Mercurial > cpython-lru_cache-weakref

annotate Modules/arraymodule.c @ 70710:8587305b259b

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Revert a reversed comparison order introduced in r70695.
author Brett Cannon <brett@python.org>
date Tue, 07 Jun 2011 20:09:32 -0700
parents fc282e375703
children d0b0fcbb40db
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87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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1 /* Array object implementation */
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2
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3 /* An array is a uniform list -- all items have the same type.
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4 The item type is restricted to simple C types like int or float */
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5
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6 #define PY_SSIZE_T_CLEAN
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7 #include "Python.h"
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8 #include "structmember.h"
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9
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10 #ifdef STDC_HEADERS
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11 #include <stddef.h>
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12 #else /* !STDC_HEADERS */
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13 #ifdef HAVE_SYS_TYPES_H
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14 #include <sys/types.h> /* For size_t */
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15 #endif /* HAVE_SYS_TYPES_H */
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16 #endif /* !STDC_HEADERS */
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17
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18 struct arrayobject; /* Forward */
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19
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20 /* All possible arraydescr values are defined in the vector "descriptors"
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21 * below. That's defined later because the appropriate get and set
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22 * functions aren't visible yet.
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23 */
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24 struct arraydescr {
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25 Py_UNICODE typecode;
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26 int itemsize;
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27 PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
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28 int (*setitem)(struct arrayobject *, Py_ssize_t, PyObject *);
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29 char *formats;
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30 int is_integer_type;
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31 int is_signed;
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32 };
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33
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34 typedef struct arrayobject {
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35 PyObject_VAR_HEAD
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36 char *ob_item;
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37 Py_ssize_t allocated;
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38 struct arraydescr *ob_descr;
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39 PyObject *weakreflist; /* List of weak references */
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40 int ob_exports; /* Number of exported buffers */
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41 } arrayobject;
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42
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43 static PyTypeObject Arraytype;
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44
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45 #define array_Check(op) PyObject_TypeCheck(op, &Arraytype)
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46 #define array_CheckExact(op) (Py_TYPE(op) == &Arraytype)
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47
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48 static int
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49 array_resize(arrayobject *self, Py_ssize_t newsize)
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50 {
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51 char *items;
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52 size_t _new_size;
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53
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54 if (self->ob_exports > 0 && newsize != Py_SIZE(self)) {
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55 PyErr_SetString(PyExc_BufferError,
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56 "cannot resize an array that is exporting buffers");
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57 return -1;
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58 }
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59
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60 /* Bypass realloc() when a previous overallocation is large enough
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61 to accommodate the newsize. If the newsize is 16 smaller than the
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62 current size, then proceed with the realloc() to shrink the array.
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63 */
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64
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65 if (self->allocated >= newsize &&
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66 Py_SIZE(self) < newsize + 16 &&
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67 self->ob_item != NULL) {
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68 Py_SIZE(self) = newsize;
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69 return 0;
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70 }
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71
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72 if (newsize == 0) {
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73 PyMem_FREE(self->ob_item);
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74 self->ob_item = NULL;
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75 Py_SIZE(self) = 0;
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76 self->allocated = 0;
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77 return 0;
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78 }
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79
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80 /* This over-allocates proportional to the array size, making room
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81 * for additional growth. The over-allocation is mild, but is
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82 * enough to give linear-time amortized behavior over a long
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83 * sequence of appends() in the presence of a poorly-performing
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84 * system realloc().
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85 * The growth pattern is: 0, 4, 8, 16, 25, 34, 46, 56, 67, 79, ...
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86 * Note, the pattern starts out the same as for lists but then
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87 * grows at a smaller rate so that larger arrays only overallocate
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88 * by about 1/16th -- this is done because arrays are presumed to be more
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89 * memory critical.
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90 */
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91
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92 _new_size = (newsize >> 4) + (Py_SIZE(self) < 8 ? 3 : 7) + newsize;
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93 items = self->ob_item;
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94 /* XXX The following multiplication and division does not optimize away
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95 like it does for lists since the size is not known at compile time */
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96 if (_new_size <= ((~(size_t)0) / self->ob_descr->itemsize))
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97 PyMem_RESIZE(items, char, (_new_size * self->ob_descr->itemsize));
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98 else
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99 items = NULL;
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100 if (items == NULL) {
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101 PyErr_NoMemory();
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102 return -1;
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103 }
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104 self->ob_item = items;
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105 Py_SIZE(self) = newsize;
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106 self->allocated = _new_size;
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107 return 0;
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108 }
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109
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110 /****************************************************************************
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111 Get and Set functions for each type.
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112 A Get function takes an arrayobject* and an integer index, returning the
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113 array value at that index wrapped in an appropriate PyObject*.
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114 A Set function takes an arrayobject, integer index, and PyObject*; sets
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115 the array value at that index to the raw C data extracted from the PyObject*,
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116 and returns 0 if successful, else nonzero on failure (PyObject* not of an
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117 appropriate type or value).
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118 Note that the basic Get and Set functions do NOT check that the index is
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119 in bounds; that's the responsibility of the caller.
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120 ****************************************************************************/
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121
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122 static PyObject *
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123 b_getitem(arrayobject *ap, Py_ssize_t i)
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124 {
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125 long x = ((char *)ap->ob_item)[i];
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126 if (x >= 128)
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127 x -= 256;
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128 return PyLong_FromLong(x);
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129 }
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130
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131 static int
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132 b_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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133 {
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134 short x;
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135 /* PyArg_Parse's 'b' formatter is for an unsigned char, therefore
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136 must use the next size up that is signed ('h') and manually do
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137 the overflow checking */
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138 if (!PyArg_Parse(v, "h;array item must be integer", &x))
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139 return -1;
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140 else if (x < -128) {
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141 PyErr_SetString(PyExc_OverflowError,
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142 "signed char is less than minimum");
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143 return -1;
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144 }
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145 else if (x > 127) {
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146 PyErr_SetString(PyExc_OverflowError,
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147 "signed char is greater than maximum");
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148 return -1;
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149 }
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150 if (i >= 0)
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151 ((char *)ap->ob_item)[i] = (char)x;
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152 return 0;
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153 }
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154
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155 static PyObject *
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156 BB_getitem(arrayobject *ap, Py_ssize_t i)
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157 {
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158 long x = ((unsigned char *)ap->ob_item)[i];
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159 return PyLong_FromLong(x);
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160 }
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161
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162 static int
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163 BB_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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164 {
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165 unsigned char x;
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166 /* 'B' == unsigned char, maps to PyArg_Parse's 'b' formatter */
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167 if (!PyArg_Parse(v, "b;array item must be integer", &x))
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168 return -1;
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169 if (i >= 0)
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170 ((char *)ap->ob_item)[i] = x;
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171 return 0;
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172 }
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173
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174 static PyObject *
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175 u_getitem(arrayobject *ap, Py_ssize_t i)
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176 {
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177 return PyUnicode_FromUnicode(&((Py_UNICODE *) ap->ob_item)[i], 1);
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178 }
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179
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180 static int
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181 u_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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182 {
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183 Py_UNICODE *p;
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184 Py_ssize_t len;
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185
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186 if (!PyArg_Parse(v, "u#;array item must be unicode character", &p, &len))
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187 return -1;
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188 if (len != 1) {
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189 PyErr_SetString(PyExc_TypeError,
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190 "array item must be unicode character");
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191 return -1;
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192 }
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193 if (i >= 0)
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194 ((Py_UNICODE *)ap->ob_item)[i] = p[0];
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195 return 0;
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196 }
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197
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198
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199 static PyObject *
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200 h_getitem(arrayobject *ap, Py_ssize_t i)
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201 {
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202 return PyLong_FromLong((long) ((short *)ap->ob_item)[i]);
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203 }
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204
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205
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206 static int
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207 h_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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208 {
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209 short x;
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210 /* 'h' == signed short, maps to PyArg_Parse's 'h' formatter */
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211 if (!PyArg_Parse(v, "h;array item must be integer", &x))
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212 return -1;
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213 if (i >= 0)
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214 ((short *)ap->ob_item)[i] = x;
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215 return 0;
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216 }
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217
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218 static PyObject *
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219 HH_getitem(arrayobject *ap, Py_ssize_t i)
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220 {
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221 return PyLong_FromLong((long) ((unsigned short *)ap->ob_item)[i]);
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222 }
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223
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224 static int
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225 HH_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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226 {
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227 int x;
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228 /* PyArg_Parse's 'h' formatter is for a signed short, therefore
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229 must use the next size up and manually do the overflow checking */
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230 if (!PyArg_Parse(v, "i;array item must be integer", &x))
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231 return -1;
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232 else if (x < 0) {
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233 PyErr_SetString(PyExc_OverflowError,
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234 "unsigned short is less than minimum");
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235 return -1;
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236 }
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237 else if (x > USHRT_MAX) {
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238 PyErr_SetString(PyExc_OverflowError,
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239 "unsigned short is greater than maximum");
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240 return -1;
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241 }
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242 if (i >= 0)
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243 ((short *)ap->ob_item)[i] = (short)x;
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244 return 0;
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245 }
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246
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247 static PyObject *
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248 i_getitem(arrayobject *ap, Py_ssize_t i)
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249 {
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250 return PyLong_FromLong((long) ((int *)ap->ob_item)[i]);
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251 }
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252
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253 static int
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254 i_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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255 {
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256 int x;
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257 /* 'i' == signed int, maps to PyArg_Parse's 'i' formatter */
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258 if (!PyArg_Parse(v, "i;array item must be integer", &x))
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259 return -1;
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260 if (i >= 0)
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261 ((int *)ap->ob_item)[i] = x;
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262 return 0;
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263 }
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264
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265 static PyObject *
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266 II_getitem(arrayobject *ap, Py_ssize_t i)
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267 {
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268 return PyLong_FromUnsignedLong(
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269 (unsigned long) ((unsigned int *)ap->ob_item)[i]);
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270 }
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271
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272 static int
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273 II_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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274 {
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275 unsigned long x;
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276 if (PyLong_Check(v)) {
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277 x = PyLong_AsUnsignedLong(v);
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278 if (x == (unsigned long) -1 && PyErr_Occurred())
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279 return -1;
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280 }
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281 else {
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282 long y;
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283 if (!PyArg_Parse(v, "l;array item must be integer", &y))
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284 return -1;
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285 if (y < 0) {
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286 PyErr_SetString(PyExc_OverflowError,
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287 "unsigned int is less than minimum");
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288 return -1;
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289 }
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290 x = (unsigned long)y;
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291
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292 }
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293 if (x > UINT_MAX) {
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294 PyErr_SetString(PyExc_OverflowError,
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295 "unsigned int is greater than maximum");
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296 return -1;
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297 }
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298
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299 if (i >= 0)
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300 ((unsigned int *)ap->ob_item)[i] = (unsigned int)x;
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301 return 0;
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302 }
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303
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304 static PyObject *
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305 l_getitem(arrayobject *ap, Py_ssize_t i)
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306 {
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307 return PyLong_FromLong(((long *)ap->ob_item)[i]);
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308 }
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309
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310 static int
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311 l_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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312 {
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313 long x;
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314 if (!PyArg_Parse(v, "l;array item must be integer", &x))
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315 return -1;
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316 if (i >= 0)
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317 ((long *)ap->ob_item)[i] = x;
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318 return 0;
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319 }
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320
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321 static PyObject *
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322 LL_getitem(arrayobject *ap, Py_ssize_t i)
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323 {
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324 return PyLong_FromUnsignedLong(((unsigned long *)ap->ob_item)[i]);
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325 }
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326
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327 static int
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328 LL_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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329 {
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330 unsigned long x;
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331 if (PyLong_Check(v)) {
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332 x = PyLong_AsUnsignedLong(v);
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333 if (x == (unsigned long) -1 && PyErr_Occurred())
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334 return -1;
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335 }
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336 else {
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337 long y;
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338 if (!PyArg_Parse(v, "l;array item must be integer", &y))
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339 return -1;
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340 if (y < 0) {
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341 PyErr_SetString(PyExc_OverflowError,
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342 "unsigned long is less than minimum");
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343 return -1;
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344 }
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345 x = (unsigned long)y;
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346
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347 }
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348 if (x > ULONG_MAX) {
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349 PyErr_SetString(PyExc_OverflowError,
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350 "unsigned long is greater than maximum");
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351 return -1;
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352 }
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353
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354 if (i >= 0)
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355 ((unsigned long *)ap->ob_item)[i] = x;
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356 return 0;
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357 }
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358
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359 static PyObject *
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360 f_getitem(arrayobject *ap, Py_ssize_t i)
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361 {
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362 return PyFloat_FromDouble((double) ((float *)ap->ob_item)[i]);
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363 }
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364
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365 static int
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366 f_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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367 {
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368 float x;
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369 if (!PyArg_Parse(v, "f;array item must be float", &x))
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370 return -1;
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371 if (i >= 0)
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372 ((float *)ap->ob_item)[i] = x;
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373 return 0;
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374 }
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375
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376 static PyObject *
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377 d_getitem(arrayobject *ap, Py_ssize_t i)
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378 {
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379 return PyFloat_FromDouble(((double *)ap->ob_item)[i]);
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380 }
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381
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382 static int
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383 d_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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384 {
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385 double x;
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386 if (!PyArg_Parse(v, "d;array item must be float", &x))
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387 return -1;
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388 if (i >= 0)
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389 ((double *)ap->ob_item)[i] = x;
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390 return 0;
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391 }
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392
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393
55259
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394 /* Description of types.
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395 *
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396 * Don't forget to update typecode_to_mformat_code() if you add a new
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Alexandre Vassalotti <alexandre@peadrop.com>
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397 * typecode.
