libsmi.py

from ctypes import *
from constants import *

clibsmi=CDLL("libsmi.so.2.0.25")
clibsmi.smiInit()
smiNode = POINTER(SmiNode)
oid = c_char_p("1")

clibsmi.smiGetNode.restype = smiNode
sn=clibsmi.smiGetNode(None,oid)
sno=sn.contents

clibsmi.smiGetNextNode.restype = smiNode
sn=clibsmi.smiGetNextNode(pointer(sno),SMI_NODEKIND_ANY)