channel.py 文件源码

def create_grpc_channel(target, pem=None, opts=None):
    """Construct a grpc channel.

    Args:
        target: url of target include host:port
        pem: ssl/tls pem file as bytes
        opts: grpc channel options
                grpc.default_authority: default authority
                grpc.ssl_target_name_override: ssl target name override

    Returns:
        grpc channel

    """
    if pem is None:
        return grpc.insecure_channel(target, opts)
    else:
        creds = grpc.ssl_channel_credentials(pem)
        return grpc.secure_channel(target, creds, opts)