annotate Modules/arraymodule.c @ 41587:15b810e21fe9

Get rid of all #ifdef Py_USING_UNICODE (it is always present now). (With the help of unifdef from freshmeat.)
author Guido van Rossum <guido@python.org>
date Thu, 03 May 2007 17:49:24 +0000
parents 06145fbc7ab9
children bab8a9c7f49e
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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 int 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 };
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31 typedef struct arrayobject {
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32 PyObject_VAR_HEAD
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33 char *ob_item;
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34 Py_ssize_t allocated;
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35 struct arraydescr *ob_descr;
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36 PyObject *weakreflist; /* List of weak references */
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37 } arrayobject;
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38
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39 static PyTypeObject Arraytype;
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40
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41 #define array_Check(op) PyObject_TypeCheck(op, &Arraytype)
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42 #define array_CheckExact(op) ((op)->ob_type == &Arraytype)
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43
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44 static int
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45 array_resize(arrayobject *self, Py_ssize_t newsize)
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46 {
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47 char *items;
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48 size_t _new_size;
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49
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50 /* Bypass realloc() when a previous overallocation is large enough
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51 to accommodate the newsize. If the newsize is 16 smaller than the
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52 current size, then proceed with the realloc() to shrink the list.
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53 */
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54
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55 if (self->allocated >= newsize &&
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56 self->ob_size < newsize + 16 &&
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57 self->ob_item != NULL) {
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58 self->ob_size = newsize;
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59 return 0;
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60 }
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61
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62 /* This over-allocates proportional to the array size, making room
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63 * for additional growth. The over-allocation is mild, but is
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64 * enough to give linear-time amortized behavior over a long
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65 * sequence of appends() in the presence of a poorly-performing
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66 * system realloc().
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67 * The growth pattern is: 0, 4, 8, 16, 25, 34, 46, 56, 67, 79, ...
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68 * Note, the pattern starts out the same as for lists but then
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69 * grows at a smaller rate so that larger arrays only overallocate
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70 * by about 1/16th -- this is done because arrays are presumed to be more
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71 * memory critical.
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72 */
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73
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74 _new_size = (newsize >> 4) + (self->ob_size < 8 ? 3 : 7) + newsize;
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75 items = self->ob_item;
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76 /* XXX The following multiplication and division does not optimize away
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77 like it does for lists since the size is not known at compile time */
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78 if (_new_size <= ((~(size_t)0) / self->ob_descr->itemsize))
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79 PyMem_RESIZE(items, char, (_new_size * self->ob_descr->itemsize));
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80 else
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81 items = NULL;
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82 if (items == NULL) {
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83 PyErr_NoMemory();
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84 return -1;
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85 }
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86 self->ob_item = items;
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87 self->ob_size = newsize;
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88 self->allocated = _new_size;
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89 return 0;
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90 }
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91
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92 /****************************************************************************
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93 Get and Set functions for each type.
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94 A Get function takes an arrayobject* and an integer index, returning the
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95 array value at that index wrapped in an appropriate PyObject*.
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96 A Set function takes an arrayobject, integer index, and PyObject*; sets
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97 the array value at that index to the raw C data extracted from the PyObject*,
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98 and returns 0 if successful, else nonzero on failure (PyObject* not of an
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99 appropriate type or value).
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100 Note that the basic Get and Set functions do NOT check that the index is
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101 in bounds; that's the responsibility of the caller.
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102 ****************************************************************************/
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103
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104 static PyObject *
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105 c_getitem(arrayobject *ap, Py_ssize_t i)
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106 {
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107 return PyString_FromStringAndSize(&((char *)ap->ob_item)[i], 1);
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108 }
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109
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110 static int
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111 c_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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112 {
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113 char x;
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114 if (!PyArg_Parse(v, "c;array item must be char", &x))
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115 return -1;
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116 if (i >= 0)
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117 ((char *)ap->ob_item)[i] = x;
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118 return 0;
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119 }
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120
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121 static PyObject *
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122 b_getitem(arrayobject *ap, Py_ssize_t i)
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123 {
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124 long x = ((char *)ap->ob_item)[i];
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125 if (x >= 128)
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126 x -= 256;
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127 return PyInt_FromLong(x);
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128 }
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130 static int
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131 b_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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132 {
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133 short x;
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134 /* PyArg_Parse's 'b' formatter is for an unsigned char, therefore
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135 must use the next size up that is signed ('h') and manually do
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136 the overflow checking */
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137 if (!PyArg_Parse(v, "h;array item must be integer", &x))
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138 return -1;
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139 else if (x < -128) {
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140 PyErr_SetString(PyExc_OverflowError,
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141 "signed char is less than minimum");
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142 return -1;
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143 }
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144 else if (x > 127) {
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145 PyErr_SetString(PyExc_OverflowError,
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146 "signed char is greater than maximum");
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147 return -1;
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148 }
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149 if (i >= 0)
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150 ((char *)ap->ob_item)[i] = (char)x;
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151 return 0;
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152 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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153
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154 static PyObject *
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155 BB_getitem(arrayobject *ap, Py_ssize_t i)
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156 {
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157 long x = ((unsigned char *)ap->ob_item)[i];
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158 return PyInt_FromLong(x);
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159 }
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160
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161 static int
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162 BB_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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163 {
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164 unsigned char x;
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165 /* 'B' == unsigned char, maps to PyArg_Parse's 'b' formatter */
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166 if (!PyArg_Parse(v, "b;array item must be integer", &x))
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167 return -1;
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168 if (i >= 0)
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169 ((char *)ap->ob_item)[i] = x;
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170 return 0;
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171 }
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172
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173 static PyObject *
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174 u_getitem(arrayobject *ap, Py_ssize_t i)
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175 {
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176 return PyUnicode_FromUnicode(&((Py_UNICODE *) ap->ob_item)[i], 1);
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177 }
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178
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179 static int
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180 u_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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181 {
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182 Py_UNICODE *p;
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183 Py_ssize_t len;
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184
966725095854 Patch 520694: arraymodule.c improvements:
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185 if (!PyArg_Parse(v, "u#;array item must be unicode character", &p, &len))
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186 return -1;
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187 if (len != 1) {
37879
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Thomas Wouters <thomas@python.org>
parents: 36882
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188 PyErr_SetString(PyExc_TypeError,
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diff changeset
189 "array item must be unicode character");
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190 return -1;
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diff changeset
191 }
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192 if (i >= 0)
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193 ((Py_UNICODE *)ap->ob_item)[i] = p[0];
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194 return 0;
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195 }
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196
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197 static PyObject *
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198 h_getitem(arrayobject *ap, Py_ssize_t i)
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199 {
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200 return PyInt_FromLong((long) ((short *)ap->ob_item)[i]);
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201 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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202
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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203 static int
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204 h_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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205 {
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206 short x;
13068
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207 /* 'h' == signed short, maps to PyArg_Parse's 'h' formatter */
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208 if (!PyArg_Parse(v, "h;array item must be integer", &x))
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209 return -1;
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210 if (i >= 0)
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diff changeset
211 ((short *)ap->ob_item)[i] = x;
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212 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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parents:
diff changeset
213 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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parents:
diff changeset
214
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diff changeset
215 static PyObject *
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diff changeset
216 HH_getitem(arrayobject *ap, Py_ssize_t i)
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217 {
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218 return PyInt_FromLong((long) ((unsigned short *)ap->ob_item)[i]);
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diff changeset
219 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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220
13068
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221 static int
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diff changeset
222 HH_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
13068
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diff changeset
223 {
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
224 int x;
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
225 /* PyArg_Parse's 'h' formatter is for a signed short, therefore
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
226 must use the next size up and manually do the overflow checking */
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
227 if (!PyArg_Parse(v, "i;array item must be integer", &x))
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
228 return -1;
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
229 else if (x < 0) {
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
230 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
231 "unsigned short is less than minimum");
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
232 return -1;
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
233 }
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
234 else if (x > USHRT_MAX) {
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
235 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
236 "unsigned short is greater than maximum");
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
237 return -1;
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
238 }
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
239 if (i >= 0)
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
240 ((short *)ap->ob_item)[i] = (short)x;
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
241 return 0;
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
242 }
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243
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
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diff changeset
244 static PyObject *
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diff changeset
245 i_getitem(arrayobject *ap, Py_ssize_t i)
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parents: 1391
diff changeset
246 {
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parents: 4600
diff changeset
247 return PyInt_FromLong((long) ((int *)ap->ob_item)[i]);
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diff changeset
248 }
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parents: 1391
diff changeset
249
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
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parents: 1391
diff changeset
250 static int
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diff changeset
251 i_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
1393
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diff changeset
252 {
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
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parents: 1391
diff changeset
253 int x;
13068
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254 /* 'i' == signed int, maps to PyArg_Parse's 'i' formatter */
4628
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
255 if (!PyArg_Parse(v, "i;array item must be integer", &x))
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diff changeset
256 return -1;
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parents: 1391
diff changeset
257 if (i >= 0)
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parents: 1391
diff changeset
258 ((int *)ap->ob_item)[i] = x;
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parents: 1391
diff changeset
259 return 0;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
260 }
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
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parents: 1391
diff changeset
261
4628
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
262 static PyObject *
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parents: 36324
diff changeset
263 II_getitem(arrayobject *ap, Py_ssize_t i)
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diff changeset
264 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
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265 return PyLong_FromUnsignedLong(
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266 (unsigned long) ((unsigned int *)ap->ob_item)[i]);
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267 }
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268
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269 static int
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270 II_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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271 {
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272 unsigned long x;
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273 if (PyLong_Check(v)) {
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274 x = PyLong_AsUnsignedLong(v);
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275 if (x == (unsigned long) -1 && PyErr_Occurred())
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276 return -1;
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277 }
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278 else {
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279 long y;
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280 if (!PyArg_Parse(v, "l;array item must be integer", &y))
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281 return -1;
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282 if (y < 0) {
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283 PyErr_SetString(PyExc_OverflowError,
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284 "unsigned int is less than minimum");
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285 return -1;
705132667f7b Trent Mick <trentm@activestate.com>:
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286 }
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287 x = (unsigned long)y;
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288
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289 }
