[Yum-devel] yum.i18n issues

James Antill james.antill at redhat.com
Mon May 5 20:20:05 UTC 2008

On Mon, 2008-05-05 at 15:53 -0400, Luke Macken wrote:
> Hey,
> So I recently ran into a problem with some test cases for another project, caused
> by yum overriding the builtin '_' and replacing it with the yum.i18n.dummy_wrapper.
> One of the libraries I am using then tried to pass a 'domain' argument to
> '_', thus triggering an exception, since the dummy_wrapper does not take
> any arguments.
> The yum.i18n module runs gettext.translation.install(), which ideally
> should only be used for applications[0], not modules[1].
> So, a potential solution would be to define '_' in the i18n module,
> by doing something like this:
>     t = gettext.translation('yum', fallback=True)
>     _ = t.ugettext
> And import '_' from it where necessary.
> What do you guys think?

 So that's how we had the code for a while, the big reason we changed
from that is that we wanted to be able to turn gettext off from within
the yum API (this was when unicode was causing _lots_ of problems, due
to stdout's error handler).
 Assuming that:

 i18n._ = i18n.dummy_wrapper

...works[1] fine from within __init__.py ... I think it's fine to change
it back.
 Oh, and also make sure that test/yum-release-i18n-test.sh works after
that change is installed on the running system ... just to be sure.

[1] Read: Changes what _() does for everything that's imported _ from
yum.i18n ... I'd guess this would happen, but I haven't tested it.

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