# -*- coding: utf-8 -*-

#

# Copyright IRI (c) 2013

#

# contact@iri.centrepompidou.fr

#

# This software is governed by the CeCILL-B license under French law and

# abiding by the rules of distribution of free software.  You can  use, 

# modify and/ or redistribute the software under the terms of the CeCILL-B

# license as circulated by CEA, CNRS and INRIA at the following URL

# "http://www.cecill.info". 

#

# As a counterpart to the access to the source code and  rights to copy,

# modify and redistribute granted by the license, users are provided only

# with a limited warranty  and the software's author,  the holder of the

# economic rights,  and the successive licensors  have only  limited

# liability. 

#

# In this respect, the user's attention is drawn to the risks associated

# with loading,  using,  modifying and/or developing or reproducing the

# software by the user in light of its specific status of free software,

# that may mean  that it is complicated to manipulate,  and  that  also

# therefore means  that it is reserved for developers  and  experienced

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# requirements in conditions enabling the security of their systems and/or 

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# same conditions as regards security. 

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# The fact that you are presently reading this means that you have had

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from rdflib.graph import Graph

DCT = Namespace("http://purl.org/dc/terms/")

IIEP = Namespace("http://www.iiep.unesco.org/plan4learning/model.owl#")

UNESCO = Namespace("http://www.iiep.unesco.org/Ontology/")

GRAPH_NAMESPACES = {

    'iiep': IIEP,

    'dct': DCT,

}

def get_empty_graph():

    record_graph = Graph()

    for prefix,uri in GRAPH_NAMESPACES.items():

        record_graph.bind(prefix,uri)

    return record_graph