import Blender
from Blender import Mesh

me = Mesh.Get("Plane")          # get the mesh data called "Plane"
v = me.verts                    # get vertices
if len(v) >= 6:                 # if there are enough vertices...
	for( i in v ):
		for( j in v ):
			me.edges.extend(i,j)    #   add a single edge