utils.py 文件源码

def unique_contents(base_manifest_fn, image_manifest_fn):
    """
    Get a list of files unique to the bundle image

    Compare the bundle image manifest to the base image manifest and return
    a list of files unique to the bundle image.

    base_manifest_fn -- the base image manifest
    image_manifest_fn -- the bundle image manifest
    """
    import difflib
    differ = difflib.Differ()

    base_manifest_list = []
    with open(base_manifest_fn) as base:
        base_manifest_list = base.read().splitlines()

    image_manifest_list = []
    with open(image_manifest_fn) as image:
        image_manifest_list = image.read().splitlines()

    delta = list(differ.compare(base_manifest_list, image_manifest_list))

    return delta_contents(delta)


# FIXME: Mariano proposed a similar method to OE-Core for package_manager