| # 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() |