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Install_Python.md

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Why python3.7 instead of python3.6.9?

The objective is to run the GUI with python 3.7 - because customtkinter libraries does not support python3.6 -, while all other scripts have to be run with python3.6.

Installing python 3.7

  1. To install Python3.7 run:

        sudo apt update
    sudo apt install -y python3.7

  2. Upgrade pip:

        python3.7 -m pip install --upgrade pip

  3. Ensure Python3.7 and pip are correctly installed:

        python3.7 --version

    Output should be something like: Python 3.7.X 

        python3.7 -m pip --version

    Output should be something like: pip X.X.X from path/lib/python3.7/site-packages (python 3.7)

  4. Execute these commands to choose the Python version:

        sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
        sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 2 
        sudo update-alternatives --config python3

    Select 1 and choose Python 3.6.9 as Python3 default version (necessary to run mininet)

Libraries used

To see witch libraries we used, take a look at the requirements.txt file.

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