Mercurial > cpython-lru_cache-weakref

annotate Python/structmember.c @ 42132:863ed7cd45dc

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Merged revisions 56020-56124 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/p3yk ................ r56037 | georg.brandl | 2007-06-19 05:33:20 -0700 (Tue, 19 Jun 2007) | 2 lines Patch #1739659: don't slice dict.keys() in pydoc. ................ r56060 | martin.v.loewis | 2007-06-21 13:00:02 -0700 (Thu, 21 Jun 2007) | 2 lines Regenerate to add True, False, None. ................ r56069 | neal.norwitz | 2007-06-21 22:31:56 -0700 (Thu, 21 Jun 2007) | 1 line Get the doctest working again after adding None, True, and False as kewyords. ................ r56070 | neal.norwitz | 2007-06-21 23:25:33 -0700 (Thu, 21 Jun 2007) | 1 line Add space to error message. ................ r56071 | neal.norwitz | 2007-06-21 23:40:04 -0700 (Thu, 21 Jun 2007) | 6 lines Get pybench working, primarily * Use print function * Stop using string module * Use sorted instead of assuming dict methods return lists * Convert range result to a list ................ r56089 | collin.winter | 2007-06-26 10:31:48 -0700 (Tue, 26 Jun 2007) | 1 line Fix AttributeError in distutils/dir_util.py. ................ r56124 | guido.van.rossum | 2007-06-29 18:04:31 -0700 (Fri, 29 Jun 2007) | 30 lines Merged revisions 56014-56123 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r56019 | lars.gustaebel | 2007-06-18 04:42:11 -0700 (Mon, 18 Jun 2007) | 2 lines Added exclude keyword argument to the TarFile.add() method. ........ r56023 | lars.gustaebel | 2007-06-18 13:05:55 -0700 (Mon, 18 Jun 2007) | 3 lines Added missing \versionchanged tag for the new exclude parameter. ........ r56038 | georg.brandl | 2007-06-19 05:36:00 -0700 (Tue, 19 Jun 2007) | 2 lines Bug #1737864: allow empty message in logging format routines. ........ r56040 | georg.brandl | 2007-06-19 05:38:20 -0700 (Tue, 19 Jun 2007) | 2 lines Bug #1739115: make shutil.rmtree docs clear wrt. file deletion. ........ r56084 | georg.brandl | 2007-06-25 08:21:23 -0700 (Mon, 25 Jun 2007) | 2 lines Bug #1742901: document None behavior of shlex.split. ........ r56091 | georg.brandl | 2007-06-27 07:09:56 -0700 (Wed, 27 Jun 2007) | 2 lines Fix a variable name in winreg docs. ........ ................
author Guido van Rossum <guido@python.org>
date Sat, 30 Jun 2007 05:01:58 +0000
parents e4f649c4f457
children 3fc3cedc49ca
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1
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2 /* Map C struct members to Python object attributes */
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3
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4 #include "Python.h"
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5
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6 #include "structmember.h"
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7
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8 static PyObject *
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9 listmembers(struct memberlist *mlist)
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10 {
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11 int i, n;
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12 PyObject *v;
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13 for (n = 0; mlist[n].name != NULL; n++)
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14 ;
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15 v = PyList_New(n);
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16 if (v != NULL) {
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17 for (i = 0; i < n; i++)
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18 PyList_SetItem(v, i,
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19 PyString_FromString(mlist[i].name));
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20 if (PyErr_Occurred()) {
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21 Py_DECREF(v);
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22 v = NULL;
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23 }
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24 else {
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25 PyList_Sort(v);
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26 }
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27 }
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28 return v;
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29 }
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30
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31 PyObject *
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32 PyMember_Get(const char *addr, struct memberlist *mlist, const char *name)
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33 {
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34 struct memberlist *l;
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35
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36 if (strcmp(name, "__members__") == 0)
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37 return listmembers(mlist);
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38 for (l = mlist; l->name != NULL; l++) {
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39 if (strcmp(l->name, name) == 0) {
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40 PyMemberDef copy;
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41 copy.name = l->name;
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42 copy.type = l->type;
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43 copy.offset = l->offset;
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44 copy.flags = l->flags;
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45 copy.doc = NULL;
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46 return PyMember_GetOne(addr, &copy);
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47 }
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48 }
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49 PyErr_SetString(PyExc_AttributeError, name);
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50 return NULL;
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51 }
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52
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53 PyObject *
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54 PyMember_GetOne(const char *addr, PyMemberDef *l)
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55 {
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56 PyObject *v;
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57
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58 addr += l->offset;
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59 switch (l->type) {
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60 case T_BYTE:
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61 v = PyInt_FromLong(*(char*)addr);
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62 break;
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63 case T_UBYTE:
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64 v = PyLong_FromUnsignedLong(*(unsigned char*)addr);
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65 break;
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66 case T_SHORT:
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67 v = PyInt_FromLong(*(short*)addr);
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68 break;
