Extract selected edges to curves

edges_to_curves.py

from pymel.all import *

sel = ls( selected(), fl=1 )

aCe = []
while len( sel ):
	ce = []
	for e in sel: 
		if ce == []: ce.append( e )
		else: 
			for e2 in ce: 
				if e.isConnectedTo( e2 ): ce.append( e ); break
	for e in ce: sel.remove( e )
	aCe.append( ce )

aC = []
for e in aCe: select( e, r=1 ); aC.append( polyToCurve( f=2, dg=1 ) )
grp = group( aC, n='extr_crv_grp')
setAttr( grp + '.overrideEnabled', 1 )
setAttr( grp + '.overrideColor', 17 )
select( grp, r=1 )