Launchpadlib support in Ubuntu Developer Tools

[Stefan Potyra]

Hi,

On Thursday 15 January 2009 01:48:44 Kees Cook wrote:
[..]
>
> Now I have to redeem my embarrassment by suggesting this as a way to avoid
> the create/chmod race when fchmod is unavailable:
>
>         credfd = tempfile.NamedTemporaryFile(dir=os.path.dirname(credfile))
>         launchpad.credentials.save(credfd)
>         os.link(credfd.name, credfile)
>         credfd.close()
>
> The link will fail if the target exists, and the close will clean up the
> original file.  Wheee  :)

how about simply using os.open() to avoid the race in the first place?
Or mangle the umask to the right thing before the (fd)open?

Cheers,
     Stefan.