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290 if (x > UINT_MAX) {
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291 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>:
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292 "unsigned int is greater than maximum");
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293 return -1;
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294 }
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295
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296 if (i >= 0)
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297 ((unsigned int *)ap->ob_item)[i] = (unsigned int)x;
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298 return 0;
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299 }
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300
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301 static PyObject *
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302 l_getitem(arrayobject *ap, Py_ssize_t i)
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303 {
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304 return PyInt_FromLong(((long *)ap->ob_item)[i]);
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parents:
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305 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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parents:
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306
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
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307 static int
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diff changeset
308 l_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
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309 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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310 long x;
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diff changeset
311 if (!PyArg_Parse(v, "l;array item must be integer", &x))
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312 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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diff changeset
313 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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314 ((long *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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parents:
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315 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
316 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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parents:
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317
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
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diff changeset
318 static PyObject *
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diff changeset
319 LL_getitem(arrayobject *ap, Py_ssize_t i)
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320 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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321 return PyLong_FromUnsignedLong(((unsigned long *)ap->ob_item)[i]);
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322 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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323
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
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diff changeset
324 static int
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
325 LL_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
4875
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diff changeset
326 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
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diff changeset
327 unsigned long x;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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diff changeset
328 if (PyLong_Check(v)) {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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329 x = PyLong_AsUnsignedLong(v);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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diff changeset
330 if (x == (unsigned long) -1 && PyErr_Occurred())
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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diff changeset
331 return -1;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
parents: 4634
diff changeset
332 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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diff changeset
333 else {
13068
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334 long y;
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335 if (!PyArg_Parse(v, "l;array item must be integer", &y))
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diff changeset
336 return -1;
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
337 if (y < 0) {
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
338 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
339 "unsigned long is less than minimum");
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340 return -1;
13068
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341 }
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diff changeset
342 x = (unsigned long)y;
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7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
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343
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344 }
13068
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345 if (x > ULONG_MAX) {
705132667f7b Trent Mick <trentm@activestate.com>:
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diff changeset
346 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
347 "unsigned long is greater than maximum");
705132667f7b Trent Mick <trentm@activestate.com>:
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parents: 12814
diff changeset
348 return -1;
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
349 }
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Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
350
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diff changeset
351 if (i >= 0)
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
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diff changeset
352 ((unsigned long *)ap->ob_item)[i] = x;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
parents: 4634
diff changeset
353 return 0;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
parents: 4634
diff changeset
354 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
parents: 4634
diff changeset
355
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the
Guido van Rossum <guido@python.org>
parents: 4634
diff changeset
356 static PyObject *
36501
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Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
357 f_getitem(arrayobject *ap, Py_ssize_t i)
1235
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parents:
diff changeset
358 {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
359 return PyFloat_FromDouble((double) ((float *)ap->ob_item)[i]);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
361
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 static int
36501
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Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
363 f_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 float x;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
366 if (!PyArg_Parse(v, "f;array item must be float", &x))
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
367 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
368 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 ((float *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
370 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
372
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
373 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
374 d_getitem(arrayobject *ap, Py_ssize_t i)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
376 return PyFloat_FromDouble(((double *)ap->ob_item)[i]);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
377 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
378
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
380 d_setitem(arrayobject *ap, Py_ssize_t i, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 double x;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
383 if (!PyArg_Parse(v, "d;array item must be float", &x))
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
384 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 ((double *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
389
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 /* Description of types */
1313
6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c.
Guido van Rossum <guido@python.org>
parents: 1271
diff changeset
391 static struct arraydescr descriptors[] = {
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
392 {'c', sizeof(char), c_getitem, c_setitem},
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
393 {'b', sizeof(char), b_getitem, b_setitem},
5542
cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim
Guido van Rossum <guido@python.org>
parents: 5410
diff changeset
394 {'B', sizeof(char), BB_getitem, BB_setitem},
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
395 {'u', sizeof(Py_UNICODE), u_getitem, u_setitem},
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
396 {'h', sizeof(short), h_getitem, h_setitem},
5542
cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim
Guido van Rossum <guido@python.org>
parents: 5410
diff changeset
397 {'H', sizeof(short), HH_getitem, HH_setitem},
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
398 {'i', sizeof(int), i_getitem, i_setitem},
5542
cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim
Guido van Rossum <guido@python.org>
parents: 5410
diff changeset
399 {'I', sizeof(int), II_getitem, II_setitem},
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
400 {'l', sizeof(long), l_getitem, l_setitem},
5542
cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim
Guido van Rossum <guido@python.org>
parents: 5410
diff changeset
401 {'L', sizeof(long), LL_getitem, LL_setitem},
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
402 {'f', sizeof(float), f_getitem, f_setitem},
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
403 {'d', sizeof(double), d_getitem, d_setitem},
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
404 {'\0', 0, 0, 0} /* Sentinel */
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
405 };
14499
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
406
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
407 /****************************************************************************
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
408 Implementations of array object methods.
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
409 ****************************************************************************/
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
410
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
411 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
412 newarrayobject(PyTypeObject *type, Py_ssize_t size, struct arraydescr *descr)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
413 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
414 arrayobject *op;
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1413
diff changeset
415 size_t nbytes;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
416
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
417 if (size < 0) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
418 PyErr_BadInternalCall();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
419 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 }
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
421
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
422 nbytes = size * descr->itemsize;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
423 /* Check for overflow */
5318
2c4b802a3b5d Keep Microsoft VC happy.
Guido van Rossum <guido@python.org>
parents: 4875
diff changeset
424 if (nbytes / descr->itemsize != (size_t)size) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
425 return PyErr_NoMemory();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
426 }
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
427 op = (arrayobject *) type->tp_alloc(type, 0);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
428 if (op == NULL) {
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
429 return NULL;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
430 }
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
431 op->ob_size = size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
432 if (size <= 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
433 op->ob_item = NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
434 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
435 else {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
436 op->ob_item = PyMem_NEW(char, nbytes);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
437 if (op->ob_item == NULL) {
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11711
diff changeset
438 PyObject_Del(op);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
439 return PyErr_NoMemory();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
440 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
441 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
442 op->ob_descr = descr;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
443 op->allocated = size;
32159
2c169ca5fa69 Add weakref support to array.array and file objects.
Raymond Hettinger <python@rcn.com>
parents: 31660
diff changeset
444 op->weakreflist = NULL;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
445 return (PyObject *) op;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
446 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
447
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
448 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
449 getarrayitem(PyObject *op, Py_ssize_t i)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
450 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
451 register arrayobject *ap;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
452 assert(array_Check(op));
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
453 ap = (arrayobject *)op;
29244
23ad8b5d7b4a All calls to getarrayitem() (which is static) are done either in loops
Walter Dörwald <walter@livinglogic.de>
parents: 29163
diff changeset
454 assert(i>=0 && i<ap->ob_size);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
455 return (*ap->ob_descr->getitem)(ap, i);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
456 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
457
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
458 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
459 ins1(arrayobject *self, Py_ssize_t where, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
460 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
461 char *items;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
462 Py_ssize_t n = self->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
463 if (v == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
464 PyErr_BadInternalCall();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
465 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
466 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
467 if ((*self->ob_descr->setitem)(self, -1, v) < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
468 return -1;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
469
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
470 if (array_resize(self, n+1) == -1)
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
471 return -1;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
472 items = self->ob_item;
29163
2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as
Walter Dörwald <walter@livinglogic.de>
parents: 28760
diff changeset
473 if (where < 0) {
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
474 where += n;
29163
2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as
Walter Dörwald <walter@livinglogic.de>
parents: 28760
diff changeset
475 if (where < 0)
2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as
Walter Dörwald <walter@livinglogic.de>
parents: 28760
diff changeset
476 where = 0;
2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as
Walter Dörwald <walter@livinglogic.de>
parents: 28760
diff changeset
477 }
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
478 if (where > n)
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
479 where = n;
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
480 /* appends don't need to call memmove() */
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
481 if (where != n)
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
482 memmove(items + (where+1)*self->ob_descr->itemsize,
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
483 items + where*self->ob_descr->itemsize,
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
484 (n-where)*self->ob_descr->itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
485 return (*self->ob_descr->setitem)(self, where, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
486 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
487
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
488 /* Methods */
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
489
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
490 static void
13590
c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>)
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13447
diff changeset
491 array_dealloc(arrayobject *op)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
492 {
32159
2c169ca5fa69 Add weakref support to array.array and file objects.
Raymond Hettinger <python@rcn.com>
parents: 31660
diff changeset
493 if (op->weakreflist != NULL)
2c169ca5fa69 Add weakref support to array.array and file objects.
Raymond Hettinger <python@rcn.com>
parents: 31660
diff changeset
494 PyObject_ClearWeakRefs((PyObject *) op);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
495 if (op->ob_item != NULL)
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
496 PyMem_DEL(op->ob_item);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
497 op->ob_type->tp_free((PyObject *)op);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
498 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
499
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
500 static PyObject *
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
501 array_richcompare(PyObject *v, PyObject *w, int op)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
502 {
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
503 arrayobject *va, *wa;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
504 PyObject *vi = NULL;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
505 PyObject *wi = NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
506 Py_ssize_t i, k;
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
507 PyObject *res;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
508
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
509 if (!array_Check(v) || !array_Check(w)) {
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
510 Py_INCREF(Py_NotImplemented);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
511 return Py_NotImplemented;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
512 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
513
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
514 va = (arrayobject *)v;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
515 wa = (arrayobject *)w;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
516
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
517 if (va->ob_size != wa->ob_size && (op == Py_EQ || op == Py_NE)) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
518 /* Shortcut: if the lengths differ, the arrays differ */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
519 if (op == Py_EQ)
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
520 res = Py_False;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
521 else
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
522 res = Py_True;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
523 Py_INCREF(res);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
524 return res;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
525 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
526
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
527 /* Search for the first index where items are different */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
528 k = 1;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
529 for (i = 0; i < va->ob_size && i < wa->ob_size; i++) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
530 vi = getarrayitem(v, i);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
531 wi = getarrayitem(w, i);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
532 if (vi == NULL || wi == NULL) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
533 Py_XDECREF(vi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
534 Py_XDECREF(wi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
535 return NULL;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
536 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
537 k = PyObject_RichCompareBool(vi, wi, Py_EQ);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
538 if (k == 0)
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
539 break; /* Keeping vi and wi alive! */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
540 Py_DECREF(vi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
541 Py_DECREF(wi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
542 if (k < 0)
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
543 return NULL;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
544 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
545
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
546 if (k) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
547 /* No more items to compare -- compare sizes */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
548 Py_ssize_t vs = va->ob_size;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
549 Py_ssize_t ws = wa->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
550 int cmp;
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
551 switch (op) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
552 case Py_LT: cmp = vs < ws; break;
16268
c2ce9b2e5bb4 Correct one-line typo, reported by yole @ SF, bug 130077.
