PyENV Update Script

pyenv_update.sh

# A function to update the python version in a pyenv virtualenv
# Usage: pyenv_update <version>
# Example: pyenv_update 3.9.7
# Note: This will remove the virtualenv and recreate it.
pyenv_update() {
    PYENV_FILE=.python-version
    PYENV_FREEZE_FILE=.requirements-lock.txt

    # Check if version argument is provided
    if [ -z "$1" ]; then
        echo "❌ Error: Please specify the version of python to update to."
        echo "Usage: pyenv_update <version>"
        echo "Example: pyenv_update 3.9.7"
        return 1
    fi

    # Check if .python-version exists
    if [ ! -f "$PYENV_FILE" ]; then
        echo "❌ Error: $PYENV_FILE does not exist in current directory."
        return 1
    fi

    echo "🔍 Current directory: $(pwd)"
    pyenv_version=$(head -n 1 $PYENV_FILE)
    echo "📦 Updating from Python $pyenv_version to $1"

    # Install new Python version if needed
    echo "🔧 Installing Python $1 if not already installed..."
    pyenv install -s "$1"

    # Save current dependencies
    echo "📝 Saving current dependencies..."
    pip freeze > $PYENV_FREEZE_FILE

    # Remove old virtualenv
    echo "🗑️  Removing old virtualenv..."
    pyenv uninstall -f $pyenv_version

    # Create new virtualenv
    echo "🏗️  Creating new virtualenv..."
    pyenv virtualenv $1 $pyenv_version

    # Upgrade pip and reinstall dependencies
    echo "🔼  Upgrading pip..."
    pip install --upgrade pip >/dev/null 2>&1

    echo "📥 Reinstalling dependencies..."
    pip install -r $PYENV_FREEZE_FILE >/dev/null 2>&1

    # Cleanup
    rm $PYENV_FREEZE_FILE
    
    echo "✅ Successfully updated to Python $1"
    echo "🐍 Current Python version: $(python --version)"
}

Ur the best <3