gettextutils.py 文件源码

def _make_translation_func(self, domain=None):
        """Return a new translation function ready for use.

        Takes into account whether or not lazy translation is being
        done.

        The domain can be specified to override the default from the
        factory, but the localedir from the factory is always used
        because we assume the log-level translation catalogs are
        installed in the same directory as the main application
        catalog.

        """
        if domain is None:
            domain = self.domain
        if self.lazy:
            return functools.partial(Message, domain=domain)
        t = gettext.translation(
            domain,
            localedir=self.localedir,
            fallback=True,
        )
        if six.PY3:
            return t.gettext
        return t.ugettext