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69 case T_USHORT:
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70 v = PyLong_FromUnsignedLong(*(unsigned short*)addr);
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71 break;
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72 case T_INT:
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73 v = PyInt_FromLong(*(int*)addr);
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74 break;
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75 case T_UINT:
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76 v = PyLong_FromUnsignedLong(*(unsigned int*)addr);
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77 break;
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78 case T_LONG:
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79 v = PyInt_FromLong(*(long*)addr);
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80 break;
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81 case T_ULONG:
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82 v = PyLong_FromUnsignedLong(*(unsigned long*)addr);
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83 break;
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84 case T_PYSSIZET:
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85 v = PyInt_FromSsize_t(*(Py_ssize_t*)addr);
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86 break;
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87 case T_FLOAT:
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88 v = PyFloat_FromDouble((double)*(float*)addr);
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89 break;
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90 case T_DOUBLE:
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91 v = PyFloat_FromDouble(*(double*)addr);
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92 break;
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93 case T_STRING:
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94 if (*(char**)addr == NULL) {
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95 Py_INCREF(Py_None);
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96 v = Py_None;
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97 }
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98 else
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99 v = PyString_FromString(*(char**)addr);
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100 break;
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101 case T_STRING_INPLACE:
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102 v = PyString_FromString((char*)addr);
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103 break;
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104 case T_CHAR:
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105 v = PyString_FromStringAndSize((char*)addr, 1);
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106 break;
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107 case T_OBJECT:
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108 v = *(PyObject **)addr;
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109 if (v == NULL)
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110 v = Py_None;
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111 Py_INCREF(v);
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112 break;
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113 case T_OBJECT_EX:
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114 v = *(PyObject **)addr;
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115 if (v == NULL)
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116 PyErr_SetString(PyExc_AttributeError, l->name);
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117 Py_XINCREF(v);
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118 break;
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119 #ifdef HAVE_LONG_LONG
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120 case T_LONGLONG:
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121 v = PyLong_FromLongLong(*(PY_LONG_LONG *)addr);
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122 break;
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123 case T_ULONGLONG:
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124 v = PyLong_FromUnsignedLongLong(*(unsigned PY_LONG_LONG *)addr);
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125 break;
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126 #endif /* HAVE_LONG_LONG */
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127 case T_NONE:
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Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
128 v = Py_None;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
129 Py_INCREF(v);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
130 break;
20012
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diff changeset
131 default:
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
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diff changeset
132 PyErr_SetString(PyExc_SystemError, "bad memberdescr type");
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parents: 19942
diff changeset
133 v = NULL;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
134 }
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
135 return v;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
136 }
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parents: 19942
diff changeset
137
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
138 int
36114
e9a10f74cf88 const poisoning, spreading to fix new const warnings
Tim Peters <tim.peters@gmail.com>
parents: 34677
diff changeset
139 PyMember_Set(char *addr, struct memberlist *mlist, const char *name, PyObject *v)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
140 {
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
141 struct memberlist *l;
20012
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diff changeset
142
86
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Guido van Rossum <guido@python.org>
parents:
diff changeset
143 for (l = mlist; l->name != NULL; l++) {
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
144 if (strcmp(l->name, name) == 0) {
20012
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Guido van Rossum <guido@python.org>
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diff changeset
145 PyMemberDef copy;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
146 copy.name = l->name;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
147 copy.type = l->type;
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Guido van Rossum <guido@python.org>
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diff changeset
148 copy.offset = l->offset;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
149 copy.flags = l->flags;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
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parents: 19942
diff changeset
150 copy.doc = NULL;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
151 return PyMember_SetOne(addr, &copy, v);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
152 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 }
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
154
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
155 PyErr_SetString(PyExc_AttributeError, name);
95
a5bf7d5959ce Return -1 for errors.
