conf.py 文件源码

def get_fallback_chain(lang):
    '''
    Returns the list of fallback languages for language `lang`.

    For example, this function will return `('nl', 'en')` when called
    with `lang='fy'` and configured like this::

        LANGUAGE_CODE = 'en'

        MODELTRANS_FALLBACK = {
           'default': (LANGUAGE_CODE, ),
           'fy': ('nl', 'en')
        }
    '''
    MODELTRANS_FALLBACK = get_fallback_setting()

    if lang not in MODELTRANS_FALLBACK.keys():
        lang = 'default'

    return MODELTRANS_FALLBACK[lang]