$ cat __init__.py
# -*- coding: utf-8 -*-
##----------------------------------------------------------------------
## Vendor: NAG
## OS:     ERD
##----------------------------------------------------------------------
## Copyright (C) 2007-2015 The NOC Project
## See LICENSE for details
##----------------------------------------------------------------------

## Python modules
from HTMLParser import HTMLParser
## NOC modules
from noc.sa.profiles import Profile as NOCProfile
from noc.sa.protocols.sae_pb2 import HTTP


dat = []
class Profile(NOCProfile):
    name = "NAG.ERD"
    supported_schemes = [NOCProfile.HTTP]

    nag_erd_plat={
        "1": "1",
        "2": "2",
        "3": "3",
        "4": "3S",  # "3S",
        "5": "Pro",
        }

    class MyHTMLParser(HTMLParser):
#        dat = []
        def handle_data(self, data):
            global dat
            dat.append(data)
#            dat += [data]
            print dat # Отработал хорошо!
            return dat



$ cat get_chassis_id.py
# -*- coding: utf-8 -*-
##----------------------------------------------------------------------
## NAG.ERD.get_chassis_id
##----------------------------------------------------------------------
## Copyright (C) 2007-2015 The NOC Project
## See LICENSE for details
##----------------------------------------------------------------------

## Python modules
#from HTMLParser import HTMLParser
## NOC modules
from noc.sa.script import Script as NOCScript
from noc.sa.interfaces import IGetChassisID
#from noc.sa.profiles.NAG.ERD import MyHTMLParser

"""
dat = []
class MyHTMLParser(HTMLParser):
    def handle_data(self, data):
        global dat
        dat.append(data)
#        dat += [data]
#        print dat
        return dat
"""

class Script(NOCScript):
    name = "NAG.ERD.get_chassis_id"
    implements = [IGetChassisID]
    cache = True

    def execute(self):
        # Try SNMP first
        if self.snmp and self.access_profile.snmp_ro:
            try:
                mac = self.snmp.get("1.3.6.1.2.1.2.2.1.6.0", cached=True)
                return {
                        "first_chassis_mac": mac,
                        "last_chassis_mac": mac
                        }
            except self.snmp.TimeOutError:
                pass

        # Fallback to HTTP
        dat = self.profile.MyHTMLParser().feed(self.http.get("/ipconf=1"))
#        MyHTMLParser().feed(self.http.get("/ipconf=1"))
#        print dat
        return {
                "first_chassis_mac": dat[1],
                "last_chassis_mac": dat[1]
                }


<type 'exceptions.TypeError'>
'NoneType' object has no attribute '__getitem__'
START OF TRACEBACK
------------------------------------------------------------------------
File: sa/profiles/NAG/ERD/get_chassis_id.py (Line: 49)
Function: execute
   42                     pass
   43
   44             # Fallback to HTTP
   45             dat = self.profile.MyHTMLParser().feed(self.http.get("/ipconf=1"))
   46     #        MyHTMLParser().feed(self.http.get("/ipconf=1"))
   47     #        print dat
   48             return {
   49 ==>                 "first_chassis_mac": dat[1],
   50                     "last_chassis_mac": dat[1]
   51                     }
Variables:
                 dat = None
                self = <Script(Thread-2, started daemon 133026902517504)>