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# 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
#include <Carbon/Carbon.h>
/*
** 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()
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