New: script for creation of virtual python environment.

bin/create_python_env.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+#   create_python_env.sh (C) 2023, Peter Sulyok
+#   This script will install python in a virtual environment with project dependencies.
+#
+
+# Check the first command-line parameter.
+if [ "$1" = "" ];
+then
+    echo "Use: "$(basename "$0")" 3.12.1"
+    exit -1
+fi
+
+# Install the specified python version if it hasn't been already installed.
+python_version=$(pyenv version --bare|grep $1)
+if [[ "$python_version" = "" || "$?" = "1" ]];
+then
+    pyenv install $1
+fi
+python_version=$1
+
+# Select the python version locally.
+pyenv local $python_version
+
+# Create and activate a virtual environment.
+python -m venv .venv-$python_version
+. .venv-$python_version/bin/activate
+
+# Upgrade pip and install required python modules.
+pip install --upgrade pip
+pip install -r requirements-dev.txt
+pip install -r docs/requirements-docs.txt
+
+# Notify user about required activation.
+echo ""
+echo "Do not forget to activate the new Python virtual environment:"
+echo "-> source .venv-$python_version/bin/activate"