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Alexandre Vassalotti <alexandre@peadrop.com>
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398 */
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399 static struct arraydescr descriptors[] = {
61466
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400 {'b', 1, b_getitem, b_setitem, "b", 1, 1},
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401 {'B', 1, BB_getitem, BB_setitem, "B", 1, 0},
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402 {'u', sizeof(Py_UNICODE), u_getitem, u_setitem, "u", 0, 0},
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403 {'h', sizeof(short), h_getitem, h_setitem, "h", 1, 1},
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404 {'H', sizeof(short), HH_getitem, HH_setitem, "H", 1, 0},
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405 {'i', sizeof(int), i_getitem, i_setitem, "i", 1, 1},
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406 {'I', sizeof(int), II_getitem, II_setitem, "I", 1, 0},
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407 {'l', sizeof(long), l_getitem, l_setitem, "l", 1, 1},
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408 {'L', sizeof(long), LL_getitem, LL_setitem, "L", 1, 0},
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409 {'f', sizeof(float), f_getitem, f_setitem, "f", 0, 0},
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410 {'d', sizeof(double), d_getitem, d_setitem, "d", 0, 0},
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411 {'\0', 0, 0, 0, 0, 0, 0} /* Sentinel */
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412 };
14499
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Tim Peters <tim.peters@gmail.com>
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413
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Tim Peters <tim.peters@gmail.com>
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414 /****************************************************************************
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415 Implementations of array object methods.
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416 ****************************************************************************/
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417
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418 static PyObject *
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419 newarrayobject(PyTypeObject *type, Py_ssize_t size, struct arraydescr *descr)
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420 {
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421 arrayobject *op;
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422 size_t nbytes;
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423
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424 if (size < 0) {
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425 PyErr_BadInternalCall();
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426 return NULL;
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427 }
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428
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429 nbytes = size * descr->itemsize;
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430 /* Check for overflow */
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431 if (nbytes / descr->itemsize != (size_t)size) {
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432 return PyErr_NoMemory();
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433 }
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434 op = (arrayobject *) type->tp_alloc(type, 0);
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435 if (op == NULL) {
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436 return NULL;
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437 }
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438 op->ob_descr = descr;
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439 op->allocated = size;
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440 op->weakreflist = NULL;
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441 Py_SIZE(op) = size;
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442 if (size <= 0) {
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443 op->ob_item = NULL;
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444 }
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445 else {
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446 op->ob_item = PyMem_NEW(char, nbytes);
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447 if (op->ob_item == NULL) {
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448 Py_DECREF(op);
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449 return PyErr_NoMemory();
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450 }
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451 }
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452 op->ob_exports = 0;
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453 return (PyObject *) op;
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454 }
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455
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456 static PyObject *
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457 getarrayitem(PyObject *op, Py_ssize_t i)
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458 {
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459 register arrayobject *ap;
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460 assert(array_Check(op));
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461 ap = (arrayobject *)op;
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462 assert(i>=0 && i<Py_SIZE(ap));
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463 return (*ap->ob_descr->getitem)(ap, i);
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464 }
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465
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466 static int
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467 ins1(arrayobject *self, Py_ssize_t where, PyObject *v)
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468 {
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469 char *items;
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470 Py_ssize_t n = Py_SIZE(self);
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471 if (v == NULL) {
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472 PyErr_BadInternalCall();
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473 return -1;
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474 }
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475 if ((*self->ob_descr->setitem)(self, -1, v) < 0)
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476 return -1;
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Raymond Hettinger <python@rcn.com>
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477
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478 if (array_resize(self, n+1) == -1)
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479 return -1;
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480 items = self->ob_item;
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481 if (where < 0) {
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482 where += n;
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483 if (where < 0)
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484 where = 0;
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485 }
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486 if (where > n)
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487 where = n;
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488 /* appends don't need to call memmove() */
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489 if (where != n)
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490 memmove(items + (where+1)*self->ob_descr->itemsize,
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491 items + where*self->ob_descr->itemsize,
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492 (n-where)*self->ob_descr->itemsize);
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493 return (*self->ob_descr->setitem)(self, where, v);
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494 }
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495
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496 /* Methods */
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497
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498 static void
13590
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Peter Schneider-Kamp <nowonder@nowonder.de>
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499 array_dealloc(arrayobject *op)
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500 {
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501 if (op->weakreflist != NULL)
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502 PyObject_ClearWeakRefs((PyObject *) op);
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503 if (op->ob_item != NULL)
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504 PyMem_DEL(op->ob_item);
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505 Py_TYPE(op)->tp_free((PyObject *)op);
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506 }
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507
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508 static PyObject *
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509 array_richcompare(PyObject *v, PyObject *w, int op)
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510 {
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511 arrayobject *va, *wa;
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512 PyObject *vi = NULL;
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513 PyObject *wi = NULL;
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514 Py_ssize_t i, k;
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515 PyObject *res;
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516
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517 if (!array_Check(v) || !array_Check(w)) {
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518 Py_INCREF(Py_NotImplemented);
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519 return Py_NotImplemented;
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520 }
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521
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522 va = (arrayobject *)v;
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523 wa = (arrayobject *)w;
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524
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525 if (Py_SIZE(va) != Py_SIZE(wa) && (op == Py_EQ || op == Py_NE)) {
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526 /* Shortcut: if the lengths differ, the arrays differ */
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527 if (op == Py_EQ)
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528 res = Py_False;
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529 else
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530 res = Py_True;
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531 Py_INCREF(res);
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532 return res;
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533 }
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534
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535 /* Search for the first index where items are different */
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536 k = 1;
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537 for (i = 0; i < Py_SIZE(va) && i < Py_SIZE(wa); i++) {
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538 vi = getarrayitem(v, i);
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539 wi = getarrayitem(w, i);
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540 if (vi == NULL || wi == NULL) {
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541 Py_XDECREF(vi);
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542 Py_XDECREF(wi);
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543 return NULL;
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544 }
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545 k = PyObject_RichCompareBool(vi, wi, Py_EQ);
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546 if (k == 0)
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547 break; /* Keeping vi and wi alive! */
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548 Py_DECREF(vi);
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549 Py_DECREF(wi);
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550 if (k < 0)
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551 return NULL;
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552 }
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553
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554 if (k) {
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555 /* No more items to compare -- compare sizes */
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556 Py_ssize_t vs = Py_SIZE(va);
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557 Py_ssize_t ws = Py_SIZE(wa);
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558 int cmp;
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559 switch (op) {
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560 case Py_LT: cmp = vs < ws; break;
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561 case Py_LE: cmp = vs <= ws; break;
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562 case Py_EQ: cmp = vs == ws; break;
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563 case Py_NE: cmp = vs != ws; break;
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564 case Py_GT: cmp = vs > ws; break;
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565 case Py_GE: cmp = vs >= ws; break;
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566 default: return NULL; /* cannot happen */
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567 }
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568 if (cmp)
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569 res = Py_True;
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570 else
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571 res = Py_False;
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572 Py_INCREF(res);
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573 return res;
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574 }
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575
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576 /* We have an item that differs. First, shortcuts for EQ/NE */
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577 if (op == Py_EQ) {
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578 Py_INCREF(Py_False);
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579 res = Py_False;
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580 }
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581 else if (op == Py_NE) {
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582 Py_INCREF(Py_True);
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583 res = Py_True;
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584 }
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585 else {
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586 /* Compare the final item again using the proper operator */
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587 res = PyObject_RichCompare(vi, wi, op);
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588 }
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589 Py_DECREF(vi);
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590 Py_DECREF(wi);
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591 return res;
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592 }
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Guido van Rossum <guido@python.org>
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593
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594 static Py_ssize_t
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595 array_length(arrayobject *a)
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596 {
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597 return Py_SIZE(a);
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598 }
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Guido van Rossum <guido@python.org>
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599
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
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600 static PyObject *
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601 array_item(arrayobject *a, Py_ssize_t i)
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602 {
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603 if (i < 0 || i >= Py_SIZE(a)) {
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604 PyErr_SetString(PyExc_IndexError, "array index out of range");
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605 return NULL;
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606 }
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607 return getarrayitem((PyObject *)a, i);
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608 }
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Guido van Rossum <guido@python.org>
parents:
diff changeset
609
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
610 static PyObject *
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parents: 36324
diff changeset
611 array_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
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612 {
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613 arrayobject *np;
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614 if (ilow < 0)
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615 ilow = 0;
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616 else if (ilow > Py_SIZE(a))
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617 ilow = Py_SIZE(a);
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618 if (ihigh < 0)
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619 ihigh = 0;
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620 if (ihigh < ilow)
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621 ihigh = ilow;
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622 else if (ihigh > Py_SIZE(a))
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623 ihigh = Py_SIZE(a);
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624 np = (arrayobject *) newarrayobject(&Arraytype, ihigh - ilow, a->ob_descr);
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625 if (np == NULL)
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626 return NULL;
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627 memcpy(np->ob_item, a->ob_item + ilow * a->ob_descr->itemsize,
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628 (ihigh-ilow) * a->ob_descr->itemsize);
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629 return (PyObject *)np;
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630 }
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diff changeset
631
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parents: 4600
diff changeset
632 static PyObject *
31651
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parents: 30683
diff changeset
633 array_copy(arrayobject *a, PyObject *unused)
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parents: 30683
diff changeset
634 {
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635 return array_slice(a, 0, Py_SIZE(a));
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636 }
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637
35cb8114b45c SF bug #910986: copy.copy fails for array.array
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diff changeset
638 PyDoc_STRVAR(copy_doc,
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639 "copy(array)\n\
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diff changeset
640 \n\
35cb8114b45c SF bug #910986: copy.copy fails for array.array
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diff changeset
641 Return a copy of the array.");
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diff changeset
642
35cb8114b45c SF bug #910986: copy.copy fails for array.array
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parents: 30683
diff changeset
643 static PyObject *
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parents: 13447
diff changeset
644 array_concat(arrayobject *a, PyObject *bb)
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645 {
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646 Py_ssize_t size;
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647 arrayobject *np;
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648 if (!array_Check(bb)) {
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649 PyErr_Format(PyExc_TypeError,
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650 "can only append array (not \"%.200s\") to array",
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651 Py_TYPE(bb)->tp_name);
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652 return NULL;
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653 }
1235
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diff changeset
654 #define b ((arrayobject *)bb)
61467
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655 if (a->ob_descr != b->ob_descr) {
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656 PyErr_BadArgument();
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657 return NULL;
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658 }
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659 if (Py_SIZE(a) > PY_SSIZE_T_MAX - Py_SIZE(b)) {
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660 return PyErr_NoMemory();
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661 }
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662 size = Py_SIZE(a) + Py_SIZE(b);
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663 np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
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664 if (np == NULL) {
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665 return NULL;
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666 }
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667 memcpy(np->ob_item, a->ob_item, Py_SIZE(a)*a->ob_descr->itemsize);
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668 memcpy(np->ob_item + Py_SIZE(a)*a->ob_descr->itemsize,
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669 b->ob_item, Py_SIZE(b)*b->ob_descr->itemsize);
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670 return (PyObject *)np;
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671 #undef b
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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diff changeset
672 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
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diff changeset
673
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
674 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
675 array_repeat(arrayobject *a, Py_ssize_t n)
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Guido van Rossum <guido@python.org>
parents:
diff changeset
676 {
61467
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677 Py_ssize_t size;
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678 arrayobject *np;
66688
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Georg Brandl <georg@python.org>
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diff changeset
679 Py_ssize_t oldbytes, newbytes;
61467
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680 if (n < 0)
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681 n = 0;
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682 if ((Py_SIZE(a) != 0) && (n > PY_SSIZE_T_MAX / Py_SIZE(a))) {
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683 return PyErr_NoMemory();
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684 }
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685 size = Py_SIZE(a) * n;
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686 np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
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687 if (np == NULL)
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688 return NULL;
66688
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
689 if (n == 0)
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
690 return (PyObject *)np;
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
691 oldbytes = Py_SIZE(a) * a->ob_descr->itemsize;
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
692 newbytes = oldbytes * n;
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
693 /* this follows the code in unicode_repeat */
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
694 if (oldbytes == 1) {
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
695 memset(np->ob_item, a->ob_item[0], newbytes);
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
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diff changeset
696 } else {
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Georg Brandl <georg@python.org>
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diff changeset
697 Py_ssize_t done = oldbytes;
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
698 Py_MEMCPY(np->ob_item, a->ob_item, oldbytes);
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
699 while (done < newbytes) {
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
700 Py_ssize_t ncopy = (done <= newbytes-done) ? done : newbytes-done;
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
701 Py_MEMCPY(np->ob_item+done, np->ob_item, ncopy);
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Georg Brandl <georg@python.org>
parents: 66664
diff changeset
702 done += ncopy;
48c40709417b #1569291: speed up array.repeat() by making only O(log n) memcpy() calls; the code follows unicode_repeat.
Georg Brandl <georg@python.org>
parents: 66664
diff changeset
703 }
61467
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704 }
66688
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diff changeset
705 return (PyObject *)np;
1235
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Guido van Rossum <guido@python.org>
parents:
diff changeset
706 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
707
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
708 static int
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
709 array_ass_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
710 {
61467
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diff changeset
711 char *item;
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diff changeset
712 Py_ssize_t n; /* Size of replacement array */
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diff changeset
713 Py_ssize_t d; /* Change in size */
1235
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Guido van Rossum <guido@python.org>
parents:
diff changeset
714 #define b ((arrayobject *)v)
61467
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diff changeset
715 if (v == NULL)
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diff changeset
716 n = 0;
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diff changeset
717 else if (array_Check(v)) {
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diff changeset
718 n = Py_SIZE(b);
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diff changeset
719 if (a == b) {
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diff changeset
720 /* Special case "a[i:j] = a" -- copy b first */
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diff changeset
721 int ret;
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diff changeset
722 v = array_slice(b, 0, n);
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diff changeset
723 if (!v)
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diff changeset
724 return -1;
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diff changeset
725 ret = array_ass_slice(a, ilow, ihigh, v);
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diff changeset
726 Py_DECREF(v);
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diff changeset
727 return ret;
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diff changeset
728 }
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diff changeset
729 if (b->ob_descr != a->ob_descr) {
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diff changeset
730 PyErr_BadArgument();
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diff changeset
731 return -1;
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diff changeset
732 }
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diff changeset
733 }
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diff changeset
734 else {
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diff changeset
735 PyErr_Format(PyExc_TypeError,
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diff changeset
736 "can only assign array (not \"%.200s\") to array slice",
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diff changeset
737 Py_TYPE(v)->tp_name);
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diff changeset
738 return -1;
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diff changeset
739 }
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diff changeset
740 if (ilow < 0)
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diff changeset
741 ilow = 0;
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diff changeset
742 else if (ilow > Py_SIZE(a))
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diff changeset
743 ilow = Py_SIZE(a);
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diff changeset
744 if (ihigh < 0)
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diff changeset
745 ihigh = 0;
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diff changeset
746 if (ihigh < ilow)
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diff changeset
747 ihigh = ilow;
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diff changeset
748 else if (ihigh > Py_SIZE(a))
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diff changeset
749 ihigh = Py_SIZE(a);
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diff changeset
750 item = a->ob_item;
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diff changeset
751 d = n - (ihigh-ilow);
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diff changeset
752 /* Issue #4509: If the array has exported buffers and the slice
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diff changeset
753 assignment would change the size of the array, fail early to make
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diff changeset
754 sure we don't modify it. */
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diff changeset
755 if (d != 0 && a->ob_exports > 0) {
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diff changeset
756 PyErr_SetString(PyExc_BufferError,
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diff changeset
757 "cannot resize an array that is exporting buffers");
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diff changeset
758 return -1;
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diff changeset
759 }
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diff changeset
760 if (d < 0) { /* Delete -d items */
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diff changeset
761 memmove(item + (ihigh+d)*a->ob_descr->itemsize,
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diff changeset
762 item + ihigh*a->ob_descr->itemsize,
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parents: 58910
diff changeset
763 (Py_SIZE(a)-ihigh)*a->ob_descr->itemsize);
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diff changeset
764 if (array_resize(a, Py_SIZE(a) + d) == -1)
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diff changeset
765 return -1;
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diff changeset
766 }
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diff changeset
767 else if (d > 0) { /* Insert d items */
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diff changeset
768 if (array_resize(a, Py_SIZE(a) + d))
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diff changeset
769 return -1;
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diff changeset
770 memmove(item + (ihigh+d)*a->ob_descr->itemsize,
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diff changeset
771 item + ihigh*a->ob_descr->itemsize,
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772 (Py_SIZE(a)-ihigh)*a->ob_descr->itemsize);
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773 }
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774 if (n > 0)
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775 memcpy(item + ilow*a->ob_descr->itemsize, b->ob_item,
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776 n*b->ob_descr->itemsize);
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777 return 0;
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778 #undef b
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779 }
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780
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781 static int
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782 array_ass_item(arrayobject *a, Py_ssize_t i, PyObject *v)
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783 {
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784 if (i < 0 || i >= Py_SIZE(a)) {
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785 PyErr_SetString(PyExc_IndexError,
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786 "array assignment index out of range");
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787 return -1;
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788 }
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789 if (v == NULL)
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790 return array_ass_slice(a, i, i+1, v);
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791 return (*a->ob_descr->setitem)(a, i, v);
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792 }
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793
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794 static int
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795 setarrayitem(PyObject *a, Py_ssize_t i, PyObject *v)
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796 {
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797 assert(array_Check(a));
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798 return array_ass_item((arrayobject *)a, i, v);
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799 }
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800
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801 static int
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802 array_iter_extend(arrayobject *self, PyObject *bb)
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803 {
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804 PyObject *it, *v;
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805
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806 it = PyObject_GetIter(bb);
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807 if (it == NULL)
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808 return -1;
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809
61467
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810 while ((v = PyIter_Next(it)) != NULL) {
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811 if (ins1(self, Py_SIZE(self), v) != 0) {
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812 Py_DECREF(v);
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813 Py_DECREF(it);
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814 return -1;
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815 }
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816 Py_DECREF(v);
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817 }
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818 Py_DECREF(it);
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819 if (PyErr_Occurred())
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820 return -1;
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821 return 0;
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822 }
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823
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824 static int
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825 array_do_extend(arrayobject *self, PyObject *bb)
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826 {
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827 Py_ssize_t size, oldsize, bbsize;
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828
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829 if (!array_Check(bb))
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830 return array_iter_extend(self, bb);
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831 #define b ((arrayobject *)bb)
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832 if (self->ob_descr != b->ob_descr) {
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833 PyErr_SetString(PyExc_TypeError,
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834 "can only extend with array of same kind");
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835 return -1;
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836 }
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837 if ((Py_SIZE(self) > PY_SSIZE_T_MAX - Py_SIZE(b)) ||
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838 ((Py_SIZE(self) + Py_SIZE(b)) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
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839 PyErr_NoMemory();
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840 return -1;
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841 }
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842 oldsize = Py_SIZE(self);
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843 /* Get the size of bb before resizing the array since bb could be self. */
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844 bbsize = Py_SIZE(bb);
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845 size = oldsize + Py_SIZE(b);
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846 if (array_resize(self, size) == -1)
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847 return -1;
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848 memcpy(self->ob_item + oldsize * self->ob_descr->itemsize,
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849 b->ob_item, bbsize * b->ob_descr->itemsize);
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850
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851 return 0;
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852 #undef b
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853 }
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854
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855 static PyObject *
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856 array_inplace_concat(arrayobject *self, PyObject *bb)
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857 {
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858 if (!array_Check(bb)) {
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859 PyErr_Format(PyExc_TypeError,
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860 "can only extend array with array (not \"%.200s\")",
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861 Py_TYPE(bb)->tp_name);
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862 return NULL;
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863 }
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864 if (array_do_extend(self, bb) == -1)
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865 return NULL;
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866 Py_INCREF(self);
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867 return (PyObject *)self;
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868 }
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869
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870 static PyObject *
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871 array_inplace_repeat(arrayobject *self, Py_ssize_t n)
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872 {
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873 char *items, *p;
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874 Py_ssize_t size, i;
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875
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876 if (Py_SIZE(self) > 0) {
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877 if (n < 0)
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878 n = 0;
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879 if ((self->ob_descr->itemsize != 0) &&
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880 (Py_SIZE(self) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
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881 return PyErr_NoMemory();
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882 }
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883 size = Py_SIZE(self) * self->ob_descr->itemsize;
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884 if (n > 0 && size > PY_SSIZE_T_MAX / n) {
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885 return PyErr_NoMemory();
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886 }
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887 if (array_resize(self, n * Py_SIZE(self)) == -1)
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888 return NULL;
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889 items = p = self->ob_item;
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890 for (i = 1; i < n; i++) {
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891 p += size;
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892 memcpy(p, items, size);
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893 }
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894 }
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895 Py_INCREF(self);
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896 return (PyObject *)self;
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897 }
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898
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899
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900 static PyObject *
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901 ins(arrayobject *self, Py_ssize_t where, PyObject *v)
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902 {
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diff changeset
903 if (ins1(self, where, v) != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
904 return NULL;
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diff changeset
905 Py_INCREF(Py_None);
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diff changeset
906 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
907 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
908
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
909 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
910 array_count(arrayobject *self, PyObject *v)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
911 {
61467
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diff changeset
912 Py_ssize_t count = 0;
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diff changeset
913 Py_ssize_t i;
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
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diff changeset
914
61467
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diff changeset
915 for (i = 0; i < Py_SIZE(self); i++) {
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diff changeset
916 PyObject *selfi = getarrayitem((PyObject *)self, i);
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diff changeset
917 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
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diff changeset
918 Py_DECREF(selfi);
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diff changeset
919 if (cmp > 0)
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diff changeset
920 count++;
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diff changeset
921 else if (cmp < 0)
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diff changeset
922 return NULL;
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diff changeset
923 }
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diff changeset
924 return PyLong_FromSsize_t(count);
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
925 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
926
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
927 PyDoc_STRVAR(count_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
928 "count(x)\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
929 \n\
51776
d06a3ebf306f Merged revisions 69846 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 51271
diff changeset
930 Return number of occurrences of x in the array.");
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
931
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
932 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
933 array_index(arrayobject *self, PyObject *v)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
934 {
61467
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diff changeset
935 Py_ssize_t i;
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
936
61467
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diff changeset
937 for (i = 0; i < Py_SIZE(self); i++) {
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diff changeset
938 PyObject *selfi = getarrayitem((PyObject *)self, i);
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diff changeset
939 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
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diff changeset
940 Py_DECREF(selfi);
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parents: 58910
diff changeset
941 if (cmp > 0) {
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parents: 58910
diff changeset
942 return PyLong_FromLong((long)i);
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diff changeset
943 }
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diff changeset
944 else if (cmp < 0)
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diff changeset
945 return NULL;
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diff changeset
946 }
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diff changeset
947 PyErr_SetString(PyExc_ValueError, "array.index(x): x not in list");
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diff changeset
948 return NULL;
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
949 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
950
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
951 PyDoc_STRVAR(index_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
952 "index(x)\n\
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
953 \n\
51776
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diff changeset
954 Return index of first occurrence of x in the array.");
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
955
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
956 static int
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
957 array_contains(arrayobject *self, PyObject *v)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
958 {
61467
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959 Py_ssize_t i;
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960 int cmp;
27128
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Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
961
61467
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962 for (i = 0, cmp = 0 ; cmp == 0 && i < Py_SIZE(self); i++) {
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963 PyObject *selfi = getarrayitem((PyObject *)self, i);
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964 cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
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965 Py_DECREF(selfi);
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diff changeset
966 }
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967 return cmp;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
968 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
969
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
970 static PyObject *
27044
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Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
971 array_remove(arrayobject *self, PyObject *v)
13772
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parents: 13651
diff changeset
972 {
61467
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diff changeset
973 int i;
13772
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diff changeset
974
61467
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975 for (i = 0; i < Py_SIZE(self); i++) {
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diff changeset
976 PyObject *selfi = getarrayitem((PyObject *)self,i);
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diff changeset
977 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
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diff changeset
978 Py_DECREF(selfi);
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parents: 58910
diff changeset
979 if (cmp > 0) {
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980 if (array_ass_slice(self, i, i+1,
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diff changeset
981 (PyObject *)NULL) != 0)
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diff changeset
982 return NULL;
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diff changeset
983 Py_INCREF(Py_None);
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diff changeset
984 return Py_None;
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diff changeset
985 }
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diff changeset
986 else if (cmp < 0)
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diff changeset
987 return NULL;
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diff changeset
988 }
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diff changeset
989 PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in list");
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diff changeset
990 return NULL;
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
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diff changeset
991 }
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
992
23832
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Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
993 PyDoc_STRVAR(remove_doc,
14649
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Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
994 "remove(x)\n\
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
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diff changeset
995 \n\
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parents: 51271
diff changeset
996 Remove the first occurrence of x in the array.");
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
997
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
998 static PyObject *
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
999 array_pop(arrayobject *self, PyObject *args)
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parents: 13651
diff changeset
1000 {
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1001 Py_ssize_t i = -1;
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diff changeset
1002 PyObject *v;
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diff changeset
1003 if (!PyArg_ParseTuple(args, "|n:pop", &i))
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diff changeset
1004 return NULL;
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diff changeset
1005 if (Py_SIZE(self) == 0) {
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diff changeset
1006 /* Special-case most common failure cause */
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diff changeset
1007 PyErr_SetString(PyExc_IndexError, "pop from empty array");
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diff changeset
1008 return NULL;
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diff changeset
1009 }
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diff changeset
1010 if (i < 0)
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diff changeset
1011 i += Py_SIZE(self);
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diff changeset
1012 if (i < 0 || i >= Py_SIZE(self)) {
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diff changeset
1013 PyErr_SetString(PyExc_IndexError, "pop index out of range");
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1014 return NULL;
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1015 }
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1016 v = getarrayitem((PyObject *)self,i);
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1017 if (array_ass_slice(self, i, i+1, (PyObject *)NULL) != 0) {
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diff changeset
1018 Py_DECREF(v);
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diff changeset
1019 return NULL;
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diff changeset
1020 }
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1021 return v;
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diff changeset
1022 }
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diff changeset
1023
23832
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1024 PyDoc_STRVAR(pop_doc,
14649
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Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1025 "pop([i])\n\
13772
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parents: 13651
diff changeset
1026 \n\
23832
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Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1027 Return the i-th element and delete it from the array. i defaults to -1.");
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1028
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1029 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1030 array_extend(arrayobject *self, PyObject *bb)
13772
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Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1031 {
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diff changeset
1032 if (array_do_extend(self, bb) == -1)
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diff changeset
1033 return NULL;
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diff changeset
1034 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1035 return Py_None;
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1036 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1037
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1038 PyDoc_STRVAR(extend_doc,
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
1039 "extend(array or iterable)\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1040 \n\
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
1041 Append items to the end of the array.");
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1042
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1043 static PyObject *
13590
c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>)
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13447
diff changeset
1044 array_insert(arrayobject *self, PyObject *args)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1045 {
61467
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diff changeset
1046 Py_ssize_t i;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1047 PyObject *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1048 if (!PyArg_ParseTuple(args, "nO:insert", &i, &v))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1049 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1050 return ins(self, i, v);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1051 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1052
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1053 PyDoc_STRVAR(insert_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1054 "insert(i,x)\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1055 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1056 Insert a new item x into the array before position i.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1057
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1058
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1059 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1060 array_buffer_info(arrayobject *self, PyObject *unused)
5982
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of
Guido van Rossum <guido@python.org>
parents: 5696
diff changeset
1061 {
61467
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parents: 58910
diff changeset
1062 PyObject* retval = NULL;
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parents: 58910
diff changeset
1063 retval = PyTuple_New(2);
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parents: 58910
diff changeset
1064 if (!retval)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1065 return NULL;
13068
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1066
61467
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diff changeset
1067 PyTuple_SET_ITEM(retval, 0, PyLong_FromVoidPtr(self->ob_item));
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diff changeset
1068 PyTuple_SET_ITEM(retval, 1, PyLong_FromLong((long)(Py_SIZE(self))));
13068
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1069
61467
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diff changeset
1070 return retval;
5982
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of
Guido van Rossum <guido@python.org>
parents: 5696
diff changeset
1071 }
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of
Guido van Rossum <guido@python.org>
parents: 5696
diff changeset
1072
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1073 PyDoc_STRVAR(buffer_info_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1074 "buffer_info() -> (address, length)\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1075 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1076 Return a tuple (address, length) giving the current memory address and\n\
18851
ef2031c54875 Fix buffer_info() docstring to match reality. See SF bug #444842.
Guido van Rossum <guido@python.org>
parents: 18036
diff changeset
1077 the length in items of the buffer used to hold array's contents\n\
ef2031c54875 Fix buffer_info() docstring to match reality. See SF bug #444842.
Guido van Rossum <guido@python.org>
parents: 18036
diff changeset
1078 The length should be multiplied by the itemsize attribute to calculate\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1079 the buffer length in bytes.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1080
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1081
5982
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of
Guido van Rossum <guido@python.org>
parents: 5696
diff changeset
1082 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1083 array_append(arrayobject *self, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1084 {
63766
6b28b88f6c4e Merged revisions 83751-83752 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1085 return ins(self, Py_SIZE(self), v);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1086 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1087
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1088 PyDoc_STRVAR(append_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1089 "append(x)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1090 \n\
23832
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Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1091 Append new value x to the end of the array.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1092
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1093
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1094 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1095 array_byteswap(arrayobject *self, PyObject *unused)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1096 {
61467
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diff changeset
1097 char *p;
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diff changeset
1098 Py_ssize_t i;
11522
cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter
Fred Drake <fdrake@acm.org>
parents: 11242
diff changeset
1099
61467
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diff changeset
1100 switch (self->ob_descr->itemsize) {
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diff changeset
1101 case 1:
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diff changeset
1102 break;
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diff changeset
1103 case 2:
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diff changeset
1104 for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 2) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
1105 char p0 = p[0];
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parents: 58910
diff changeset
1106 p[0] = p[1];
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parents: 58910
diff changeset
1107 p[1] = p0;
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parents: 58910
diff changeset
1108 }
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parents: 58910
diff changeset
1109 break;
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parents: 58910
diff changeset
1110 case 4:
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parents: 58910
diff changeset
1111 for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 4) {
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parents: 58910
diff changeset
1112 char p0 = p[0];
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parents: 58910
diff changeset
1113 char p1 = p[1];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
1114 p[0] = p[3];
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parents: 58910
diff changeset
1115 p[1] = p[2];
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parents: 58910
diff changeset
1116 p[2] = p1;
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parents: 58910
diff changeset
1117 p[3] = p0;
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parents: 58910
diff changeset
1118 }
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diff changeset
1119 break;
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diff changeset
1120 case 8:
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diff changeset
1121 for (p = self->ob_item, i = Py_SIZE(self); --i >= 0; p += 8) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
1122 char p0 = p[0];
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parents: 58910
diff changeset
1123 char p1 = p[1];
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parents: 58910
diff changeset
1124 char p2 = p[2];
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parents: 58910
diff changeset
1125 char p3 = p[3];
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parents: 58910
diff changeset
1126 p[0] = p[7];
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parents: 58910
diff changeset
1127 p[1] = p[6];
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parents: 58910
diff changeset
1128 p[2] = p[5];
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parents: 58910
diff changeset
1129 p[3] = p[4];
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parents: 58910
diff changeset
1130 p[4] = p3;
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parents: 58910
diff changeset
1131 p[5] = p2;
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parents: 58910
diff changeset
1132 p[6] = p1;
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parents: 58910
diff changeset
1133 p[7] = p0;
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parents: 58910
diff changeset
1134 }
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diff changeset
1135 break;
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diff changeset
1136 default:
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parents: 58910
diff changeset
1137 PyErr_SetString(PyExc_RuntimeError,
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diff changeset
1138 "don't know how to byteswap this array type");
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diff changeset
1139 return NULL;
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diff changeset
1140 }
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diff changeset
1141 Py_INCREF(Py_None);
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diff changeset
1142 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1143 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1144
23832
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Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1145 PyDoc_STRVAR(byteswap_doc,
11522
cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter
Fred Drake <fdrake@acm.org>
parents: 11242
diff changeset
1146 "byteswap()\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1147 \n\
11522
cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter
Fred Drake <fdrake@acm.org>
parents: 11242
diff changeset
1148 Byteswap all items of the array. If the items in the array are not 1, 2,\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1149 4, or 8 bytes in size, RuntimeError is raised.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1150
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1151 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1152 array_reverse(arrayobject *self, PyObject *unused)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1153 {
61467
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diff changeset
1154 register Py_ssize_t itemsize = self->ob_descr->itemsize;
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diff changeset
1155 register char *p, *q;
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diff changeset
1156 /* little buffer to hold items while swapping */
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diff changeset
1157 char tmp[256]; /* 8 is probably enough -- but why skimp */
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diff changeset
1158 assert((size_t)itemsize <= sizeof(tmp));
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1159
61467
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diff changeset
1160 if (Py_SIZE(self) > 1) {
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diff changeset
1161 for (p = self->ob_item,
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parents: 58910
diff changeset
1162 q = self->ob_item + (Py_SIZE(self) - 1)*itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1163 p < q;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1164 p += itemsize, q -= itemsize) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1165 /* memory areas guaranteed disjoint, so memcpy
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1166 * is safe (& memmove may be slower).
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1167 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1168 memcpy(tmp, p, itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1169 memcpy(p, q, itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1170 memcpy(q, tmp, itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1171 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1172 }
14499
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
1173
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1174 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1175 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1176 }
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1177
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1178 PyDoc_STRVAR(reverse_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1179 "reverse()\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1180 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1181 Reverse the order of the items in the array.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1182
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1183
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1184 /* Forward */
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1185 static PyObject *array_frombytes(arrayobject *self, PyObject *args);
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1186
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1187 static PyObject *
13590
c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>)
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13447
diff changeset
1188 array_fromfile(arrayobject *self, PyObject *args)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1189 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1190 PyObject *f, *b, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1191 Py_ssize_t itemsize = self->ob_descr->itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1192 Py_ssize_t n, nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1193 int not_enough_bytes;
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1194
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1195 if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1196 return NULL;
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1197
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1198 nbytes = n * itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1199 if (nbytes < 0 || nbytes/itemsize != n) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1200 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1201 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1202 }
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1203
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1204 b = PyObject_CallMethod(f, "read", "n", nbytes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1205 if (b == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1206 return NULL;
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1207
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1208 if (!PyBytes_Check(b)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1209 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1210 "read() didn't return bytes");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1211 Py_DECREF(b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1212 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1213 }
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1214
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1215 not_enough_bytes = (PyBytes_GET_SIZE(b) != nbytes);
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1216
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1217 args = Py_BuildValue("(O)", b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1218 Py_DECREF(b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1219 if (args == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1220 return NULL;
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1221
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1222 res = array_frombytes(self, args);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1223 Py_DECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1224 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1225 return NULL;
52040
9fa7949641d3 Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 51776
diff changeset
1226
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1227 if (not_enough_bytes) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1228 PyErr_SetString(PyExc_EOFError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1229 "read() didn't return enough bytes");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1230 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1231 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1232 }
41859
e4e8b12770e4 Fixed array.fromfile(); removed references to PyFileObject in array.tofile().
Guido van Rossum <guido@python.org>
parents: 41788
diff changeset
1233
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1234 return res;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1235 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1236
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1237 PyDoc_STRVAR(fromfile_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1238 "fromfile(f, n)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1239 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1240 Read n objects from the file object f and append them to the end of the\n\
45083
c66da57b9488 Remove the deprecated array.read/write methods.
Georg Brandl <georg@python.org>
parents: 44351
diff changeset
1241 array.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1242
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1243
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1244 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1245 array_tofile(arrayobject *self, PyObject *f)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1246 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1247 Py_ssize_t nbytes = Py_SIZE(self) * self->ob_descr->itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1248 /* Write 64K blocks at a time */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1249 /* XXX Make the block size settable */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1250 int BLOCKSIZE = 64*1024;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1251 Py_ssize_t nblocks = (nbytes + BLOCKSIZE - 1) / BLOCKSIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1252 Py_ssize_t i;
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1253
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1254 if (Py_SIZE(self) == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1255 goto done;
41434
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1256
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1257 for (i = 0; i < nblocks; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1258 char* ptr = self->ob_item + i*BLOCKSIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1259 Py_ssize_t size = BLOCKSIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1260 PyObject *bytes, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1261 if (i*BLOCKSIZE + size > nbytes)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1262 size = nbytes - i*BLOCKSIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1263 bytes = PyBytes_FromStringAndSize(ptr, size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1264 if (bytes == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1265 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1266 res = PyObject_CallMethod(f, "write", "O", bytes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1267 Py_DECREF(bytes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1268 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1269 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1270 Py_DECREF(res); /* drop write result */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1271 }
41434
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1272
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1273 done:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1274 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1275 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1276 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1277
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1278 PyDoc_STRVAR(tofile_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1279 "tofile(f)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1280 \n\
45083
c66da57b9488 Remove the deprecated array.read/write methods.
Georg Brandl <georg@python.org>
parents: 44351
diff changeset
1281 Write all items (as machine values) to the file object f.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1282
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1283
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1284 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1285 array_fromlist(arrayobject *self, PyObject *list)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1286 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1287 Py_ssize_t n;
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1288
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1289 if (!PyList_Check(list)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1290 PyErr_SetString(PyExc_TypeError, "arg must be list");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1291 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1292 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1293 n = PyList_Size(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1294 if (n > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1295 Py_ssize_t i, old_size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1296 old_size = Py_SIZE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1297 if (array_resize(self, old_size + n) == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1298 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1299 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1300 PyObject *v = PyList_GetItem(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1301 if ((*self->ob_descr->setitem)(self,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1302 Py_SIZE(self) - n + i, v) != 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1303 array_resize(self, old_size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1304 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1305 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1306 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1307 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1308 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1309 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1310 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1311
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1312 PyDoc_STRVAR(fromlist_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1313 "fromlist(list)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1314 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1315 Append items to array from list.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1316
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1317 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1318 array_tolist(arrayobject *self, PyObject *unused)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1319 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1320 PyObject *list = PyList_New(Py_SIZE(self));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1321 Py_ssize_t i;
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1322
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1323 if (list == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1324 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1325 for (i = 0; i < Py_SIZE(self); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1326 PyObject *v = getarrayitem((PyObject *)self, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1327 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1328 Py_DECREF(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1329 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1330 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1331 PyList_SetItem(list, i, v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1332 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1333 return list;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1334 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1335
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1336 PyDoc_STRVAR(tolist_doc,
9360
4c23ae6c6e82 ACK! There was still an unescaped newline in a docstring.
Guido van Rossum <guido@python.org>
parents: 9343
diff changeset
1337 "tolist() -> list\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1338 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1339 Convert array to an ordinary list with the same items.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1340
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1341 static PyObject *
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1342 frombytes(arrayobject *self, Py_buffer *buffer)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1343 {
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1344 int itemsize = self->ob_descr->itemsize;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1345 Py_ssize_t n;
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1346 if (buffer->itemsize != 1) {
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1347 PyBuffer_Release(buffer);
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1348 PyErr_SetString(PyExc_TypeError, "string/buffer of bytes required.");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1349 return NULL;
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1350 }
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1351 n = buffer->len;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1352 if (n % itemsize != 0) {
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1353 PyBuffer_Release(buffer);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1354 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1355 "string length not a multiple of item size");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1356 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1357 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1358 n = n / itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1359 if (n > 0) {
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1360 Py_ssize_t old_size = Py_SIZE(self);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1361 if ((n > PY_SSIZE_T_MAX - old_size) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1362 ((old_size + n) > PY_SSIZE_T_MAX / itemsize)) {
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1363 PyBuffer_Release(buffer);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1364 return PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1365 }
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1366 if (array_resize(self, old_size + n) == -1) {
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1367 PyBuffer_Release(buffer);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1368 return NULL;
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1369 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1370 memcpy(self->ob_item + old_size * itemsize,
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1371 buffer->buf, n * itemsize);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1372 }
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1373 PyBuffer_Release(buffer);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1374 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1375 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1376 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1377
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1378 static PyObject *
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1379 array_fromstring(arrayobject *self, PyObject *args)
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1380 {
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1381 Py_buffer buffer;
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1382 if (PyErr_WarnEx(PyExc_DeprecationWarning,
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1383 "fromstring() is deprecated. Use frombytes() instead.", 2) != 0)
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1384 return NULL;
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1385 if (!PyArg_ParseTuple(args, "s*:fromstring", &buffer))
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1386 return NULL;
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1387 else
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1388 return frombytes(self, &buffer);
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1389 }
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1390
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1391 PyDoc_STRVAR(fromstring_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1392 "fromstring(string)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1393 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1394 Appends items from the string, interpreting it as an array of machine\n\
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1395 values, as if it had been read from a file using the fromfile() method).\n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1396 \n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1397 This method is deprecated. Use frombytes instead.");
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1398
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1399
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1400 static PyObject *
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1401 array_frombytes(arrayobject *self, PyObject *args)
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1402 {
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1403 Py_buffer buffer;
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1404 if (!PyArg_ParseTuple(args, "y*:frombytes", &buffer))
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1405 return NULL;
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1406 else
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1407 return frombytes(self, &buffer);
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1408 }
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1409
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1410 PyDoc_STRVAR(frombytes_doc,
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1411 "frombytes(bytestring)\n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1412 \n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1413 Appends items from the string, interpreting it as an array of machine\n\
42125
79c2656056f6 Make array.typecode a unicode string.
Walter Dörwald <walter@livinglogic.de>
parents: 42112
diff changeset
1414 values, as if it had been read from a file using the fromfile() method).");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1415
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1416
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1417 static PyObject *
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1418 array_tobytes(arrayobject *self, PyObject *unused)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1419 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1420 if (Py_SIZE(self) <= PY_SSIZE_T_MAX / self->ob_descr->itemsize) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1421 return PyBytes_FromStringAndSize(self->ob_item,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1422 Py_SIZE(self) * self->ob_descr->itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1423 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1424 return PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1425 }
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1426 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1427
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1428 PyDoc_STRVAR(tobytes_doc,
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1429 "tobytes() -> bytes\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1430 \n\
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1431 Convert the array to an array of machine values and return the bytes\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1432 representation.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1433
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1434
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1435 static PyObject *
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1436 array_tostring(arrayobject *self, PyObject *unused)
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1437 {
66105
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1438 if (PyErr_WarnEx(PyExc_DeprecationWarning,
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1439 "tostring() is deprecated. Use tobytes() instead.", 2) != 0)
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1440 return NULL;
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1441 return array_tobytes(self, unused);
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1442 }
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1443
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1444 PyDoc_STRVAR(tostring_doc,
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1445 "tostring() -> bytes\n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1446 \n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1447 Convert the array to an array of machine values and return the bytes\n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1448 representation.\n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1449 \n\
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1450 This method is deprecated. Use tobytes instead.");
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1451
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1452
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1453 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1454 array_fromunicode(arrayobject *self, PyObject *args)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1455 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1456 Py_UNICODE *ustr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1457 Py_ssize_t n;
66442
67882105dd65 Fix compilation warnings seen on Windows.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 66105
diff changeset
1458 Py_UNICODE typecode;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1459
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1460 if (!PyArg_ParseTuple(args, "u#:fromunicode", &ustr, &n))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1461 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1462 typecode = self->ob_descr->typecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1463 if ((typecode != 'u')) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1464 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1465 "fromunicode() may only be called on "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1466 "unicode type arrays");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1467 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1468 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1469 if (n > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1470 Py_ssize_t old_size = Py_SIZE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1471 if (array_resize(self, old_size + n) == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1472 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1473 memcpy(self->ob_item + old_size * sizeof(Py_UNICODE),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1474 ustr, n * sizeof(Py_UNICODE));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1475 }
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1476
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1477 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1478 return Py_None;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1479 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1480
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1481 PyDoc_STRVAR(fromunicode_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1482 "fromunicode(ustr)\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1483 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1484 Extends this array with data from the unicode string ustr.\n\
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
1485 The array must be a unicode type array; otherwise a ValueError\n\
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
1486 is raised. Use array.frombytes(ustr.decode(...)) to\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1487 append Unicode data to an array of some other type.");
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1488
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1489
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1490 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1491 array_tounicode(arrayobject *self, PyObject *unused)
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1492 {
66442
67882105dd65 Fix compilation warnings seen on Windows.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 66105
diff changeset
1493 Py_UNICODE typecode;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1494 typecode = self->ob_descr->typecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1495 if ((typecode != 'u')) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1496 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1497 "tounicode() may only be called on unicode type arrays");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1498 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1499 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
1500 return PyUnicode_FromUnicode((Py_UNICODE *) self->ob_item, Py_SIZE(self));
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1501 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1502
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1503 PyDoc_STRVAR(tounicode_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1504 "tounicode() -> unicode\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1505 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1506 Convert the array to a unicode string. The array must be\n\
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
1507 a unicode type array; otherwise a ValueError is raised. Use\n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1508 array.tostring().decode() to obtain a unicode string from\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1509 an array of some other type.");
22098
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Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1510
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1511
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1512
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1513 /*********************** Pickling support ************************/
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1514
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1515 enum machine_format_code {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1516 UNKNOWN_FORMAT = -1,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1517 /* UNKNOWN_FORMAT is used to indicate that the machine format for an
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1518 * array type code cannot be interpreted. When this occurs, a list of
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1519 * Python objects is used to represent the content of the array
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1520 * instead of using the memory content of the array directly. In that
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1521 * case, the array_reconstructor mechanism is bypassed completely, and
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1522 * the standard array constructor is used instead.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1523 *
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1524 * This is will most likely occur when the machine doesn't use IEEE
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1525 * floating-point numbers.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1526 */
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1527
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1528 UNSIGNED_INT8 = 0,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1529 SIGNED_INT8 = 1,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1530 UNSIGNED_INT16_LE = 2,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1531 UNSIGNED_INT16_BE = 3,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1532 SIGNED_INT16_LE = 4,
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parents: 58909
diff changeset
1533 SIGNED_INT16_BE = 5,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1534 UNSIGNED_INT32_LE = 6,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1535 UNSIGNED_INT32_BE = 7,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1536 SIGNED_INT32_LE = 8,
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parents: 58909
diff changeset
1537 SIGNED_INT32_BE = 9,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1538 UNSIGNED_INT64_LE = 10,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1539 UNSIGNED_INT64_BE = 11,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1540 SIGNED_INT64_LE = 12,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1541 SIGNED_INT64_BE = 13,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1542 IEEE_754_FLOAT_LE = 14,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1543 IEEE_754_FLOAT_BE = 15,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1544 IEEE_754_DOUBLE_LE = 16,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1545 IEEE_754_DOUBLE_BE = 17,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1546 UTF16_LE = 18,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1547 UTF16_BE = 19,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1548 UTF32_LE = 20,
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parents: 58909
diff changeset
1549 UTF32_BE = 21
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1550 };
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1551 #define MACHINE_FORMAT_CODE_MIN 0
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1552 #define MACHINE_FORMAT_CODE_MAX 21
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1553
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1554 static const struct mformatdescr {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1555 size_t size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1556 int is_signed;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1557 int is_big_endian;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1558 } mformat_descriptors[] = {
61466
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parents: 58909
diff changeset
1559 {1, 0, 0}, /* 0: UNSIGNED_INT8 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1560 {1, 1, 0}, /* 1: SIGNED_INT8 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1561 {2, 0, 0}, /* 2: UNSIGNED_INT16_LE */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1562 {2, 0, 1}, /* 3: UNSIGNED_INT16_BE */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1563 {2, 1, 0}, /* 4: SIGNED_INT16_LE */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1564 {2, 1, 1}, /* 5: SIGNED_INT16_BE */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1565 {4, 0, 0}, /* 6: UNSIGNED_INT32_LE */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1566 {4, 0, 1}, /* 7: UNSIGNED_INT32_BE */
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parents: 58909
diff changeset
1567 {4, 1, 0}, /* 8: SIGNED_INT32_LE */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1568 {4, 1, 1}, /* 9: SIGNED_INT32_BE */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1569 {8, 0, 0}, /* 10: UNSIGNED_INT64_LE */
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parents: 58909
diff changeset
1570 {8, 0, 1}, /* 11: UNSIGNED_INT64_BE */
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parents: 58909
diff changeset
1571 {8, 1, 0}, /* 12: SIGNED_INT64_LE */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1572 {8, 1, 1}, /* 13: SIGNED_INT64_BE */
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parents: 58909
diff changeset
1573 {4, 0, 0}, /* 14: IEEE_754_FLOAT_LE */
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parents: 58909
diff changeset
1574 {4, 0, 1}, /* 15: IEEE_754_FLOAT_BE */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1575 {8, 0, 0}, /* 16: IEEE_754_DOUBLE_LE */
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parents: 58909
diff changeset
1576 {8, 0, 1}, /* 17: IEEE_754_DOUBLE_BE */
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parents: 58909
diff changeset
1577 {4, 0, 0}, /* 18: UTF16_LE */
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parents: 58909
diff changeset
1578 {4, 0, 1}, /* 19: UTF16_BE */
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parents: 58909
diff changeset
1579 {8, 0, 0}, /* 20: UTF32_LE */
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parents: 58909
diff changeset
1580 {8, 0, 1} /* 21: UTF32_BE */
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1581 };
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1582
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1583
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1584 /*
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1585 * Internal: This function is used to find the machine format of a given
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1586 * array type code. This returns UNKNOWN_FORMAT when the machine format cannot
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1587 * be found.
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1588 */
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1589 static enum machine_format_code
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1590 typecode_to_mformat_code(int typecode)
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1591 {
55276
fc8fb8eff20e Use the proper autoconf macro for checking byte order.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55261
diff changeset
1592 #ifdef WORDS_BIGENDIAN
61466
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diff changeset
1593 const int is_big_endian = 1;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1594 #else
61466
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diff changeset
1595 const int is_big_endian = 0;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1596 #endif
61466
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diff changeset
1597 size_t intsize;
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parents: 58909
diff changeset
1598 int is_signed;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1599
61466
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diff changeset
1600 switch (typecode) {
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diff changeset
1601 case 'b':
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diff changeset
1602 return SIGNED_INT8;
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diff changeset
1603 case 'B':
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parents: 58909
diff changeset
1604 return UNSIGNED_INT8;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1605
61466
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diff changeset
1606 case 'u':
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1607 if (sizeof(Py_UNICODE) == 2) {
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parents: 58909
diff changeset
1608 return UTF16_LE + is_big_endian;
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parents: 58909
diff changeset
1609 }
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parents: 58909
diff changeset
1610 if (sizeof(Py_UNICODE) == 4) {
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parents: 58909
diff changeset
1611 return UTF32_LE + is_big_endian;
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parents: 58909
diff changeset
1612 }
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diff changeset
1613 return UNKNOWN_FORMAT;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1614
61466
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diff changeset
1615 case 'f':
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parents: 58909
diff changeset
1616 if (sizeof(float) == 4) {
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parents: 58909
diff changeset
1617 const float y = 16711938.0;
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parents: 58909
diff changeset
1618 if (memcmp(&y, "\x4b\x7f\x01\x02", 4) == 0)
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parents: 58909
diff changeset
1619 return IEEE_754_FLOAT_BE;
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parents: 58909
diff changeset
1620 if (memcmp(&y, "\x02\x01\x7f\x4b", 4) == 0)
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parents: 58909
diff changeset
1621 return IEEE_754_FLOAT_LE;
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parents: 58909
diff changeset
1622 }
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diff changeset
1623 return UNKNOWN_FORMAT;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1624
61466
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diff changeset
1625 case 'd':
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parents: 58909
diff changeset
1626 if (sizeof(double) == 8) {
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parents: 58909
diff changeset
1627 const double x = 9006104071832581.0;
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parents: 58909
diff changeset
1628 if (memcmp(&x, "\x43\x3f\xff\x01\x02\x03\x04\x05", 8) == 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1629 return IEEE_754_DOUBLE_BE;
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parents: 58909
diff changeset
1630 if (memcmp(&x, "\x05\x04\x03\x02\x01\xff\x3f\x43", 8) == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1631 return IEEE_754_DOUBLE_LE;
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parents: 58909
diff changeset
1632 }
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diff changeset
1633 return UNKNOWN_FORMAT;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
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diff changeset
1634
61466
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diff changeset
1635 /* Integers */
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parents: 58909
diff changeset
1636 case 'h':
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parents: 58909
diff changeset
1637 intsize = sizeof(short);
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diff changeset
1638 is_signed = 1;
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diff changeset
1639 break;
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diff changeset
1640 case 'H':
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diff changeset
1641 intsize = sizeof(short);
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diff changeset
1642 is_signed = 0;
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diff changeset
1643 break;
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diff changeset
1644 case 'i':
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diff changeset
1645 intsize = sizeof(int);
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diff changeset
1646 is_signed = 1;
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diff changeset
1647 break;
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diff changeset
1648 case 'I':
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diff changeset
1649 intsize = sizeof(int);
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diff changeset
1650 is_signed = 0;
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diff changeset
1651 break;
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diff changeset
1652 case 'l':
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parents: 58909
diff changeset
1653 intsize = sizeof(long);
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diff changeset
1654 is_signed = 1;
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diff changeset
1655 break;
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diff changeset
1656 case 'L':
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diff changeset
1657 intsize = sizeof(long);
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diff changeset
1658 is_signed = 0;
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diff changeset
1659 break;
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diff changeset
1660 default:
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diff changeset
1661 return UNKNOWN_FORMAT;
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diff changeset
1662 }
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1663 switch (intsize) {
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diff changeset
1664 case 2:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1665 return UNSIGNED_INT16_LE + is_big_endian + (2 * is_signed);
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parents: 58909
diff changeset
1666 case 4:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1667 return UNSIGNED_INT32_LE + is_big_endian + (2 * is_signed);
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parents: 58909
diff changeset
1668 case 8:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1669 return UNSIGNED_INT64_LE + is_big_endian + (2 * is_signed);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1670 default:
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parents: 58909
diff changeset
1671 return UNKNOWN_FORMAT;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1672 }
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1673 }
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1674
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1675 /* Forward declaration. */
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1676 static PyObject *array_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1677
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1678 /*
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1679 * Internal: This function wraps the array constructor--i.e., array_new()--to
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1680 * allow the creation of array objects from C code without having to deal
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1681 * directly the tuple argument of array_new(). The typecode argument is a
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1682 * Unicode character value, like 'i' or 'f' for example, representing an array
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1683 * type code. The items argument is a bytes or a list object from which
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1684 * contains the initial value of the array.
61466
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parents: 58909
diff changeset
1685 *
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1686 * On success, this functions returns the array object created. Otherwise,
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1687 * NULL is returned to indicate a failure.
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1688 */
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1689 static PyObject *
66105
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1690 make_array(PyTypeObject *arraytype, Py_UNICODE typecode, PyObject *items)
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1691 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1692 PyObject *new_args;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1693 PyObject *array_obj;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1694 PyObject *typecode_obj;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1695
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1696 assert(arraytype != NULL);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1697 assert(items != NULL);
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1698
66105
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1699 typecode_obj = PyUnicode_FromUnicode(&typecode, 1);
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1700 if (typecode_obj == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1701 return NULL;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1702
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1703 new_args = PyTuple_New(2);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1704 if (new_args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1705 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1706 Py_INCREF(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1707 PyTuple_SET_ITEM(new_args, 0, typecode_obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1708 PyTuple_SET_ITEM(new_args, 1, items);
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1709
61466
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parents: 58909
diff changeset
1710 array_obj = array_new(arraytype, new_args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1711 Py_DECREF(new_args);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1712 if (array_obj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1713 return NULL;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1714
61466
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parents: 58909
diff changeset
1715 return array_obj;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1716 }
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1717
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1718 /*
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1719 * This functions is a special constructor used when unpickling an array. It
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1720 * provides a portable way to rebuild an array from its memory representation.
