def numberofnetworks(self):
        """The number of distinct networks defined by the|Node| and
        |Element| objects currently handled by the |HydPy| object."""
        sels1 = selectiontools.Selections()
        sels2 = selectiontools.Selections()
        complete = selectiontools.Selection('complete',
                                            self.nodes, self.elements)
        for node in self.endnodes:
            sel = complete.copy(node.name).select_upstream(node)
            sels1 += sel
            sels2 += sel.copy(node.name)
        for sel1 in sels1:
            for sel2 in sels2:
                if sel1.name != sel2.name:
                    sel1 -= sel2
        for name in list(sels1.names):
            if not sels1[name].elements:
                del sels1[name]
        return sels1
def numberofnetworks ( self ) : sels1 = selectiontools . Selections ( ) sels2 = selectiontools . Selections ( ) complete = selectiontools . Selection ( 'complete' , self . nodes , self . elements ) for node in self . endnodes : sel = complete . copy ( node . name ) . select_upstream ( node ) sels1 += sel sels2 += sel . copy ( node . name ) for sel1 in sels1 : for sel2 in sels2 : if sel1 . name != sel2 . name : sel1 -= sel2 for name in list ( sels1 . names ) : if not sels1 [ name ] . elements : del sels1 [ name ] return sels1
The number of distinct networks defined by the|Node| and
        |Element| objects currently handled by the |HydPy| object.