tables.py 文件源码

def get_format(image):
    format = getattr(image, "disk_format", "")
    # The "container_format" attribute can actually be set to None,
    # which will raise an error if you call upper() on it.
    if not format:
        return format
    if format == "raw":
        if getattr(image, "container_format") == 'docker':
            return pgettext_lazy("Image format for display in table",
                                 u"Docker")
        # Most image formats are untranslated acronyms, but raw is a word
        # and should be translated
        return pgettext_lazy("Image format for display in table", u"Raw")
    return format.upper()