locale.py 文件源码

def gettext(self, msgid):
        """
        Obtain translation of gettext, return a unicode object

        :param msgid: The string to translated.
        :type msgid: unicode
        :returns: Translation or the original.
        :rtype: unicode
        """
        # If msgid =="" then gettext will return po file header
        # and that's not what we want.
        if len(msgid.strip()) == 0:
            return msgid
        return gettext.GNUTranslations.gettext(self, msgid)