Mac/Modules/launch/launchsupport.py

   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()