[Sugar-devel] PyGame can be run only once assertion error

James Cameron quozl at laptop.org
Fri Sep 27 03:14:58 EDT 2013


Could this be fixed in SugarGames in future?

(Not an invitation to discuss deprecation in favour of alternate
technologies; clearly it is in use, why can't we fix it?)

On Fri, Sep 27, 2013 at 04:07:11AM -0300, Alan Jhonn Aguiar Schwyn wrote:
> There are not problem with call "pygame.init" all times that you want (see the
> documentation).
> The problem is call outside of self._pygamecanvas.run_pygame function.
> It's one thing of SugarGames.
> 
> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> Date: Fri, 27 Sep 2013 09:03:25 +0200
> Subject: Re: [Sugar-devel] PyGame can be run only once assertion error
> From: laurent.bernabe at gmail.com
> To: alanjas at hotmail.com
> CC: sugar-devel at lists.sugarlabs.org
> 
> Thank you very much.
> 
> In fact I had already solved the problem and commited when I read your message
> : my idea was the same than yours, but I've done it with a "lazy
> initialisation", thanks to a flag self._initialized (boolean).
> 
> Thanks :)
> 
> 
> 2013/9/26 Alan Jhonn Aguiar Schwyn <alanjas at hotmail.com>
> 
>     A patch worth more than 1000 words..
> 
>     In the patch I show "the idea" behind the problem. You can move all code
>     that not needs pygame to the __init__ of the Game class.
> 
>     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
>     From: alanjas at hotmail.com
>     To: laurent.bernabe at gmail.com; sugar-devel at lists.sugarlabs.org
>     Date: Thu, 26 Sep 2013 15:01:13 -0300
>     Subject: Re: [Sugar-devel] PyGame can be run only once assertion error
> 
>     You can't call pygame.init in the game creation,
>     not worry if you put all code on self._act.show_menu
> 
>     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
>     Date: Thu, 26 Sep 2013 17:01:04 +0000
>     From: laurent.bernabe at gmail.com
>     To: sugar-devel at lists.sugarlabs.org
>     Subject: [Sugar-devel] PyGame can be run only once assertion error
> 
>     Hello, everyone,
> 
>     In my project HitTheBalls, which I've just commited the last modifications,
>     I have a bug I that I don't manage to solve.
> 
>     If I launch the game without sugar, however, it runs fine.
>     Also I modified the activity.py in order to fit my main_game module
>     modifications. Maybe that the reason why I have this behaviour (the
>     activity log is not very verbose in my case).
> 
>     So how can I solve the problem ?
> 
>     This is the activity log :
> 
>     ________________________________________________________
>     1380214070.631923 WARNING root: No Gtk.AccelGroup in the top level window.
>     Traceback (most recent call last):
>       File "/home/broot/sugar-build/activities/HitTheBalls.activity/sugargame/
>     canvas.py", line 40, in _run_pygame_cb
>         assert pygame.display.get_surface() is None, "PygameCanvas.run_pygame
>     can only be called once."
>     AssertionError: PygameCanvas.run_pygame can only be called once.
>     1380214073.021442 WARNING root: No Gtk.AccelGroup in the top level window.
>     Exited with status 0, pid 9045 data (None, <open file '<fdopen>', mode 'w'
>     at 0x1a299c0>, dbus.ByteArray('e2c07f313236150806506c5508b5a987bf6d2b4d',
>     variant_level=1))
>     _________________________________________________________________
> 
>     Regards
> 
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> 

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-- 
James Cameron
http://quozl.linux.org.au/


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