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1721 */
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1722 static PyObject *
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1723 array_reconstructor(PyObject *self, PyObject *args)
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1724 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1725 PyTypeObject *arraytype;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1726 PyObject *items;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1727 PyObject *converted_items;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1728 PyObject *result;
66105
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1729 int typecode_int;
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1730 Py_UNICODE typecode;
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1731 enum machine_format_code mformat_code;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1732 struct arraydescr *descr;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1733
61466
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parents: 58909
diff changeset
1734 if (!PyArg_ParseTuple(args, "OCiO:array._array_reconstructor",
66105
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1735 &arraytype, &typecode_int, &mformat_code, &items))
61466
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parents: 58909
diff changeset
1736 return NULL;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1737
66105
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1738 typecode = (Py_UNICODE)typecode_int;
646dfdc48ca8 Issue #10359: Use Py_UNICODE for the typecode in array
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64355
diff changeset
1739
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1740 if (!PyType_Check(arraytype)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1741 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1742 "first argument must a type object, not %.200s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1743 Py_TYPE(arraytype)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1744 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1745 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1746 if (!PyType_IsSubtype(arraytype, &Arraytype)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1747 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1748 "%.200s is not a subtype of %.200s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1749 arraytype->tp_name, Arraytype.tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1750 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1751 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1752 for (descr = descriptors; descr->typecode != '\0'; descr++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1753 if (descr->typecode == typecode)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1754 break;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1755 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1756 if (descr->typecode == '\0') {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1757 PyErr_SetString(PyExc_ValueError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1758 "second argument must be a valid type code");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1759 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1760 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1761 if (mformat_code < MACHINE_FORMAT_CODE_MIN ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1762 mformat_code > MACHINE_FORMAT_CODE_MAX) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1763 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1764 "third argument must be a valid machine format code.");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1765 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1766 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1767 if (!PyBytes_Check(items)) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1768 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1769 "fourth argument should be bytes, not %.200s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1770 Py_TYPE(items)->tp_name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1771 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1772 }
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1773
61466
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parents: 58909
diff changeset
1774 /* Fast path: No decoding has to be done. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1775 if (mformat_code == typecode_to_mformat_code(typecode) ||
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1776 mformat_code == UNKNOWN_FORMAT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1777 return make_array(arraytype, typecode, items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1778 }
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1779
61466
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parents: 58909
diff changeset
1780 /* Slow path: Decode the byte string according to the given machine
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1781 * format code. This occurs when the computer unpickling the array
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1782 * object is architecturally different from the one that pickled the
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1783 * array.
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parents: 58909
diff changeset
1784 */
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parents: 58909
diff changeset
1785 if (Py_SIZE(items) % mformat_descriptors[mformat_code].size != 0) {
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parents: 58909
diff changeset
1786 PyErr_SetString(PyExc_ValueError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
1787 "string length not a multiple of item size");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 58909
diff changeset
1788 return NULL;
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parents: 58909
diff changeset
1789 }
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diff changeset
1790 switch (mformat_code) {
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diff changeset
1791 case IEEE_754_FLOAT_LE:
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diff changeset
1792 case IEEE_754_FLOAT_BE: {
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diff changeset
1793 int i;
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diff changeset
1794 int le = (mformat_code == IEEE_754_FLOAT_LE) ? 1 : 0;
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diff changeset
1795 Py_ssize_t itemcount = Py_SIZE(items) / 4;
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diff changeset
1796 const unsigned char *memstr =
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diff changeset
1797 (unsigned char *)PyBytes_AS_STRING(items);
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1798
61466
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diff changeset
1799 converted_items = PyList_New(itemcount);
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diff changeset
1800 if (converted_items == NULL)
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diff changeset
1801 return NULL;
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diff changeset
1802 for (i = 0; i < itemcount; i++) {
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diff changeset
1803 PyObject *pyfloat = PyFloat_FromDouble(
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diff changeset
1804 _PyFloat_Unpack4(&memstr[i * 4], le));
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parents: 58909
diff changeset
1805 if (pyfloat == NULL) {
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diff changeset
1806 Py_DECREF(converted_items);
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diff changeset
1807 return NULL;
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diff changeset
1808 }
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diff changeset
1809 PyList_SET_ITEM(converted_items, i, pyfloat);
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parents: 58909
diff changeset
1810 }
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diff changeset
1811 break;
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diff changeset
1812 }
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diff changeset
1813 case IEEE_754_DOUBLE_LE:
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diff changeset
1814 case IEEE_754_DOUBLE_BE: {
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diff changeset
1815 int i;
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diff changeset
1816 int le = (mformat_code == IEEE_754_DOUBLE_LE) ? 1 : 0;
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diff changeset
1817 Py_ssize_t itemcount = Py_SIZE(items) / 8;
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diff changeset
1818 const unsigned char *memstr =
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diff changeset
1819 (unsigned char *)PyBytes_AS_STRING(items);
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1820
61466
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diff changeset
1821 converted_items = PyList_New(itemcount);
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diff changeset
1822 if (converted_items == NULL)
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diff changeset
1823 return NULL;
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diff changeset
1824 for (i = 0; i < itemcount; i++) {
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diff changeset
1825 PyObject *pyfloat = PyFloat_FromDouble(
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diff changeset
1826 _PyFloat_Unpack8(&memstr[i * 8], le));
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diff changeset
1827 if (pyfloat == NULL) {
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diff changeset
1828 Py_DECREF(converted_items);
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diff changeset
1829 return NULL;
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diff changeset
1830 }
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diff changeset
1831 PyList_SET_ITEM(converted_items, i, pyfloat);
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diff changeset
1832 }
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1833 break;
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diff changeset
1834 }
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diff changeset
1835 case UTF16_LE:
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diff changeset
1836 case UTF16_BE: {
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diff changeset
1837 int byteorder = (mformat_code == UTF16_LE) ? -1 : 1;
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diff changeset
1838 converted_items = PyUnicode_DecodeUTF16(
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diff changeset
1839 PyBytes_AS_STRING(items), Py_SIZE(items),
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diff changeset
1840 "strict", &byteorder);
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diff changeset
1841 if (converted_items == NULL)
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diff changeset
1842 return NULL;
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diff changeset
1843 break;
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diff changeset
1844 }
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diff changeset
1845 case UTF32_LE:
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diff changeset
1846 case UTF32_BE: {
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diff changeset
1847 int byteorder = (mformat_code == UTF32_LE) ? -1 : 1;
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diff changeset
1848 converted_items = PyUnicode_DecodeUTF32(
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diff changeset
1849 PyBytes_AS_STRING(items), Py_SIZE(items),
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diff changeset
1850 "strict", &byteorder);
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diff changeset
1851 if (converted_items == NULL)
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diff changeset
1852 return NULL;
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diff changeset
1853 break;
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diff changeset
1854 }
55259
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Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1855
61466
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diff changeset
1856 case UNSIGNED_INT8:
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diff changeset
1857 case SIGNED_INT8:
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1858 case UNSIGNED_INT16_LE:
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diff changeset
1859 case UNSIGNED_INT16_BE:
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diff changeset
1860 case SIGNED_INT16_LE:
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diff changeset
1861 case SIGNED_INT16_BE:
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diff changeset
1862 case UNSIGNED_INT32_LE:
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diff changeset
1863 case UNSIGNED_INT32_BE:
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diff changeset
1864 case SIGNED_INT32_LE:
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diff changeset
1865 case SIGNED_INT32_BE:
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diff changeset
1866 case UNSIGNED_INT64_LE:
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diff changeset
1867 case UNSIGNED_INT64_BE:
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diff changeset
1868 case SIGNED_INT64_LE:
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diff changeset
1869 case SIGNED_INT64_BE: {
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diff changeset
1870 int i;
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diff changeset
1871 const struct mformatdescr mf_descr =
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diff changeset
1872 mformat_descriptors[mformat_code];
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diff changeset
1873 Py_ssize_t itemcount = Py_SIZE(items) / mf_descr.size;
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diff changeset
1874 const unsigned char *memstr =
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diff changeset
1875 (unsigned char *)PyBytes_AS_STRING(items);
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diff changeset
1876 struct arraydescr *descr;
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1877
61466
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diff changeset
1878 /* If possible, try to pack array's items using a data type
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diff changeset
1879 * that fits better. This may result in an array with narrower
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diff changeset
1880 * or wider elements.
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diff changeset
1881 *
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diff changeset
1882 * For example, if a 32-bit machine pickles a L-code array of
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diff changeset
1883 * unsigned longs, then the array will be unpickled by 64-bit
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diff changeset
1884 * machine as an I-code array of unsigned ints.
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diff changeset
1885 *
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diff changeset
1886 * XXX: Is it possible to write a unit test for this?
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diff changeset
1887 */
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diff changeset
1888 for (descr = descriptors; descr->typecode != '\0'; descr++) {
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diff changeset
1889 if (descr->is_integer_type &&
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diff changeset
1890 descr->itemsize == mf_descr.size &&
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diff changeset
1891 descr->is_signed == mf_descr.is_signed)
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diff changeset
1892 typecode = descr->typecode;
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diff changeset
1893 }
55259
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Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
1894
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diff changeset
1895 converted_items = PyList_New(itemcount);
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diff changeset
1896 if (converted_items == NULL)
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1897 return NULL;
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1898 for (i = 0; i < itemcount; i++) {
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diff changeset
1899 PyObject *pylong;
55259
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parents: 55204
diff changeset
1900
61466
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diff changeset
1901 pylong = _PyLong_FromByteArray(
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diff changeset
1902 &memstr[i * mf_descr.size],
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diff changeset
1903 mf_descr.size,
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diff changeset
1904 !mf_descr.is_big_endian,
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diff changeset
1905 mf_descr.is_signed);
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1906 if (pylong == NULL) {
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diff changeset
1907 Py_DECREF(converted_items);
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diff changeset
1908 return NULL;
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1909 }
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1910 PyList_SET_ITEM(converted_items, i, pylong);
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diff changeset
1911 }
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1912 break;
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1913 }
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1914 case UNKNOWN_FORMAT:
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1915 /* Impossible, but needed to shut up GCC about the unhandled
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diff changeset
1916 * enumeration value.
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1917 */
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diff changeset
1918 default:
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1919 PyErr_BadArgument();
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1920 return NULL;
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1921 }
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1922
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1923 result = make_array(arraytype, typecode, converted_items);
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1924 Py_DECREF(converted_items);
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1925 return result;
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1926 }
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1927
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1928 static PyObject *
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1929 array_reduce_ex(arrayobject *array, PyObject *value)
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1930 {
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1931 PyObject *dict;
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1932 PyObject *result;
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1933 PyObject *array_str;
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1934 int typecode = array->ob_descr->typecode;
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1935 int mformat_code;
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1936 static PyObject *array_reconstructor = NULL;
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1937 long protocol;
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1938
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1939 if (array_reconstructor == NULL) {
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1940 PyObject *array_module = PyImport_ImportModule("array");
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1941 if (array_module == NULL)
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1942 return NULL;
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1943 array_reconstructor = PyObject_GetAttrString(
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1944 array_module,
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1945 "_array_reconstructor");
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1946 Py_DECREF(array_module);
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1947 if (array_reconstructor == NULL)
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1948 return NULL;
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1949 }
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1950
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1951 if (!PyLong_Check(value)) {
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1952 PyErr_SetString(PyExc_TypeError,
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1953 "__reduce_ex__ argument should an integer");
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1954 return NULL;
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1955 }
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1956 protocol = PyLong_AsLong(value);
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1957 if (protocol == -1 && PyErr_Occurred())
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1958 return NULL;
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1959
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1960 dict = PyObject_GetAttrString((PyObject *)array, "__dict__");
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1961 if (dict == NULL) {
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1962 if (!PyErr_ExceptionMatches(PyExc_AttributeError))
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1963 return NULL;
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1964 PyErr_Clear();
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1965 dict = Py_None;
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1966 Py_INCREF(dict);
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1967 }
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1968
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1969 mformat_code = typecode_to_mformat_code(typecode);
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1970 if (mformat_code == UNKNOWN_FORMAT || protocol < 3) {
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1971 /* Convert the array to a list if we got something weird
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1972 * (e.g., non-IEEE floats), or we are pickling the array using
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1973 * a Python 2.x compatible protocol.
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1974 *
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1975 * It is necessary to use a list representation for Python 2.x
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1976 * compatible pickle protocol, since Python 2's str objects
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1977 * are unpickled as unicode by Python 3. Thus it is impossible
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1978 * to make arrays unpicklable by Python 3 by using their memory
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1979 * representation, unless we resort to ugly hacks such as
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1980 * coercing unicode objects to bytes in array_reconstructor.
