kerbingamer376 wrote:
> On Monday, September 19, 2016 at 5:48:35 PM UTC+1, Peter Otten wrote:
>> kerbingamer376 wrote:
>>
>> > Hi,
>>
>> [No need to start a new thread for this]
>>
>> > I have an object (pygame.mixer.Sound) and, to convert it to a picklable
>> > format, I can run:
>> >
>> > sound_object.get_raw()
>> >
>> > and to turn that back into an object, I can run:
>> >
>> > sound_object = pygame.mixer.Sound(raw_data)
>> >
>> > Is it possible to use copyreg or something similar so it's done
>> > automatically when I pickle pygame.mixer.Sound() objects?
>>
>> Have a look at the example from the documentation:
>>
>> >>> import copyreg, copy, pickle
>> >>> class C(object):
>> ... def __init__(self, a):
>> ... self.a = a
>> ...
>> >>> def pickle_c(c):
>> ... print("pickling a C instance...")
>> ... return C, (c.a,)
>> ...
>> >>> copyreg.pickle(C, pickle_c)
>>
>>
>> Translating that gives (untested)
>>
>> import copyreg # copy_reg in Python 2
>> import pygame.mixer
>>
>> def pickle_sound(sound):
>> return pygame.mixer.Sound, (sound.get_raw(),)
>>
>> copyreg.pickle(pygame.mixer.Sound, pickle_sound)
>>
>> Does that work?
>
> I get:
>
> _pickle.PicklingError: Can't pickle <class 'Sound'>: attribute lookup
> Sound on builtins failed
Looks like Sound doesn't set the __module__ attribute correctly.
Try injecting it into the built-in namespace:
import builtins
builtins.Sound = pygame.mixer.Sound
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