(3.2) Overload print() using the C API?

[Peter Faulks]

On 27/04/2012 5:15 PM, Stefan Behnel wrote:
> Peter Faulks, 26.04.2012 19:57:
>> I want to extend an embedded interpreter so that calls to print() are
>> automagically sent to a C++ gui (windows exe) via a callback function in
>> the DLL.
>>
>> Then I'll be able to do this:
>>
>> ----test.py----
>> import printoverload
>>
>> printoverload.set_stdout()
>> printoverload.set_stderr()
>>
>> print("this will be sent to a C function in printoverload.pyd")
>> ---------------
>
> Why would you want to divert only "print" instead of changing sys.stdout in
> general? Not all output comes from print calls.
>
> Stefan
>
Because I don't want to have to poll the stdout buffer. I want the 
script itself to update a window in the host application (via the 
extension) every time the script calls print().


But I guess that won't work if the script raises an exception...


This is doing my head in. :)