def __init__(self, source, content_type=None):
tree = etree.parse(source)
boolean = tree.find(RESULTS_NS_ET + 'boolean')
results = tree.find(RESULTS_NS_ET + 'results')
if boolean is not None:
type_ = 'ASK'
elif results is not None:
type_ = 'SELECT'
else:
raise ResultException(
"No RDF result-bindings or boolean answer found!")
Result.__init__(self, type_)
if type_ == 'SELECT':
self.bindings = []
for result in results:
r = {}
for binding in result:
r[Variable(binding.get('name'))] = parseTerm(binding[0])
self.bindings.append(r)
self.vars = [
Variable(x.get("name"))
for x in tree.findall('./%shead/%svariable' %
(RESULTS_NS_ET, RESULTS_NS_ET))
]
else:
self.askAnswer = boolean.text.lower().strip() == "true"
class XMLResult(Result):
def __init__(self, source):
xmlstring = source.read()
if isinstance(xmlstring, unicode):
xmlstring = xmlstring.encode('utf-8')
try:
tree = ElementTree.fromstring(xmlstring)
except Exception, e:
try:
raise e.__class__("error parsing %r: %s" % (xmlstring, e))
except:
raise e
boolean = tree.find(RESULTS_NS_ET + 'boolean')
results = tree.find(RESULTS_NS_ET + 'results')
if boolean != None:
type_ = 'ASK'
elif results != None:
type_ = 'SELECT'
else:
g = Graph()
try:
g.parse(data=xmlstring)
if len(g) == 0:
raise
type_ = 'CONSTRUCT'
except:
raise ResultException(
"No RDF Graph, result-bindings or boolean answer found!")
Result.__init__(self, type_)
if type_ == 'SELECT':
self.bindings = []
for result in results:
r = {}
for binding in result:
r[Variable(binding.get('name'))] = parseTerm(binding[0])
self.bindings.append(r)
self.vars = [
Variable(x.get("name"))
for x in tree.findall('./%shead/%svariable' %
(RESULTS_NS_ET, RESULTS_NS_ET))
]
elif type_ == 'ASK':
self.askAnswer = bool(boolean.text)
elif type_ == 'CONSTRUCT':
self.graph = g
def __init__(self, source):
xmlstring = source.read()
if isinstance(xmlstring, text_type):
xmlstring = xmlstring.encode('utf-8')
try:
parser = etree.XMLParser(huge_tree=True)
tree = etree.parse(BytesIO(xmlstring), parser)
except TypeError:
tree = etree.fromstring(xmlstring)
except Exception as e:
log.exception("Error parsing XML results: %s" % xmlstring)
raise e
boolean = tree.find(RESULTS_NS_ET + 'boolean')
results = tree.find(RESULTS_NS_ET + 'results')
if boolean is not None:
type_ = 'ASK'
elif results is not None:
type_ = 'SELECT'
else:
g = Graph()
try:
g.parse(data=xmlstring)
if len(g) == 0:
raise
type_ = 'CONSTRUCT'
except:
raise ResultException(
"No RDF Graph, result-bindings or boolean answer found!")
Result.__init__(self, type_)
if type_ == 'SELECT':
self.bindings = []
for result in results:
r = {}
for binding in result:
r[Variable(binding.get('name'))] = parseTerm(binding[0])
self.bindings.append(r)
self.vars = [
Variable(x.get("name"))
for x in tree.findall('./%shead/%svariable' %
(RESULTS_NS_ET, RESULTS_NS_ET))
]
elif type_ == 'ASK':
self.askAnswer = boolean.text.lower().strip() == "true"
elif type_ == 'CONSTRUCT':
self.graph = g
def __init__(self, json):
self.json = json
if "boolean" in json:
type_ = 'ASK'
elif "results" in json:
type_ = 'SELECT'
else:
raise ResultException('No boolean or results in json!')
Result.__init__(self, type_)
if type_ == 'ASK':
self.askAnswer = bool(json['boolean'])
else:
self.bindings = self._get_bindings()
def __init__(self, json):
self.json = json
if "boolean" in json:
type_ = "ASK"
elif "results" in json:
type_ = "SELECT"
else:
raise ResultException("No boolean or results in json!")
Result.__init__(self, type_)
if type_ == "ASK":
self.askAnswer = bool(json["boolean"])
else:
self.bindings = self._get_bindings()
self.vars = [Variable(x) for x in json["head"]["vars"]]
def termToJSON(self, term):
if isinstance(term, URIRef):
return {"type": "uri", "value": str(term)}
elif isinstance(term, Literal):
r = {"type": "literal", "value": str(term)}
if term.datatype is not None:
r["datatype"] = str(term.datatype)
if term.language is not None:
r["xml:lang"] = term.language
return r
elif isinstance(term, BNode):
return {"type": "bnode", "value": str(term)}
elif term is None:
return None
else:
raise ResultException("Unknown term type: %s (%s)" % (term, type(term)))
def termToJSON(self, term):
if isinstance(term, URIRef):
return {'type': 'uri', 'value': text_type(term)}
elif isinstance(term, Literal):
r = {'type': 'literal', 'value': text_type(term)}
if term.datatype is not None:
r['datatype'] = text_type(term.datatype)
if term.language is not None:
r['xml:lang'] = term.language
return r
elif isinstance(term, BNode):
return {'type': 'bnode', 'value': str(term)}
elif term is None:
return None
else:
raise ResultException('Unknown term type: %s (%s)' %
(term, type(term)))
def __init__(self, source, content_type: Optional[str] = None):
try:
# try use as if etree is from lxml, and if not use it as normal.
parser = etree.XMLParser(huge_tree=True) # type: ignore[call-arg]
tree = etree.parse(source, parser)
except TypeError:
tree = etree.parse(source)
boolean = tree.find(RESULTS_NS_ET + "boolean")
results = tree.find(RESULTS_NS_ET + "results")
if boolean is not None:
type_ = "ASK"
elif results is not None:
type_ = "SELECT"
else:
raise ResultException("No RDF result-bindings or boolean answer found!")
Result.__init__(self, type_)
if type_ == "SELECT":
self.bindings = []
for result in results: # type: ignore[union-attr]
r = {}
for binding in result:
r[Variable(binding.get("name"))] = parseTerm(binding[0])
self.bindings.append(r)
self.vars = [
Variable(x.get("name"))
for x in tree.findall(
"./%shead/%svariable" % (RESULTS_NS_ET, RESULTS_NS_ET)
)
]
else:
self.askAnswer = boolean.text.lower().strip() == "true" # type: ignore[union-attr]