API 8.0 onchange() and depends() decorators only work for UI changes and 1 record only?

Question

Instead of calling *update_some_regular_fields()* method at the end of overwritten *create()* and* write()* methods, why can't I just decorate *update_some_regular_fields()* method with @*api.onchange()* or *@api.**depends()*? This would shorten the code considerably and make it readable, but the decorators seem to only react on changes from UI and ignore all other programmatic changes to DB records.

Also, with *self* being a virtual record in the onchange method, changes to records other than

Mind And Go · Answer

Hy,

For the onchange, it's legitim to consider that only one 1 record must be concerned because it's about client behaviour.
For the depends, I think it shoudl be compute one by one but could be done on multiple records. (eg via mass editing)
regards

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