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Python OO API package to automate Spirent TestCenter (STC) traffic generator

Project description

Python OO API for Spirent TestCenter (STC).


The current version supports the following test flow:

  • Load configuration -> Get/Set attributes -> Start/Stop traffic -> Get statistics.

Supported operations:

  • Basic operations - get/set attributes, get/create children.
  • Connect - to chassis or lab server
  • Load configuration - load configuration (tcc or XML), reserve ports and analyze the configuration
  • Start/Stop - arp, ping, devices, ports, streams
  • Statistics - subscribe, read views, unsubscribe
  • Save configuration and results
  • Disconnect

The package also support Add/Remove objects so it supports the following test case:

  • Build configuration -> Start/Stop traffic -> Get statistics.

But this is less documented at this version.

Low level APIs

  • StcTclWrapper - a Python wrapper (using Python Tk package) over STC native Tcl API (SpirentTestCenter) .
  • StcPythonWrapper - a Python wrapper over STC native Python API (
  • StcRestWrapper - a Python wrapper over STC lab server REST API (using stcrestclient package).


pip instsll pytestcenter

TestCenter application installed for Tcl and Python APIs.
Lab/Rese server for REST API.

Getting started

Under testcenter.test.stc_samples you will find some basic samples. See inside for more info.



Feel free to contact me with any question or feature request at

Project details

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