#!/usr/bin/python
"""
demo client that uploads a local .nt file to the server (with a fixed
context URI)
"""
import sys, optparse
from sparqlhttp.remotegraph import RemoteGraph
from sparqlhttp.oneshot import run

from rdflib.Graph import Graph
from rdflib import URIRef

parser = optparse.OptionParser()
parser.add_option('-s', '--server', help='server endpoint URL')
opts, args = parser.parse_args()

if not opts.server:
    parser.error("--server is required")
    
graph = RemoteGraph(serverUrl=opts.server)

ntFilename = args[0]

localGraph = Graph()
localGraph.parse(ntFilename, format='nt')
stmts = list(localGraph.triples((None,None,None)))

d = graph.remoteAdd(*stmts,
          **dict(context=URIRef("http://example.org/#context")))
run(d)