Merge pull request #13 from NillionNetwork/fix/venv_python_calls

fix: ensure Python 3.11 >= requirement is met for create-venv.sh

packages/nillion/create-venv.sh

@@ -1,22 +1,35 @@
 #!/usr/bin/env bash
 
+PYTHON_MAJOR_MINOR_VERSION=""
+
+function check_python_version() {
+  required_version="3.11"
+  current_version=$(python3 --version | cut -d ' ' -f2)
+  PYTHON_MAJOR_MINOR_VERSION=$(echo $current_version | cut -d '.' -f1,2)
+  if ! printf '%s\n' "$required_version" "$current_version" | sort -V | head -n 1 | grep -qx "$required_version"; then
+    echo "This script requires Python ${required_version} or higher. You are running Python $current_version."
+    exit 1
+  fi
+}
+
 function create_venv () {
   if [[ ! -z "${VIRTUAL_ENV:-}" ]]; then
     echo "Virtualenv is already active! Run 'deactivate' to deactivate the virtualenv."
     return 0
   fi
 
   echo "Creating virtualenv"
-  python3.11 -m pip install install --user virtualenv==20.24.6
+  python3 -m pip install --user virtualenv==20.24.6
 
   NILLION_VENV=".venv"
   mkdir -p "$NILLION_VENV"
-  python3.11 -m virtualenv -p python3.11 "$NILLION_VENV"
+  python3 -m virtualenv -p python3 "$NILLION_VENV"
   source "$NILLION_VENV/bin/activate"
-  python3.11 -m pip install -r requirements.txt
+  python3 -m pip install -r requirements.txt
 
   echo "Virtualenv: $NILLION_VENV"
-  echo "Check the $NILLION_VENV/lib/python3.11/site-packages folder to make sure you have py_nillion_client and nada_dsl packages"
+  echo "Check the $NILLION_VENV/lib/python${PYTHON_MAJOR_MINOR_VERSION}/site-packages folder to make sure you have py_nillion_client and nada_dsl packages"
 }
 
+check_python_version
 create_venv