updater.py 文件源码

def _bootstrap(self, max_retries, clean, webhook_url, allowed_updates, cert=None):
        retries = 0
        while 1:

            try:
                if clean:
                    # Disable webhook for cleaning
                    self.bot.delete_webhook()
                    self._clean_updates()
                    sleep(1)

                self.bot.set_webhook(
                    url=webhook_url, certificate=cert, allowed_updates=allowed_updates)
            except (Unauthorized, InvalidToken):
                raise
            except TelegramError:
                msg = 'error in bootstrap phase; try={0} max_retries={1}'.format(retries,
                                                                                 max_retries)
                if max_retries < 0 or retries < max_retries:
                    self.logger.warning(msg)
                    retries += 1
                else:
                    self.logger.exception(msg)
                    raise
            else:
                break
            sleep(1)