from xml.dom.minidom import getDOMImplementation
    
class rdf:
    child = []
    items = None
    name  = None
    
    def __init__(self, name, items = None ):
        self.name  = name
        self.items = items
        self.child = []
        
    def append(self, rdf):
        self.child.append(rdf)
    
    def toXML(self, xmlns):
        impl = getDOMImplementation()
        doc = impl.createDocument("http://www.w3.org/1999/02/22-rdf-syntax-ns#", "RDF:RDF", None)
        
        root = doc.documentElement
        root.setAttribute("xmlns:RDF",'http://www.w3.org/1999/02/22-rdf-syntax-ns#')
        root.setAttribute("xmlns:LAP",xmlns+"/rdf#")
        
        Seq = self.genSeq(doc, root, xmlns)
        root.appendChild(Seq)
         
        return '<?xml version="1.0" encoding="UTF-8" ?>\n'+root.toxml("UTF-8")

    def genSeq(self, doc, root, about):
        
        Seq = doc.createElement('RDF:Seq')
        Seq.setAttribute("RDF:about",about+"/"+self.name)
        #<RDF:Seq RDF:about="http://www.some-fictitious-zoo.com/all-animals">
        
        if self.items != None:
            Description = doc.createElement('RDF:Description')
            Description.setAttribute("RDF:about",about+"/"+self.name)
            root.appendChild(Description)
            
            for a in self.items:
                #print a + " : " + self.items[a]
                elm = doc.createElement('LAP:'+a)
                txt = doc.createTextNode(str(self.items[a]))
                elm.appendChild(txt)
                Description.appendChild(elm)
        
        if len(self.child) != 0:
            for a in self.child:
                #a = self.child[0];
                li = doc.createElement('RDF:li')
                Seq.appendChild(li)
                li.appendChild( 
                    a.genSeq(doc, root, about+"/"+self.name)
                )
                #print self.child, len(self.child)
        
        return Seq
    
if __name__ == "__main__":

    x = rdf( "all-test" )
    x.append( rdf("maisons", {"id":"1", "addr":"toto"} ) )
    x.append( rdf("homes",   {"id":"2", "addr":"titi"} ) )
    x.append( rdf("domoj",   {"id":"3", "addr":"tutu"} ) )
    
    y = rdf("tutu",     {"id":"5", "addr":"fsdjkhf fhsqdljk fhsjdk hl"} )
    y.append( rdf("fds",     {"id":"4", "addr":"fsdfds"} ) )
    x.append( y )
        
    print x.toXML("http://www.lapinator.net")
    #f = open('test.xml','w')
    #d = x.toXML("http://www.lapinator.net")
    #f.write(d)
    #f.close()