gettextutils.py 文件源码

def __getattribute__(self, name):
        # NOTE(mrodden): handle lossy operations that we can't deal with yet
        # These override the UserString implementation, since UserString
        # uses our __class__ attribute to try and build a new message
        # after running the inner data string through the operation.
        # At that point, we have lost the gettext message id and can just
        # safely resolve to a string instead.
        ops = ['capitalize', 'center', 'decode', 'encode',
               'expandtabs', 'ljust', 'lstrip', 'replace', 'rjust', 'rstrip',
               'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
        if name in ops:
            return getattr(self.data, name)
        else:
            return _userString.UserString.__getattribute__(self, name)