Re: [PATCH] KVM test: migration subtest: Handle case where session2 does not exist

2009-11-15 Thread Michael Goldish

- "Lucas Meneghel Rodrigues"  wrote:

> In one of the code blocks of the migration test, a finally
> clause tries to send a command to a session. However, if we
> are not successful in actually creating a session, that
> object will hold None, which doesn't have an is_alive attribute,
> generating an unhandled exception. Fix that by checking
> if the session2 object is not None before trying to use the
> method is_alive()
> 
> Signed-off-by: Lucas Meneghel Rodrigues 
> ---
>  client/tests/kvm/tests/migration.py |7 ---
>  1 files changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/client/tests/kvm/tests/migration.py
> b/client/tests/kvm/tests/migration.py
> index 7b80e51..21df1e2 100644
> --- a/client/tests/kvm/tests/migration.py
> +++ b/client/tests/kvm/tests/migration.py
> @@ -74,9 +74,10 @@ def run_migration(test, params, env):
>  
>  finally:
>  # Kill the background process
> -if session2.is_alive():
> -   
> session2.get_command_output(params.get("migration_bg_kill_command",
> -   ""))
> +if session2:
> +if session2.is_alive():

Sorry, my fault.
Minor suggestion: these two lines can be merged into
'if session2 and session2.is_alive()' because the second part is not
evaluated if the first part evaluates to False, so it's safe.

> +session2.get_command_output(
> +   
> params.get("migration_bg_kill_command", ""))
>  
>  session2.close()
>  session.close()
> -- 
> 1.6.2.5
> 
> --
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[PATCH] KVM test: migration subtest: Handle case where session2 does not exist

2009-11-15 Thread Lucas Meneghel Rodrigues
In one of the code blocks of the migration test, a finally
clause tries to send a command to a session. However, if we
are not successful in actually creating a session, that
object will hold None, which doesn't have an is_alive attribute,
generating an unhandled exception. Fix that by checking
if the session2 object is not None before trying to use the
method is_alive()

Signed-off-by: Lucas Meneghel Rodrigues 
---
 client/tests/kvm/tests/migration.py |7 ---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/client/tests/kvm/tests/migration.py 
b/client/tests/kvm/tests/migration.py
index 7b80e51..21df1e2 100644
--- a/client/tests/kvm/tests/migration.py
+++ b/client/tests/kvm/tests/migration.py
@@ -74,9 +74,10 @@ def run_migration(test, params, env):
 
 finally:
 # Kill the background process
-if session2.is_alive():
-session2.get_command_output(params.get("migration_bg_kill_command",
-   ""))
+if session2:
+if session2.is_alive():
+session2.get_command_output(
+params.get("migration_bg_kill_command", 
""))
 
 session2.close()
 session.close()
-- 
1.6.2.5

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