Can't init persistent data before the menu page

[Mirrodin]

Hi guy's,

I want my players can choose the langage in the main page with imagebutton so here is the code:

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 imagebutton idle "gui/bouton_menu/eng.png" hover "gui/bouton_menu/eng_hover.png" selected_idle "gui/bouton_menu/eng_selected.png" selected_hover "gui/bouton_menu/eng_hover_selected.png" action SetVariable("persistent.lang","english") xpos 900 ypos 50

Until here, all is good !
I init my persistent variable like this :

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init python :
    persistent.lang = "english"

But when I launch the game, I have this error :

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I'm sorry, but an uncaught exception occurred.

While running game code:
  File "renpy/common/00action_data.rpy", line 50, in get_selected
    return getattr(self.object, self.field) == self.value
AttributeError: 'StoreModule' object has no attribute 'persistent.lang'

Windows-8-6.2.9200
Ren'Py 6.99.14.1.3218
debugging version 0.3.0 
Wed Mar 07 14:31:57 2018

What did I do wrong ?

[rayminator]

don't space the :

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init python:
    persistent.lang = "english"

[Mirrodin]

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don't space the :

Yeah, thanks. But this isn't this. I still have the error.

[Mirrodin]

Problem solved.
I remove the "persistent." and all is good.

[Milkymalk]

But that makes it no longer a persistent variable.
Try using the Function() action on the button to call a function that changes the persistent variable.
Also, always check for existing persistents or you will overwrite them:

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init python:
    if not persistent.lang:
        persistent.lang = "english"

[Remix]

You should consider Ren'py's built in language support, basically config.language = ... also supports action Language('kilngon') rather than having to use SetVariable etc

https://www.renpy.org/dev-doc/html/tran ... t-language