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["wei.ying" <1712582@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Env: devstack master branch

Description:

The memoized function needs to use tuples as parameters [1].

Currently [2] the security_groups attribute in the port object, whose type is list,
when clicking the port details, a warning message appears:
"UnhashableKeyWarning: The key ((<weakref at 0x7ff5da258520; to 'DetailView' at 0x7ff5da275790>, []), ()) is not hashable and cannot be memoized.
WARNING:py.warnings:UnhashableKeyWarning: The key ((<weakref at 0x7ff5da258520; to 'DetailView' at 0x7ff5da275790>, []), ()) is not hashable and cannot be memoized."

[1] https://github.com/openstack/horizon/blob/4570b4cd7813c5b5d559a87c715f4ee6e6f1f63d/horizon/utils/memoized.py#L39
[2] https://github.com/openstack/horizon/blob/609bf8fbc98c0dc437b4522d27a9ad4e3ba6fd30/openstack_dashboard/dashboards/project/networks/ports/views.py#L145

** Affects: horizon
     Importance: Undecided
     Assignee: wei.ying (wei.yy)
         Status: New

** Changed in: horizon
     Assignee: (unassigned) => wei.ying (wei.yy)

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https://bugs.launchpad.net/bugs/1712582

Title:
  Unable to use use @memoized cache when call get_security_groups

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  Env: devstack master branch

  Description:

  The memoized function needs to use tuples as parameters [1].

  Currently [2] the security_groups attribute in the port object, whose type is list,
  when clicking the port details, a warning message appears:
  "UnhashableKeyWarning: The key ((<weakref at 0x7ff5da258520; to 'DetailView' at 0x7ff5da275790>, []), ()) is not hashable and cannot be memoized.
  WARNING:py.warnings:UnhashableKeyWarning: The key ((<weakref at 0x7ff5da258520; to 'DetailView' at 0x7ff5da275790>, []), ()) is not hashable and cannot be memoized."

  [1] https://github.com/openstack/horizon/blob/4570b4cd7813c5b5d559a87c715f4ee6e6f1f63d/horizon/utils/memoized.py#L39
  [2] https://github.com/openstack/horizon/blob/609bf8fbc98c0dc437b4522d27a9ad4e3ba6fd30/openstack_dashboard/dashboards/project/networks/ports/views.py#L145

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