base.py 文件源码

def check_new_release(self, print_output=False):
        checker = LastVersion(
            cache_dir=program_config.get_dir("cache_dir"),
            cache_expiry={"general": 604800}
        )

        try:
            checker.load_data()
        except LastVersionCheckingError as e:
            if print_output:
                print(str(e))
            else:
                logging.warning(str(e))
            return

        last_version = checker.last_version

        if not last_version:
            msg = "Can't understand the latest version: empty response"
            if print_output:
                print(msg)
            else:
                logging.warning(msg)
            return

        try:
            version.parse(last_version)
        except Exception as e:
            msg = "Can't understand the latest version: {}".format(str(e))
            if print_output:
                print(msg)
            else:
                logging.warning(msg)

        new_rel = version.parse(last_version) > version.parse(__version__)

        url = "https://github.com/pierky/arouteserver/releases"

        if print_output:
            if new_rel:
                print("A new release of ARouteServer is available")
                print("Details at " + url)
            else:
                print("No new releases are available")
            print("")
            print("Current version: {}".format(__version__))
            print("Latest version : {}".format(last_version))
        else:
            if new_rel:
                logging.warning("A new release is available: {} "
                                "(running version: {}) - "
                                "Details at {}".format(
                                    last_version, __version__, url
                                ))