Add script with basic functionality to manage a basic working environment.

dev.sh

@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+set -eo pipefail
+
+function initialize_venv() {
+    echo "Setting up the development environment..."
+    python -m venv venv
+    echo "Activating venv..."
+    source venv/bin/activate
+    echo "Upgrading venv pip..."
+    pip install -q --upgrade pip
+    echo "Installing dependencies..."
+    pip install -q -r requirements.txt
+    echo "Done."
+}
+
+function update_venv() {
+    echo "Updating venv..."
+    echo "Checking if venv exists..."
+    if [ ! -e venv ]; then
+        echo "No Virtual Environment found, exiting..."
+        exit
+    fi
+
+    echo "Checking for active virtual env..."
+    if [ -n "$VIRTUAL_ENV" ]; then
+        echo "found active Virtual env $VIRTUAL_ENV, deactivating..."
+        deactivate
+    fi
+
+    echo "Activating venv..."
+    source venv/bin/activate
+    echo "Upgrading pip..."
+    pip install -q --upgrade pip
+    echo "Installing dependencies..."
+    pip install -q -r requirements.txt
+    echo "Done."
+}
+
+function clean_venv() {
+    echo "Cleaning Development environment..."
+    echo "Checking for active virtual env..."
+    if [ -n "$VIRTUAL_ENV" ]; then
+        echo "found active Virtual env $VIRTUAL_ENV, deactivating..."
+        deactivate
+    fi
+
+    if [ -e venv ]; then
+        echo "Removing virtual env venv..."
+        rm -rf venv/
+        echo "Done."
+        exit
+    fi
+    echo "No virtual environment called venv found."
+    echo "Nothing to do."
+
+}
+
+
+# Main section
+if [ "$#" == 0 ]; then
+    if [ -e venv ]; then
+        echo "There is nothing to do. Use 'update' to update the development environment or 'clean' to remove the environment."
+        exit
+    fi
+    initialize_venv
+    exit
+
+elif [ "$1" == "update" ]; then
+    update_venv
+    exit
+
+elif [ "$1" == "clean" ]; then
+    clean_venv
+    exit
+
+else
+    echo "Unknown option. Use 'update' to update the venv and use 'clean' to remove the venv."
+    exit
+fi