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# This script will generate the AppleEvents interface for Python.
# It uses the "bgen" package to generate C code.
# It execs the file aegen.py which contain the function definitions
# (aegen.py was generated by aescan.py, scanning the <AppleEvents.h> header file).
from macsupport import *
AEArrayType = Type("AEArrayType", "c")
AESendMode = Type("AESendMode", "l")
AESendPriority = Type("AESendPriority", "h")
AEInteractAllowed = Type("AEInteractAllowed", "b")
AEReturnID = Type("AEReturnID", "h")
AETransactionID = Type("AETransactionID", "l")
AEEventClass = OSTypeType('AEEventClass')
AEEventID = OSTypeType('AEEventID')
AEKeyword = OSTypeType('AEKeyword')
DescType = OSTypeType('DescType')
AEDesc = OpaqueType('AEDesc')
AEDesc_ptr = OpaqueType('AEDesc')
AEAddressDesc = OpaqueType('AEAddressDesc', 'AEDesc')
AEAddressDesc_ptr = OpaqueType('AEAddressDesc', 'AEDesc')
AEDescList = OpaqueType('AEDescList', 'AEDesc')
AEDescList_ptr = OpaqueType('AEDescList', 'AEDesc')
AERecord = OpaqueType('AERecord', 'AEDesc')
AERecord_ptr = OpaqueType('AERecord', 'AEDesc')
AppleEvent = OpaqueType('AppleEvent', 'AEDesc')
AppleEvent_ptr = OpaqueType('AppleEvent', 'AEDesc')
class EHType(Type):
def __init__(self, name = 'EventHandler', format = ''):
Type.__init__(self, name, format)
def declare(self, name):
Output("AEEventHandlerUPP %s__proc__ = upp_GenericEventHandler;", name)
Output("PyObject *%s;", name)
def getargsFormat(self):
return "O"
def getargsArgs(self, name):
return "&%s" % name
def passInput(self, name):
return "%s__proc__, (long)%s" % (name, name)
def passOutput(self, name):
return "&%s__proc__, (long *)&%s" % (name, name)
def mkvalueFormat(self):
return "O"
def mkvalueArgs(self, name):
return name
def cleanup(self, name):
Output("Py_INCREF(%s); /* XXX leak, but needed */", name)
class EHNoRefConType(EHType):
def passInput(self, name):
return "upp_GenericEventHandler"
EventHandler = EHType()
EventHandlerNoRefCon = EHNoRefConType()
IdleProcPtr = FakeType("upp_AEIdleProc")
AEIdleUPP = IdleProcPtr
EventFilterProcPtr = FakeType("(AEFilterUPP)0")
AEFilterUPP = EventFilterProcPtr
NMRecPtr = FakeType("(NMRecPtr)0")
EventHandlerProcPtr = FakeType("upp_GenericEventHandler")
AEEventHandlerUPP = EventHandlerProcPtr
AlwaysFalse = FakeType("0")
AEFunction = OSErrWeakLinkFunctionGenerator
AEMethod = OSErrWeakLinkMethodGenerator
includestuff = includestuff + """
#ifndef PyDoc_STR
#define PyDoc_STR(x) (x)
#endif
#include <Carbon/Carbon.h>
#ifdef USE_TOOLBOX_OBJECT_GLUE
extern PyObject *_AEDesc_New(AEDesc *);
extern int _AEDesc_Convert(PyObject *, AEDesc *);
#define AEDesc_New _AEDesc_New
#define AEDesc_NewBorrowed _AEDesc_NewBorrowed
#define AEDesc_Convert _AEDesc_Convert
#endif
typedef long refcontype;
static pascal OSErr GenericEventHandler(const AppleEvent *request, AppleEvent *reply, refcontype refcon); /* Forward */
AEEventHandlerUPP upp_GenericEventHandler;
static pascal Boolean AEIdleProc(EventRecord *theEvent, long *sleepTime, RgnHandle *mouseRgn)
{
if ( PyOS_InterruptOccurred() )
return 1;
#if !TARGET_API_MAC_OSX
if ( PyMac_HandleEvent(theEvent) < 0 ) {
PySys_WriteStderr("Exception in user event handler during AE processing\\n");
PyErr_Clear();
}
#endif
return 0;
}
AEIdleUPP upp_AEIdleProc;
