i18n.py 文件源码

def get_translations(languages=None, getter=get_builtin_gnu_translations):
    """
    Get a WTForms translation object which wraps a low-level translations object.

    :param languages:
        A sequence of languages to try, in order.
    :param getter:
        A single-argument callable which returns a low-level translations object.
    """
    translations = getter(languages)

    if hasattr(translations, 'ugettext'):
        return DefaultTranslations(translations)
    else:
        # Python 3 has no ugettext/ungettext, so just return the translations object.
        return translations