nvda 2023.3rc1: errors when changing tabs in the add-on store

[paulber19]

Steps to reproduce:

Actual behavior:

Open the add-on store and quickly type "control+tab" or "control+shift+tab" several times. After a while, errors are written to the log:

Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 244, in _getAddonFieldText AttributeError: 'NoneType' object has no attribute 'version' ERROR - unhandled exception (07:12:34.599) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 251, in _getAddonFieldText AttributeError: 'AddonStoreModel' object has no attribute 'author' ERROR - unhandled exception (07:12:34.649) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 244, in _getAddonFieldText AttributeError: 'NoneType' object has no attribute 'version' ERROR - unhandled exception (07:12:34.704) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 251, in _getAddonFieldText AttributeError: 'AddonStoreModel' object has no attribute 'author' ERROR - unhandled exception (07:12:34.759) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 244, in _getAddonFieldText AttributeError: 'NoneType' object has no attribute 'version' ERROR - unhandled exception (07:12:34.809) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 251, in _getAddonFieldText AttributeError: 'AddonStoreModel' object has no attribute 'author' ERROR - unhandled exception (07:12:34.864) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 244, in _getAddonFieldText AttributeError: 'NoneType' object has no attribute 'version' ERROR - unhandled exception (07:12:34.909) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 251, in _getAddonFieldText AttributeError: 'AddonStoreModel' object has no attribute 'author' ERROR - unhandled exception (07:12:34.969) - MainThread (4460): Traceback (most recent call last): File "gui_addonStoreGui\controls\addonList.pyc", line 113, in OnGetItemText File "gui_addonStoreGui\viewModels\addonList.pyc", line 239, in getAddonFieldText File "gui_addonStoreGui\viewModels\addonList.pyc", line 244, in _getAddonFieldText AttributeError: 'NoneType' object has no attribute 'version' ERROR - extensionPoints.Action.notify (07:12:35.409) - MainThread (4460): Error running handler <bound method AddonDetails._updatedListItem of <gui.addonStoreGui.controls.details.AddonDetails object at 0x08219AD0>> for <extensionPoints.Action object at 0x0819C770> Traceback (most recent call last): File "extensionPoints_init.pyc", line 55, in notify File "extensionPoints\util.pyc", line 216, in callWithSupportedKwargs File "gui_addonStoreGui\controls\details.pyc", line 193, in _updatedListItem File "gui_addonStoreGui\controls\details.pyc", line 247, in _refresh AttributeError: 'NoneType' object has no attribute 'version'

Other error: ERROR - extensionPoints.Action.notify (07:18:17.553) - MainThread (4460): Error running handler <bound method AddonDetails._updatedListItem of <gui.addonStoreGui.controls.details.AddonDetails object at 0x08219AD0>> for <extensionPoints.Action object at 0x0819C770> Traceback (most recent call last): File "extensionPoints_init.pyc", line 55, in notify File "extensionPoints\util.pyc", line 216, in callWithSupportedKwargs File "gui_addonStoreGui\controls\details.pyc", line 193, in _updatedListItem File "gui_addonStoreGui\controls\details.pyc", line 247, in _refresh AttributeError: 'NoneType' object has no attribute 'version' ERROR - extensionPoints.Action.notify (07:18:17.723) - MainThread (4460): Error running handler <bound method AddonDetails._updatedListItem of <gui.addonStoreGui.controls.details.AddonDetails object at 0x08219AD0>> for <extensionPoints.Action object at 0x0819C770> Traceback (most recent call last): File "extensionPoints_init.pyc", line 55, in notify File "extensionPoints\util.pyc", line 216, in callWithSupportedKwargs File "gui_addonStoreGui\controls\details.pyc", line 193, in _updatedListItem File "gui_addonStoreGui\controls\details.pyc", line 247, in _refresh AttributeError: 'NoneType' object has no attribute 'version'

Expected behavior:

No error

NVDA logs, crash dumps and other attachments:

System configuration

NVDA installed/portable/running from source:

nvda portable

NVDA version:

nvda 2023.3rc1

Windows version:

Windows 10 22H2 (10.0.19045) workstation AMD64

Name and version of other software in use when reproducing the issue:

None

Other information about your system:

Other questions

Does the issue still occur after restarting your compYesuter?

Have you tried any other versions of NVDA? If so, please report their behaviors.

No

If NVDA add-ons are disabled, is your problem still occurring?

No

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?

No tested

[yvolk]

You're right, we need to implement this. Duplicate of #377