Mercurial > cpython-lru_cache-weakref

annotate Objects/structseq.c @ 68235:61b0263d6881 2.2

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Close 2.2 branch.
author Georg Brandl <georg@python.org>
date Sat, 05 Mar 2011 14:55:23 +0100
parents beb2008a3c32
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
20540
ad2662095d77 Missing file structseq.c for SF patch #462296
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1 /* Implementation helper: a struct that looks like a tuple. See timemodule
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2 and posixmodule for example uses. */
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3
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4 #include "Python.h"
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5 #include "structmember.h"
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6 #include "structseq.h"
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7
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8 static char visible_length_key[] = "n_sequence_fields";
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9 static char real_length_key[] = "n_fields";
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10
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11 #define VISIBLE_SIZE(op) ((op)->ob_size)
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12 #define VISIBLE_SIZE_TP(tp) PyInt_AsLong( \
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13 PyDict_GetItemString((tp)->tp_dict, visible_length_key))
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14
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15 #define REAL_SIZE_TP(tp) PyInt_AsLong( \
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16 PyDict_GetItemString((tp)->tp_dict, real_length_key))
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17 #define REAL_SIZE(op) REAL_SIZE_TP((op)->ob_type)
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18
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19
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20 PyObject *
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21 PyStructSequence_New(PyTypeObject *type)
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22 {
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23 PyStructSequence *obj;
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24
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25 obj = PyObject_New(PyStructSequence, type);
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26 obj->ob_size = VISIBLE_SIZE_TP(type);
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27
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28 return (PyObject*) obj;
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29 }
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30
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31 static void
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32 structseq_dealloc(PyStructSequence *obj)
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33 {
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34 int i, size;
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35
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36 size = REAL_SIZE(obj);
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37 for (i = 0; i < size; ++i) {
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38 Py_XDECREF(obj->ob_item[i]);
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39 }
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40 PyObject_FREE(obj);
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41 }
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42
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43 static int
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44 structseq_length(PyStructSequence *obj)
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45 {
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46 return VISIBLE_SIZE(obj);
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47 }
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48
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49 static PyObject*
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50 structseq_item(PyStructSequence *obj, int i)
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51 {
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52 if (i < 0 || i >= VISIBLE_SIZE(obj)) {
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53 PyErr_SetString(PyExc_IndexError, "tuple index out of range");
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54 return NULL;
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55 }
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56 Py_INCREF(obj->ob_item[i]);
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57 return obj->ob_item[i];
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58 }
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59
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60 static PyObject*
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61 structseq_slice(PyStructSequence *obj, int low, int high)
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62 {
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63 PyTupleObject *np;
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64 int i;
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65
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66 if (low < 0)
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67 low = 0;
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68 if (high > VISIBLE_SIZE(obj))
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69 high = VISIBLE_SIZE(obj);
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70 if (high < low)
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71 high = low;
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72 np = (PyTupleObject *)PyTuple_New(high-low);
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73 if (np == NULL)
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74 return NULL;
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75 for(i = low; i < high; ++i) {
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76 PyObject *v = obj->ob_item[i];
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77 Py_INCREF(v);
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78 PyTuple_SET_ITEM(np, i-low, v);
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79 }
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80 return (PyObject *) np;
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81 }
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82
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83 static PyObject *
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84 structseq_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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85 {
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86 PyObject *arg = NULL;
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87 PyObject *dict = NULL;
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88 PyObject *ob;
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89 PyStructSequence *res = NULL;
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90 int len, min_len, max_len, i;
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91 static char *kwlist[] = {"sequence", "dict", 0};
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92
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93 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:structseq",
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94 kwlist, &arg, &dict))
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95 return NULL;
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96
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97 arg = PySequence_Fast(arg, "constructor requires a sequence");
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98
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99 if (!arg) {
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100 return NULL;
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101 }
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102
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103 if (dict && !PyDict_Check(dict)) {
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104 PyErr_Format(PyExc_TypeError,
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105 "%.500s() takes a dict as second arg, if any",
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106 type->tp_name);
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107 Py_DECREF(arg);
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108 return NULL;
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109 }
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110
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111 len = PySequence_Fast_GET_SIZE(arg);
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112 min_len = VISIBLE_SIZE_TP(type);
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113 max_len = REAL_SIZE_TP(type);
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114
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115 if (min_len != max_len) {
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116 if (len < min_len) {
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117 PyErr_Format(PyExc_TypeError,
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118 "%.500s() takes an at least %d-sequence (%d-sequence given)",
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119 type->tp_name, min_len, len);
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120 Py_DECREF(arg);
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121 return NULL;
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122 }
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123
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124 if (len > max_len) {
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125 PyErr_Format(PyExc_TypeError,
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126 "%.500s() takes an at most %d-sequence (%d-sequence given)",
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127 type->tp_name, max_len, len);
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128 Py_DECREF(arg);
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129 return NULL;
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130 }
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131 }
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132 else {
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133 if (len != min_len) {
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134 PyErr_Format(PyExc_TypeError,
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135 "%.500s() takes a %d-sequence (%d-sequence given)",
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136 type->tp_name, min_len, len);
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137 Py_DECREF(arg);
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138 return NULL;
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139 }
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140 }
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141
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142 res = (PyStructSequence*) PyStructSequence_New(type);
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143 if (res == NULL) {
beb2008a3c32 backport:
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diff changeset
144 return NULL;
beb2008a3c32 backport:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22168
diff changeset
145 }
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ad2662095d77 Missing file structseq.c for SF patch #462296
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146 for (i = 0; i < len; ++i) {
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147 PyObject *v = PySequence_Fast_GET_ITEM(arg, i);
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148 Py_INCREF(v);
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149 res->ob_item[i] = v;
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150 }
837951ecdce9 After some thinking, I decided to move all of this across onto
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151 for (; i < max_len; ++i) {
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152 if (dict && (ob = PyDict_GetItemString(
837951ecdce9 After some thinking, I decided to move all of this across onto
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153 dict, type->tp_members[i].name))) {
837951ecdce9 After some thinking, I decided to move all of this across onto
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154 }
837951ecdce9 After some thinking, I decided to move all of this across onto
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155 else {
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156 ob = Py_None;
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157 }
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158 Py_INCREF(ob);
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159 res->ob_item[i] = ob;
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ad2662095d77 Missing file structseq.c for SF patch #462296
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160 }
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161
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162 Py_DECREF(arg);
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ad2662095d77 Missing file structseq.c for SF patch #462296
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163 return (PyObject*) res;
ad2662095d77 Missing file structseq.c for SF patch #462296
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164 }
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165
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166 static PyObject *
ad2662095d77 Missing file structseq.c for SF patch #462296
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167 make_tuple(PyStructSequence *obj)
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168 {
ad2662095d77 Missing file structseq.c for SF patch #462296
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169 return structseq_slice(obj, 0, VISIBLE_SIZE(obj));
ad2662095d77 Missing file structseq.c for SF patch #462296
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170 }
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171
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172 static PyObject *
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173 structseq_repr(PyStructSequence *obj)
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Guido van Rossum <guido@python.org>
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174 {
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175 PyObject *tup, *str;
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176 tup = make_tuple(obj);
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177 str = PyObject_Repr(tup);
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178 Py_DECREF(tup);
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179 return str;
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180 }
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181
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182 static PyObject *
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183 structseq_concat(PyStructSequence *obj, PyObject *b)
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184 {
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185 PyObject *tup, *result;
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186 tup = make_tuple(obj);
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187 result = PySequence_Concat(tup, b);
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188 Py_DECREF(tup);
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189 return result;
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
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190 }
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parents:
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191
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diff changeset
192 static PyObject *
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193 structseq_repeat(PyStructSequence *obj, int n)
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Guido van Rossum <guido@python.org>
parents:
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194 {
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
diff changeset
195 PyObject *tup, *result;
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196 tup = make_tuple(obj);
ad2662095d77 Missing file structseq.c for SF patch #462296
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197 result = PySequence_Repeat(tup, n);
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198 Py_DECREF(tup);
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199 return result;
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
diff changeset
200 }
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
diff changeset
201
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diff changeset
202 static int
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diff changeset
203 structseq_contains(PyStructSequence *obj, PyObject *o)
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parents:
diff changeset
204 {
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
205 PyObject *tup;
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206 int result;
ad2662095d77 Missing file structseq.c for SF patch #462296
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207 tup = make_tuple(obj);
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208 result = PySequence_Contains(tup, o);
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diff changeset
209 Py_DECREF(tup);
