code: def needs_packages(*packages):
      '''Decorator: ensure that packages are installed on host given by fabric
      argument `-H` (local or remote).
      '''
      def real_decorator(func):
  
          @wraps(func)
          def wrapper(*args, **kwargs):
              non_installed = _non_installed(packages)
              if non_installed:
                  what_for = 'in order to run this task'
                  install_packages(non_installed, what_for=what_for)
              return func(*args, **kwargs)
  
          return wrapper
  
      return real_decoratof needs_packages(*packages):
      '''Decorator: ensure that packages are installed on host given by fabric
      argument `-H` (local or remote).
      '''
      def real_decorator(func):
  
          @wraps(func)
          def wrapper(*args, **kwargs):
              non_installed = _non_installed(packages)
              if non_installed:
                  what_for = 'in order to run this task'
                  install_packages(non_installed, what_for=what_for)
              return func(*args, **kwargs)
  
          return wrapper
  
      return real_decorator
docs: Decorator: ensure that packages are installed on host given by fabric
      argument `-H` (local or remote).