Re: [Autotest] [KVM-AUTOTEST PATCH] KVM test: kvm_subprocess: fix a problem that arises with Python 2.6

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On Fri, Jul 24, 2009 at 11:07 AM, Michael Goldish<mgoldish@xxxxxxxxxx> wrote:
> After launching the server the client waits for it to finish initializing.
> This is done by waiting for a line of output from the server's STDOUT.
> Currently, the client assumes that the first line of output coming from the
> server indicates that it's done initializing.  With Python 2.4 this used to be
> true, but Python 2.6 prints deprecation warnings for certain standard modules
> as soon as they are imported.  This makes the client think the server is ready
> when in fact it isn't.
>
> This patch fixes the problem by waiting for a certain unique output line from
> the server instead of just waiting for the first line.

Great! applied.

> Signed-off-by: Michael Goldish <mgoldish@xxxxxxxxxx>
> ---
>  client/tests/kvm/kvm_subprocess.py |    5 +++--
>  1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/client/tests/kvm/kvm_subprocess.py b/client/tests/kvm/kvm_subprocess.py
> index 413bdaa..c15e779 100644
> --- a/client/tests/kvm/kvm_subprocess.py
> +++ b/client/tests/kvm/kvm_subprocess.py
> @@ -212,7 +212,8 @@ class kvm_spawn:
>             sub.stdin.write("%s\n" % ",".join(self.readers))
>             sub.stdin.write("%s\n" % command)
>             # Wait for the server to complete its initialization
> -            sub.stdout.readline()
> +            while not "Server %s ready" % self.id in sub.stdout.readline():
> +                pass
>
>         # Open the reading pipes
>         self.reader_fds = {}
> @@ -1081,7 +1082,7 @@ def _server_main():
>         file.close()
>
>         # Print something to stdout so the client can start working
> -        print "hello"
> +        print "Server %s ready" % id
>         sys.stdout.flush()
>
>         # Initialize buffers
> --
> 1.5.4.1
>
> _______________________________________________
> Autotest mailing list
> Autotest@xxxxxxxxxxxxxxx
> http://test.kernel.org/cgi-bin/mailman/listinfo/autotest
>



-- 
Lucas Meneghel
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