def create(cls, service, uri, new_graph):
"""I implement :meth:`~rdfrest.cores.local.ILocalCore.create`
"""
super(Method, cls).create(service, uri, new_graph)
parent_method_uri = new_graph.value(uri, KTBS.hasParentMethod)
my_base = parent_uri(uri)
parent_base = parent_uri(parent_method_uri)
if my_base == parent_base: # parent is not a built-in method
parent = service.get(parent_method_uri)
with parent.edit(_trust=True) as editable:
editable.add((uri, KTBS.hasParentMethod, parent_method_uri))
def create(cls, service, uri, new_graph):
"""I implement :meth:`~rdfrest.cores.local.ILocalCore.create`
"""
super(Method, cls).create(service, uri, new_graph)
parent_method_uri = new_graph.value(uri, KTBS.hasParentMethod)
my_base = parent_uri(uri)
parent_base = parent_uri(parent_method_uri)
if my_base == parent_base: # parent is not a built-in method
parent = service.get(parent_method_uri)
with parent.edit(_trust=True) as editable:
editable.add((uri, KTBS.hasParentMethod, parent_method_uri))
def check_new_graph(cls, service, uri, parameters, new_graph, resource=None, added=None, removed=None):
"""I overrides :meth:`rdfrest.cores.local.ILocalCore.check_new_graph`
I check that parent and parameters are acceptable
"""
if resource is None:
the_graph = new_graph
else:
old_graph = resource.state
added, removed = compute_added_and_removed(new_graph, old_graph, added, removed)
the_graph = added # we only check values that were added/changed
diag = super(Method, cls).check_new_graph(service, uri, parameters, new_graph, resource, added, removed)
# check parent method (if it has been changed)
parent_method_uri = the_graph.value(uri, KTBS.hasParentMethod)
if parent_method_uri is not None:
my_base = parent_uri(uri)
parent_base = parent_uri(parent_method_uri)
if my_base == parent_base:
parent = service.get(URIRef(parent_method_uri))
if parent is None:
diag.append("Parent method does not exist <%s>" % parent_method_uri)
elif parent.RDF_MAIN_TYPE != KTBS.Method:
diag.append("Parent <%s> is not a method" % parent_method_uri)
else:
if not get_builtin_method_impl(parent_method_uri):
diag.append("Parent method is neither in same base nor " "built-in <%s>" % parent_method_uri)
# check new parameters
new_params = False
for param in the_graph.objects(uri, KTBS.hasParameter):
new_params = True
if not isinstance(param, Literal):
diag.append("Parameters should be literals; " "got <%s>" % param)
if "=" not in param:
diag.append("Parameter is ill-formatted: %r" % str(Literal))
# check global integrity of parameters (including unchanged ones)
if new_params:
seen = set()
for param in new_graph.objects(uri, KTBS.hasParameter):
key, _ = param.split("=", 1)
if key in seen:
diag.append("Parameter %s specified more than once" % key)
else:
seen.add(key)
return diag
def _get_trace_from_uri(cls, service, obsel_uri):
"""I return the trace owning a given obsel.
"""
ret = service.get(URIRef(parent_uri(obsel_uri)))
assert ret.RDF_MAIN_TYPE in (KTBS.StoredTrace, KTBS.ComputedTrace), \
(ret.RDF_MAIN_TYPE, obsel_uri)
return ret
def __init__(self, trace, uri):
# not calling ILocalCore __init__ #pylint: disable=W0231
assert trace.RDF_MAIN_TYPE in (KTBS.StoredTrace, KTBS.ComputedTrace)
assert parent_uri(uri) == str(trace.uri)
self.uri = uri
self.service = trace.service
self.home = trace.obsel_collection
self._state = None
def get_base(self):
"""
Return the trace base this element belongs to.
:rtype: `BaseMixin`:class:
"""
base_uri = parent_uri(self.uri)
ret = self.factory(base_uri, [KTBS.Base])
assert isinstance(ret, BaseMixin)
return ret
def get_base(self):
"""
Return the trace base this element belongs to.
:rtype: `BaseMixin`:class:
"""
base_uri = parent_uri(self.uri)
ret = self.factory(base_uri, [KTBS.Base])
assert isinstance(ret, BaseMixin)
return ret
def get(self, uri, rdf_types=None, _no_spawn=False):
"""I override :meth:`rdfrest.cores.local.Service.get`
If the original implementation returns None, I try to make an Obsel.
"""
ret = super(KtbsService, self).get(uri, rdf_types, _no_spawn)
if ret is None:
parent = super(KtbsService, self).get(URIRef(parent_uri(uri)),
None, _no_spawn)
if parent is not None \
and parent.RDF_MAIN_TYPE in (KTBS.StoredTrace, KTBS.ComputedTrace):
assert rdf_types is None or KTBS.Obsel in rdf_types, rdf_types
ret = Obsel(parent, uri)
return ret
def get(self, uri, rdf_types=None, _no_spawn=False):
"""I override :meth:`rdfrest.cores.local.Service.get`
If the original implementation returns None, I try to make an Obsel.
"""
ret = super(KtbsService, self).get(uri, rdf_types, _no_spawn)
if ret is None:
parent = super(KtbsService, self).get(URIRef(parent_uri(uri)), None,
_no_spawn)
if parent is not None \
and parent.RDF_MAIN_TYPE in (KTBS.StoredTrace, KTBS.ComputedTrace):
assert rdf_types is None or KTBS.Obsel in rdf_types, rdf_types
ret = Obsel(parent, uri)
return ret
def get_model(self):
"""
Return the trace model defining this element.
:rtype: `TraceModelMixin`:class:
"""
#tmodel_uri = self.state.identifier
#ret = self.factory(tmodel_uri, KTBS.TraceModel)
#return ret
#Waiting above code to be fixed.
#We can have .../Model#ElementType
#or .../Model/ElementType
defragmented_uri = self.uri.defrag()
if len(self.uri) != len(defragmented_uri):
model_uri = defragmented_uri
else:
model_uri = parent_uri(self.uri)
ret = self.factory(model_uri, [KTBS.TraceModel])
assert isinstance(ret, TraceModelMixin)
return ret
def get_model(self):
"""
Return the trace model defining this element.
:rtype: `TraceModelMixin`:class:
"""
#tmodel_uri = self.state.identifier
#ret = self.factory(tmodel_uri, KTBS.TraceModel)
#return ret
#Waiting above code to be fixed.
#We can have .../Model#ElementType
#or .../Model/ElementType
defragmented_uri = self.uri.defrag()
if len(self.uri) != len(defragmented_uri):
model_uri = defragmented_uri
else:
model_uri = parent_uri(self.uri)
ret = self.factory(model_uri, [KTBS.TraceModel])
assert isinstance(ret, TraceModelMixin)
return ret
def parent(self):
"""Return the group containing this item (if any)"""
ret = self.factory(parent_uri(self.uri), [EXAMPLE.Group])
assert isinstance(ret, GroupMixin)
return ret
def check_new_graph(cls,
service,
uri,
parameters,
new_graph,
resource=None,
added=None,
removed=None):
"""I overrides :meth:`rdfrest.cores.local.ILocalCore.check_new_graph`
I check that parent and parameters are acceptable
"""
if resource is None:
the_graph = new_graph
else:
old_graph = resource.state
added, removed = compute_added_and_removed(new_graph, old_graph,
added, removed)
the_graph = added # we only check values that were added/changed
diag = super(Method,
cls).check_new_graph(service, uri, parameters, new_graph,
resource, added, removed)
# check parent method (if it has been changed)
parent_method_uri = the_graph.value(uri, KTBS.hasParentMethod)
if parent_method_uri is not None:
my_base = parent_uri(uri)
parent_base = parent_uri(parent_method_uri)
if my_base == parent_base:
parent = service.get(URIRef(parent_method_uri))
if parent is None:
diag.append("Parent method does not exist <%s>" %
parent_method_uri)
elif parent.RDF_MAIN_TYPE != KTBS.Method:
diag.append("Parent <%s> is not a method" %
parent_method_uri)
else:
if not get_builtin_method_impl(parent_method_uri):
diag.append("Parent method is neither in same base nor "
"built-in <%s>" % parent_method_uri)
# check new parameters
new_params = False
for param in the_graph.objects(uri, KTBS.hasParameter):
new_params = True
if not isinstance(param, Literal):
diag.append("Parameters should be literals; "
"got <%s>" % param)
if "=" not in param:
diag.append("Parameter is ill-formatted: %r" % str(Literal))
# check global integrity of parameters (including unchanged ones)
if new_params:
seen = set()
for param in new_graph.objects(uri, KTBS.hasParameter):
key, _ = param.split("=", 1)
if key in seen:
diag.append("Parameter %s specified more than once" % key)
else:
seen.add(key)
return diag
def parent(self):
"""Return the group containing this item (if any)"""
ret = self.factory(parent_uri(self.uri), [EXAMPLE.Group])
assert isinstance(ret, GroupMixin)
return ret