On 07/05/2013 14:56, cheirasa...@gmail.com wrote:
El martes, 7 de mayo de 2013 12:53:25 UTC+2, MRAB  escribió:
On 07/05/2013 10:27, cheirasa...@gmail.com wrote:
> from tkinter import *
> import sfml
>
> window = Tk()
> window.minsize( 640, 480 )
>
> def sonido():
>      file = sfml.Music.from_file('poco.ogg')
>      file.play()
>
> test = Button ( window, text = 'Sound test', command=sonido )
> test.place ( x = 10, y = 60)
>
> window.mainloop()
>
> Using Windows 7, Python 3.3, sfml 1.3.0 library, the file it is played if i 
put it out of the function. � what am i doing wrong ? Thanks.
>

Perhaps what's happening is that sonido starts playing it and then
returns, meaning that there's no longer a reference to it ('file' is
local to the function), so it's collected by the garbage collector.

If that's the case, try keeping a reference to it, perhaps by making
'file' global (in a simple program like this one, using global should
be OK).

Thanks. A global use of 'sonido' fix the problem. The garbage collector must be 
the point. But this code is part of a longer project. What can i do to fix it 
without the use of globals? I will use more functions like this, and i would 
like to keep learning python as well good programming methodology.
Thanks.

Presumably the details of the window are (or will be) hidden away in a
class, so you could make 'file' an attribute of an instance.

Also, please read this:

http://wiki.python.org/moin/GoogleGroupsPython

because gmail insists on adding extra linebreaks, which can be somewhat
annoying.
--
http://mail.python.org/mailman/listinfo/python-list

Reply via email to