Guido van Rossum <guido@python.org>
parents: 16232
diff changeset
553 case Py_LE: cmp = vs <= ws; break;
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
554 case Py_EQ: cmp = vs == ws; break;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
555 case Py_NE: cmp = vs != ws; break;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
556 case Py_GT: cmp = vs > ws; break;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
557 case Py_GE: cmp = vs >= ws; break;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
558 default: return NULL; /* cannot happen */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
559 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
560 if (cmp)
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
561 res = Py_True;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
562 else
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
563 res = Py_False;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
564 Py_INCREF(res);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
565 return res;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
566 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
567
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
568 /* We have an item that differs. First, shortcuts for EQ/NE */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
569 if (op == Py_EQ) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
570 Py_INCREF(Py_False);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
571 res = Py_False;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
572 }
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
573 else if (op == Py_NE) {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
574 Py_INCREF(Py_True);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
575 res = Py_True;
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
576 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
577 else {
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
578 /* Compare the final item again using the proper operator */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
579 res = PyObject_RichCompare(vi, wi, op);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
580 }
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
581 Py_DECREF(vi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
582 Py_DECREF(wi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
583 return res;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
584 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
585
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
586 static Py_ssize_t
13590
c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>)
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13447
diff changeset
587 array_length(arrayobject *a)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
588 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
589 return a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
590 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
591
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
592 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
593 array_item(arrayobject *a, Py_ssize_t i)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
594 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
595 if (i < 0 || i >= a->ob_size) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
596 PyErr_SetString(PyExc_IndexError, "array index out of range");
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
597 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
598 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
599 return getarrayitem((PyObject *)a, i);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
600 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
601
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
602 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
603 array_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
604 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
605 arrayobject *np;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
606 if (ilow < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
607 ilow = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
608 else if (ilow > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
609 ilow = a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
610 if (ihigh < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
611 ihigh = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
612 if (ihigh < ilow)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
613 ihigh = ilow;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
614 else if (ihigh > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
615 ihigh = a->ob_size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
616 np = (arrayobject *) newarrayobject(&Arraytype, ihigh - ilow, a->ob_descr);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
617 if (np == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
618 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
619 memcpy(np->ob_item, a->ob_item + ilow * a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
620 (ihigh-ilow) * a->ob_descr->itemsize);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
621 return (PyObject *)np;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
622 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
623
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
624 static PyObject *
31651
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
625 array_copy(arrayobject *a, PyObject *unused)
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
626 {
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
627 return array_slice(a, 0, a->ob_size);
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
628 }
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
629
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
630 PyDoc_STRVAR(copy_doc,
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
631 "copy(array)\n\
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
632 \n\
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
633 Return a copy of the array.");
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
634
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
635 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
636 array_concat(arrayobject *a, PyObject *bb)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
637 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
638 Py_ssize_t size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
639 arrayobject *np;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
640 if (!array_Check(bb)) {
12814
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
641 PyErr_Format(PyExc_TypeError,
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
642 "can only append array (not \"%.200s\") to array",
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
643 bb->ob_type->tp_name);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
644 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
645 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
646 #define b ((arrayobject *)bb)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
647 if (a->ob_descr != b->ob_descr) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
648 PyErr_BadArgument();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
649 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
650 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
651 size = a->ob_size + b->ob_size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
652 np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
653 if (np == NULL) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
654 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
655 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
656 memcpy(np->ob_item, a->ob_item, a->ob_size*a->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
657 memcpy(np->ob_item + a->ob_size*a->ob_descr->itemsize,
1397
1ce2c0f565ef Fix stupib bug in concatenation
Guido van Rossum <guido@python.org>
parents: 1393
diff changeset
658 b->ob_item, b->ob_size*b->ob_descr->itemsize);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
659 return (PyObject *)np;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
660 #undef b
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
661 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
662
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
663 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
664 array_repeat(arrayobject *a, Py_ssize_t n)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
665 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
666 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
667 Py_ssize_t size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
668 arrayobject *np;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
669 char *p;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
670 Py_ssize_t nbytes;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
671 if (n < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
672 n = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
673 size = a->ob_size * n;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
674 np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
675 if (np == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
676 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
677 p = np->ob_item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
678 nbytes = a->ob_size * a->ob_descr->itemsize;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
679 for (i = 0; i < n; i++) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
680 memcpy(p, a->ob_item, nbytes);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
681 p += nbytes;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
682 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
683 return (PyObject *) np;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
684 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
685
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
686 static int
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
687 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
688 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
689 char *item;
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
690 Py_ssize_t n; /* Size of replacement array */
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
691 Py_ssize_t d; /* Change in size */
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
692 #define b ((arrayobject *)v)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
693 if (v == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
694 n = 0;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
695 else if (array_Check(v)) {
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
696 n = b->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
697 if (a == b) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
698 /* Special case "a[i:j] = a" -- copy b first */
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
699 int ret;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
700 v = array_slice(b, 0, n);
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
701 if (!v)
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
702 return -1;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
703 ret = array_ass_slice(a, ilow, ihigh, v);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
704 Py_DECREF(v);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
705 return ret;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
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 if (b->ob_descr != a->ob_descr) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
708 PyErr_BadArgument();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
709 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
710 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
711 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
712 else {
12814
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
713 PyErr_Format(PyExc_TypeError,
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
714 "can only assign array (not \"%.200s\") to array slice",
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>:
Fred Drake <fdrake@acm.org>
parents: 12576
diff changeset
715 v->ob_type->tp_name);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
716 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
717 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
718 if (ilow < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
719 ilow = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
720 else if (ilow > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
721 ilow = a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
722 if (ihigh < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
723 ihigh = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
724 if (ihigh < ilow)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
725 ihigh = ilow;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
726 else if (ihigh > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
727 ihigh = a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
728 item = a->ob_item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
729 d = n - (ihigh-ilow);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
730 if (d < 0) { /* Delete -d items */
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
731 memmove(item + (ihigh+d)*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
732 item + ihigh*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
733 (a->ob_size-ihigh)*a->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
734 a->ob_size += d;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
735 PyMem_RESIZE(item, char, a->ob_size*a->ob_descr->itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
736 /* Can't fail */
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
737 a->ob_item = item;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
738 a->allocated = a->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
739 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
740 else if (d > 0) { /* Insert d items */
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
741 PyMem_RESIZE(item, char,
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
742 (a->ob_size + d)*a->ob_descr->itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
743 if (item == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
744 PyErr_NoMemory();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
745 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
746 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
747 memmove(item + (ihigh+d)*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
748 item + ihigh*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
749 (a->ob_size-ihigh)*a->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
750 a->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
751 a->ob_size += d;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
752 a->allocated = a->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
753 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
754 if (n > 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
755 memcpy(item + ilow*a->ob_descr->itemsize, b->ob_item,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
756 n*b->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
757 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
758 #undef b
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
759 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
760
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
761 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
762 array_ass_item(arrayobject *a, Py_ssize_t i, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
763 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
764 if (i < 0 || i >= a->ob_size) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
765 PyErr_SetString(PyExc_IndexError,
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
766 "array assignment index out of range");
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
767 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
768 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
769 if (v == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
770 return array_ass_slice(a, i, i+1, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
771 return (*a->ob_descr->setitem)(a, i, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
772 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
773
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
774 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
775 setarrayitem(PyObject *a, Py_ssize_t i, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
776 {
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
777 assert(array_Check(a));
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
778 return array_ass_item((arrayobject *)a, i, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
779 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
780
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
781 static int
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
782 array_iter_extend(arrayobject *self, PyObject *bb)
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
783 {
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
784 PyObject *it, *v;
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
785
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
786 it = PyObject_GetIter(bb);
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
787 if (it == NULL)
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
788 return -1;
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
789
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
790 while ((v = PyIter_Next(it)) != NULL) {
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
791 if (ins1(self, (int) self->ob_size, v) != 0) {
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
792 Py_DECREF(v);
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
793 Py_DECREF(it);
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
794 return -1;
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
795 }
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
796 Py_DECREF(v);
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
797 }
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
798 Py_DECREF(it);
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
799 if (PyErr_Occurred())
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
800 return -1;
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
801 return 0;
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
802 }
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
803
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
804 static int
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
805 array_do_extend(arrayobject *self, PyObject *bb)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
806 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
807 Py_ssize_t size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
808
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
809 if (!array_Check(bb))
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
810 return array_iter_extend(self, bb);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
811 #define b ((arrayobject *)bb)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
812 if (self->ob_descr != b->ob_descr) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
813 PyErr_SetString(PyExc_TypeError,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
814 "can only extend with array of same kind");
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
815 return -1;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
816 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
817 size = self->ob_size + b->ob_size;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
818 PyMem_RESIZE(self->ob_item, char, size*self->ob_descr->itemsize);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
819 if (self->ob_item == NULL) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
820 PyObject_Del(self);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
821 PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
822 return -1;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
823 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
824 memcpy(self->ob_item + self->ob_size*self->ob_descr->itemsize,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
825 b->ob_item, b->ob_size*b->ob_descr->itemsize);
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
826 self->ob_size = size;
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
827 self->allocated = size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
828
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
829 return 0;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
830 #undef b
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
831 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
832
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
833 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
834 array_inplace_concat(arrayobject *self, PyObject *bb)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
835 {
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
836 if (!array_Check(bb)) {
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
837 PyErr_Format(PyExc_TypeError,
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
838 "can only extend array with array (not \"%.200s\")",
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
839 bb->ob_type->tp_name);
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
840 return NULL;
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
841 }
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
842 if (array_do_extend(self, bb) == -1)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
843 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
844 Py_INCREF(self);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
845 return (PyObject *)self;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
846 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
847
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
848 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
849 array_inplace_repeat(arrayobject *self, Py_ssize_t n)
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
850 {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
851 char *items, *p;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
852 Py_ssize_t size, i;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
853
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
854 if (self->ob_size > 0) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
855 if (n < 0)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
856 n = 0;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
857 items = self->ob_item;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
858 size = self->ob_size * self->ob_descr->itemsize;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
859 if (n == 0) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
860 PyMem_FREE(items);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
861 self->ob_item = NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
862 self->ob_size = 0;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
863 self->allocated = 0;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
864 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
865 else {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
866 PyMem_Resize(items, char, n * size);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
867 if (items == NULL)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
868 return PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
869 p = items;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
870 for (i = 1; i < n; i++) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
871 p += size;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
872 memcpy(p, items, size);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
873 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
874 self->ob_item = items;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
875 self->ob_size *= n;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
876 self->allocated = self->ob_size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
877 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
878 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
879 Py_INCREF(self);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
880 return (PyObject *)self;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
881 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
882
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
883
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
884 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
885 ins(arrayobject *self, Py_ssize_t where, PyObject *v)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
886 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
887 if (ins1(self, where, v) != 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
888 return NULL;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
889 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
890 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
891 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
892
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
893 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
894 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
895 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
896 Py_ssize_t count = 0;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
897 Py_ssize_t i;
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
898
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
899 for (i = 0; i < self->ob_size; i++) {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
900 PyObject *selfi = getarrayitem((PyObject *)self, i);
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
901 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
902 Py_DECREF(selfi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
903 if (cmp > 0)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
904 count++;
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
905 else if (cmp < 0)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
906 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
907 }
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
908 return PyInt_FromSsize_t(count);
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
909 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
910
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
911 PyDoc_STRVAR(count_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
912 "count(x)\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
913 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
914 Return number of occurences 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
915
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
916 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
917 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
918 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
919 Py_ssize_t i;
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
920
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
921 for (i = 0; i < self->ob_size; i++) {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
922 PyObject *selfi = getarrayitem((PyObject *)self, i);
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
923 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
924 Py_DECREF(selfi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
925 if (cmp > 0) {
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
926 return PyInt_FromLong((long)i);
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
927 }
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
928 else if (cmp < 0)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
929 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
930 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
931 PyErr_SetString(PyExc_ValueError, "array.index(x): x not in list");
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
932 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
933 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
934
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
935 PyDoc_STRVAR(index_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
936 "index(x)\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
937 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
938 Return index of first occurence 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
939
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
940 static int
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
941 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
942 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
943 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
944 int cmp;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
945
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
946 for (i = 0, cmp = 0 ; cmp == 0 && i < self->ob_size; i++) {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
947 PyObject *selfi = getarrayitem((PyObject *)self, i);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
948 cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
949 Py_DECREF(selfi);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
950 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
951 return cmp;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
952 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
953
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
954 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
955 array_remove(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
956 {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
957 int i;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
958
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
959 for (i = 0; i < self->ob_size; i++) {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
960 PyObject *selfi = getarrayitem((PyObject *)self,i);
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
961 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
962 Py_DECREF(selfi);
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
963 if (cmp > 0) {
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
964 if (array_ass_slice(self, i, i+1,
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
965 (PyObject *)NULL) != 0)
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
966 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
967 Py_INCREF(Py_None);
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
968 return Py_None;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
969 }
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
970 else if (cmp < 0)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
971 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
972 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
973 PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in list");
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
974 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
975 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
976
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
977 PyDoc_STRVAR(remove_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
978 "remove(x)\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
979 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
980 Remove the first occurence 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
981
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
982 static PyObject *
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
983 array_pop(arrayobject *self, PyObject *args)
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
984 {
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
985 Py_ssize_t i = -1;
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
986 PyObject *v;
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
987 if (!PyArg_ParseTuple(args, "|n:pop", &i))
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
988 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
989 if (self->ob_size == 0) {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
990 /* Special-case most common failure cause */
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
991 PyErr_SetString(PyExc_IndexError, "pop from empty array");
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
992 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
993 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
994 if (i < 0)
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
995 i += self->ob_size;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
996 if (i < 0 || i >= self->ob_size) {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
997 PyErr_SetString(PyExc_IndexError, "pop index out of range");
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
998 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
999 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1000 v = getarrayitem((PyObject *)self,i);
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1001 if (array_ass_slice(self, i, i+1, (PyObject *)NULL) != 0) {
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1002 Py_DECREF(v);
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1003 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1004 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1005 return v;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1006 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1007
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1008 PyDoc_STRVAR(pop_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1009 "pop([i])\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1010 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1011 Return the i-th element and delete it from the array. i defaults to -1.");
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1012
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1013 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1014 array_extend(arrayobject *self, PyObject *bb)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1015 {
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1016 if (array_do_extend(self, bb) == -1)
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1017 return NULL;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1018 Py_INCREF(Py_None);
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1019 return Py_None;
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1020 }
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1021
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1022 PyDoc_STRVAR(extend_doc,
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
1023 "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
1024 \n\
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
1025 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
1026
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1027 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
1028 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
1029 {
36689
11484a72d966 Convert array.array.insert to use Py_ssize_t (like the rest already does.)
Thomas Wouters <thomas@python.org>
parents: 36544
diff changeset
1030 Py_ssize_t i;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1031 PyObject *v;
36689
11484a72d966 Convert array.array.insert to use Py_ssize_t (like the rest already does.)
Thomas Wouters <thomas@python.org>
parents: 36544
diff changeset
1032 if (!PyArg_ParseTuple(args, "nO:insert", &i, &v))
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1033 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1034 return ins(self, i, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1035 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1036
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1037 PyDoc_STRVAR(insert_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1038 "insert(i,x)\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1039 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1040 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
1041
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1042
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1043 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1044 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
1045 {
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1046 PyObject* retval = NULL;
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1047 retval = PyTuple_New(2);
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1048 if (!retval)
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1049 return NULL;
13068
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1050
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1051 PyTuple_SET_ITEM(retval, 0, PyLong_FromVoidPtr(self->ob_item));
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1052 PyTuple_SET_ITEM(retval, 1, PyInt_FromLong((long)(self->ob_size)));
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1053
705132667f7b Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 12814
diff changeset
1054 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
1055 }
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of
Guido van Rossum <guido@python.org>
parents: 5696
diff changeset
1056
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1057 PyDoc_STRVAR(buffer_info_doc,
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1058 "buffer_info() -> (address, length)\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1059 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1060 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
1061 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
1062 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
1063 the buffer length in bytes.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1064
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1065
5982
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of
Guido van Rossum <guido@python.org>
parents: 5696
diff changeset
1066 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1067 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
1068 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1069 return ins(self, (int) self->ob_size, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1070 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1071
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1072 PyDoc_STRVAR(append_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1073 "append(x)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1074 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1075 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
1076
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1077
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1078 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1079 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
1080 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1081 char *p;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1082 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
1083
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1084 switch (self->ob_descr->itemsize) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1085 case 1:
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1086 break;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1087 case 2:
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1088 for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 2) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1089 char p0 = p[0];
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1090 p[0] = p[1];
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1091 p[1] = p0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1092 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1093 break;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1094 case 4:
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1095 for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 4) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1096 char p0 = p[0];
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1097 char p1 = p[1];
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1098 p[0] = p[3];
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1099 p[1] = p[2];
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1100 p[2] = p1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1101 p[3] = p0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1102 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1103 break;
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1104 case 8:
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1105 for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 8) {
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1106 char p0 = p[0];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1107 char p1 = p[1];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1108 char p2 = p[2];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1109 char p3 = p[3];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1110 p[0] = p[7];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1111 p[1] = p[6];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1112 p[2] = p[5];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1113 p[3] = p[4];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1114 p[4] = p3;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1115 p[5] = p2;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1116 p[6] = p1;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1117 p[7] = p0;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1118 }
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1119 break;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1120 default:
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1121 PyErr_SetString(PyExc_RuntimeError,
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1122 "don't know how to byteswap this array type");
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1123 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1124 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1125 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1126 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1127 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1128
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1129 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
1130 "byteswap()\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1131 \n\
11522
cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter
Fred Drake <fdrake@acm.org>
parents: 11242
diff changeset
1132 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
1133 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
1134
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1135 static PyObject *
34174
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1136 array_reduce(arrayobject *array)
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1137 {
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1138 PyObject *dict, *result;
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1139
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1140 dict = PyObject_GetAttrString((PyObject *)array, "__dict__");
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1141 if (dict == NULL) {
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1142 PyErr_Clear();
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1143 dict = Py_None;
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1144 Py_INCREF(dict);
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1145 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1146 if (array->ob_size > 0) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1147 result = Py_BuildValue("O(cs#)O",
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1148 array->ob_type,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1149 array->ob_descr->typecode,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1150 array->ob_item,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1151 array->ob_size * array->ob_descr->itemsize,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1152 dict);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1153 } else {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1154 result = Py_BuildValue("O(c)O",
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1155 array->ob_type,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1156 array->ob_descr->typecode,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1157 dict);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1158 }
34174
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1159 Py_DECREF(dict);
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1160 return result;
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1161 }
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1162
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1163 PyDoc_STRVAR(array_doc, "Return state information for pickling.");
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1164
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1165 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1166 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
1167 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1168 register Py_ssize_t itemsize = self->ob_descr->itemsize;
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1169 register char *p, *q;
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1170 /* little buffer to hold items while swapping */
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1171 char tmp[256]; /* 8 is probably enough -- but why skimp */
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36882
diff changeset
1172 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
1173
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1174 if (self->ob_size > 1) {
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1175 for (p = self->ob_item,
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1176 q = self->ob_item + (self->ob_size - 1)*itemsize;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1177 p < q;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1178 p += itemsize, q -= itemsize) {
14649
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1179 /* memory areas guaranteed disjoint, so memcpy
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1180 * is safe (& memmove may be slower).
