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()