Re: [sparql-wrapper-devel] sparql.setReturnFormat(JSON) getting XML minidom back ?

[Sergio F. <ser...@fu...>]

Anyway as a user perspective we agree we added that could be a bit
confusing. So we added a warning message when the wrapper comes up
with such situation. You could get it at the upcoming release.

Thanks for your useful comments!

Cheers,


2012/2/1 Sergio Fernández <ser...@fu...>:
> Dear Stuart,
>
> such SPARQL endpoint looks not to support results as JSON. Remember
> that according the current specification [1], only XML results are
> mandatory. What you could expect on HTTP is a 406 status code, but I
> guess they are not managing the Accept header [2]
>
> In conclusion, sorry, but the reported issue is on the server side,
> not in the client.
>
> Greetings,
>
> [1] http://www.w3.org/TR/rdf-sparql-protocol/#query-Out-Message
> [2] http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
>
>
> On 1 February 2012 20:25, Stuart Axon <st...@ya...> wrote:
>> Hi,
>>   Cheers for sparql-wrapper  - seem to be getting stuck at an early hurdle:
>>
>>
>> When I run the program below I was expecting json, but get an XML Minidom
>> object, this seems not quite right ?
>>
>> [python 2.7 on ubuntu oneiric ocelot]
>>
>> #!/bin/env python
>> from SPARQLWrapper import SPARQLWrapper, JSON
>>
>> query = """
>> PREFIX geo: <http://www.geonames.org/ontology#>
>> PREFIX wgs: <http://www.w3.org/2003/01/geo/wgs84_pos#>
>> SELECT DISTINCT ?an ?lat ?long ?name ?population
>> WHERE
>> { ?a
>>      a mo:MusicArtist;
>>      foaf:based_near ?place;
>>      foaf:name ?an;
>>      foaf:made ?alb.
>>   # ?alb tags:taggedWithTag <http://dbtune.org/jamendo/tag/idm>.
>>   ?place
>>      geo:name ?name;
>>      geo:population ?population;
>>      wgs:lat ?lat;
>>      wgs:long ?long
>> }
>> ORDER BY ?population
>> """
>>
>> sparql = SPARQLWrapper("http://dbtune.org/jamendo/sparql/")
>> sparql.setQuery(query)
>> sparql.setReturnFormat(JSON)
>> results = sparql.query().convert()
>>
>> print results
>>
>>
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>
>
>
> --
> Sergio Fernández
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-- 
Sergio Fernández
CTIC - Technological Center
Parque Científico y Tecnológico de Gijón
C/ Ada Byron, 39 Edificio Centros Tecnológicos
33203 Gijón - Asturias - Spain
Tel.: +34 984 29 12 12
Fax: +34 984 39 06 12
E-mail: ser...@fu...
http://www.fundacionctic.org
Privacy Policy: http://www.fundacionctic.org/privacidad