(hgr)
return grxml.toprettyxml()
Return a string specifying the given hypergraph as a XML document.
    
    @type  hgr: hypergraph
    @param hgr: Hypergraph.

    @rtype:  string
    @return: String specifying the graph as a XML document.
Return a string specifying the given hypergraph as a XML document.
    
    @type  hgr: hypergraph
    @param hgr: Hypergraph.
Return a string specifying the given hypergraph as a XML document . @type hgr : hypergraph @param hgr : Hypergraph .
def write_hypergraph(hgr):
    """
    Return a string specifying the given hypergraph as a XML document.
    
    @type  hgr: hypergraph
    @param hgr: Hypergraph.

    @rtype:  string
    @return: String specifying the graph as a XML document.
    """

    # Document root
    grxml = Document()
    grxmlr = grxml.createElement('hypergraph')
    grxml.appendChild(grxmlr)

    # Each node...
    nodes = hgr.nodes()
    hyperedges = hgr.hyperedges()
    for each_node in (nodes + hyperedges):
        if (each_node in nodes):
            node = grxml.createElement('node')
        else:
            node = grxml.createElement('hyperedge')
        node.setAttribute('id', str(each_node))
        grxmlr.appendChild(node)

        # and its outgoing edge
        if each_node in nodes:
            for each_edge in hgr.links(each_node):
                edge = grxml.createElement('link')
                edge.setAttribute('to', str(each_edge))
                node.appendChild(edge)

    return grxml.toprettyxml()
def write_hypergraph ( hgr ) : # Document root grxml = Document ( ) grxmlr = grxml . createElement ( 'hypergraph' ) grxml . appendChild ( grxmlr ) # Each node... nodes = hgr . nodes ( ) hyperedges = hgr . hyperedges ( ) for each_node in ( nodes + hyperedges ) : if ( each_node in nodes ) : node = grxml . createElement ( 'node' ) else : node = grxml . createElement ( 'hyperedge' ) node . setAttribute ( 'id' , str ( each_node ) ) grxmlr . appendChild ( node ) # and its outgoing edge if each_node in nodes : for each_edge in hgr . links ( each_node ) : edge = grxml . createElement ( 'link' ) edge . setAttribute ( 'to' , str ( each_edge ) ) node . appendChild ( edge ) return grxml . toprettyxml ( )