code: def openstack_upgrade_available(package):
      
  
      import apt_pkg as apt
      src = config('openstack-origin')
      cur_vers = get_os_version_package(package)
      if not cur_vers:
          # The package has not been installed yet do not attempt upgrade
          return False
      if "swift" in package:
          codename = get_os_codename_install_source(src)
          avail_vers = get_os_version_codename_swift(codename)
      else:
          avail_vers = get_os_version_install_source(src)
      apt.init()
      return apt.version_compare(avail_vers, cur_vers) >= 1
docs: Determines if an OpenStack upgrade is available from installation
      source, based on version of installed package.
  
      :param package: str: Name of installed package.
  
      :returns: bool:    : Returns True if configured installation source offers
                           a newer version of package.