[libvirt] python module set-up ignores virInitialize failure

[Jim Meyering]

Daniel P. Berrange wrote:
> On Tue, May 18, 2010 at 12:32:13PM +0200, Jim Meyering wrote:
>> I've just fixed code in a test that ignored virInitialize failure.
>> Looking at all uses, I saw one other: in python/libvirt-override.c,
>> where the initialization function ignores virInitialize failure:
>>
>>   void
>>   #ifndef __CYGWIN__
>>   initlibvirtmod
>>   #else
>>   initcygvirtmod
>>   #endif
>>     (void)
>>   {
>>       static int initialized = 0;
>>
>>       if (initialized != 0)
>>           return;
>>
>>       virInitialize();
>>
>>       /* initialize the python extension module */
>>       Py_InitModule((char *)
>>   #ifndef __CYGWIN__
>>                     "libvirtmod"
>>   #else
>>                     "cygvirtmod"
>>   #endif
>>                     , libvirtMethods);
>>
>>       initialized = 1;
>>   }
>>
>> Unfortunately, this function is public, so we can't change its signature.
>
> More specifically, the signature is defined by Python's loadable
> module interface so we're not at liberty to redeclare that.
>
>> Any suggestions?
>
> abort()

Here you go.
Do you think it's worth a diagnostic first?
If so, using what function?

>From 9225353b89c6ee4ff550d0fee18e759a2d949686 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering at redhat.com>
Date: Tue, 18 May 2010 13:46:27 +0200
Subject: [PATCH] python: don't ignore virInitialize failure in module initialization

* python/libvirt-override.c (initlibvirtmod): Abort upon virInitialize
failure.
---
 python/libvirt-override.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/python/libvirt-override.c b/python/libvirt-override.c
index b97445b..b754f5e 100644
--- a/python/libvirt-override.c
+++ b/python/libvirt-override.c
@@ -3543,7 +3543,8 @@ initcygvirtmod
     if (initialized != 0)
         return;

-    virInitialize();
+    if (virInitialize() < 0)
+        abort();

     /* initialize the python extension module */
     Py_InitModule((char *)
--
1.7.1.250.g7d1e8