コード例 #1
0
ファイル: rdf.py プロジェクト: nruemmele/blazegraph-python
    def __getitem__(self, key):
        """Fetch predicates off this subject by key dictionary-style.

        This is the primary mechanism for predicate access. You can either
        provide a predicate name, as a complete URL or CURIE:

        resource['rdfs:label']
        resource['http://www.w3.org/2000/01/rdf-schema#label']

        Or a predicate name and a datatype or language:

        resource['rdfs:label', 'en']

        Passing in a value of None will result in all values for the predicate
        in question being returned."""
        predicate, objects = self._objects_for_key(key)
        if predicate not in self.scalars or (isinstance(key, tuple)
                                             and key[1] is None):

            def getitem_iter_results():
                for obj in objects:
                    yield self.classify(self.graph, obj)

            return getitem_iter_results()
        else:
            return self.classify(self.graph, util.one_or_none(objects))
コード例 #2
0
ファイル: rdf.py プロジェクト: npilon/pymantic
 def __getitem__(self, key):
     """Fetch predicates off this subject by key dictionary-style.
     
     This is the primary mechanism for predicate access. You can either
     provide a predicate name, as a complete URL or CURIE:
     
     resource['rdfs:label']
     resource['http://www.w3.org/2000/01/rdf-schema#label']
     
     Or a predicate name and a datatype or language:
     
     resource['rdfs:label', 'en']
     
     Passing in a value of None will result in all values for the predicate
     in question being returned."""
     predicate, objects = self._objects_for_key(key)
     if predicate not in self.scalars or (isinstance(key, tuple) and key[1] is None):
         def getitem_iter_results():
             for obj in objects:
                 yield self.classify(self.graph, obj)
         return getitem_iter_results()
     else:
         return self.classify(self.graph, util.one_or_none(objects))
コード例 #3
0
ファイル: rdf.py プロジェクト: norcalrdf/pymantic
    def get_scalar(self, key):
        """As __getitem__ access, but pretend the key is a scalar even if it isn't.

        Expect random exceptions if using this carelessly."""
        predicate, objects = self._objects_for_key(key)
        return self.classify(self.graph, util.one_or_none(objects))
コード例 #4
0
ファイル: rdf.py プロジェクト: nruemmele/blazegraph-python
    def get_scalar(self, key):
        """As __getitem__ access, but pretend the key is a scalar even if it isn't.

        Expect random exceptions if using this carelessly."""
        predicate, objects = self._objects_for_key(key)
        return self.classify(self.graph, util.one_or_none(objects))