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1181 */
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1182 memcpy(tmp, p, itemsize);
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1183 memcpy(p, q, itemsize);
1ec6c63347ea arraymodule: Fix SF bug 113960.
Tim Peters <tim.peters@gmail.com>
parents: 14499
diff changeset
1184 memcpy(q, tmp, itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1185 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1186 }
14499
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless
Tim Peters <tim.peters@gmail.com>
parents: 14375
diff changeset
1187
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1188 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1189 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1190 }
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1391
diff changeset
1191
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1192 PyDoc_STRVAR(reverse_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1193 "reverse()\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1194 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1195 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
1196
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1197 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
1198 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
1199 {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1200 PyObject *f;
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1201 Py_ssize_t n;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1202 FILE *fp;
36529
442c0fb3c4ed Use correct format specifier for Py_ssize_t variable to PyArg_ParseTuple().
Thomas Wouters <thomas@python.org>
parents: 36518
diff changeset
1203 if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1204 return NULL;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1205 fp = PyFile_AsFile(f);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1206 if (fp == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1207 PyErr_SetString(PyExc_TypeError, "arg1 must be open file");
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1208 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1209 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1210 if (n > 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1211 char *item = self->ob_item;
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1212 Py_ssize_t itemsize = self->ob_descr->itemsize;
13081
0acec211a209 Trent Mick: use size_t instead of int where appropriate (in
Guido van Rossum <guido@python.org>
parents: 13068
diff changeset
1213 size_t nread;
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1214 Py_ssize_t newlength;
10283
d3bece46486e Carefully check for overflow when allocating the memory for fromfile
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
1215 size_t newbytes;
d3bece46486e Carefully check for overflow when allocating the memory for fromfile
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
1216 /* Be careful here about overflow */
d3bece46486e Carefully check for overflow when allocating the memory for fromfile
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
1217 if ((newlength = self->ob_size + n) <= 0 ||
10434
a4768315948d Use an unsigned cast to avoid a warning in VC++.
Guido van Rossum <guido@python.org>
parents: 10283
diff changeset
1218 (newbytes = newlength * itemsize) / itemsize !=
a4768315948d Use an unsigned cast to avoid a warning in VC++.
Guido van Rossum <guido@python.org>
parents: 10283
diff changeset
1219 (size_t)newlength)
10283
d3bece46486e Carefully check for overflow when allocating the memory for fromfile
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
1220 goto nomem;
d3bece46486e Carefully check for overflow when allocating the memory for fromfile
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
1221 PyMem_RESIZE(item, char, newbytes);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1222 if (item == NULL) {
10283
d3bece46486e Carefully check for overflow when allocating the memory for fromfile
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
1223 nomem:
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1224 PyErr_NoMemory();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1225 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1226 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1227 self->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1228 self->ob_size += n;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1229 self->allocated = self->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1230 nread = fread(item + (self->ob_size - n) * itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1231 itemsize, n, fp);
13081
0acec211a209 Trent Mick: use size_t instead of int where appropriate (in
Guido van Rossum <guido@python.org>
parents: 13068
diff changeset
1232 if (nread < (size_t)n) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1233 self->ob_size -= (n - nread);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1234 PyMem_RESIZE(item, char, self->ob_size*itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1235 self->ob_item = item;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1236 self->allocated = self->ob_size;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1237 PyErr_SetString(PyExc_EOFError,
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1238 "not enough items in file");
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1239 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1240 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1241 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1242 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1243 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1244 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1245
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1246 PyDoc_STRVAR(fromfile_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1247 "fromfile(f, n)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1248 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1249 Read n objects from the file object f and append them to the end of the\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1250 array. Also called as read.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1251
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1252
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1253 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1254 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
1255 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1256 FILE *fp;
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1257
41434
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1258 if (self->ob_size == 0)
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1259 goto done;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1260
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1261 fp = PyFile_AsFile(f);
41434
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1262 if (fp != NULL) {
13942
31b25ac1f019 Use safer comparisons (only matters when sizeof(int) != sizeof(size_t)). fread
Trent Mick <trentm@activestate.com>
parents: 13792
diff changeset
1263 if (fwrite(self->ob_item, self->ob_descr->itemsize,
31b25ac1f019 Use safer comparisons (only matters when sizeof(int) != sizeof(size_t)). fread
Trent Mick <trentm@activestate.com>
parents: 13792
diff changeset
1264 self->ob_size, fp) != (size_t)self->ob_size) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1265 PyErr_SetFromErrno(PyExc_IOError);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1266 clearerr(fp);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1267 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1268 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1269 }
41434
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1270 else {
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1271 Py_ssize_t nbytes = self->ob_size * self->ob_descr->itemsize;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1272 /* Write 64K blocks at a time */
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1273 /* XXX Make the block size settable */
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1274 int BLOCKSIZE = 64*1024;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1275 Py_ssize_t nblocks = (nbytes + BLOCKSIZE - 1) / BLOCKSIZE;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1276 Py_ssize_t i;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1277 for (i = 0; i < nblocks; i++) {
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1278 char* ptr = self->ob_item + i*BLOCKSIZE;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1279 Py_ssize_t size = BLOCKSIZE;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1280 PyObject *bytes, *res;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1281 if (i*BLOCKSIZE + size > nbytes)
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1282 size = nbytes - i*BLOCKSIZE;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1283 bytes = PyBytes_FromStringAndSize(ptr, size);
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1284 if (bytes == NULL)
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1285 return NULL;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1286 res = PyObject_CallMethod(f, "write", "O",
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1287 bytes);
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1288 Py_DECREF(bytes);
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1289 if (res == NULL)
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1290 return NULL;
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1291 }
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1292 }
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1293
f390793e75de Make array().tofile() work with a new I/O object.
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1294 done:
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1295 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1296 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1297 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1298
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1299 PyDoc_STRVAR(tofile_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1300 "tofile(f)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1301 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1302 Write all items (as machine values) to the file object f. Also called as\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1303 write.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1304
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1305
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1306 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1307 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
1308 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1309 Py_ssize_t n;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1310 Py_ssize_t itemsize = self->ob_descr->itemsize;
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1311
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1312 if (!PyList_Check(list)) {
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1313 PyErr_SetString(PyExc_TypeError, "arg must be list");
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1314 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1315 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1316 n = PyList_Size(list);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1317 if (n > 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1318 char *item = self->ob_item;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1319 Py_ssize_t i;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1320 PyMem_RESIZE(item, char, (self->ob_size + n) * itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1321 if (item == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1322 PyErr_NoMemory();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1323 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1324 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1325 self->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1326 self->ob_size += n;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1327 self->allocated = self->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1328 for (i = 0; i < n; i++) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1329 PyObject *v = PyList_GetItem(list, i);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1330 if ((*self->ob_descr->setitem)(self,
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1331 self->ob_size - n + i, v) != 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1332 self->ob_size -= n;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1333 PyMem_RESIZE(item, char,
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1334 self->ob_size * itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1335 self->ob_item = item;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1336 self->allocated = self->ob_size;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1337 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1338 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1339 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1340 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1341 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1342 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1343 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1344
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1345 PyDoc_STRVAR(fromlist_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1346 "fromlist(list)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1347 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1348 Append items to array from list.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1349
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1350
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1351 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1352 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
1353 {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1354 PyObject *list = PyList_New(self->ob_size);
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1355 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
1356
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1357 if (list == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1358 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1359 for (i = 0; i < self->ob_size; i++) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1360 PyObject *v = getarrayitem((PyObject *)self, i);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1361 if (v == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1362 Py_DECREF(list);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1363 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1364 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1365 PyList_SetItem(list, i, v);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1366 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1367 return list;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1368 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1369
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1370 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
1371 "tolist() -> list\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1372 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1373 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
1374
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1375
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1376 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
1377 array_fromstring(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
1378 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1379 char *str;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1380 Py_ssize_t n;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1381 int itemsize = self->ob_descr->itemsize;
13773
b6d93dba120e replaced PyArgs_Parse by PyArgs_ParseTuple
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13772
diff changeset
1382 if (!PyArg_ParseTuple(args, "s#:fromstring", &str, &n))
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1383 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1384 if (n % itemsize != 0) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1385 PyErr_SetString(PyExc_ValueError,
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1386 "string length not a multiple of item size");
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1387 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1388 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1389 n = n / itemsize;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1390 if (n > 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1391 char *item = self->ob_item;
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1392 PyMem_RESIZE(item, char, (self->ob_size + n) * itemsize);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1393 if (item == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1394 PyErr_NoMemory();
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1395 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1396 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1397 self->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1398 self->ob_size += n;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1399 self->allocated = self->ob_size;
4634
9facbab152cd Removed some unneeded header files and reedited with a fixed-width font
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4628
diff changeset
1400 memcpy(item + (self->ob_size - n) * itemsize,
9facbab152cd Removed some unneeded header files and reedited with a fixed-width font
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4628
diff changeset
1401 str, itemsize*n);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1402 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1403 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1404 return Py_None;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1405 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1406
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1407 PyDoc_STRVAR(fromstring_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1408 "fromstring(string)\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1409 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1410 Appends items from the string, interpreting it as an array of machine\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1411 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
1412
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1413
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1414 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1415 array_tostring(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
1416 {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1417 return PyString_FromStringAndSize(self->ob_item,
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1418 self->ob_size * self->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1419 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1420
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1421 PyDoc_STRVAR(tostring_doc,
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1422 "tostring() -> string\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1423 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1424 Convert the array to an array of machine values and return the string\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1425 representation.");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1426
