Steps To Install Pyang On Windows 7

Pyang is an extremely useful tool for

  • Validating YANG Files
  • Generating UML diagrams from YANG Models
  • Generating tree representation of YANG models for quick visulization

For more information on pyang, refer this link.

Below are the steps to install pyang on windows 7.

Step 1: Install Git Bash

Since you must be using Git already, I assume you already have Git Bash installed. If not, refer to this link.

Step 2: Install Python

  • Download latest version of Python from this link.
  • Run downloaded file python-3.3.4.msi by double clicking on it.
  • Once installation is complete, add it’s location in Path environment variable. (Open “System -> Advanced system settings -> Environment Variables”. Under System variables edit Path by adding C:\Python33)
  • Open Git Bash terminal and run python -V to verify that python is installed.

Step 3: Install Pyang

  • Download latest version of Pyang from this link. Extract zip file.
  • Open Git Bash terminal.
  • From terminal go to the location where Pyang is download.
  • Run source ./
  • Run python install
  • Once installed, update Path environment variable by adding C:\pyang-1.4.1.tar\pyang-1.4.1\bin
  • Open another Git Bash terminal.
  • Run pyang -v to check if Pyang is installed.



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  2. bharath says

    installed pyang as per the above procedure but unable to find the path – C:\pyang-1.4.1.tar\pyang-1.4.1\bin. so unable to update the system env variable. it got installed in the below path but there is no bin file here.

    Installed c:\users\bshiva\appdata\local\programs\python\python35\lib\site-packages\pyang-1.7.2-py3.5.egg
    Processing dependencies for pyang==1.7.2
    Finished processing dependencies for pyang==1.7.2

    Please let me know how to start the pyang tool and how to make it work here. what is the path to be used in system enn path variable.

    • ganesh says

      Hi bharath,

      It would be installed under C:\Python27\Scripts
      Add this path to environment variables,

      pyang -v would work fine after that.

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