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nxpy: Network XML Python Proxy

Project description

nxpy: Network XML Python Proxy

nxpy maps exported XML configuration (from Juniper network devices) to python classes. It is compatible only with Junipers' xml configuration and is developed to work alongside ncclient.

nxpy allows for retrieving the device configuration in xml format (using either netconf or "show configuration | display xml" via an expect script), transform the configuration to python classes in order to manipulate them (view, edit, delete). After editing, the configuration can be applied back to the device via netconf or cli expect.

Furthermore, it allows for building configuration via python classes, and apply it to the device(s) via netconf or cli expect. For the time, it supports limited configuration changes.



  • Python 2.6 <= version < 3.0
  • lxml (tested with 2.2.6)

To install:

python install


  • Grab the configuration in xml format

Let's say that you have grabbed your Juniper device configuration in xml format (This is STRICT!!!). You can use either "show configuration | display xml" (and copy paste the output to a file), or use an automated cli excpect script or invoke netconf. nxpy is developed as a companion to ncclient.

  • Feed the configuration to nxpy
import nxpy as np
conf = np.Parser(<configuration_file_OR_configuration_text>)
conf = conf.export()

To check if it worked:


( should get the list of device interfaces)


  • v0.4.3:
    • Python packaging changes (README,
    • Change license to GPLv3
  • v0.4.2:
    • Preliminary support for L2VPNS
    • Ethernet OAM support
  • v0.4.1:
    • Fix version in
  • v0.4:
    • Added full support for bgp flowspec (routing-options flow) configuration
  • v0.3:
    • Support for basic interface configuration (name, description, vlan)
    • Support for basic vlan configuration


This project is licensed under the GPL License - see the LICENSE file for details.

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