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<a href="#upgrade-the-ubuntu-distribution" class="md-nav__link">
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Upgrade the Ubuntu distribution
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<a href="#install-pyenv-dependencies" class="md-nav__link">
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Install PyEnv dependencies
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<a href="#install-pyenv" class="md-nav__link">
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Install PyEnv
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Restart the machine
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<a href="#install-python-39-over-pyenv" class="md-nav__link">
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Install Python 3.9 over PyEnv
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<a href="#create-the-virtual-environment-for-teraflowsdn" class="md-nav__link">
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Create the Virtual Environment for TeraFlowSDN
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<a href="#install-the-basic-python-packages-within-the-virtual-environment" class="md-nav__link">
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Install the basic Python packages within the virtual environment
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<a href="#generate-the-python-code-from-the-grpc-proto-messages-and-services" class="md-nav__link">
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Generate the Python code from the gRPC Proto messages and services
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<h1>2.1.1. Python</h1>
<p>This section describes how to configure the Python environment to run experiments and
develop code for the ETSI TeraFlowSDN controller.
In particular, we use <a href="https://github.com/pyenv/pyenv">PyEnv</a> to install the appropriate
version of Python and manage the virtual environments.</p>
<h2 id="upgrade-the-ubuntu-distribution">Upgrade the Ubuntu distribution</h2>
<p>Skip this step if you already did it during the installation of your machine.</p>
<pre><code class="language-bash">sudo apt-get update -y
sudo apt-get dist-upgrade -y
</code></pre>
<h2 id="install-pyenv-dependencies">Install PyEnv dependencies</h2>
<pre><code class="language-bash">sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget \
curl llvm git libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
</code></pre>
<h2 id="install-pyenv">Install PyEnv</h2>
<p>We recommend installing PyEnv through<br />
<a href="https://github.com/pyenv/pyenv-installer">PyEnv Installer</a>.
Below you can find the instructions, but we refer you to the link for updated
instructions.</p>
<pre><code class="language-bash">curl https://pyenv.run | bash
# When finished, edit ~/.bash_profile // ~/.profile // ~/.bashrc as the installer proposes.
# In general, it means to append the following lines to ~/.bashrc: