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annotate Mac/Modules/launch/launchsupport.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents c3a096bfbd6b
children ac192f89c109
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # This script generates a Python interface for an Apple Macintosh Manager.
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2 # It uses the "bgen" package to generate C code.
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3 # The function specifications are generated by scanning the mamager's header file,
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4 # using the "scantools" package (customized for this particular manager).
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5
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6 import string
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7
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8 # Declarations that change for each manager
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9 MODNAME = '_Launch' # The name of the module
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10 OBJECTNAME = 'UNUSED' # The basic name of the objects used here
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11 KIND = 'Record' # Usually 'Ptr' or 'Handle'
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12
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13 # The following is *usually* unchanged but may still require tuning
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14 MODPREFIX = 'Launch' # The prefix for module-wide routines
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15 OBJECTTYPE = OBJECTNAME + KIND # The C type used to represent them
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16 OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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17 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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18 OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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19
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20 from macsupport import *
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21
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22 # Create the type objects
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23 LSAcceptanceFlags = Type("LSAcceptanceFlags", "l")
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24 LSInitializeFlags = Type("LSInitializeFlags", "l")
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25 LSRequestedInfo = Type("LSRequestedInfo", "l")
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26 LSRolesMask = Type("LSRolesMask", "l")
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27 UniCharCount = Type("UniCharCount", "l")
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28 OptCFStringRef = OpaqueByValueType("CFStringRef", "OptCFStringRefObj")
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29 LSItemInfoRecord = OpaqueType("LSItemInfoRecord", "LSItemInfoRecord")
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30
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31 includestuff = includestuff + """
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32 #if PY_VERSION_HEX < 0x02040000
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33 PyObject *PyMac_GetOSErrException(void);
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34 #endif
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35
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36 #include <ApplicationServices/ApplicationServices.h>
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37
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38 /*
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39 ** Optional CFStringRef. None will pass NULL
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40 */
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41 static int
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42 OptCFStringRefObj_Convert(PyObject *v, CFStringRef *spec)
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43 {
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44 if (v == Py_None) {
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45 *spec = NULL;
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46 return 1;
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47 }
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48 return CFStringRefObj_Convert(v, spec);
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49 }
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50
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51 PyObject *
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52 OptCFStringRefObj_New(CFStringRef it)
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53 {
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54 if (it == NULL) {
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55 Py_INCREF(Py_None);
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56 return Py_None;
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57 }
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58 return CFStringRefObj_New(it);
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59 }
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60
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61 /*
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62 ** Convert LSItemInfoRecord to Python.
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63 */
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64 PyObject *
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65 LSItemInfoRecord_New(LSItemInfoRecord *it)
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66 {
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67 return Py_BuildValue("{s:is:O&s:O&s:O&s:O&s:i}",
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68 "flags", it->flags,
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69 "filetype", PyMac_BuildOSType, it->filetype,
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70 "creator", PyMac_BuildOSType, it->creator,
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71 "extension", OptCFStringRefObj_New, it->extension,
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72 "iconFileName", OptCFStringRefObj_New, it->iconFileName,
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73 "kindID", it->kindID);
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74 }
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75 """
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76
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77 # From here on it's basically all boiler plate...
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78 execfile(string.lower(MODPREFIX) + 'typetest.py')
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79
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80 # Create the generator groups and link them
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81 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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82 ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
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83 ##module.addobject(object)
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84
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85 # Create the generator classes used to populate the lists
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86 Function = OSErrFunctionGenerator
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87 ##Method = OSErrMethodGenerator
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88
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89 # Create and populate the lists
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90 functions = []
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91 ##methods = []
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92 execfile(INPUTFILE)
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93
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94 # add the populated lists to the generator groups
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95 # (in a different wordl the scan program would generate this)
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96 for f in functions: module.add(f)
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97 ##for f in methods: object.add(f)
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98
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99 # generate output (open the output file as late as possible)
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100 SetOutputFileName(OUTPUTFILE)
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101 module.generate()