These are two different functions with two different purposes. The one that takes only self simply internally redirects Csound's message printing to Python's stdout.

Regards,
Mike

-----Original Message-----
>From: Chuckk Hubbard 
>Sent: Oct 27, 2008 9:08 AM
>To: csound@lists.bath.ac.uk
>Subject: [Csnd] Re: Re: Re: Re: Querying available audio devices
>
>The closest I have available is .setPythonMessageCallback() for
>CppSound, and .SetPythonMessageCallback() for Csound class.
>.SetPythonMessageCallback() somehow can't find the attribute, although
>it is listed with dir(CppSound) and help(CppSound), and
>.setPythonMessageCallback() takes 1 argument (self), won't take a
>function as argument.
>
>-Chuckk
>
>On Mon, Oct 27, 2008 at 2:53 PM, victor  wrote:
>> Use the Csound() (or derived) class and the Csound::SetMessageCallback()
>> method.
>>
>> the callback should be something like
>>
>> def  mcallback(s):
>>   # s is a string
>>   # e.g. you can print it
>>   print s
>>
>>
>> cs.SetMessageCallback(mcallback)
>>
>>
>> Victor
>> ----- Original Message ----- From: "Chuckk Hubbard"
>> 
>> To: 
>> Sent: Monday, October 27, 2008 12:04 PM
>> Subject: [Csnd] Re: Re: Querying available audio devices
>>
>>
>>> Sounds like a plan.  I'll let people choose from whichever modules are
>>> available for their platform and then see the devices for whatever
>>> they choose.
>>>
>>> I tried directing both stderr and stdout to file objects, and didn't
>>> pick up the Csound output from cs.compile().  Anyone know how I do
>>> that in Python?
>>>
>>> -Chuckk
>>>
>>> On Mon, Oct 27, 2008 at 11:12 AM, victor  wrote:
>>>>
>>>> For -+rtaudio you can just check the platform OS and the
>>>> modules for each are well-defined (ie portaudio and alsa for linux, etc).
>>>>
>>>> The only way I think is to run csound with -odac99, then parse
>>>> the message output.
>>>>
>>>> Perhaps an API function to do this might be possible, but it
>>>> will need to be implemented by the IO modules.
>>>>
>>>> Regards
>>>>
>>>> Victor
>>>>
>>>> ----- Original Message ----- From: "Chuckk Hubbard"
>>>> 
>>>> To: "Csound List" 
>>>> Sent: Monday, October 27, 2008 7:54 AM
>>>> Subject: [Csnd] Querying available audio devices
>>>>
>>>>
>>>>> Is there a way to do this with the API?  To build a list of available
>>>>> devices to show in my app?
>>>>> I think it would have to know possible values for both -+rtaudio and
>>>>> -odac, no?
>>>>>
>>>>> -Chuckk
>>>>> --
>>>>> http://www.badmuthahubbard.com
>>>>>
>>>>>
>>>>> Send bugs reports to this list.
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>>>>> csound"
>>>>
>>>>
>>>>
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>>>
>>>
>>>
>>> --
>>> http://www.badmuthahubbard.com
>>>
>>>
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>>
>>
>>
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>
>
>
>-- 
>http://www.badmuthahubbard.com
>
>
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