def queryd(self, query, initBindings={}):
# initBindings keys can be Variable, but they should not
# include the questionmark or else they'll get silently
# ignored
interpolated = interpolateSparql(query, initBindings)
# print interpolated
query = self.sparqlHeader + interpolated
xml = self.root.get(
"/" + self.repoName, query=query, queryLn="SPARQL", headers={"Accept": "application/sparql-results+xml"}
).body_string()
return parseSparqlResults(xml.encode("utf-8"))
def queryd(self, query, initBindings={}):
# initBindings keys can be Variable, but they should not
# include the questionmark or else they'll get silently
# ignored
interpolated = interpolateSparql(query, initBindings)
#print interpolated
query = self.sparqlHeader + interpolated
xml = self.root.get('/' + self.repoName,
query=query, queryLn='SPARQL',
headers={'Accept' :
'application/sparql-results+xml'}
).body_string()
return parseSparqlResults(xml.encode('utf-8'))
def _getQuery(self, query, initBindings, headers=None, _postProcess=None):
"""send this query to the server, return deferred to the raw
server result. This is where the prologue (@PREFIX lines) is added."""
_checkQuerySyntax(query)
try:
interpolated = interpolateSparql(query, initBindings)
log.debug("sparql request: %s", interpolated)
except Exception:
log.error("original query=%r, initBindings=%r" %
(query, initBindings))
raise
# for the stats system to group together all the queries that
# vary only in their initBindings, I send a (reasonably)
# unique value for the uninterpolated query too. If I could
# send the query&bindings separately, this wouldn't be
# necessary.
xBindings = (" ".join(initBindings.keys())).encode('utf8')
sendHeaders = {
'x-uninterpolated-query-checksum': hashlib.md5(query).hexdigest(),
'x-bindings': xBindings,
}
if self.resultFormat == 'json':
sendHeaders[
'Accept'] = 'application/sparql-results+json,text/boolean'
else:
sendHeaders['Accept'] = 'application/sparql-results+xml'
if headers:
sendHeaders.update(headers)
def post(ret):
ret = parseJsonResults(ret)
if not isinstance(ret, bool): # ASK result
ret = _addOptionalVars(ret, query)
if _postProcess is not None:
ret = _postProcess(ret)
return ret
params = {'query': self.prologue + interpolated}
params.update(self.getParams)
return self._request(
"GET",
path='',
queryParams=params,
headers=sendHeaders,
postProcess=post,
)
def _getQuery(self, query, initBindings, headers=None, _postProcess=None):
"""send this query to the server, return deferred to the raw
server result. This is where the prologue (@PREFIX lines) is added."""
_checkQuerySyntax(query)
try:
interpolated = interpolateSparql(query, initBindings)
log.debug("sparql request: %s", interpolated)
except Exception:
log.error("original query=%r, initBindings=%r" %
(query, initBindings))
raise
# for the stats system to group together all the queries that
# vary only in their initBindings, I send a (reasonably)
# unique value for the uninterpolated query too. If I could
# send the query&bindings separately, this wouldn't be
# necessary.
xBindings = (" ".join(initBindings.keys())).encode('utf8')
sendHeaders = {'x-uninterpolated-query-checksum' :
hashlib.md5(query).hexdigest(),
'x-bindings' : xBindings,
}
if self.resultFormat == 'json':
sendHeaders['Accept'] = 'application/sparql-results+json,text/boolean'
else:
sendHeaders['Accept'] = 'application/sparql-results+xml'
if headers:
sendHeaders.update(headers)
def post(ret):
ret = parseJsonResults(ret)
if not isinstance(ret, bool): # ASK result
ret = _addOptionalVars(ret, query)
if _postProcess is not None:
ret = _postProcess(ret)
return ret
params = {'query' : self.prologue + interpolated}
params.update(self.getParams)
return self._request(
"GET", path='',
queryParams=params,
headers=sendHeaders,
postProcess=post,
)
