wsgi.py 文件源码

def translate_exception(req, e):
    """Translates all translatable elements of the given exception."""

    # The RequestClass attribute in the webob.dec.wsgify decorator
    # does not guarantee that the request object will be a particular
    # type; this check is therefore necessary.
    if not hasattr(req, "best_match_language"):
        return e

    locale = req.best_match_language()

    if isinstance(e, webob.exc.HTTPError):
        e.explanation = i18n.translate(e.explanation, locale)
        e.detail = i18n.translate(e.detail, locale)
        if getattr(e, 'body_template', None):
            e.body_template = i18n.translate(e.body_template, locale)
    return e