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210 return result;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
211 }
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
diff changeset
212
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
213 static long
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Guido van Rossum <guido@python.org>
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diff changeset
214 structseq_hash(PyObject *obj)
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diff changeset
215 {
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
216 PyObject *tup;
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
217 long result;
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218 tup = make_tuple((PyStructSequence*) obj);
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219 result = PyObject_Hash(tup);
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220 Py_DECREF(tup);
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
221 return result;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
222 }
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
223
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
224 static PyObject *
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diff changeset
225 structseq_richcompare(PyObject *obj, PyObject *o2, int op)
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
diff changeset
226 {
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
227 PyObject *tup, *result;
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
228 tup = make_tuple((PyStructSequence*) obj);
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
229 result = PyObject_RichCompare(tup, o2, op);
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
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diff changeset
230 Py_DECREF(tup);
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
231 return result;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
232 }
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
233
22137
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diff changeset
234 static PyObject *
1a5110b4bd72 backport my checkin of
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diff changeset
235 structseq_reduce(PyStructSequence* self)
1a5110b4bd72 backport my checkin of
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diff changeset
236 {
1a5110b4bd72 backport my checkin of
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diff changeset
237 PyObject* tup;
22166
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diff changeset
238 PyObject* dict;
22168
68831ac5495b backport my checkin of
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diff changeset
239 PyObject* result;
22166
837951ecdce9 After some thinking, I decided to move all of this across onto
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diff changeset
240 long n_fields, n_visible_fields;
22137
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diff changeset
241 int i;
1a5110b4bd72 backport my checkin of
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diff changeset
242
1a5110b4bd72 backport my checkin of
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diff changeset
243 n_fields = REAL_SIZE(self);
22166
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diff changeset
244 n_visible_fields = VISIBLE_SIZE(self);
837951ecdce9 After some thinking, I decided to move all of this across onto
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diff changeset
245 tup = PyTuple_New(n_visible_fields);
22137
1a5110b4bd72 backport my checkin of
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diff changeset
246 if (!tup) {
1a5110b4bd72 backport my checkin of
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diff changeset
247 return NULL;
1a5110b4bd72 backport my checkin of
Michael W. Hudson <mwh@python.net>
parents: 21081
diff changeset
248 }
1a5110b4bd72 backport my checkin of
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diff changeset
249
22166
837951ecdce9 After some thinking, I decided to move all of this across onto
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diff changeset
250 dict = PyDict_New();
837951ecdce9 After some thinking, I decided to move all of this across onto
Michael W. Hudson <mwh@python.net>
parents: 22137
diff changeset
251 if (!dict) {
837951ecdce9 After some thinking, I decided to move all of this across onto
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parents: 22137
diff changeset
252 Py_DECREF(tup);
837951ecdce9 After some thinking, I decided to move all of this across onto
Michael W. Hudson <mwh@python.net>
parents: 22137
diff changeset
253 return NULL;
837951ecdce9 After some thinking, I decided to move all of this across onto
Michael W. Hudson <mwh@python.net>
parents: 22137
diff changeset
254 }
837951ecdce9 After some thinking, I decided to move all of this across onto
Michael W. Hudson <mwh@python.net>
parents: 22137
diff changeset
255
837951ecdce9 After some thinking, I decided to move all of this across onto
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parents: 22137
diff changeset
256 for (i = 0; i < n_visible_fields; i++) {
22137
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diff changeset
257 Py_INCREF(self->ob_item[i]);
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diff changeset
258 PyTuple_SET_ITEM(tup, i, self->ob_item[i]);
1a5110b4bd72 backport my checkin of
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parents: 21081
diff changeset
259 }
1a5110b4bd72 backport my checkin of
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diff changeset
260
22166
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parents: 22137
diff changeset
261 for (; i < n_fields; i++) {
837951ecdce9 After some thinking, I decided to move all of this across onto
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parents: 22137
diff changeset
262 PyDict_SetItemString(dict, self->ob_type->tp_members[i].name,
837951ecdce9 After some thinking, I decided to move all of this across onto
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parents: 22137
diff changeset
263 self->ob_item[i]);
837951ecdce9 After some thinking, I decided to move all of this across onto
Michael W. Hudson <mwh@python.net>
parents: 22137
diff changeset
264 }
837951ecdce9 After some thinking, I decided to move all of this across onto
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parents: 22137
diff changeset
265
22168
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diff changeset
266 result = Py_BuildValue("(O(OO))", self->ob_type, tup, dict);
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diff changeset
267
68831ac5495b backport my checkin of
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268 Py_DECREF(tup);
68831ac5495b backport my checkin of
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269 Py_DECREF(dict);
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diff changeset
270
68831ac5495b backport my checkin of
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diff changeset
271 return result;
22137
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diff changeset
272 }
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diff changeset
273
20540
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274 static PySequenceMethods structseq_as_sequence = {
ad2662095d77 Missing file structseq.c for SF patch #462296
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diff changeset
275 (inquiry)structseq_length,
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
276 (binaryfunc)structseq_concat, /* sq_concat */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
277 (intargfunc)structseq_repeat, /* sq_repeat */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
278 (intargfunc)structseq_item, /* sq_item */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
279 (intintargfunc)structseq_slice, /* sq_slice */
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Guido van Rossum <guido@python.org>
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diff changeset
280 0, /* sq_ass_item */
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diff changeset
281 0, /* sq_ass_slice */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
282 (objobjproc)structseq_contains, /* sq_contains */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
283 };
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284
22137
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285 static PyMethodDef structseq_methods[] = {
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286 {"__reduce__", (PyCFunction)structseq_reduce,
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diff changeset
287 METH_NOARGS, NULL},
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diff changeset
288 {NULL, NULL}
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289 };
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290
20540
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291 static PyTypeObject _struct_sequence_template = {
