我正在解析三元组文件,并将三元组添加到我的本地三元组存储中。
代码片段:
代码片段:
graph = ConjunctiveGraph('Sleepycat')
graph.open("mytriplestore", create=False)
g = Graph()
g.parse("filename.ttl", format="ttl")
for t in g:
graph.add(t)
除了逐个遍历每个三元组之外,是否有可能批量将解析后的内容添加到三元存储中?
我目前尝试过的方法:
尝试1:
graph.add(g)
错误:
File "/usr/local/lib/python2.7/dist-packages/rdflib/graph.py", line 1345, in add
s,p,o,c = self._spoc(triple_or_quad, default=True)
File "/usr/local/lib/python2.7/dist-packages/rdflib/graph.py", line 1326, in _spoc
return s,p,o,c
UnboundLocalError: local variable 's' referenced before assignment
尝试 2:
graph.addN(g)
错误:
File "/usr/local/lib/python2.7/dist-packages/rdflib/graph.py", line 1363, in addN
(s, p, o, self._graph(c)) for s, p, o, c in quads if
File "/usr/local/lib/python2.7/dist-packages/rdflib/store.py", line 221, in addN
for s, p, o, c in quads:
File "/usr/local/lib/python2.7/dist-packages/rdflib/graph.py", line 1363, in <genexpr>
(s, p, o, self._graph(c)) for s, p, o, c in quads if
数值错误:需要三个以上的值来解包
graph = graph.add(g)
不起作用吗? - UninformedUser.addN()
或类似的方法。 - Stanislav KralinGraph::__add__
应该返回一个新的图形,它是当前图形和另一个图形的并集。 - UninformedUser