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      1 # This script generates a Python interface for an Apple Macintosh Manager.
      2 # It uses the "bgen" package to generate C code.
      3 # The function specifications are generated by scanning the mamager's header file,
      4 # using the "scantools" package (customized for this particular manager).
      5 
      6 import string
      7 
      8 # Declarations that change for each manager
      9 MODNAME = '_Launch'                             # The name of the module
     10 OBJECTNAME = 'UNUSED'                   # The basic name of the objects used here
     11 KIND = 'Record'                         # Usually 'Ptr' or 'Handle'
     12 
     13 # The following is *usually* unchanged but may still require tuning
     14 MODPREFIX = 'Launch'                    # The prefix for module-wide routines
     15 OBJECTTYPE = OBJECTNAME + KIND          # The C type used to represent them
     16 OBJECTPREFIX = MODPREFIX + 'Obj'        # The prefix for object methods
     17 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
     18 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
     19 
     20 from macsupport import *
     21 
     22 # Create the type objects
     23 LSAcceptanceFlags = Type("LSAcceptanceFlags", "l")
     24 LSInitializeFlags = Type("LSInitializeFlags", "l")
     25 LSRequestedInfo = Type("LSRequestedInfo", "l")
     26 LSRolesMask = Type("LSRolesMask", "l")
     27 UniCharCount = Type("UniCharCount", "l")
     28 OptCFStringRef = OpaqueByValueType("CFStringRef", "OptCFStringRefObj")
     29 LSItemInfoRecord = OpaqueType("LSItemInfoRecord", "LSItemInfoRecord")
     30 
     31 includestuff = includestuff + """
     32 #if PY_VERSION_HEX < 0x02040000
     33 PyObject *PyMac_GetOSErrException(void);
     34 #endif
     35 
     36 #include <ApplicationServices/ApplicationServices.h>
     37 
     38 /*
     39 ** Optional CFStringRef. None will pass NULL
     40 */
     41 static int
     42 OptCFStringRefObj_Convert(PyObject *v, CFStringRef *spec)
     43 {
     44         if (v == Py_None) {
     45                 *spec = NULL;
     46                 return 1;
     47         }
     48         return CFStringRefObj_Convert(v, spec);
     49 }
     50 
     51 PyObject *
     52 OptCFStringRefObj_New(CFStringRef it)
     53 {
     54         if (it == NULL) {
     55                 Py_INCREF(Py_None);
     56                 return Py_None;
     57         }
     58         return CFStringRefObj_New(it);
     59 }
     60 
     61 /*
     62 ** Convert LSItemInfoRecord to Python.
     63 */
     64 PyObject *
     65 LSItemInfoRecord_New(LSItemInfoRecord *it)
     66 {
     67         return Py_BuildValue("{s:is:O&s:O&s:O&s:O&s:i}",
     68                 "flags", it->flags,
     69                 "filetype", PyMac_BuildOSType, it->filetype,
     70                 "creator", PyMac_BuildOSType, it->creator,
     71                 "extension", OptCFStringRefObj_New, it->extension,
     72                 "iconFileName", OptCFStringRefObj_New, it->iconFileName,
     73                 "kindID", it->kindID);
     74 }
     75 """
     76 
     77 # From here on it's basically all boiler plate...
     78 execfile(string.lower(MODPREFIX) + 'typetest.py')
     79 
     80 # Create the generator groups and link them
     81 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
     82 ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
     83 ##module.addobject(object)
     84 
     85 # Create the generator classes used to populate the lists
     86 Function = OSErrFunctionGenerator
     87 ##Method = OSErrMethodGenerator
     88 
     89 # Create and populate the lists
     90 functions = []
     91 ##methods = []
     92 execfile(INPUTFILE)
     93 
     94 # add the populated lists to the generator groups
     95 # (in a different wordl the scan program would generate this)
     96 for f in functions: module.add(f)
     97 ##for f in methods: object.add(f)
     98 
     99 # generate output (open the output file as late as possible)
    100 SetOutputFileName(OUTPUTFILE)
    101 module.generate()
    102