Perspective XY Chart selection.data returns None instead of False after upgrade from 8.1.41 to 8.1.54

General Discussion
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1

Hi all,

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After upgrading from 8.1.41 to 8.1.54, boolean false values inside an XY Chart's props.selection.data are read as None in a script. true values still work.

I have an XY Chart (used as a Gantt chart) inside a Flex Repeater. In the props.selection.data change script:

system.perspective.print(self.props.selection.data[0])
event_type = self.props.selection.data[0].event_type
system.perspective.print('event type : {}'.format(event_type))

Expected (worked in 8.1.41): event_type and event_ack return False.

Actual (8.1.54): The Property Editor shows event_type: false and event_ack: false, but the script prints None for both. When the value is true, it prints True correctly.

Nothing changed except the gateway upgrade.

Screenshot attached.

Thanks in advance​:slightly_smiling_face:.

2

I consider this report as written extremely unlikely. The coercion logic in the property adapter -> script step is pretty simple, and if it was broken by an upgrade a lot of people would have complained by now.

That said, if you want a full formal investigation, you need to contact the Support department officially. Everyone on the forums is volunteering time, and of the few IA employees here regularly, none are Perspective experts. If you want a prompt, helpful answer, support is your best bet.