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1981 */
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1982 PyObject *list;
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1983 list = array_tolist(array, NULL);
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1984 if (list == NULL) {
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1985 Py_DECREF(dict);
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1986 return NULL;
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1987 }
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1988 result = Py_BuildValue(
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1989 "O(CO)O", Py_TYPE(array), typecode, list, dict);
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1990 Py_DECREF(list);
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1991 Py_DECREF(dict);
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1992 return result;
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1993 }
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1994
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1995 array_str = array_tobytes(array, NULL);
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1996 if (array_str == NULL) {
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1997 Py_DECREF(dict);
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1998 return NULL;
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1999 }
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2000 result = Py_BuildValue(
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2001 "O(OCiN)O", array_reconstructor, Py_TYPE(array), typecode,
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2002 mformat_code, array_str, dict);
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2003 Py_DECREF(dict);
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2004 return result;
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2005 }
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2006
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2007 PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
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2008
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2009 static PyObject *
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2010 array_get_typecode(arrayobject *a, void *closure)
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2011 {
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2012 Py_UNICODE tc = a->ob_descr->typecode;
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2013 return PyUnicode_FromUnicode(&tc, 1);
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2014 }
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2015
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2016 static PyObject *
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2017 array_get_itemsize(arrayobject *a, void *closure)
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2018 {
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2019 return PyLong_FromLong((long)a->ob_descr->itemsize);
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2020 }
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2021
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2022 static PyGetSetDef array_getsets [] = {
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2023 {"typecode", (getter) array_get_typecode, NULL,
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2024 "the typecode character used to create the array"},
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2025 {"itemsize", (getter) array_get_itemsize, NULL,
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2026 "the size, in bytes, of one array item"},
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2027 {NULL}
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2028 };
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2029
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2030 static PyMethodDef array_methods[] = {
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2031 {"append", (PyCFunction)array_append, METH_O,
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2032 append_doc},
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2033 {"buffer_info", (PyCFunction)array_buffer_info, METH_NOARGS,
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2034 buffer_info_doc},
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2035 {"byteswap", (PyCFunction)array_byteswap, METH_NOARGS,
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2036 byteswap_doc},
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2037 {"__copy__", (PyCFunction)array_copy, METH_NOARGS,
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2038 copy_doc},
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2039 {"count", (PyCFunction)array_count, METH_O,
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2040 count_doc},
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2041 {"__deepcopy__",(PyCFunction)array_copy, METH_O,
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2042 copy_doc},
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2043 {"extend", (PyCFunction)array_extend, METH_O,
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2044 extend_doc},
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2045 {"fromfile", (PyCFunction)array_fromfile, METH_VARARGS,
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2046 fromfile_doc},
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2047 {"fromlist", (PyCFunction)array_fromlist, METH_O,
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diff changeset
2048 fromlist_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2049 {"fromstring", (PyCFunction)array_fromstring, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2050 fromstring_doc},
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
2051 {"frombytes", (PyCFunction)array_frombytes, METH_VARARGS,
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
2052 frombytes_doc},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2053 {"fromunicode", (PyCFunction)array_fromunicode, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2054 fromunicode_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2055 {"index", (PyCFunction)array_index, METH_O,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2056 index_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2057 {"insert", (PyCFunction)array_insert, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2058 insert_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2059 {"pop", (PyCFunction)array_pop, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2060 pop_doc},
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
2061 {"__reduce_ex__", (PyCFunction)array_reduce_ex, METH_O,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58909
diff changeset
2062 reduce_doc},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2063 {"remove", (PyCFunction)array_remove, METH_O,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2064 remove_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2065 {"reverse", (PyCFunction)array_reverse, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2066 reverse_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2067 /* {"sort", (PyCFunction)array_sort, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2068 sort_doc},*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2069 {"tofile", (PyCFunction)array_tofile, METH_O,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2070 tofile_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2071 {"tolist", (PyCFunction)array_tolist, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2072 tolist_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2073 {"tostring", (PyCFunction)array_tostring, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2074 tostring_doc},
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
2075 {"tobytes", (PyCFunction)array_tobytes, METH_NOARGS,
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
2076 tobytes_doc},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2077 {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2078 tounicode_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2079 {NULL, NULL} /* sentinel */
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2080 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2081
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
2082 static PyObject *
13590
c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>)
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13447
diff changeset
2083 array_repr(arrayobject *a)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2084 {
66442
67882105dd65 Fix compilation warnings seen on Windows.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 66105
diff changeset
2085 Py_UNICODE typecode;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2086 PyObject *s, *v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2087 Py_ssize_t len;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2088
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2089 len = Py_SIZE(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2090 typecode = a->ob_descr->typecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2091 if (len == 0) {
66442
67882105dd65 Fix compilation warnings seen on Windows.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 66105
diff changeset
2092 return PyUnicode_FromFormat("array('%c')", (int)typecode);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2093 }
70710
8587305b259b Revert a reversed comparison order introduced in r70695.
Brett Cannon <brett@python.org>
parents: 70695
diff changeset
2094 if (typecode == 'u')
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2095 v = array_tounicode(a, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2096 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2097 v = array_tolist(a, NULL);
28742
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
2098
66442
67882105dd65 Fix compilation warnings seen on Windows.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 66105
diff changeset
2099 s = PyUnicode_FromFormat("array('%c', %R)", (int)typecode, v);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2100 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2101 return s;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2102 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2103
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2104 static PyObject*
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2105 array_subscr(arrayobject* self, PyObject* item)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2106 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2107 if (PyIndex_Check(item)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2108 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2109 if (i==-1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2110 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2111 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2112 if (i < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2113 i += Py_SIZE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2114 return array_item(self, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2115 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2116 else if (PySlice_Check(item)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2117 Py_ssize_t start, stop, step, slicelength, cur, i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2118 PyObject* result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2119 arrayobject* ar;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2120 int itemsize = self->ob_descr->itemsize;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2121
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 66442
diff changeset
2122 if (PySlice_GetIndicesEx(item, Py_SIZE(self),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2123 &start, &stop, &step, &slicelength) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2124 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2125 }
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2126
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2127 if (slicelength <= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2128 return newarrayobject(&Arraytype, 0, self->ob_descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2129 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2130 else if (step == 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2131 PyObject *result = newarrayobject(&Arraytype,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2132 slicelength, self->ob_descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2133 if (result == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2134 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2135 memcpy(((arrayobject *)result)->ob_item,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2136 self->ob_item + start * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2137 slicelength * itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2138 return result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2139 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2140 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2141 result = newarrayobject(&Arraytype, slicelength, self->ob_descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2142 if (!result) return NULL;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2143
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2144 ar = (arrayobject*)result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2145
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2146 for (cur = start, i = 0; i < slicelength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2147 cur += step, i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2148 memcpy(ar->ob_item + i*itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2149 self->ob_item + cur*itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2150 itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2151 }
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2152
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2153 return result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2154 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2155 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2156 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2157 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2158 "array indices must be integers");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2159 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2160 }
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2161 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2162
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2163 static int
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2164 array_ass_subscr(arrayobject* self, PyObject* item, PyObject* value)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2165 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2166 Py_ssize_t start, stop, step, slicelength, needed;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2167 arrayobject* other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2168 int itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2169
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2170 if (PyIndex_Check(item)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2171 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
42954
27f0289b6835 Merge the trunk changes in. Breaks socket.ssl for now.
Thomas Wouters <thomas@python.org>
parents: 42856
diff changeset
2172
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2173 if (i == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2174 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2175 if (i < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2176 i += Py_SIZE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2177 if (i < 0 || i >= Py_SIZE(self)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2178 PyErr_SetString(PyExc_IndexError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2179 "array assignment index out of range");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2180 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2181 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2182 if (value == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2183 /* Fall through to slice assignment */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2184 start = i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2185 stop = i + 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2186 step = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2187 slicelength = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2188 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2189 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2190 return (*self->ob_descr->setitem)(self, i, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2191 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2192 else if (PySlice_Check(item)) {
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 66442
diff changeset
2193 if (PySlice_GetIndicesEx(item,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2194 Py_SIZE(self), &start, &stop,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2195 &step, &slicelength) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2196 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2197 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2198 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2199 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2200 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2201 "array indices must be integer");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2202 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2203 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2204 if (value == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2205 other = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2206 needed = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2207 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2208 else if (array_Check(value)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2209 other = (arrayobject *)value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2210 needed = Py_SIZE(other);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2211 if (self == other) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2212 /* Special case "self[i:j] = self" -- copy self first */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2213 int ret;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2214 value = array_slice(other, 0, needed);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2215 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2216 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2217 ret = array_ass_subscr(self, item, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2218 Py_DECREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2219 return ret;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2220 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2221 if (other->ob_descr != self->ob_descr) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2222 PyErr_BadArgument();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2223 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2224 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2225 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2226 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2227 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2228 "can only assign array (not \"%.200s\") to array slice",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2229 Py_TYPE(value)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2230 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2231 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2232 itemsize = self->ob_descr->itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2233 /* for 'a[2:1] = ...', the insertion point is 'start', not 'stop' */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2234 if ((step > 0 && stop < start) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2235 (step < 0 && stop > start))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2236 stop = start;
55603
12fec73cb8e5 Merged revisions 73862,73872 via svnmerge from
Georg Brandl <georg@python.org>
parents: 55602
diff changeset
2237
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2238 /* Issue #4509: If the array has exported buffers and the slice
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2239 assignment would change the size of the array, fail early to make
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2240 sure we don't modify it. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2241 if ((needed == 0 || slicelength != needed) && self->ob_exports > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2242 PyErr_SetString(PyExc_BufferError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2243 "cannot resize an array that is exporting buffers");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2244 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2245 }
55603
12fec73cb8e5 Merged revisions 73862,73872 via svnmerge from
Georg Brandl <georg@python.org>
parents: 55602
diff changeset
2246
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2247 if (step == 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2248 if (slicelength > needed) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2249 memmove(self->ob_item + (start + needed) * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2250 self->ob_item + stop * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2251 (Py_SIZE(self) - stop) * itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2252 if (array_resize(self, Py_SIZE(self) +
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2253 needed - slicelength) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2254 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2255 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2256 else if (slicelength < needed) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2257 if (array_resize(self, Py_SIZE(self) +
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2258 needed - slicelength) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2259 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2260 memmove(self->ob_item + (start + needed) * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2261 self->ob_item + stop * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2262 (Py_SIZE(self) - start - needed) * itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2263 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2264 if (needed > 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2265 memcpy(self->ob_item + start * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2266 other->ob_item, needed * itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2267 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2268 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2269 else if (needed == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2270 /* Delete slice */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2271 size_t cur;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2272 Py_ssize_t i;
58564
6de64896c6f8 Merged revisions 77823 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 55603
diff changeset
2273
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2274 if (step < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2275 stop = start + 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2276 start = stop + step * (slicelength - 1) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2277 step = -step;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2278 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2279 for (cur = start, i = 0; i < slicelength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2280 cur += step, i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2281 Py_ssize_t lim = step - 1;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2282
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2283 if (cur + step >= (size_t)Py_SIZE(self))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2284 lim = Py_SIZE(self) - cur - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2285 memmove(self->ob_item + (cur - i) * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2286 self->ob_item + (cur + 1) * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2287 lim * itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2288 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2289 cur = start + slicelength * step;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2290 if (cur < (size_t)Py_SIZE(self)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2291 memmove(self->ob_item + (cur-slicelength) * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2292 self->ob_item + cur * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2293 (Py_SIZE(self) - cur) * itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2294 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2295 if (array_resize(self, Py_SIZE(self) - slicelength) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2296 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2297 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2298 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2299 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2300 Py_ssize_t cur, i;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2301
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2302 if (needed != slicelength) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2303 PyErr_Format(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2304 "attempt to assign array of size %zd "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2305 "to extended slice of size %zd",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2306 needed, slicelength);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2307 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2308 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2309 for (cur = start, i = 0; i < slicelength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2310 cur += step, i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2311 memcpy(self->ob_item + cur * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2312 other->ob_item + i * itemsize,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2313 itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2314 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2315 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2316 }
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2317 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2318
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2319 static PyMappingMethods array_as_mapping = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2320 (lenfunc)array_length,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2321 (binaryfunc)array_subscr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2322 (objobjargproc)array_ass_subscr
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2323 };
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
2324
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
2325 static const void *emptybuf = "";
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
2326
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2327
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2328 static int
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43100
diff changeset
2329 array_buffer_getbuf(arrayobject *self, Py_buffer *view, int flags)
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2330 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2331 if (view==NULL) goto finish;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2332
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2333 view->buf = (void *)self->ob_item;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2334 view->obj = (PyObject*)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2335 Py_INCREF(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2336 if (view->buf == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2337 view->buf = (void *)emptybuf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2338 view->len = (Py_SIZE(self)) * self->ob_descr->itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2339 view->readonly = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2340 view->ndim = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2341 view->itemsize = self->ob_descr->itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2342 view->suboffsets = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2343 view->shape = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2344 if ((flags & PyBUF_ND)==PyBUF_ND) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2345 view->shape = &((Py_SIZE(self)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2346 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2347 view->strides = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2348 if ((flags & PyBUF_STRIDES)==PyBUF_STRIDES)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2349 view->strides = &(view->itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2350 view->format = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2351 view->internal = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2352 if ((flags & PyBUF_FORMAT) == PyBUF_FORMAT) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2353 view->format = self->ob_descr->formats;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2354 #ifdef Py_UNICODE_WIDE
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2355 if (self->ob_descr->typecode == 'u') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2356 view->format = "w";
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2357 }
43555
8e72dacf7f3a Eliminate use of PyBUF_CHARACTER flag which is no longer part of the buffer interface. Fix up array module to export the correct format for wide-builds.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43554
diff changeset
2358 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2359 }
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2360
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2361 finish:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2362 self->ob_exports++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2363 return 0;
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2364 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2365
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42540
diff changeset
2366 static void
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43100
diff changeset
2367 array_buffer_relbuf(arrayobject *self, Py_buffer *view)
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2368 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2369 self->ob_exports--;
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2370 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2371
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
2372 static PySequenceMethods array_as_sequence = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2373 (lenfunc)array_length, /*sq_length*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2374 (binaryfunc)array_concat, /*sq_concat*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2375 (ssizeargfunc)array_repeat, /*sq_repeat*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2376 (ssizeargfunc)array_item, /*sq_item*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2377 0, /*sq_slice*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2378 (ssizeobjargproc)array_ass_item, /*sq_ass_item*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2379 0, /*sq_ass_slice*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2380 (objobjproc)array_contains, /*sq_contains*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2381 (binaryfunc)array_inplace_concat, /*sq_inplace_concat*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2382 (ssizeargfunc)array_inplace_repeat /*sq_inplace_repeat*/
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2383 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2384