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diff changeset
292 PyObject_HEAD_INIT(&PyType_Type)
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Guido van Rossum <guido@python.org>
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293 0, /* ob_size */
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294 NULL, /* tp_name */
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parents:
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295 0, /* tp_basicsize */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
296 0, /* tp_itemsize */
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parents:
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297 (destructor)structseq_dealloc, /* tp_dealloc */
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parents:
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298 0, /* tp_print */
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parents:
diff changeset
299 0, /* tp_getattr */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
300 0, /* tp_setattr */
ad2662095d77 Missing file structseq.c for SF patch #462296
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parents:
diff changeset
301 0, /* tp_compare */
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parents:
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302 (reprfunc)structseq_repr, /* tp_repr */
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parents:
diff changeset
303 0, /* tp_as_number */
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parents:
diff changeset
304 &structseq_as_sequence, /* tp_as_sequence */
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Guido van Rossum <guido@python.org>
parents:
diff changeset
305 0, /* tp_as_mapping */
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Guido van Rossum <guido@python.org>
parents:
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306 (hashfunc)structseq_hash, /* tp_hash */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
307 0, /* tp_call */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
308 0, /* tp_str */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
309 0, /* tp_getattro */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
310 0, /* tp_setattro */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
311 0, /* tp_as_buffer */
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Guido van Rossum <guido@python.org>
parents:
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312 Py_TPFLAGS_DEFAULT, /* tp_flags */
ad2662095d77 Missing file structseq.c for SF patch #462296
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313 NULL, /* tp_doc */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
314 0, /* tp_traverse */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
315 0, /* tp_clear */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
316 structseq_richcompare, /* tp_richcompare */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
317 0, /* tp_weaklistoffset */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
318 0, /* tp_iter */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
319 0, /* tp_iternext */
22137
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Michael W. Hudson <mwh@python.net>
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320 structseq_methods, /* tp_methods */
20540
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
321 NULL, /* tp_members */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
322 0, /* tp_getset */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
323 0, /* tp_base */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
324 0, /* tp_dict */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
325 0, /* tp_descr_get */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
326 0, /* tp_descr_set */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
327 0, /* tp_dictoffset */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
328 0, /* tp_init */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
329 0, /* tp_alloc */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
330 structseq_new, /* tp_new */
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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331 };
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
332
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
333 void
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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334 PyStructSequence_InitType(PyTypeObject *type, PyStructSequence_Desc *desc)
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
335 {
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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336 PyObject *dict;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
337 PyMemberDef* members;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
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338 int n_members, i;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
339
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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340 for (i = 0; desc->fields[i].name != NULL; ++i)
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
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341 ;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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342 n_members = i;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
343
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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344 memcpy(type, &_struct_sequence_template, sizeof(PyTypeObject));
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
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345 type->tp_name = desc->name;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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346 type->tp_doc = desc->doc;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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347 type->tp_basicsize = sizeof(PyStructSequence)+
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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348 sizeof(PyObject*)*(n_members-1);
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
349 type->tp_itemsize = 0;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
350
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
351 members = PyMem_NEW(PyMemberDef, n_members+1);
27608
beb2008a3c32 backport:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22168
diff changeset
352 if (members == NULL)
beb2008a3c32 backport:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22168
diff changeset
353 return;
20540
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
354
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
355 for (i = 0; i < n_members; ++i) {
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
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356 members[i].name = desc->fields[i].name;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
357 members[i].type = T_OBJECT;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
358 members[i].offset = offsetof(PyStructSequence, ob_item)
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
359 + i * sizeof(PyObject*);
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 members[i].flags = READONLY;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
361 members[i].doc = desc->fields[i].doc;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 }
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 members[n_members].name = NULL;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
364
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 type->tp_members = members;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
366
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
367 if (PyType_Ready(type) < 0)
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
368 return;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 Py_INCREF(type);
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
370
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 dict = type->tp_dict;
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 PyDict_SetItemString(dict, visible_length_key,
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
373 PyInt_FromLong((long) desc->n_in_sequence));
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 PyDict_SetItemString(dict, real_length_key,
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 PyInt_FromLong((long) n_members));
22137
1a5110b4bd72 backport my checkin of
Michael W. Hudson <mwh@python.net>
parents: 21081
diff changeset
376 PyDict_SetItemString(dict, "__safe_for_unpickling__",
1a5110b4bd72 backport my checkin of
Michael W. Hudson <mwh@python.net>
parents: 21081
diff changeset
377 PyInt_FromLong(1));
20540
ad2662095d77 Missing file structseq.c for SF patch #462296
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 }