django_tables2.py 文件源码

def title(value):
    '''
    A slightly better title template filter.

    Same as Django's builtin `~django.template.defaultfilters.title` filter,
    but operates on individual words and leaves words unchanged if they already
    have a capital letter.
    '''

    def title_word(w):
        return w if RE_UPPERCASE.search(w) else old_title(w)

    return re.sub('(\S+)', lambda m: title_word(m.group(0)), value)