__init__.py 文件源码

def save_app(manifest, container_dir, app_json=STATE_JSON):
    """Saves app manifest and freezes to object."""
    # Save the manifest with allocated vip and ports in the state
    state_file = os.path.join(container_dir, app_json)
    fs.write_safe(
        state_file,
        lambda f: json.dump(manifest, f)
    )
    # chmod for the file to be world readable.
    if os.name == 'posix':
        os.chmod(
            state_file,
            stat.S_IWUSR | stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH
        )

    # Freeze the app data into a namedtuple object
    return utils.to_obj(manifest)