在针对Apache Jena Fuseki的python中将listOfDict转换为RDF

要从python将一些数据存储在Apache Jena中，我希望进行从Dicts列表到RDF的通用转换，并可能返回查询。

对于Dict to RDF部分的列表，我尝试实现“ insertlistofDicts”（请参见下文） 并使用“ testlistofDictInsert”进行了测试（请参见下文）。 结果如下所示，当使用Apache Jena Fuseki服务器尝试时，将导致400：Bad Request。

简单字符串类型需要解决的问题-可能需要其他原始Python类型才能解决？

也可以在以下位置找到源代码：

• https://github.com/WolfgangFahl/DgraphAndWeaviateTest/blob/master/dg/jena.py
• https://github.com/WolfgangFahl/DgraphAndWeaviateTest/blob/master/tests/testJena.py

@prefix foaf: <http://xmlns.com/foaf/0.1/>
INSERT DATA {
foaf:Person/Elizabeth+Alexandra+Mary+Windsor foaf:Person#name "Elizabeth Alexandra Mary Windsor".
foaf:Person/Elizabeth+Alexandra+Mary+Windsor foaf:Person#born "1926-04-21".
foaf:Person/Elizabeth+Alexandra+Mary+Windsor foaf:Person#wikidataurl "https://www.wikidata.org/wiki/Q9682".
foaf:Person/George+of+Cambridge foaf:Person#name "George of Cambridge".
foaf:Person/George+of+Cambridge foaf:Person#born "2013-07-22".
foaf:Person/George+of+Cambridge foaf:Person#wikidataurl "https://www.wikidata.org/wiki/Q1359041".
foaf:Person/Harry+Duke+of+Sussex foaf:Person#name "Harry Duke of Sussex".
foaf:Person/Harry+Duke+of+Sussex foaf:Person#born "1984-09-15".
foaf:Person/Harry+Duke+of+Sussex foaf:Person#wikidataurl "https://www.wikidata.org/wiki/Q152316".

}

testlistofDictInsert

def testlistofDictInsert(self):
        '''
        test inserting a list of Dicts using FOAF example
        https://en.wikipedia.org/wiki/FOAF_(ontology)
        '''
        listofDicts=[
            {'name': 'Elizabeth Alexandra Mary Windsor','born': '1926-04-21','age': 94,'ofAge': True,'wikidataurl': 'https://www.wikidata.org/wiki/Q9682' },{'name': 'George of Cambridge','born': '2013-07-22','age':  7,'ofAge': False,'wikidataurl': 'https://www.wikidata.org/wiki/Q1359041'},{'name': 'Harry Duke of Sussex','born': '1984-09-15','age': 36,'wikidataurl': 'https://www.wikidata.org/wiki/Q152316'}
        ]
        jena=self.getJena(mode='update',debug=True)
        jena.insertlistofDicts(listofDicts,'foaf:Person','name','@prefix foaf: <http://xmlns.com/foaf/0.1/>')

插入字符列表

def insertlistofDicts(self,listofDicts,entityType,primaryKey,prefixes):
        '''
        insert the given list of dicts mapping datatypes according to
        https://www.w3.org/TR/xmlschema-2/#built-in-datatypes
        
        mapped from 
        https://docs.python.org/3/library/stdtypes.html
        
        compare to
        https://www.w3.org/2001/sw/rdb2rdf/directGraph/
        http://www.bobdc.com/blog/json2rdf/
        https://www.w3.org/TR/json-ld11-api/#data-round-tripping
        https://stackoverflow.com/questions/29030231/json-to-rdf-xml-file-in-python
        '''
        errors=[]
        insertCommand='%s\nINSERT DATA {\n' % prefixes
        for index,record in enumerate(listofDicts):
            if not primaryKey in record:
                errors.append["missing primary key %s in record %d",index]
            else:    
                primaryValue=record[primaryKey]
                encodedPrimaryValue=urllib.parse.quote_plus(primaryValue)
                tSubject="%s/%s" %(entityType,encodedPrimaryValue)
                for keyvalue in record.items():
                    key,value=keyvalue
                    valueType=type(value)
                    if self.debug:
                        print("%s(%s)=%s" % (key,valueType,value))
                    tPredicate="%s#%s" % (entityType,key)
                    tObject=value    
                    if valueType == str:   
                        insertCommand+='  %s %s "%s".\n' % (tSubject,tPredicate,tObject)
        insertCommand+="\n}"
        if self.debug:
            print (insertCommand)
        self.insert(insertCommand)
        return errors