| # 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). |
| |
| # NOTE: the scrap include file is so bad that the bgen output has to be |
| # massaged by hand. |
| |
| import string |
| |
| # Declarations that change for each manager |
| MACHEADERFILE = 'Scrap.h' # The Apple header file |
| MODNAME = '_Scrap' # The name of the module |
| OBJECTNAME = 'Scrap' # The basic name of the objects used here |
| |
| # The following is *usually* unchanged but may still require tuning |
| MODPREFIX = 'Scrap' # The prefix for module-wide routines |
| OBJECTTYPE = OBJECTNAME + 'Ref' # The C type used to represent them |
| OBJECTPREFIX = MODPREFIX + 'Obj' # 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 |
| ScrapRef = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX) |
| |
| includestuff = includestuff + """ |
| #ifndef PyDoc_STR |
| #define PyDoc_STR(x) (x) |
| #endif |
| #ifdef WITHOUT_FRAMEWORKS |
| #include <Scrap.h> |
| #else |
| #include <Carbon/Carbon.h> |
| #endif |
| |
| /* |
| ** Generate ScrapInfo records |
| */ |
| static PyObject * |
| SCRRec_New(itself) |
| ScrapStuff *itself; |
| { |
| |
| return Py_BuildValue("lO&hhO&", itself->scrapSize, |
| ResObj_New, itself->scrapHandle, itself->scrapCount, itself->scrapState, |
| PyMac_BuildStr255, itself->scrapName); |
| } |
| """ |
| |
| ScrapStuffPtr = OpaqueByValueType('ScrapStuffPtr', 'SCRRec') |
| ScrapFlavorType = OSTypeType('ScrapFlavorType') |
| ScrapFlavorFlags = Type('ScrapFlavorFlags', 'l') |
| #ScrapFlavorInfo = OpaqueType('ScrapFlavorInfo', 'ScrapFlavorInfo') |
| putscrapbuffer = FixedInputBufferType('void *') |
| |
| class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition): |
| pass |
| |
| # Create the generator groups and link them |
| module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) |
| object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE) |
| module.addobject(object) |
| |
| # Create the generator classes used to populate the lists |
| Function = OSErrFunctionGenerator |
| Method = OSErrMethodGenerator |
| |
| # 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() |
| |