strange behavior of a button in 8.1.0

[Alex]

Hi, folks!
Got a strange behavior of a button in 8.1.0 is it bug or feature?

Tried to put an action, sensitive and background properties for a button under if/else condition, but got an error

Code: Select all

I'm sorry, but errors were detected in your script. Please correct the
errors listed below, and try again.


File "game/script.rpy", line 104: a non-constant keyword argument like 'background empty_tile' is not allowed after a python block.
    background empty_tile
                         ^

Ren'Py Version: Ren'Py 8.1.0.23051307
Sat Jun 17 01:00:34 2023

Code: Select all

button:
    action Function(...)

    if value == 0:
        background empty_tile

It also throws the same error even if those properties placed after any python block inside a button, like

Code: Select all

button:
    background tile
    if value == 0:
        $ value = ""
    action Function(...)
    sensitive can_click

Code: Select all

I'm sorry, but errors were detected in your script. Please correct the
errors listed below, and try again.


File "game/script.rpy", line 116: a non-constant keyword argument like 'action Function(...)' is not allowed after a python block.
    action Function(...)
                                          ^

Ren'Py Version: Ren'Py 8.1.0.23051307
Sat Jun 17 01:14:50 2023

[PyTom]

It's a feature, as the properties are evaluated before the block would be.

[Alex]

It's a feature, as the properties are evaluated before the block would be.

Um, ok then, thank you...))