An interface to the LaunchServices API.

Mac/Modules/launch/launchsupport.py

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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).
+
+import string
+
+# Declarations that change for each manager
+MODNAME = '_Launch'				# The name of the module
+OBJECTNAME = 'UNUSED'			# The basic name of the objects used here
+KIND = 'Record'				# Usually 'Ptr' or 'Handle'
+
+# The following is *usually* unchanged but may still require tuning
+MODPREFIX = 'Launch'			# The prefix for module-wide routines
+OBJECTTYPE = OBJECTNAME + KIND		# 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
+LSAcceptanceFlags = Type("LSAcceptanceFlags", "l")
+LSInitializeFlags = Type("LSInitializeFlags", "l")
+LSRequestedInfo = Type("LSRequestedInfo", "l")
+LSRolesMask = Type("LSRolesMask", "l")
+OptCFStringRef = OpaqueByValueType("CFStringRef", "OptCFStringRefObj")
+LSItemInfoRecord = OpaqueType("LSItemInfoRecord", "LSItemInfoRecord")
+#MenuRef = OpaqueByValueType("MenuRef", "MenuObj")
+#MenuItemIndex = Type("MenuItemIndex", "H")
+
+#WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
+
+#RgnHandle = FakeType("(RgnHandle)0")
+# XXXX Should be next, but this will break a lot of code...
+# RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
+
+#KeyMap = ArrayOutputBufferType("KeyMap")
+##MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
+##MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
+#EventMask = Type("EventMask", "H")
+#EventKind = Type("EventKind", "H")
+
+includestuff = includestuff + """
+#include <ApplicationServices/ApplicationServices.h>
+
+/*
+** Optional CFStringRef. None will pass NULL
+*/
+static int
+OptCFStringRefObj_Convert(PyObject *v, CFStringRef *spec)
+{
+	if (v == Py_None) {
+		*spec = NULL;
+		return 1;
+	}
+	return CFStringRefObj_Convert(v, spec);
+}
+
+PyObject *
+OptCFStringRefObj_New(CFStringRef it)
+{
+	if (it == NULL) {
+		Py_INCREF(Py_None);
+		return Py_None;
+	}
+	return CFStringRefObj_New(it);
+}
+
+/*
+** Convert LSItemInfoRecord to Python.
+*/
+PyObject *
+LSItemInfoRecord_New(LSItemInfoRecord *it)
+{
+	return Py_BuildValue("{s:is:O&s:O&s:O&s:O&s:i}", 
+		"flags", it->flags,
+		"filetype", PyMac_BuildOSType, it->filetype,
+		"creator", PyMac_BuildOSType, it->creator,
+		"extension", OptCFStringRefObj_New, it->extension,
+		"iconFileName", OptCFStringRefObj_New, it->iconFileName,
+		"kindID", it->kindID);
+}
+"""
+
+# From here on it's basically all boiler plate...
+execfile(string.lower(MODPREFIX) + 'typetest.py')
+
+# 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()
+