangString(label)
elif isinstance(label, LangString):
self._label = label
else:
raise BaseError('Invalid LangString for label!')
else:
self._label = None
#
# process comment
#
if comment is not None:
if isinstance(comment, str):
self._comment = LangString(comment)
elif isinstance(comment, LangString):
self._comment = comment
else:
raise BaseError('Invalid LangString for comment!')
else:
self._comment = None
self._permissions = permissions
self._has_properties = has_properties
self._changed = set()
#
# Here follows a list of getters/setters
#
@property
def name(self) -> Optional[str]:
return self._name
@name.setter
def name(self, value: str) -> None:
raise BaseError('"name" cannot be modified!')
@property
def id(self) -> Optional[str]:
return self._id
@id.setter
def id(self, value: str) -> None:
raise BaseError('"id" cannot be modified!')
@property
def ontology_id(self) -> Optional[str]:
return self._ontology_id
@ontology_id.setter
def ontology_id(self, value: str) -> None:
raise BaseError('"ontology_id" cannot be modified!')
@property
def superclasses(self) -> Optional[List[str]]:
return self._superclasses
@superclasses.setter
def superclasses(self, value: List[str]) -> None:
raise BaseError('"superclasses" cannot be modified!')
@property
def label(self) -> Optional[LangString]:
return self._label
@label.setter
def label(self, value: Optional[Union[LangString, str]]) -> None:
if value is None:
self._label.empty() # clear all labels
else:
if isinstance(value, LangString):
self._label = value
elif isinstance(value, str):
self._label = LangString(value)
else:
raise BaseError('Not a valid LangString')
self._changed.add('label')
def addLabel(self, lang: Union[Languages, str], value: str) -> None:
self._label[lang] = value
self._changed.add('label')
def rmLabel(self, lang: Union[Languages, str]) -> None:
del self._label[lang]
self._changed.add('label')
@property
def comment(self) -> Optional[LangString]:
return self._comment
@comment.setter
def comment(self, value: Optional[LangString]) -> None:
if value is None:
self._comment.empty() # clear all comments!
else:
if isinstance(value, LangString):
self._comment = value
elif isinstance(value, str):
self._comment = LangString(value)
else:
raise BaseError('Not a valid LangString')
self._changed.add('comment')
def addComment(self, lang: Union[Languages, str], value: str) -> None:
self._comment[lang] = value
self._changed.add('comment')
def rmComment(self, lang: Union[Languages, str]) -> None:
del self._comment[lang]
self._changed.add('comment')
@property
def permissions(self) -> Optional[str]:
return self._permissions
@permissions.setter
def permissions(self, value: str) -> None:
raise BaseError('"permissions" cannot be modified!')
@property
def has_property(self) -> Dict[str, HasProperty]:
return self._has_properties
@has_property.setter
def has_property(self, value: str) -> None:
raise BaseError('"has_property" cannot be modified!')
def getProperty(self, property_id) -> Optional[HasProperty]:
if self._has_properties is None:
return None
else:
return self._has_properties.get(
self._context.getPrefixIri(property_id))
def addProperty(
self, property_id: str, cardinality: Cardinality,
last_modification_date: LastModificationDate
) -> Optional[LastModificationDate]:
if self._has_properties.get(property_id) is None:
latest_modification_date, resclass = HasProperty(
con=self.con,
context=self._context,
ontology_id=self._ontology_id,
property_id=property_id,
resclass_id=self.id,
cardinality=cardinality).create(last_modification_date)
hp = resclass.getProperty(property_id)
hp.ontology_id = self._context.iriFromPrefix(self._ontology_id)
hp.resclass_id = self.id
self._has_properties[hp.property_id] = hp
return latest_modification_date
else:
raise BaseError("Property already has cardinality in this class!")
