Launchpad check of %s, %d... strings

Danilo Šegan danilo at
Mon Jul 13 10:07:59 BST 2009

Hi Milo,

У нед, 12. 07 2009. у 16:48 +0200, Milo Casagrande пише:

> I would like to point you to this string:
> The format specifier of that string, is wrong. We are not able to
> understand how that could have been done: if the PO file was
> downloaded and then uploaded again or what else.

It's simple:

 Initial POT:
   msgid "blah %d"
   msgstr ""

 Initial it.po:
   msgid "blah %d"
   msgstr "blah %s"

 Updated POT:
   #, python-format
   msgid "blah %d"
   msgstr ""

and you've got yourself a problem.

> We have also no idea if it's a bug or what. The string is a
> python-format string and we know that Launchpad throws an error if you
> translate a %s in a wrong way...

True, but what Launchpad lacks is doing a re-check when python-format or
c-format flag is introduced later.

See for details.

Basically, what Launchpad would have to do is when a POT file is being
imported, it should validate all existing translations again.  We don't
do that for performance reasons, so perhaps we'd need to track mutating
*-format flags.


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