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Tue, 20 Mar 2018 06:49:41 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 20 Mar 2018 06:49:41 +0000 (UTC) for IP:'74.125.82.68' DOMAIN:'mail-wm0-f68.google.com' HELO:'mail-wm0-f68.google.com' FROM:'rstoyanov1@gmail.com' RCPT:'' X-RedHat-Spam-Score: 0.12 (DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_PASS) 74.125.82.68 mail-wm0-f68.google.com 74.125.82.68 mail-wm0-f68.google.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.26 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Cc: Radostin Stoyanov Subject: [libvirt] [PATCHv2 12/25] WmiClass: Don't share "versions" between instances X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 20 Mar 2018 06:50:10 +0000 (UTC) X-ZohoMail-DKIM: fail (Computed bodyhash is different from the expected one) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" 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=3D[]): self.mylist =3D mylist A =3D Test() B =3D Test() A.mylist.append("mylist from instance A") print(B.mylist) # Will print ['mylist from instance A'] Signed-off-by: Radostin Stoyanov --- src/hyperv/hyperv_wmi_generator.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/hyperv/hyperv_wmi_generator.py b/src/hyperv/hyperv_wmi_gen= erator.py index 6e98f0a89..0dcd9e438 100755 --- a/src/hyperv/hyperv_wmi_generator.py +++ b/src/hyperv/hyperv_wmi_generator.py @@ -44,9 +44,9 @@ class WmiClass: to. """ =20 - def __init__(self, name, versions =3D []): + def __init__(self, name, versions=3DNone): self.name =3D name - self.versions =3D versions + self.versions =3D versions if versions else list() self.common =3D None =20 =20 --=20 2.14.3 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list