def updateProperty(
self, property_id: str, cardinality: Cardinality,
last_modification_date: LastModificationDate
) -> Optional[LastModificationDate]:
property_id = self._context.getPrefixIri(property_id)
if self._has_properties.get(property_id) is not None:
has_properties = self._has_properties[property_id]
onto_id = has_properties.ontology_id # save for later user
rescl_id = has_properties.resclass_id # save for later user
has_properties.cardinality = cardinality
latest_modification_date, resclass = has_properties.update(
last_modification_date)
hp = resclass.getProperty(property_id)
hp.ontology_id = self._context.iriFromPrefix(
onto_id) # restore value
hp.resclass_id = rescl_id # restore value
self._has_properties[hp.property_id] = hp
return latest_modification_date
else:
return last_modification_date
@classmethod
def fromJsonObj(cls, con: Connection, context: Context,
json_obj: Any) -> Any:
if isinstance(json_obj, list):
json_obj = json_obj[
0] # TODO: Is it possible to have more than one element in the list??
if not isinstance(con, Connection):
raise BaseError(
'"con"-parameter must be an instance of Connection')
if not isinstance(context, Context):
raise BaseError(
'"context"-parameter must be an instance of Context')
rdf = context.prefixFromIri(
"http://www.w3.org/1999/02/22-rdf-syntax-ns#")
rdfs = context.prefixFromIri("http://www.w3.org/2000/01/rdf-schema#")
owl = context.prefixFromIri("http://www.w3.org/2002/07/owl#")
xsd = context.prefixFromIri("http://www.w3.org/2001/XMLSchema#")
knora_api = context.prefixFromIri(
"http://api.knora.org/ontology/knora-api/v2#")
salsah_gui = context.prefixFromIri(
"http://api.knora.org/ontology/salsah-gui/v2#")
if not (json_obj.get(knora_api + ':isResourceClass')
or json_obj.get(knora_api + ':isStandoffClass')):
raise BaseError("This is not a resource!")
if json_obj.get('@id') is None:
raise BaseError('Resource class has no "@id"!')
tmp_id = json_obj.get('@id').split(':')
id = context.iriFromPrefix(tmp_id[0]) + '#' + tmp_id[1]
ontology_id = tmp_id[0]
name = tmp_id[1]
superclasses_obj = json_obj.get(rdfs + ':subClassOf')
if superclasses_obj is not None:
supercls: List[Any] = list(
filter(lambda a: a.get('@id') is not None, superclasses_obj))
superclasses: List[str] = list(map(lambda a: a['@id'], supercls))
has_props: List[Any] = list(
filter(lambda a: a.get('@type') == (owl + ':Restriction'),
superclasses_obj))
has_properties: Dict[HasProperty] = dict(
map(lambda a: HasProperty.fromJsonObj(con, context, a),
has_props))
else:
superclasses = None
has_properties = None
label = LangString.fromJsonLdObj(json_obj.get(rdfs + ':label'))
comment = LangString.fromJsonLdObj(json_obj.get(rdfs + ':comment'))
return cls(con=con,
context=context,
name=name,
id=id,
ontology_id=ontology_id,
superclasses=superclasses,
label=label,
comment=comment,
has_properties=has_properties)
def toJsonObj(self,
lastModificationDate: LastModificationDate,
action: Actions,
what: Optional[str] = None) -> Any:
def resolve_resref(resref: str):
tmp = resref.split(':')
if len(tmp) > 1:
if tmp[0]:
return {
"@id": resref
} # fully qualified name in the form "prefix:name"
else:
return {
"@id":
self._context.prefixFromIri(self._ontology_id) + ':' +
tmp[1]
} # ":name" in current ontology
else:
return {
"@id": "knora-api:" + resref
} # no ":", must be from knora-api!
tmp = {}
exp = re.compile('^http.*') # It is already a fully IRI
if exp.match(self._ontology_id):
resid = self._context.prefixFromIri(
self._ontology_id) + ":" + self._name
ontid = self._ontology_id
else:
resid = self._ontology_id + ":" + self._name
ontid = self._context.iriFromPrefix(self._ontology_id)
if action == Actions.Create:
if self._name is None:
raise BaseError("There must be a valid resource class name!")
if self._ontology_id is None:
raise BaseError("There must be a valid ontology_id given!")
