variables.py 文件源码

def get_value(var, session=None):
    """ get_value.

    Get a variable's value. If no session provided, use default one.

    Arguments:
        var: `Variable`. The variable to get value from.
        session: `Session`. The session to run the op. Default: the default
            session.

    Returns:
        The variable's value.

    """
    if not session:
        session = tf.get_default_session()
    return var.eval(session)