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1427
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1428
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1429 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1430 array_fromunicode(arrayobject *self, PyObject *args)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1431 {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1432 Py_UNICODE *ustr;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1433 Py_ssize_t n;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1434
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1435 if (!PyArg_ParseTuple(args, "u#:fromunicode", &ustr, &n))
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1436 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1437 if (self->ob_descr->typecode != 'u') {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1438 PyErr_SetString(PyExc_ValueError,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1439 "fromunicode() may only be called on "
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1440 "type 'u' arrays");
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1441 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1442 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1443 if (n > 0) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1444 Py_UNICODE *item = (Py_UNICODE *) self->ob_item;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1445 PyMem_RESIZE(item, Py_UNICODE, self->ob_size + n);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1446 if (item == NULL) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1447 PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1448 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1449 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1450 self->ob_item = (char *) item;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1451 self->ob_size += n;
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1452 self->allocated = self->ob_size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1453 memcpy(item + self->ob_size - n,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1454 ustr, n * sizeof(Py_UNICODE));
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1455 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1456
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1457 Py_INCREF(Py_None);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1458 return Py_None;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1459 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1460
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1461 PyDoc_STRVAR(fromunicode_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1462 "fromunicode(ustr)\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1463 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1464 Extends this array with data from the unicode string ustr.\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1465 The array must be a type 'u' array; otherwise a ValueError\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1466 is raised. Use array.fromstring(ustr.decode(...)) to\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1467 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
1468
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1469
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1470 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1471 array_tounicode(arrayobject *self, PyObject *unused)
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1472 {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1473 if (self->ob_descr->typecode != 'u') {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1474 PyErr_SetString(PyExc_ValueError,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1475 "tounicode() may only be called on type 'u' arrays");
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1476 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1477 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1478 return PyUnicode_FromUnicode((Py_UNICODE *) self->ob_item, self->ob_size);
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(tounicode_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1482 "tounicode() -> unicode\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 Convert the array to a unicode string. The array must be\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1485 a type 'u' array; otherwise a ValueError is raised. Use\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1486 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
1487 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
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1491 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1492 array_get_typecode(arrayobject *a, void *closure)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1493 {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1494 char tc = a->ob_descr->typecode;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1495 return PyString_FromStringAndSize(&tc, 1);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1496 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1497
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1498 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1499 array_get_itemsize(arrayobject *a, void *closure)
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1500 {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1501 return PyInt_FromLong((long)a->ob_descr->itemsize);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1502 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1503
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1504 static PyGetSetDef array_getsets [] = {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1505 {"typecode", (getter) array_get_typecode, NULL,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1506 "the typecode character used to create the array"},
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1507 {"itemsize", (getter) array_get_itemsize, NULL,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1508 "the size, in bytes, of one array item"},
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1509 {NULL}
966725095854 Patch 520694: arraymodule.c improvements:
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
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1512 PyMethodDef array_methods[] = {
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1513 {"append", (PyCFunction)array_append, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1514 append_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1515 {"buffer_info", (PyCFunction)array_buffer_info, METH_NOARGS,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1516 buffer_info_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1517 {"byteswap", (PyCFunction)array_byteswap, METH_NOARGS,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1518 byteswap_doc},
31651
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
1519 {"__copy__", (PyCFunction)array_copy, METH_NOARGS,
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
1520 copy_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1521 {"count", (PyCFunction)array_count, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1522 count_doc},
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 39610
diff changeset
1523 {"__deepcopy__",(PyCFunction)array_copy, METH_O,
31651
35cb8114b45c SF bug #910986: copy.copy fails for array.array
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
1524 copy_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1525 {"extend", (PyCFunction)array_extend, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1526 extend_doc},
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1527 {"fromfile", (PyCFunction)array_fromfile, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1528 fromfile_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1529 {"fromlist", (PyCFunction)array_fromlist, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1530 fromlist_doc},
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1531 {"fromstring", (PyCFunction)array_fromstring, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1532 fromstring_doc},
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1533 {"fromunicode", (PyCFunction)array_fromunicode, METH_VARARGS,
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1534 fromunicode_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1535 {"index", (PyCFunction)array_index, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1536 index_doc},
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1537 {"insert", (PyCFunction)array_insert, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1538 insert_doc},
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1539 {"pop", (PyCFunction)array_pop, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1540 pop_doc},
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1541 {"read", (PyCFunction)array_fromfile, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1542 fromfile_doc},
34174
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1543 {"__reduce__", (PyCFunction)array_reduce, METH_NOARGS,
30b97c1bb12d SF #1085304: Make array.array pickle-able
Raymond Hettinger <python@rcn.com>
parents: 33316
diff changeset
1544 array_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1545 {"remove", (PyCFunction)array_remove, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1546 remove_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1547 {"reverse", (PyCFunction)array_reverse, METH_NOARGS,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1548 reverse_doc},
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1549 /* {"sort", (PyCFunction)array_sort, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1550 sort_doc},*/
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1551 {"tofile", (PyCFunction)array_tofile, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1552 tofile_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1553 {"tolist", (PyCFunction)array_tolist, METH_NOARGS,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1554 tolist_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1555 {"tostring", (PyCFunction)array_tostring, METH_NOARGS,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1556 tostring_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1557 {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1558 tounicode_doc},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 24471
diff changeset
1559 {"write", (PyCFunction)array_tofile, METH_O,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1560 tofile_doc},
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1561 {NULL, NULL} /* sentinel */
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1562 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1563
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1564 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
1565 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
1566 {
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1567 char buf[256], typecode;
28742
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1568 PyObject *s, *t, *v = NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1569 Py_ssize_t len;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1570
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1571 len = a->ob_size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1572 typecode = a->ob_descr->typecode;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1573 if (len == 0) {
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1574 PyOS_snprintf(buf, sizeof(buf), "array('%c')", typecode);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1575 return PyString_FromString(buf);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1576 }
28742
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1577
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1578 if (typecode == 'c')
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1579 v = array_tostring(a, NULL);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1580 else if (typecode == 'u')
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1581 v = array_tounicode(a, NULL);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1582 else
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1583 v = array_tolist(a, NULL);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1584 t = PyObject_Repr(v);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1585 Py_XDECREF(v);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1586
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1587 PyOS_snprintf(buf, sizeof(buf), "array('%c', ", typecode);
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1588 s = PyString_FromString(buf);
28742
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1589 PyString_ConcatAndDel(&s, t);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule
Raymond Hettinger <python@rcn.com>
parents: 28320
diff changeset
1590 PyString_ConcatAndDel(&s, PyString_FromString(")"));
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1591 return s;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1592 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1593
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1594 static PyObject*
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1595 array_subscr(arrayobject* self, PyObject* item)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1596 {
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
1597 if (PyIndex_Check(item)) {
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
1598 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
1599 if (i==-1 && PyErr_Occurred()) {
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1600 return NULL;
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
1601 }
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1602 if (i < 0)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1603 i += self->ob_size;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1604 return array_item(self, i);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1605 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1606 else if (PySlice_Check(item)) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1607 Py_ssize_t start, stop, step, slicelength, cur, i;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1608 PyObject* result;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1609 arrayobject* ar;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1610 int itemsize = self->ob_descr->itemsize;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1611
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1612 if (PySlice_GetIndicesEx((PySliceObject*)item, self->ob_size,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1613 &start, &stop, &step, &slicelength) < 0) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1614 return NULL;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1615 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1616
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1617 if (slicelength <= 0) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1618 return newarrayobject(&Arraytype, 0, self->ob_descr);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1619 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1620 else {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1621 result = newarrayobject(&Arraytype, slicelength, self->ob_descr);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1622 if (!result) return NULL;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1623
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1624 ar = (arrayobject*)result;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1625
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1626 for (cur = start, i = 0; i < slicelength;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1627 cur += step, i++) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1628 memcpy(ar->ob_item + i*itemsize,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1629 self->ob_item + cur*itemsize,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1630 itemsize);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1631 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1632
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1633 return result;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1634 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1635 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1636 else {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1637 PyErr_SetString(PyExc_TypeError,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1638 "list indices must be integers");
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1639 return NULL;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1640 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1641 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1642
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1643 static int
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1644 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
1645 {
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
1646 if (PyIndex_Check(item)) {
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
1647 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36877
diff changeset
1648 if (i==-1 && PyErr_Occurred())
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1649 return -1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1650 if (i < 0)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1651 i += self->ob_size;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1652 return array_ass_item(self, i, value);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1653 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1654 else if (PySlice_Check(item)) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1655 Py_ssize_t start, stop, step, slicelength;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1656 int itemsize = self->ob_descr->itemsize;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1657
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1658 if (PySlice_GetIndicesEx((PySliceObject*)item, self->ob_size,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1659 &start, &stop, &step, &slicelength) < 0) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1660 return -1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1661 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1662
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1663 /* treat A[slice(a,b)] = v _exactly_ like A[a:b] = v */
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1664 if (step == 1 && ((PySliceObject*)item)->step == Py_None)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1665 return array_ass_slice(self, start, stop, value);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1666
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1667 if (value == NULL) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1668 /* delete slice */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1669 Py_ssize_t cur, i, extra;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1670
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1671 if (slicelength <= 0)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1672 return 0;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1673
