# This script generates a Python interface for an Apple Macintosh Manager.

# It uses the "bgen" package to generate C code.

# The function specifications are generated by scanning the mamager's header file,

# using the "scantools" package (customized for this particular manager).

import string

# Declarations that change for each manager

MACHEADERFILE = 'OSA.h'         # The Apple header file

MODNAME = '_OSA'                                # The name of the module

# The following is *usually* unchanged but may still require tuning

MODPREFIX = 'OSA'                       # The prefix for module-wide routines

OBJECTPREFIX = 'OSAObj' # The prefix for object methods

INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner

OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program

from macsupport import *

# Create the type objects

includestuff = includestuff + """

#if PY_VERSION_HEX < 0x02040000

PyObject *PyMac_GetOSErrException(void);

#endif

#include <Carbon/Carbon.h>

#ifdef USE_TOOLBOX_OBJECT_GLUE

extern PyObject *_OSAObj_New(ComponentInstance);

extern int _OSAObj_Convert(PyObject *, ComponentInstance *);

#define OSAObj_New _OSAObj_New

#define OSAObj_Convert _OSAObj_Convert

#endif

"""

initstuff = initstuff + """

/*

        PyMac_INIT_TOOLBOX_OBJECT_NEW(ComponentInstance, OSAObj_New);

        PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ComponentInstance, OSAObj_Convert);

*/

"""

ComponentInstance = OpaqueByValueType('ComponentInstance', OBJECTPREFIX)

OSAError = OSErrType("OSAError", "l")

# OSALocalOrGlobal = Type("OSALocalOrGlobal", "l")

OSAID = Type("OSAID", "l")

OSADebugCallFrameRef = Type("OSADebugCallFrameRef", "l")

OSADebugSessionRef = Type("OSADebugSessionRef", "l")

OSADebugStepKind = Type("OSADebugStepKind", "l")

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')

# NOTE: at the moment OSA.ComponentInstance is not a subclass

# of Cm.ComponentInstance. If this is a problem it can be fixed.

class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):

    def outputCheckNewArg(self):

        Output("""if (itself == NULL) {

                                PyErr_SetString(OSA_Error,"NULL ComponentInstance");

                                return NULL;

                        }""")

    def outputCheckConvertArg(self):

        Output("""

                if (CmpInstObj_Convert(v, p_itself))

                        return 1;

                PyErr_Clear();

                """)

# Create the generator groups and link them

module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)

object = MyObjectDefinition('OSAComponentInstance', OBJECTPREFIX,

                'ComponentInstance')

module.addobject(object)

# Create the generator classes used to populate the lists

Function = OSErrWeakLinkFunctionGenerator

Method = OSErrWeakLinkMethodGenerator

# Test which types we are still missing.

execfile(string.lower(MODPREFIX) + 'typetest.py')

# Create and populate the lists

functions = []

methods = []

execfile(INPUTFILE)

# add the populated lists to the generator groups

# (in a different wordl the scan program would generate this)

for f in functions: module.add(f)

for f in methods: object.add(f)

# generate output (open the output file as late as possible)

SetOutputFileName(OUTPUTFILE)

module.generate()