fancy.py_2015_02_25_11-33

Text

import bpy
import bmesh

def getDupliEdges(edges):
    dupEdges = []
    for e in edges:
        retOneEdge = bmesh.ops.duplicate(bm, geom=[e])

        dupGeom = retOneEdge["geom"]
        dupEdge = [j for j in dupGeom if isinstance(j, bmesh.types.BMEdge)]
        dupEdges.append(dupEdge[0])

    # now we're done with the original edges, we can deselect
    for edge in edges:
        edge.select = False

    # select the new ones.
    for edge in dupEdges:
        edge.select = True
    
    return dupEdges

obj = bpy.context.edit_object
mesh = obj.data
bm = bmesh.from_edit_mesh(mesh)
bm.faces.active = None

edges = [e for e in bm.edges if e.select]
dupEdges = getDupliEdges(edges)

bmesh.update_edit_mesh(mesh, True)