if self._superclasses is None:
superclasses = [{"@id": "knora-api:Resource"}]
else:
superclasses = list(map(resolve_resref, self._superclasses))
if self._comment is None or self._comment.isEmpty():
self._comment = LangString("no comment vailable")
tmp = {
"@id":
ontid, # self._ontology_id,
"@type":
"owl:Ontology",
"knora-api:lastModificationDate":
lastModificationDate.toJsonObj(),
"@graph": [{
"@id": resid,
"@type": "owl:Class",
"rdfs:label": self._label.toJsonLdObj(),
"rdfs:comment": self._comment.toJsonLdObj(),
"rdfs:subClassOf": superclasses
}],
"@context":
self._context.toJsonObj(),
}
elif action == Actions.Update:
tmp = {
"@id": ontid, # self._ontology_id,
"@type": "owl:Ontology",
"knora-api:lastModificationDate":
lastModificationDate.toJsonObj(),
"@graph": [{
"@id": resid,
"@type": "owl:Class",
}],
"@context": self._context.toJsonObj(),
}
if what == 'label':
if not self._label.isEmpty() and 'label' in self._changed:
tmp['@graph'][0]['rdfs:label'] = self._label.toJsonLdObj()
if what == 'comment':
if not self._comment.isEmpty() and 'comment' in self._changed:
tmp['@graph'][0][
'rdfs:comment'] = self._comment.toJsonLdObj()
return tmp
def create(
self, last_modification_date: LastModificationDate
) -> Tuple[LastModificationDate, 'ResourceClass']:
jsonobj = self.toJsonObj(last_modification_date, Actions.Create)
jsondata = json.dumps(jsonobj)
result = self.con.post('/v2/ontologies/classes', jsondata)
last_modification_date = LastModificationDate(
result['knora-api:lastModificationDate'])
return last_modification_date, ResourceClass.fromJsonObj(
self.con, self._context, result['@graph'])
def update(
self, last_modification_date: LastModificationDate
) -> Tuple[LastModificationDate, 'ResourceClass']:
#
# Note: Knora is able to change only one thing per call, either label or comment!
#
result = None
something_changed = False
if 'label' in self._changed:
jsonobj = self.toJsonObj(last_modification_date, Actions.Update,
'label')
jsondata = json.dumps(jsonobj, cls=SetEncoder, indent=4)
result = self.con.put('v2/ontologies/classes', jsondata)
last_modification_date = LastModificationDate(
result['knora-api:lastModificationDate'])
something_changed = True
if 'comment' in self._changed:
jsonobj = self.toJsonObj(last_modification_date, Actions.Update,
'comment')
jsondata = json.dumps(jsonobj, cls=SetEncoder, indent=4)
result = self.con.put('v2/ontologies/classes', jsondata)
last_modification_date = LastModificationDate(
result['knora-api:lastModificationDate'])
something_changed = True
if something_changed:
return last_modification_date, ResourceClass.fromJsonObj(
self.con, self._context, result['@graph'])
else:
return last_modification_date, self
def delete(
self, last_modification_date: LastModificationDate
) -> LastModificationDate:
result = self.con.delete('v2/ontologies/classes/' +
quote_plus(self._id) +
'?lastModificationDate=' +
str(last_modification_date))
return LastModificationDate(result['knora-api:lastModificationDate'])
def print(self, offset: int = 0):
blank = ' '
print(f'{blank:>{offset}}Resource Class Info')
print(f'{blank:>{offset+2}}Name: {self._name}')
print(f'{blank:>{offset+2}}Ontology prefix: {self._ontology_id}')
print(f'{blank:>{offset+2}}Superclasses:')
if self._superclasses is not None:
for sc in self._superclasses:
print(f'{blank:>{offset + 4}}{sc}')
if self._label is not None:
print(f'{blank:>{offset + 2}}Labels:')
self._label.print(offset + 4)
if self._comment is not None:
print(f'{blank:>{offset + 2}}Comments:')
self._comment.print(offset + 4)
if self._has_properties is not None:
print(f'{blank:>{offset + 2}}Has properties:')
if self._has_properties is not None:
for pid, hp in self._has_properties.items():
hp.print(offset + 4)
