[Pythonmac-SIG] Passing tuples to C

[Greg Hoover]

I'm trying to pass multiple values to a C function.  As far as I know, 
this is done using tuples.  Is there anything special required on the 
python side to pass this tuple?

This is the C function being called.  It is in a module called serial.  
So I've tried calling serial.serial_write((1, "q"))   
serial.serial_write(1, "q")     serial.serial_write([1, "q"])     --- 
all of which fail.  Several report that they require integer arguments, 
other errors specify that only 1 argument is accepted.

static PyObject *
serial_write(PyObject *self, PyObject *args)
{
	int numCharsToSend;
	char *writeBuffer;
	
	if(serialPortFileDescriptor < 0)
		return Py_BuildValue("i", -1);
	
	// Python provides storage for string
	if(!PyArg_ParseTuple(args, "is", &numCharsToSend, &writeBuffer))
		return NULL;
			
	write(serialPortFileDescriptor, writeBuffer, numCharsToSend);
	
	return Py_BuildValue("i", numCharsToSend);
}


Thanks in advance.

--Greg Hoover
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