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1674 if (step < 0) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1675 stop = start + 1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1676 start = stop + step*(slicelength - 1) - 1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1677 step = -step;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1678 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1679
24424
f4cd78b3b774 Fix for
Michael W. Hudson <mwh@python.net>
parents: 24283
diff changeset
1680 for (cur = start, i = 0; i < slicelength - 1;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1681 cur += step, i++) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1682 memmove(self->ob_item + (cur - i)*itemsize,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1683 self->ob_item + (cur + 1)*itemsize,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1684 (step - 1) * itemsize);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1685 }
24424
f4cd78b3b774 Fix for
Michael W. Hudson <mwh@python.net>
parents: 24283
diff changeset
1686 extra = self->ob_size - (cur + 1);
f4cd78b3b774 Fix for
Michael W. Hudson <mwh@python.net>
parents: 24283
diff changeset
1687 if (extra > 0) {
f4cd78b3b774 Fix for
Michael W. Hudson <mwh@python.net>
parents: 24283
diff changeset
1688 memmove(self->ob_item + (cur - i)*itemsize,
f4cd78b3b774 Fix for
Michael W. Hudson <mwh@python.net>
parents: 24283
diff changeset
1689 self->ob_item + (cur + 1)*itemsize,
f4cd78b3b774 Fix for
Michael W. Hudson <mwh@python.net>
parents: 24283
diff changeset
1690 extra*itemsize);
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1691 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1692
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1693 self->ob_size -= slicelength;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36882
diff changeset
1694 self->ob_item = (char *)PyMem_REALLOC(self->ob_item,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36882
diff changeset
1695 itemsize*self->ob_size);
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1696 self->allocated = self->ob_size;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1697
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1698 return 0;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1699 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1700 else {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1701 /* assign slice */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1702 Py_ssize_t cur, i;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1703 arrayobject* av;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1704
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1705 if (!array_Check(value)) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1706 PyErr_Format(PyExc_TypeError,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1707 "must assign array (not \"%.200s\") to slice",
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1708 value->ob_type->tp_name);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1709 return -1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1710 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1711
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1712 av = (arrayobject*)value;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1713
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1714 if (av->ob_size != slicelength) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1715 PyErr_Format(PyExc_ValueError,
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1716 "attempt to assign array of size %ld to extended slice of size %ld",
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1717 /*XXX*/(long)av->ob_size, /*XXX*/(long)slicelength);
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1718 return -1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1719 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1720
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1721 if (!slicelength)
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1722 return 0;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1723
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1724 /* protect against a[::-1] = a */
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1725 if (self == av) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1726 value = array_slice(av, 0, av->ob_size);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1727 av = (arrayobject*)value;
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
1728 if (!av)
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39536
diff changeset
1729 return -1;
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1730 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1731 else {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1732 Py_INCREF(value);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1733 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1734
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1735 for (cur = start, i = 0; i < slicelength;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1736 cur += step, i++) {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1737 memcpy(self->ob_item + cur*itemsize,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1738 av->ob_item + i*itemsize,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1739 itemsize);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1740 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1741
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1742 Py_DECREF(value);
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1743
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1744 return 0;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1745 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1746 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1747 else {
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1748 PyErr_SetString(PyExc_TypeError,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1749 "list indices must be integers");
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1750 return -1;
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1751 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1752 }
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1753
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1754 static PyMappingMethods array_as_mapping = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1755 (lenfunc)array_length,
23929
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1756 (binaryfunc)array_subscr,
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1757 (objobjargproc)array_ass_subscr
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1758 };
26ba17b758b9 Fix the bug described in
Michael W. Hudson <mwh@python.net>
parents: 23832
diff changeset
1759
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1760 static const void *emptybuf = "";
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1761
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1762 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1763 array_buffer_getreadbuf(arrayobject *self, Py_ssize_t index, const void **ptr)
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1764 {
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1765 if ( index != 0 ) {
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1766 PyErr_SetString(PyExc_SystemError,
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1767 "Accessing non-existent array segment");
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1768 return -1;
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1769 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1770 *ptr = (void *)self->ob_item;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1771 if (*ptr == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1772 *ptr = emptybuf;
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1773 return self->ob_size*self->ob_descr->itemsize;
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1774 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1775
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1776 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1777 array_buffer_getwritebuf(arrayobject *self, Py_ssize_t index, const void **ptr)
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1778 {
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1779 if ( index != 0 ) {
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1780 PyErr_SetString(PyExc_SystemError,
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1781 "Accessing non-existent array segment");
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1782 return -1;
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1783 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1784 *ptr = (void *)self->ob_item;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1785 if (*ptr == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41434
diff changeset
1786 *ptr = emptybuf;
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1787 return self->ob_size*self->ob_descr->itemsize;
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1788 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1789
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1790 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1791 array_buffer_getsegcount(arrayobject *self, Py_ssize_t *lenp)
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1792 {
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1793 if ( lenp )
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1794 *lenp = self->ob_size*self->ob_descr->itemsize;
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1795 return 1;
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1796 }
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1797
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1798 static PySequenceMethods array_as_sequence = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1799 (lenfunc)array_length, /*sq_length*/
4634
9facbab152cd Removed some unneeded header files and reedited with a fixed-width font
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4628
diff changeset
1800 (binaryfunc)array_concat, /*sq_concat*/
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1801 (ssizeargfunc)array_repeat, /*sq_repeat*/
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1802 (ssizeargfunc)array_item, /*sq_item*/
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1803 (ssizessizeargfunc)array_slice, /*sq_slice*/
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1804 (ssizeobjargproc)array_ass_item, /*sq_ass_item*/
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1805 (ssizessizeobjargproc)array_ass_slice, /*sq_ass_slice*/
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
1806 (objobjproc)array_contains, /*sq_contains*/
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1807 (binaryfunc)array_inplace_concat, /*sq_inplace_concat*/
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1808 (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
1809 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1810
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1811 static PyBufferProcs array_as_buffer = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1812 (readbufferproc)array_buffer_getreadbuf,
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1813 (writebufferproc)array_buffer_getwritebuf,
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1814 (segcountproc)array_buffer_getsegcount,
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1815 NULL,
5410
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1816 };
3b2fda31bf1b Checkin of Jack's buffer mods.
Guido van Rossum <guido@python.org>
parents: 5318
diff changeset
1817
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1818 static PyObject *
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1819 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
1820 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1821 char c;
33316
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1822 PyObject *initial = NULL, *it = NULL;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1823 struct arraydescr *descr;
35449
1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them.
Georg Brandl <georg@python.org>
parents: 34174
diff changeset
1824
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
1825 if (type == &Arraytype && !_PyArg_NoKeywords("array.array()", kwds))
35449
1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them.
Georg Brandl <georg@python.org>
parents: 34174
diff changeset
1826 return NULL;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1827
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1828 if (!PyArg_ParseTuple(args, "c|O:array", &c, &initial))
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1829 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1830
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1831 if (!(initial == NULL || PyList_Check(initial)
28760
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
1832 || PyString_Check(initial) || PyTuple_Check(initial)
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1833 || (c == 'u' && PyUnicode_Check(initial)))) {
33316
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1834 it = PyObject_GetIter(initial);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1835 if (it == NULL)
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1836 return NULL;
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1837 /* We set initial to NULL so that the subsequent code
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1838 will create an empty array of the appropriate type
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1839 and afterwards we can use array_iter_extend to populate
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1840 the array.
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1841 */
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1842 initial = NULL;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1843 }
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1844 for (descr = descriptors; descr->typecode != '\0'; descr++) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1845 if (descr->typecode == c) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1846 PyObject *a;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1847 Py_ssize_t len;
28760
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
1848
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
1849 if (initial == NULL || !(PyList_Check(initial)
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
1850 || PyTuple_Check(initial)))
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1851 len = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1852 else
28760
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
1853 len = PySequence_Size(initial);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1854
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1855 a = newarrayobject(type, len, descr);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1856 if (a == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1857 return NULL;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1858
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1859 if (len > 0) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1860 Py_ssize_t i;
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1861 for (i = 0; i < len; i++) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1862 PyObject *v =
28760
22d177682ae1 SF 686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 28742
diff changeset
1863 PySequence_GetItem(initial, i);
30066
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1864 if (v == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1865 Py_DECREF(a);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1866 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1867 }
30066
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1868 if (setarrayitem(a, i, v) != 0) {
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1869 Py_DECREF(v);
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1870 Py_DECREF(a);
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1871 return NULL;
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1872 }
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1873 Py_DECREF(v);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1874 }
30066
ae0242e3459e SF bug #782369: Massive memory leak in array module
Raymond Hettinger <python@rcn.com>
parents: 29244
diff changeset
1875 } else if (initial != NULL && PyString_Check(initial)) {
36877
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1876 PyObject *t_initial, *v;
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1877 t_initial = PyTuple_Pack(1, initial);
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1878 if (t_initial == NULL) {
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1879 Py_DECREF(a);
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1880 return NULL;
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1881 }
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36689
diff changeset
1882 v = array_fromstring((arrayobject *)a,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1883 t_initial);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1884 Py_DECREF(t_initial);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1885 if (v == NULL) {
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1886 Py_DECREF(a);
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1887 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1888 }
4628
7df5d4cf8277 Renamed Grandly (I think).
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4600
diff changeset
1889 Py_DECREF(v);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1890 } else if (initial != NULL && PyUnicode_Check(initial)) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1891 Py_ssize_t n = PyUnicode_GET_DATA_SIZE(initial);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1892 if (n > 0) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1893 arrayobject *self = (arrayobject *)a;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1894 char *item = self->ob_item;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36882
diff changeset
1895 item = (char *)PyMem_Realloc(item, n);
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1896 if (item == NULL) {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1897 PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1898 Py_DECREF(a);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1899 return NULL;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1900 }
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1901 self->ob_item = item;
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1902 self->ob_size = n / sizeof(Py_UNICODE);
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1903 memcpy(item, PyUnicode_AS_DATA(initial), n);
31659
206d8575f644 Update the array overallocation scheme to match the approach used for
Raymond Hettinger <python@rcn.com>
parents: 31651
diff changeset
1904 self->allocated = self->ob_size;
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1905 }
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1906 }
33316
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1907 if (it != NULL) {
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1908 if (array_iter_extend((arrayobject *)a, it) == -1) {
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1909 Py_DECREF(it);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1910 Py_DECREF(a);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1911 return NULL;
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1912 }
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1913 Py_DECREF(it);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences.
