def rdf_from_sources(self,
names,
outputFormat="pretty-xml",
rdfOutput=False):
"""
Extract and RDF graph from a list of RDFa sources and serialize them in one graph. The sources are parsed, the RDF
extracted, and serialization is done in the specified format.
@param names: list of sources, each can be a URI, a file name, or a file-like object
@keyword outputFormat: serialization format. Can be one of "turtle", "n3", "xml", "pretty-xml", "nt". "xml" and "pretty-xml", as well as "turtle" and "n3" are synonyms.
@return: a serialized RDF Graph
@rtype: string
"""
try:
from pyRdfaExtras import MyGraph
graph = MyGraph()
except:
graph = Graph()
for prefix in _bindings:
graph.bind(prefix, Namespace(_bindings[prefix]))
# the value of rdfOutput determines the reaction on exceptions...
for name in names:
self.graph_from_source(name, graph, rdfOutput)
return graph.serialize(format=outputFormat)
def rdf_from_sources(self, names, outputFormat = "turtle", rdfOutput = False) :
"""
Extract and RDF graph from a list of RDFa sources and serialize them in one graph. The sources are parsed, the RDF
extracted, and serialization is done in the specified format.
@param names: list of sources, each can be a URI, a file name, or a file-like object
@keyword outputFormat: serialization format. Can be one of "turtle", "n3", "xml", "pretty-xml", "nt". "xml", "pretty-xml", "json" or "json-ld". "turtle" and "n3", "xml" and "pretty-xml", and "json" and "json-ld" are synonyms, respectively. Note that the JSON-LD serialization works with RDFLib 3.* only.
@keyword rdfOutput: controls what happens in case an exception is raised. If the value is False, the caller is responsible handling it; otherwise a graph is returned with an error message included in the processor graph
@type rdfOutput: boolean
@return: a serialized RDF Graph
@rtype: string
"""
# This is better because it gives access to the various, non-standard serializations
# If it does not work because the extra are not installed, fall back to the standard
# rdlib distribution...
try :
from pyRdfaExtras import MyGraph
graph = MyGraph()
except :
graph = Graph()
graph.bind("xsd", Namespace('http://www.w3.org/2001/XMLSchema#'))
# the value of rdfOutput determines the reaction on exceptions...
for name in names :
self.graph_from_source(name, graph, rdfOutput)
retval = graph.serialize(format=outputFormat)
return retval
def rdf_from_sources(self, names, outputFormat="turtle", rdfOutput=False):
"""
Extract and RDF graph from a list of RDFa sources and serialize them in one graph. The sources are parsed, the RDF
extracted, and serialization is done in the specified format.
@param names: list of sources, each can be a URI, a file name, or a file-like object
@keyword outputFormat: serialization format. Can be one of "turtle", "n3", "xml", "pretty-xml", "nt". "xml", "pretty-xml", "json" or "json-ld". "turtle" and "n3", "xml" and "pretty-xml", and "json" and "json-ld" are synonyms, respectively. Note that the JSON-LD serialization works with RDFLib 3.* only.
@keyword rdfOutput: controls what happens in case an exception is raised. If the value is False, the caller is responsible handling it; otherwise a graph is returned with an error message included in the processor graph
@type rdfOutput: boolean
@return: a serialized RDF Graph
@rtype: string
"""
# This is better because it gives access to the various, non-standard serializations
# If it does not work because the extra are not installed, fall back to the standard
# rdlib distribution...
try:
from pyRdfaExtras import MyGraph
graph = MyGraph()
except:
graph = Graph()
graph.bind("xsd", Namespace('http://www.w3.org/2001/XMLSchema#'))
# the value of rdfOutput determines the reaction on exceptions...
for name in names:
self.graph_from_source(name, graph, rdfOutput)
retval = graph.serialize(format=outputFormat)
return retval
def rdf_from_sources(self, names, outputFormat = "turtle", rdfOutput = False) : """ Extract and RDF graph from a list of RDFa sources and serialize them in one graph. The sources are parsed, the RDF extracted, and serialization is done in the specified format. @param names: list of sources, each can be a URI, a file name, or a file-like object @keyword outputFormat: serialization format. Can be one of "turtle", "n3", "xml", "pretty-xml", "nt". "xml" and "pretty-xml", as well as "turtle" and "n3" are synonyms. @return: a serialized RDF Graph @rtype: string """ try : from pyRdfaExtras import MyGraph graph = MyGraph() except : graph = Graph() for prefix in _bindings : graph.bind(prefix, Namespace(_bindings[prefix])) # the value of rdfOutput determines the reaction on exceptions... for name in names : self.graph_from_source(name, graph, rdfOutput) return graph.serialize(format=outputFormat)
