launchpad-dev team mailing list archive

[Barry Warsaw <barry@xxxxxxxxxxxxx>]

On Jun 14, 2011, at 09:54 PM, Robert Collins wrote:

>We got our original test fixture code from U1 which runs up ephemeral
>servers as part of their test suite. Unlike use they start that from
>outside the test suite. So one possibility is that its the old 'python
>tramps all over SIGPIPE' behaviour tripping us up. We run rabbit from
>within python so that each worker in parallel test mode can get its
>own rabbit and not stomp on other tests.

If this is indeed the problem, it shouldn't be too difficult to work around.

During my last stint as Ubuntu patch pilot, I reviewed this change to
ubuntu-dev-tools that does just that:

https://code.launchpad.net/~broder/ubuntu-dev-tools/fix-785854/+merge/62180

The reasons I marked this as Needs Fixing wouldn't be relevant for a
Launchpad-specific workaround that does the same thing.  Also note that the
fix for the upstream bug:

http://bugs.python.org/issue1652

didn't make it into Python 2.7 unfortunately, but did make it into Python
3.2.  Not that that helps Launchpad much. ;)

Just saying that Python 2's SIGPIPE unfriendliness shouldn't be that much of
an impediment in practice.

-Barry

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