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
156 return -1;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 }
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
158
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
159 int
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
160 PyMember_SetOne(char *addr, PyMemberDef *l, PyObject *v)
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
161 {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
162 PyObject *oldv;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
163
30979
86fdf8fe7f17 Getting rid of all the code inside #ifdef macintosh too.
Jack Jansen <jack.jansen@cwi.nl>
parents: 21187
diff changeset
164 if ((l->flags & READONLY) || l->type == T_STRING)
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
165 {
41317
b897b77a004f Make readonly members defined in C throw an AttributeError on modification. This brings them into sync with Python-level attributes. Fixes bug #1687163.
Collin Winter <collinw@gmail.com>
parents: 40450
diff changeset
166 PyErr_SetString(PyExc_AttributeError, "readonly attribute");
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
167 return -1;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
168 }
21187
ef6f692c76e2 Fix SF bug #486144: Uninitialized __slot__ vrbl is None.
Guido van Rossum <guido@python.org>
parents: 20456
diff changeset
169 if (v == NULL && l->type != T_OBJECT_EX && l->type != T_OBJECT) {
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
170 PyErr_SetString(PyExc_TypeError,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
171 "can't delete numeric/char attribute");
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
172 return -1;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
173 }
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
174 addr += l->offset;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
175 switch (l->type) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
176 case T_BYTE:{
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
177 long long_val;
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
178 long_val = PyInt_AsLong(v);
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
179 if ((long_val == -1) && PyErr_Occurred())
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
180 return -1;
40450
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
181 /* XXX: For compatibility, only warn about truncations
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
182 for now. */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
183 if ((long_val > CHAR_MAX) || (long_val < CHAR_MIN))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
184 PyErr_Warn(PyExc_RuntimeWarning, "Truncation of value to char");
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
185 *(char*)addr = (char)long_val;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
186 break;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
187 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
188 case T_UBYTE:{
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
189 long long_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
190 long_val = PyInt_AsLong(v);
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
191 if ((long_val == -1) && PyErr_Occurred())
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
192 return -1;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
193 if ((long_val > UCHAR_MAX) || (long_val < 0))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
194 PyErr_Warn(PyExc_RuntimeWarning, "Truncation of value to unsigned char");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
195 *(unsigned char*)addr = (unsigned char)long_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
196 break;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
197 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
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diff changeset
198 case T_SHORT:{
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
199 long long_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
200 long_val = PyInt_AsLong(v);
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Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
201 if ((long_val == -1) && PyErr_Occurred())
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
202 return -1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
203 if ((long_val > SHRT_MAX) || (long_val < SHRT_MIN))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
204 PyErr_Warn(PyExc_RuntimeWarning, "Truncation of value to short");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
205 *(short*)addr = (short)long_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
206 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
207 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
208 case T_USHORT:{
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
209 long long_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
210 long_val = PyInt_AsLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
211 if ((long_val == -1) && PyErr_Occurred())
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
212 return -1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
213 if ((long_val > USHRT_MAX) || (long_val < 0))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
214 PyErr_Warn(PyExc_RuntimeWarning, "Truncation of value to unsigned short");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
215 *(unsigned short*)addr = (unsigned short)long_val;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
216 break;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
217 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
218 case T_INT:{
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
219 long long_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
220 long_val = PyInt_AsLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
221 if ((long_val == -1) && PyErr_Occurred())
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
222 return -1;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
223 if ((long_val > INT_MAX) || (long_val < INT_MIN))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
224 PyErr_Warn(PyExc_RuntimeWarning, "Truncation of value to int");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
225 *(int *)addr = (int)long_val;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
226 break;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
227 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
228 case T_UINT:{
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
229 unsigned long ulong_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
230 ulong_val = PyLong_AsUnsignedLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
231 if ((ulong_val == (unsigned int)-1) && PyErr_Occurred()) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
232 /* XXX: For compatibility, accept negative int values
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
233 as well. */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
234 PyErr_Clear();
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
235 ulong_val = PyLong_AsLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
236 if ((ulong_val == (unsigned int)-1) && PyErr_Occurred())
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
237 return -1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