Raymond Hettinger <python@rcn.com>
parents: 32159
diff changeset
1914 }
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1915 return a;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1916 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1917 }
4634
9facbab152cd Removed some unneeded header files and reedited with a fixed-width font
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4628
diff changeset
1918 PyErr_SetString(PyExc_ValueError,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1919 "bad typecode (must be c, b, B, u, h, H, i, I, l, L, f or d)");
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1920 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1921 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1922
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1923
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1924 PyDoc_STRVAR(module_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1925 "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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1932 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
1933 'c' character 1 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1934 'b' signed integer 1 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1935 'B' unsigned integer 1 \n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1936 'u' Unicode character 2 \n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1937 'h' signed integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1938 'H' unsigned integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1939 'i' signed integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1940 'I' unsigned integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1941 'l' signed integer 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1942 'L' unsigned integer 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1943 'f' floating point 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1944 'd' floating point 8 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1945 \n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1946 The constructor is:\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1947 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1948 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
1949 ");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1950
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23433
diff changeset
1951 PyDoc_STRVAR(arraytype_doc,
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1952 "array(typecode [, initializer]) -> array\n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1953 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1954 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
1955 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
1956 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
1957 \n\
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1958 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
1959 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
1960 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1961 Methods:\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1962 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1963 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
1964 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
1965 byteswap() -- byteswap all the items of the array\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1966 count() -- return number of occurences of an object\n\
31660
35f56e08727f SF feature request #686323: Minor array module enhancements
Raymond Hettinger <python@rcn.com>
parents: 31659
diff changeset
1967 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
1968 fromfile() -- read items from a file object\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1969 fromlist() -- append items from the list\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1970 fromstring() -- append items from the string\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1971 index() -- return index of first occurence of an object\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1972 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
1973 pop() -- remove and return item (default last)\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1974 read() -- DEPRECATED, use fromfile()\n\
13772
eea51275acbf added count, extend, index, pop and remove to arraymodule
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13651
diff changeset
1975 remove() -- remove first occurence of an object\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1976 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
1977 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
1978 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
1979 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
1980 write() -- DEPRECATED, use tofile()\n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1981 \n\
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1982 Attributes:\n\
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1983 \n\
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1984 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
1985 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
1986 ");
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1987
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
1988 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
1989
24283
c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone.
Tim Peters <tim.peters@gmail.com>
parents: 24280
diff changeset
1990 static PyTypeObject Arraytype = {
11711
6546ea06e157 Patch from Paul Sokolovsky <Paul.Sokolovsky@technologist.com>:
Fred Drake <fdrake@acm.org>
parents: 11673
diff changeset
1991 PyObject_HEAD_INIT(NULL)
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1992 0,
21313
91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying
Guido van Rossum <guido@python.org>
parents: 21073
diff changeset
1993 "array.array",
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1994 sizeof(arrayobject),
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
1995 0,
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1996 (destructor)array_dealloc, /* tp_dealloc */
22124
edf05c69bbf3 Remove tp_print.
Martin v. Löwis <martin@v.loewis.de>
parents: 22098
diff changeset
1997 0, /* tp_print */
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
1998 0, /* tp_getattr */
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
1999 0, /* tp_setattr */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2000 0, /* tp_compare */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2001 (reprfunc)array_repr, /* tp_repr */
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
2002 0, /* tp_as_number*/
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
2003 &array_as_sequence, /* tp_as_sequence*/
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
2004 &array_as_mapping, /* tp_as_mapping*/
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2005 0, /* tp_hash */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2006 0, /* tp_call */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2007 0, /* tp_str */
27104
2443c557cbc3 Patch #661760: Cygwin auto-import module patch
Jason Tishler <jason@tishler.net>
parents: 27044
diff changeset
2008 PyObject_GenericGetAttr, /* tp_getattro */
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2009 0, /* tp_setattro */
18036
a02085871c3f Make it possible to find the use of tp_as_buffer here with a global search.
Tim Peters <tim.peters@gmail.com>
parents: 16268
diff changeset
2010 &array_as_buffer, /* tp_as_buffer*/
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
2011 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
15975
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2012 arraytype_doc, /* tp_doc */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2013 0, /* tp_traverse */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2014 0, /* tp_clear */
54205828b1e1 Same treatment as listobject.c:
Guido van Rossum <guido@python.org>
parents: 15396
diff changeset
2015 array_richcompare, /* tp_richcompare */
32159
2c169ca5fa69 Add weakref support to array.array and file objects.
Raymond Hettinger <python@rcn.com>
parents: 31660
diff changeset
2016 offsetof(arrayobject, weakreflist), /* tp_weaklistoffset */
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2017 (getiterfunc)array_iter, /* tp_iter */
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2018 0, /* tp_iternext */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2019 array_methods, /* tp_methods */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2020 0, /* tp_members */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2021 array_getsets, /* tp_getset */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2022 0, /* tp_base */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2023 0, /* tp_dict */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2024 0, /* tp_descr_get */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2025 0, /* tp_descr_set */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2026 0, /* tp_dictoffset */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2027 0, /* tp_init */
27104
2443c557cbc3 Patch #661760: Cygwin auto-import module patch
Jason Tishler <jason@tishler.net>
parents: 27044
diff changeset
2028 PyType_GenericAlloc, /* tp_alloc */
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2029 array_new, /* tp_new */
27104
2443c557cbc3 Patch #661760: Cygwin auto-import module patch
Jason Tishler <jason@tishler.net>
parents: 27044
diff changeset
2030 PyObject_Del, /* tp_free */
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2031 };
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2032
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2033
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2034 /*********************** Array Iterator **************************/
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2035
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2036 typedef struct {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2037 PyObject_HEAD
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
2038 Py_ssize_t index;
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2039 arrayobject *ao;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
2040 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
2041 } arrayiterobject;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2042
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2043 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
2044
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2045 #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
2046
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2047 static PyObject *
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2048 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
2049 {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2050 arrayiterobject *it;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2051
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2052 if (!array_Check(ao)) {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2053 PyErr_BadInternalCall();
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2054 return NULL;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2055 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2056
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2057 it = PyObject_GC_New(arrayiterobject, &PyArrayIter_Type);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2058 if (it == NULL)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2059 return NULL;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2060
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2061 Py_INCREF(ao);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2062 it->ao = ao;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2063 it->index = 0;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2064 it->getitem = ao->ob_descr->getitem;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2065 PyObject_GC_Track(it);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2066 return (PyObject *)it;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2067 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2068
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2069 static PyObject *
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2070 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
2071 {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2072 assert(PyArrayIter_Check(it));
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2073 if (it->index < it->ao->ob_size)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2074 return (*it->getitem)(it->ao, it->index++);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2075 return NULL;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2076 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2077
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2078 static void
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2079 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
2080 {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2081 PyObject_GC_UnTrack(it);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2082 Py_XDECREF(it->ao);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2083 PyObject_GC_Del(it);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2084 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2085
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2086 static int
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2087 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
2088 {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36882
diff changeset
2089 Py_VISIT(it->ao);
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2090 return 0;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2091 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2092
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2093 static PyTypeObject PyArrayIter_Type = {
27804
8d1b272c9e71 Patch #676837: Cygwin array module patch
Jason Tishler <jason@tishler.net>
parents: 27128
diff changeset
2094 PyObject_HEAD_INIT(NULL)
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2095 0, /* ob_size */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2096 "arrayiterator", /* tp_name */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2097 sizeof(arrayiterobject), /* tp_basicsize */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2098 0, /* tp_itemsize */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2099 /* methods */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2100 (destructor)arrayiter_dealloc, /* tp_dealloc */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2101 0, /* tp_print */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2102 0, /* tp_getattr */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2103 0, /* tp_setattr */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2104 0, /* tp_compare */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2105 0, /* tp_repr */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2106 0, /* tp_as_number */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2107 0, /* tp_as_sequence */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2108 0, /* tp_as_mapping */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2109 0, /* tp_hash */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2110 0, /* tp_call */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2111 0, /* tp_str */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2112 PyObject_GenericGetAttr, /* tp_getattro */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2113 0, /* tp_setattro */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2114 0, /* tp_as_buffer */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2115 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2116 0, /* tp_doc */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2117 (traverseproc)arrayiter_traverse, /* tp_traverse */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2118 0, /* tp_clear */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2119 0, /* tp_richcompare */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2120 0, /* tp_weaklistoffset */
28320
fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter
Raymond Hettinger <python@rcn.com>
parents: 28309
diff changeset
2121 PyObject_SelfIter, /* tp_iter */
27128
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2122 (iternextfunc)arrayiter_next, /* tp_iternext */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2123 0, /* tp_methods */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2124 };
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2125
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2126
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2127 /*********************** Install Module **************************/
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots
Raymond Hettinger <python@rcn.com>
parents: 27104
diff changeset
2128
22098
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2129 /* No functions in array module. */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2130 static PyMethodDef a_methods[] = {
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2131 {NULL, NULL, 0, NULL} /* Sentinel */
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2132 };
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2133
966725095854 Patch 520694: arraymodule.c improvements:
Martin v. Löwis <martin@v.loewis.de>
parents: 21313
diff changeset
2134
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 24424
diff changeset
2135 PyMODINIT_FUNC
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13590
diff changeset
2136 initarray(void)
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2137 {
22722
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2138 PyObject *m;
11711
6546ea06e157 Patch from Paul Sokolovsky <Paul.Sokolovsky@technologist.com>:
Fred Drake <fdrake@acm.org>
parents: 11673
diff changeset
2139
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
2140 if (PyType_Ready(&Arraytype) < 0)
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
2141 return;
27804
8d1b272c9e71 Patch #676837: Cygwin array module patch
Jason Tishler <jason@tishler.net>
parents: 27128
diff changeset
2142 PyArrayIter_Type.ob_type = &PyType_Type;
9343
4f78504a5f81 Doc strings by Chris Petrilli.
Guido van Rossum <guido@python.org>
parents: 5982
diff changeset
2143 m = Py_InitModule3("array", a_methods, module_doc);
36324
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35449
diff changeset
2144 if (m == NULL)
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35449
diff changeset
2145 return;
22722
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2146
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2147 Py_INCREF((PyObject *)&Arraytype);
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2148 PyModule_AddObject(m, "ArrayType", (PyObject *)&Arraytype);
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2149 Py_INCREF((PyObject *)&Arraytype);
ba68dda15df0 Use the PyModule_*() API instead of manipulating the module dictionary
Fred Drake <fdrake@acm.org>
parents: 22124
diff changeset
2150 PyModule_AddObject(m, "array", (PyObject *)&Arraytype);
9362
50e0631cf117 No need to issue a fatal error if the PyDict_SetItemString fails; the
Guido van Rossum <guido@python.org>
parents: 9360
diff changeset
2151 /* No need to check the error here, the caller will do that */
1235
87ed00a62d31 Added new module "array" (for now optional) defining array objects.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2152 }