config.py 文件源码

def bootstrap(self, replace_if_newer=False):
        domain = self._domain
        self.log.debug('Bootstrapping provider %s' % domain)

        def first_bootstrap_done(ignored):
            try:
                self.first_bootstrap.callback('got config')
            except defer.AlreadyCalledError:
                pass

        def first_bootstrap_error(failure):
            self.first_bootstrap.errback(failure)
            return failure

        d = self.maybe_download_provider_info(replace=replace_if_newer)
        d.addCallback(self.maybe_download_ca_cert, replace_if_newer)
        d.addCallback(self.validate_ca_cert)
        d.addCallbacks(first_bootstrap_done, first_bootstrap_error)
        d.addCallback(self.maybe_download_services_config)
        self.ongoing_bootstrap = d