Access Huawei switch via NETCONF with python script

netconf_huawei.py

#!/usr/bin/python
import sys
import code
from lxml import etree
from lxml.builder import E
from ncclient import manager

_, ip, user, passwd = sys.argv

netconf = manager.connect(host=ip, port=830, username=user, password=passwd,
                          hostkey_verify=False, allow_agent=False,
                          look_for_keys=False, device_params={'name': 'huawei'})
IETF_XMLNS_BASE = 'urn:ietf:params:xml:ns:netconf:base:1.0'
XMLNS_HUAWEI = 'http://www.huawei.com/netconf/vrp'
HUAWEI_NSMAP = {'xmlns': XMLNS_HUAWEI, 'format-version': '1.0', 'content-version': '1.0'}

def netconf_get(lxml_filter):
    xml = etree.tostring(lxml_filter)
    print xml
    return netconf.get(('subtree', xml)).xml

def netconf_edit(*elements):
    xml_config = etree.tostring(E.config(*elements, xmlns=IETF_XMLNS_BASE))
    print xml_config
    return netconf.edit_config(target='running', config=xml_config)

def classifier_filter(name):
    return E.qos(E.qosCbQos(
        E.qosClassifiers(E.qosClassifier(E.classifierName(name)))
    ), HUAWEI_NSMAP)

def behavior_filter(name):
    return E.qos(E.qosCbQos(E.qosBehaviors(
        E.qosBehavior(E.behaviorName(name))
    )), HUAWEI_NSMAP)

def acl_filter(name):
    return E.acl(E.aclGroups(E.aclGroup(E.aclNumOrName(name))), HUAWEI_NSMAP)

def qos_policy_filter(name):
    return E.qos(E.qosCbQos(E.qosPolicys(E.qosPolicy(E.policyName(name)))), HUAWEI_NSMAP)

def fans_filter():
    return E.devm(E.fans(E.fan(E.position(), E.speed())), HUAWEI_NSMAP)

def applied_qos_policy_filter(ifname=None, name=None, direction=None):
    elements = []
    if name:
        elements.append(E.policyName(name))

    if ifname:
        assert direction
        return E.qos(E.qosIfQoss(E.qosIfPolicyApplys(
            E.qosIfPolicyApply(E.ifName(ifname), E.direction(direction), *elements)
        )), HUAWEI_NSMAP)

def interfaces_filter():
    return E.ifm(E.interfaces(E.interface(E.ifIndex(), E.ifName())), HUAWEI_NSMAP)

def used_classifier_filter():
    return E.qos(E.qosCbQos(E.qosPolicys(E.qosPolicy(E.qosPolicyNodes(E.qosPolicyNode(E.classifierName()))))), HUAWEI_NSMAP)

def netconf_cli(cmd):
    if isinstance(cmd, str):
        cmd = [cmd]
    cmd_reqs = []
    for i in xrange(len(cmd)):
        cmd_reqs.append(E.cmd(E.id(str(i)), E.cmdline(cmd[i])))
    xml_cli = etree.tostring(E('execute-cli', *cmd_reqs, xmlns=IETF_XMLNS_BASE))
    print xml_cli

code.interact(local=locals())

This is much needed , thanks mate :)