[Bf-python] Some bpy.types Custom Properties Are Read-Only

[Bastien Montagne]

ID properties are only available for IDs (and a few other special cases, 
like bones and some UI classes). Other types just do not support them at 
all.

To check wether a type supports ID properties, just try to use one of 
its mapping protocol item (e.g. C.object.keys() works, while 
C.object.vertex_groups[0].keys() does not).


Le 30/06/2016 à 13:08, Khalifa Lame a écrit :
> Hi. I need assign custom properties to mesh vertices, edges and faces. 
> It doesn't throw any errors on creation of the custom props, but after 
> they've been created, they don't behave as one would expect. They are 
> read-only tuples rather than bpy.props.IntProperty() for example.
>
> For comparison, here's the normal behavior of a custom property
>
>
> Here's what I get on certain bpy.types
>
> ​An unusable tuple!
>
> And if I try to assign a value, I get
>
> ​
>
> Is there a reason for this? Is there a known workaround or hack? I 
> really do need to store custom props on vertices, edges, faces and 
> vertex groups.
> ​
>
> -- 
> khalibloo®
>
>
>
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