Beispiel #1
0
 def testCsvFromJSONAbleIncludeFields(self):
     '''
     tests generation of csv from list of JSONAble object with including only specified fields (positive list)
     '''
     lod = [{
         "name": "Test",
         "label": 1
     }, {
         "name": "Test 2",
         "label": 2
     }, {
         "name": "Different",
         "location": "Munich"
     }]
     jsonAbleList = JSONAbleList(clazz=JSONAble)
     jsonAbleList.fromLoD(lod)
     actualCsvString = CSV.toCSV(jsonAbleList.getList(),
                                 includeFields=['name', 'location'])
     expectedCsvString = '"name","location"\r\n"Test",""\r\n"Test 2",""\r\n"Different","Munich"\r\n'
     self.assertEqual(actualCsvString, expectedCsvString)
Beispiel #2
0
 def test_to_csv(self):
     '''tests if LoD is correctly converted to csv str'''
     expectedStr = self.csvStr
     actualStr = CSV.toCSV(self.csvLOD)
     self.assertEqual(expectedStr, actualStr)
Beispiel #3
0
    def main(cls, args):
        '''
        command line activation with parsed args
        
        Args:
            args(list): the command line arguments
        '''
        debug = args.debug
        endpoints = EndpointManager.getEndpoints(args.endpointPath)
        qm = QueryManager(lang=args.language,
                          debug=debug,
                          queriesPath=args.queriesPath)
        query = None
        queryCode = args.query
        endpointConf = None
        formats = None
        # preload ValueFormatter
        ValueFormatter.getFormats(args.formatsPath)
        if args.list:
            for name, query in qm.queriesByName.items():
                print(f"{name}:{query.title}")
        elif args.listEndpoints:
            # list endpoints
            for endpoint in endpoints.values():
                if hasattr(endpoint,
                           "lang") and endpoint.lang == args.language:
                    print(endpoint)

        elif args.queryName is not None:
            if debug or args.showQuery:
                print(f"named query {args.queryName}:")
            if args.queryName not in qm.queriesByName:
                raise Exception(f"named query {args.queryName} not available")
            query = qm.queriesByName[args.queryName]
            formats = query.formats
            queryCode = query.query
            if debug or args.showQuery:
                if hasattr(query,
                           "description") and query.description is not None:
                    print(query.description)
        if query is None:
            name = "?"
            if queryCode is None and args.queryFile is not None:
                queryFilePath = Path(args.queryFile)
                queryCode = queryFilePath.read_text()
                name = queryFilePath.stem
            query = Query(name="?", query=queryCode, lang=args.language)
        if queryCode:
            if debug or args.showQuery:
                print(f"{args.language}:\n{queryCode}")
            if args.endpointName:
                endpointConf = endpoints.get(args.endpointName)
            if args.language == "sparql":
                method = 'POST'
                if args.endpointName:
                    endPointUrl = endpointConf.endpoint
                    method = endpointConf.method
                    query.tryItUrl = endpointConf.website
                    query.database = endpointConf.database
                else:
                    endPointUrl = query.endpoint
                if args.method:
                    method = method
                sparql = SPARQL(endPointUrl, method=method)
                if args.prefixes and endpointConf is not None:
                    queryCode = f"{endpointConf.prefixes}\n{queryCode}"
                if args.raw:
                    qres = cls.rawQuery(endPointUrl,
                                        query=query.query,
                                        resultFormat=args.format,
                                        mimeType=args.mimeType)
                    print(qres)
                    return
                if "wikidata" in args.endpointName and formats is None:
                    formats = ["*:wikidata"]
                qlod = sparql.queryAsListOfDicts(queryCode)
            elif args.language == "sql":
                sqlDB = SQLDB(endpointConf.endpoint)
                qlod = sqlDB.query(queryCode)
            else:
                raise Exception(
                    f"language {args.language} not known/supported")
            if args.format is Format.csv:
                csv = CSV.toCSV(qlod)
                print(csv)
            elif args.format in [
                    Format.latex, Format.github, Format.mediawiki
            ]:
                doc = query.documentQueryResult(qlod,
                                                tablefmt=str(args.format),
                                                floatfmt=".0f")
                docstr = doc.asText()
                print(docstr)
            elif args.format in [Format.json
                                 ] or args.format is None:  # set as default
                # https://stackoverflow.com/a/36142844/1497139
                print(json.dumps(qlod, indent=2, sort_keys=True, default=str))
            elif args.format in [Format.xml]:
                lod2xml = Lod2Xml(qlod)
                xml = lod2xml.asXml()
                print(xml)

            else:
                raise Exception(f"format {args.format} not supported yet")