[libvirt] [PATCH 11/22] WmiClass: Don't share "versions" between instances
Daniel P. Berrangé
berrange at redhat.com
Mon Mar 19 10:53:44 UTC 2018
On Sat, Mar 17, 2018 at 02:23:29PM +0000, Radostin Stoyanov wrote:
> Lists in Python are mutable and when used as a default value of a
> parameter for class constructor, its value will be shared between
> all class instances.
>
> Example:
>
> class Test:
> def __init__(self, mylist=[]):
> self.mylist = mylist
>
> A = Test()
> B = Test()
> A.mylist.append("mylist from instance A")
> print(B.mylist) # Will print ['mylist from instance A']
>
> Signed-off-by: Radostin Stoyanov <rstoyanov1 at gmail.com>
> ---
> src/hyperv/hyperv_wmi_generator.py | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Daniel P. Berrangé <berrange at redhat.com>
Regards,
Daniel
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