238 PyErr_Warn(PyExc_RuntimeWarning, "Writing negative value into unsigned field");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
239 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
240 if (ulong_val > UINT_MAX)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
241 PyErr_Warn(PyExc_RuntimeWarning, "Truncation of value to unsigned int");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
242 *(unsigned int *)addr = (unsigned int)ulong_val;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
243 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
244 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
245 case T_LONG:{
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
246 *(long*)addr = PyLong_AsLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
247 if ((*(long*)addr == -1) && PyErr_Occurred())
20012
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Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
248 return -1;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
249 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
250 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
251 case T_ULONG:{
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
252 *(unsigned long*)addr = PyLong_AsUnsignedLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
253 if ((*(unsigned long*)addr == (unsigned long)-1)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
254 && PyErr_Occurred()) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
255 /* XXX: For compatibility, accept negative int values
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
256 as well. */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
257 PyErr_Clear();
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
258 *(unsigned long*)addr = PyLong_AsLong(v);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
259 if ((*(unsigned long*)addr == (unsigned int)-1) && PyErr_Occurred())
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
260 return -1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
261 PyErr_Warn(PyExc_RuntimeWarning, "Writing negative value into unsigned field");
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
262 }
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
263 break;
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19942
diff changeset
264 }
42110
e4f649c4f457 Merged revisions 55962-56019 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
265 case T_PYSSIZET:{
e4f649c4f457 Merged revisions 55962-56019 via svnmerge from
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266 *(Py_ssize_t*)addr = PyInt_AsSsize_t(v);
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267 if ((*(Py_ssize_t*)addr == (Py_ssize_t)-1)
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268 && PyErr_Occurred())
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269 return -1;
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270 break;
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271 }
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272 case T_FLOAT:{
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273 double double_val;
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274 double_val = PyFloat_AsDouble(v);
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275 if ((double_val == -1) && PyErr_Occurred())
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276 return -1;
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277 *(float*)addr = (float)double_val;
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278 break;
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279 }
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280 case T_DOUBLE:
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281 *(double*)addr = PyFloat_AsDouble(v);
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282 if ((*(double*)addr == -1) && PyErr_Occurred())
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283 return -1;
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284 break;
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285 case T_OBJECT:
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286 case T_OBJECT_EX:
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287 Py_XINCREF(v);
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288 oldv = *(PyObject **)addr;
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289 *(PyObject **)addr = v;
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290 Py_XDECREF(oldv);
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291 break;
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292 case T_CHAR:
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293 if (PyString_Check(v) && PyString_Size(v) == 1) {
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294 *(char*)addr = PyString_AsString(v)[0];
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295 }
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296 else {
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297 PyErr_BadArgument();
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298 return -1;
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299 }
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300 break;
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301 #ifdef HAVE_LONG_LONG
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302 case T_LONGLONG:{
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303 PY_LONG_LONG value;
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304 *(PY_LONG_LONG*)addr = value = PyLong_AsLongLong(v);
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305 if ((value == -1) && PyErr_Occurred())
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306 return -1;
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307 break;
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308 }
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309 case T_ULONGLONG:{
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310 unsigned PY_LONG_LONG value;
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311 /* ??? PyLong_AsLongLong accepts an int, but PyLong_AsUnsignedLongLong
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312 doesn't ??? */
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313 if (PyLong_Check(v))
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314 *(unsigned PY_LONG_LONG*)addr = value = PyLong_AsUnsignedLongLong(v);
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315 else
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316 *(unsigned PY_LONG_LONG*)addr = value = PyInt_AsLong(v);
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317 if ((value == (unsigned PY_LONG_LONG)-1) && PyErr_Occurred())
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318 return -1;
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319 break;
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320 }
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321 #endif /* HAVE_LONG_LONG */
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322 default:
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323 PyErr_Format(PyExc_SystemError,
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324 "bad memberdescr type for %s", l->name);
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325 return -1;
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326 }
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327 return 0;
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328 }