code: def shv(command, capture=False, ignore_error=False, cwd=None):
      
      _setVirtualEnv()
      try:
          command = "%s; %s" % (options.virtualenv.activate_cmd, command)
      except AttributeError:
          pass
      return bash(command, capture=capture, ignore_error=ignore_error, cwd=cwd)
docs: Run the given command inside the virtual environment, if available: