_socket.py 文件源码

def getnameinfo(sockaddr, flags):
    """Look up a name given a numeric address.

    Arguments and return values are identical to :func:`socket.getnameinfo`,
    except that this version is async.

    This function's behavior can be customized using
    :func:`set_custom_hostname_resolver`.

    """
    hr = _overrides.hostname_resolver
    if hr is not None:
        return await hr.getnameinfo(sockaddr, flags)
    else:
        return await run_sync_in_worker_thread(
            _stdlib_socket.getnameinfo, sockaddr, flags, cancellable=True
        )