"""
finalstuff = finalstuff + """
static pascal OSErr
GenericEventHandler(const AppleEvent *request, AppleEvent *reply, refcontype refcon)
{
PyObject *handler = (PyObject *)refcon;
AEDescObject *requestObject, *replyObject;
PyObject *args, *res;
if ((requestObject = (AEDescObject *)AEDesc_New((AppleEvent *)request)) == NULL) {
return -1;
}
if ((replyObject = (AEDescObject *)AEDesc_New(reply)) == NULL) {
Py_DECREF(requestObject);
return -1;
}
if ((args = Py_BuildValue("OO", requestObject, replyObject)) == NULL) {
Py_DECREF(requestObject);
Py_DECREF(replyObject);
return -1;
}
res = PyEval_CallObject(handler, args);
requestObject->ob_itself.descriptorType = 'null';
requestObject->ob_itself.dataHandle = NULL;
replyObject->ob_itself.descriptorType = 'null';
replyObject->ob_itself.dataHandle = NULL;
Py_DECREF(args);
if (res == NULL) {
PySys_WriteStderr("Exception in AE event handler function\\n");
PyErr_Print();
return -1;
}
Py_DECREF(res);
return noErr;
}
PyObject *AEDesc_NewBorrowed(AEDesc *itself)
{
PyObject *it;
it = AEDesc_New(itself);
if (it)
((AEDescObject *)it)->ob_owned = 0;
return (PyObject *)it;
}
"""
initstuff = initstuff + """
upp_AEIdleProc = NewAEIdleUPP(AEIdleProc);
upp_GenericEventHandler = NewAEEventHandlerUPP(GenericEventHandler);
PyMac_INIT_TOOLBOX_OBJECT_NEW(AEDesc *, AEDesc_New);
PyMac_INIT_TOOLBOX_OBJECT_NEW(AEDesc *, AEDesc_NewBorrowed);
PyMac_INIT_TOOLBOX_OBJECT_CONVERT(AEDesc, AEDesc_Convert);
"""
module = MacModule('_AE', 'AE', includestuff, finalstuff, initstuff)
class AEDescDefinition(PEP253Mixin, GlobalObjectDefinition):
getsetlist = [(
'type',
'return PyMac_BuildOSType(self->ob_itself.descriptorType);',
None,
'Type of this AEDesc'
), (
'data',
"""
PyObject *res;
Size size;
char *ptr;
OSErr err;
size = AEGetDescDataSize(&self->ob_itself);
if ( (res = PyString_FromStringAndSize(NULL, size)) == NULL )
return NULL;
if ( (ptr = PyString_AsString(res)) == NULL )
return NULL;
if ( (err=AEGetDescData(&self->ob_itself, ptr, size)) < 0 )
return PyMac_Error(err);
return res;
""",
None,
'The raw data in this AEDesc'
)]
def __init__(self, name, prefix = None, itselftype = None):
GlobalObjectDefinition.__init__(self, name, prefix or name, itselftype or name)
self.argref = "*"
def outputStructMembers(self):
GlobalObjectDefinition.outputStructMembers(self)
Output("int ob_owned;")
def outputInitStructMembers(self):
GlobalObjectDefinition.outputInitStructMembers(self)
Output("it->ob_owned = 1;")
def outputCleanupStructMembers(self):
Output("if (self->ob_owned) AEDisposeDesc(&self->ob_itself);")
aedescobject = AEDescDefinition('AEDesc')
module.addobject(aedescobject)
functions = []
aedescmethods = []
execfile('aegen.py')
##execfile('aedatamodelgen.py')
# Manual generator
AutoDispose_body = """
int onoff, old;
if (!PyArg_ParseTuple(_args, "i", &onoff))
return NULL;
old = _self->ob_owned;
_self->ob_owned = onoff;
_res = Py_BuildValue("i", old);
return _res;
"""
f = ManualGenerator("AutoDispose", AutoDispose_body)
f.docstring = lambda: "(int)->int. Automatically AEDisposeDesc the object on Python object cleanup"
aedescmethods.append(f)
for f in functions: module.add(f)
for f in aedescmethods: aedescobject.add(f)
SetOutputFileName('_AEmodule.c')
module.generate()
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