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2385 static PyBufferProcs array_as_buffer = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2386 (getbufferproc)array_buffer_getbuf,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2387 (releasebufferproc)array_buffer_relbuf
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2388 };
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
2389
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
2390 static PyObject *
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2391 array_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2392 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2393 int c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2394 PyObject *initial = NULL, *it = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2395 struct arraydescr *descr;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2396
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2397 if (type == &Arraytype && !_PyArg_NoKeywords("array.array()", kwds))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2398 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2399
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2400 if (!PyArg_ParseTuple(args, "C|O:array", &c, &initial))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2401 return NULL;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2402
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2403 if (!(initial == NULL || PyList_Check(initial)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2404 || PyByteArray_Check(initial)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2405 || PyBytes_Check(initial)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2406 || PyTuple_Check(initial)
67537
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2407 || ((c=='u') && PyUnicode_Check(initial))
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2408 || (array_Check(initial)
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2409 && c == ((arrayobject*)initial)->ob_descr->typecode))) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2410 it = PyObject_GetIter(initial);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2411 if (it == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2412 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2413 /* We set initial to NULL so that the subsequent code
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2414 will create an empty array of the appropriate type
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2415 and afterwards we can use array_iter_extend to populate
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2416 the array.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2417 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2418 initial = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2419 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2420 for (descr = descriptors; descr->typecode != '\0'; descr++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2421 if (descr->typecode == c) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2422 PyObject *a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2423 Py_ssize_t len;
28760
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
2424
67537
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2425 if (initial == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2426 len = 0;
67537
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2427 else if (PyList_Check(initial))
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2428 len = PyList_GET_SIZE(initial);
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2429 else if (PyTuple_Check(initial) || array_Check(initial))
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2430 len = Py_SIZE(initial);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2431 else
67537
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2432 len = 0;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2433
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2434 a = newarrayobject(type, len, descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2435 if (a == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2436 return NULL;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2437
67537
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2438 if (len > 0 && !array_Check(initial)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2439 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2440 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2441 PyObject *v =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2442 PySequence_GetItem(initial, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2443 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2444 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2445 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2446 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2447 if (setarrayitem(a, i, v) != 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2448 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2449 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2450 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2451 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2452 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2453 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2454 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2455 else if (initial != NULL && (PyByteArray_Check(initial) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2456 PyBytes_Check(initial))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2457 PyObject *t_initial, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2458 t_initial = PyTuple_Pack(1, initial);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2459 if (t_initial == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2460 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2461 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2462 }
64355
fa8b57f987c5 Issue #8990: array.fromstring() and array.tostring() get renamed to
Antoine Pitrou <solipsis@pitrou.net>
parents: 63764
diff changeset
2463 v = array_frombytes((arrayobject *)a,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2464 t_initial);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2465 Py_DECREF(t_initial);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2466 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2467 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2468 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2469 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2470 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2471 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2472 else if (initial != NULL && PyUnicode_Check(initial)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2473 Py_ssize_t n = PyUnicode_GET_DATA_SIZE(initial);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2474 if (n > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2475 arrayobject *self = (arrayobject *)a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2476 char *item = self->ob_item;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2477 item = (char *)PyMem_Realloc(item, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2478 if (item == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2479 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2480 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2481 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2482 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2483 self->ob_item = item;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2484 Py_SIZE(self) = n / sizeof(Py_UNICODE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2485 memcpy(item, PyUnicode_AS_DATA(initial), n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2486 self->allocated = Py_SIZE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2487 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2488 }
67537
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2489 else if (initial != NULL && array_Check(initial)) {
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2490 arrayobject *self = (arrayobject *)a;
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2491 arrayobject *other = (arrayobject *)initial;
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2492 memcpy(self->ob_item, other->ob_item, len * other->ob_descr->itemsize);
2581a17b29af Issue #5109: array.array constructor will now use fast code when
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 66688
diff changeset
2493 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2494 if (it != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2495 if (array_iter_extend((arrayobject *)a, it) == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2496 Py_DECREF(it);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2497 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2498 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2499 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2500 Py_DECREF(it);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2501 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2502 return a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2503 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2504 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2505 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2506 "bad typecode (must be b, B, u, h, H, i, I, l, L, f or d)");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2507 return NULL;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2508 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2509
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2510
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
2511 PyDoc_STRVAR(module_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2512 "This module defines an object type which can efficiently represent\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2513 an array of basic values: characters, integers, floating point\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2514 numbers. Arrays are sequence types and behave very much like lists,\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2515 except that the type of objects stored in them is constrained. The\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2516 type is specified at object creation time by using a type code, which\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2517 is a single character. The following type codes are defined:\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2518 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2519 Type code C Type Minimum size in bytes \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2520 'b' signed integer 1 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2521 'B' unsigned integer 1 \n\
43548
fb9d5306f4c7 Fix Issue 1268 with the array module by backing-out the 'w' addition. All builds will continue to use 'u' for unicode.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43423
diff changeset
2522 'u' Unicode character 2 (see note) \n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2523 'h' signed integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2524 'H' unsigned integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2525 'i' signed integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2526 'I' unsigned integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2527 'l' signed integer 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2528 'L' unsigned integer 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2529 'f' floating point 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2530 'd' floating point 8 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2531 \n\
43548
fb9d5306f4c7 Fix Issue 1268 with the array module by backing-out the 'w' addition. All builds will continue to use 'u' for unicode.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43423
diff changeset
2532 NOTE: The 'u' typecode corresponds to Python's unicode character. On \n\
fb9d5306f4c7 Fix Issue 1268 with the array module by backing-out the 'w' addition. All builds will continue to use 'u' for unicode.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43423
diff changeset
2533 narrow builds this is 2-bytes on wide builds this is 4-bytes.\n\
fb9d5306f4c7 Fix Issue 1268 with the array module by backing-out the 'w' addition. All builds will continue to use 'u' for unicode.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43423
diff changeset
2534 \n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2535 The constructor is:\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2536 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2537 array(typecode [, initializer]) -- create a new array\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
2538 ");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2539
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
2540 PyDoc_STRVAR(arraytype_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2541 "array(typecode [, initializer]) -> array\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2542 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2543 Return a new array whose items are restricted by typecode, and\n\
33316
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
2544 initialized from the optional initializer value, which must be a list,\n\
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
2545 string. or iterable over elements of the appropriate type.\n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2546 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2547 Arrays represent basic values and behave very much like lists, except\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2548 the type of objects stored in them is constrained.\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2549 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2550 Methods:\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2551 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2552 append() -- append a new item to the end of the array\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2553 buffer_info() -- return information giving the current memory info\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2554 byteswap() -- byteswap all the items of the array\n\
51776
d06a3ebf306f Merged revisions 69846 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 51271
diff changeset
2555 count() -- return number of occurrences of an object\n\
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
2556 extend() -- extend array by appending multiple elements from an iterable\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2557 fromfile() -- read items from a file object\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2558 fromlist() -- append items from the list\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2559 fromstring() -- append items from the string\n\
51776
d06a3ebf306f Merged revisions 69846 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 51271
diff changeset
2560 index() -- return index of first occurrence of an object\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2561 insert() -- insert a new item into the array at a provided position\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
2562 pop() -- remove and return item (default last)\n\
51776
d06a3ebf306f Merged revisions 69846 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 51271
diff changeset
2563 remove() -- remove first occurrence of an object\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2564 reverse() -- reverse the order of the items in the array\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2565 tofile() -- write all items to a file object\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2566 tolist() -- return the array converted to an ordinary list\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2567 tostring() -- return the array converted to a string\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2568 \n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2569 Attributes:\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2570 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2571 typecode -- the typecode character used to create the array\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2572 itemsize -- the length in bytes of one array item\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
2573 ");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2574
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2575 static PyObject *array_iter(arrayobject *ao);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2576
24283
c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone.
Tim Peters <tim.peters@gmail.com>
parents: 24280
diff changeset
2577 static PyTypeObject Arraytype = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2578 PyVarObject_HEAD_INIT(NULL, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2579 "array.array",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2580 sizeof(arrayobject),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2581 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2582 (destructor)array_dealloc, /* tp_dealloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2583 0, /* tp_print */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2584 0, /* tp_getattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2585 0, /* tp_setattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2586 0, /* tp_reserved */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2587 (reprfunc)array_repr, /* tp_repr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2588 0, /* tp_as_number*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2589 &array_as_sequence, /* tp_as_sequence*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2590 &array_as_mapping, /* tp_as_mapping*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2591 0, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2592 0, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2593 0, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2594 PyObject_GenericGetAttr, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2595 0, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2596 &array_as_buffer, /* tp_as_buffer*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2597 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2598 arraytype_doc, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2599 0, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2600 0, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2601 array_richcompare, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2602 offsetof(arrayobject, weakreflist), /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2603 (getiterfunc)array_iter, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2604 0, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2605 array_methods, /* tp_methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2606 0, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2607 array_getsets, /* tp_getset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2608 0, /* tp_base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2609 0, /* tp_dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2610 0, /* tp_descr_get */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2611 0, /* tp_descr_set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2612 0, /* tp_dictoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2613 0, /* tp_init */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2614 PyType_GenericAlloc, /* tp_alloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2615 array_new, /* tp_new */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2616 PyObject_Del, /* tp_free */
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2617 };
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2618
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2619
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2620 /*********************** Array Iterator **************************/
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2621
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2622 typedef struct {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2623 PyObject_HEAD
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2624 Py_ssize_t index;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2625 arrayobject *ao;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2626 PyObject * (*getitem)(struct arrayobject *, Py_ssize_t);
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2627 } arrayiterobject;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2628
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2629 static PyTypeObject PyArrayIter_Type;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2630
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2631 #define PyArrayIter_Check(op) PyObject_TypeCheck(op, &PyArrayIter_Type)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2632
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2633 static PyObject *
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2634 array_iter(arrayobject *ao)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2635 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2636 arrayiterobject *it;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2637
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2638 if (!array_Check(ao)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2639 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2640 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2641 }
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2642
61467
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parents: 58910
diff changeset
2643 it = PyObject_GC_New(arrayiterobject, &PyArrayIter_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2644 if (it == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2645 return NULL;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2646
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2647 Py_INCREF(ao);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2648 it->ao = ao;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2649 it->index = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2650 it->getitem = ao->ob_descr->getitem;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2651 PyObject_GC_Track(it);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2652 return (PyObject *)it;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2653 }
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Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2654
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2655 static PyObject *
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2656 arrayiter_next(arrayiterobject *it)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2657 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2658 assert(PyArrayIter_Check(it));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2659 if (it->index < Py_SIZE(it->ao))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2660 return (*it->getitem)(it->ao, it->index++);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2661 return NULL;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2662 }
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Raymond Hettinger <python@rcn.com>
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diff changeset
2663
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2664 static void
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2665 arrayiter_dealloc(arrayiterobject *it)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2666 {
61467
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diff changeset
2667 PyObject_GC_UnTrack(it);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2668 Py_XDECREF(it->ao);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2669 PyObject_GC_Del(it);
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2670 }
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Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2671
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
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diff changeset
2672 static int
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2673 arrayiter_traverse(arrayiterobject *it, visitproc visit, void *arg)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2674 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2675 Py_VISIT(it->ao);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2676 return 0;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2677 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2678
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2679 static PyTypeObject PyArrayIter_Type = {
61467
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diff changeset
2680 PyVarObject_HEAD_INIT(NULL, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2681 "arrayiterator", /* tp_name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2682 sizeof(arrayiterobject), /* tp_basicsize */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2683 0, /* tp_itemsize */
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diff changeset
2684 /* methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2685 (destructor)arrayiter_dealloc, /* tp_dealloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2686 0, /* tp_print */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2687 0, /* tp_getattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2688 0, /* tp_setattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2689 0, /* tp_reserved */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2690 0, /* tp_repr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2691 0, /* tp_as_number */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2692 0, /* tp_as_sequence */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2693 0, /* tp_as_mapping */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2694 0, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2695 0, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2696 0, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2697 PyObject_GenericGetAttr, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2698 0, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2699 0, /* tp_as_buffer */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2700 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2701 0, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2702 (traverseproc)arrayiter_traverse, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2703 0, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2704 0, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2705 0, /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2706 PyObject_SelfIter, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2707 (iternextfunc)arrayiter_next, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2708 0, /* tp_methods */
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2709 };
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2710
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2711
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2712 /*********************** Install Module **************************/
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2713
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2714 /* No functions in array module. */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2715 static PyMethodDef a_methods[] = {
55259
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
2716 {"_array_reconstructor", array_reconstructor, METH_VARARGS,
edc714ffe6cc Issue #2389: Implement a portable mechanism for pickling array objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55204
diff changeset
2717 PyDoc_STR("Internal. Used for pickling support.")},
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2718 {NULL, NULL, 0, NULL} /* Sentinel */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2719 };
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2720
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47500
diff changeset
2721 static struct PyModuleDef arraymodule = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2722 PyModuleDef_HEAD_INIT,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2723 "array",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2724 module_doc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2725 -1,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2726 a_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2727 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2728 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2729 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2730 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47500
diff changeset
2731 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47500
diff changeset
2732
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2733
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 24424
diff changeset
2734 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47500
diff changeset
2735 PyInit_array(void)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2736 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2737 PyObject *m;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2738 PyObject *typecodes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2739 Py_ssize_t size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2740 register Py_UNICODE *p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2741 struct arraydescr *descr;
11711
6546ea06e157 Patch from Paul Sokolovsky <Paul.Sokolovsky@technologist.com>:
Fred Drake <fdrake@acm.org>
parents: 11673
diff changeset
2742
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2743 if (PyType_Ready(&Arraytype) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2744 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2745 Py_TYPE(&PyArrayIter_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2746 m = PyModule_Create(&arraymodule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2747 if (m == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2748 return NULL;
22722
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2749
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2750 Py_INCREF((PyObject *)&Arraytype);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2751 PyModule_AddObject(m, "ArrayType", (PyObject *)&Arraytype);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2752 Py_INCREF((PyObject *)&Arraytype);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2753 PyModule_AddObject(m, "array", (PyObject *)&Arraytype);
43548
fb9d5306f4c7 Fix Issue 1268 with the array module by backing-out the 'w' addition. All builds will continue to use 'u' for unicode.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43423
diff changeset
2754
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2755 for (descr=descriptors; descr->typecode != '\0'; descr++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2756 size++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2757 }
43548
fb9d5306f4c7 Fix Issue 1268 with the array module by backing-out the 'w' addition. All builds will continue to use 'u' for unicode.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43423
diff changeset
2758
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2759 typecodes = PyUnicode_FromStringAndSize(NULL, size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2760 p = PyUnicode_AS_UNICODE(typecodes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2761 for (descr = descriptors; descr->typecode != '\0'; descr++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2762 *p++ = (char)descr->typecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2763 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2764
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2765 PyModule_AddObject(m, "typecodes", (PyObject *)typecodes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2766
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2767 if (PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2768 Py_DECREF(m);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2769 m = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 58910
diff changeset
2770 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 58910
diff changeset
2771 return m;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2772 }