def _parse_host_entry(self, host_data):
        if 'name' not in host_data:
            raise BootstrapSourceError(self.ERROR_PREFIX % "Missing key 'name' on host item")
        if 'cdn' not in host_data:
            raise BootstrapSourceError(self.ERROR_PREFIX + "Missing key 'cdn' on host item")

        host = {
            'hostname': host_data['name'],
            'cdn': host_data['cdn'],
        }

        if 'ssl' in host_data:
            host['ssl'] = host_data['ssl']

        self.hosts[host['hostname']] = host
dataset/ETHPy150Open CacheBrowser/cachebrowser/cachebrowser/bootstrap.py/LocalBootstrapSource._parse_host_entry/operator `+` -> `%`