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annotate Modules/operator.c @ 25135:0f0016632be4 legacy-trunk

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_formatparam(), set_param(): RFC 2231 encoding support by Oleg Broytmann in SF patch #600096. Specifically, the former function now encodes the triplets, while the latter adds optional charset and language arguments.
author Barry Warsaw <barry@python.org>
date Fri, 06 Sep 2002 03:55:04 +0000
parents d797cfa8ca0d
children e094a03a80ff
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ed1ba37a46b7 Patch #568124: Add doc string macros.
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1
ed1ba37a46b7 Patch #568124: Add doc string macros.
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2 #include "Python.h"
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3
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4 PyDoc_STRVAR(operator_doc,
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5 "Operator interface.\n\
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6 \n\
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7 This module exports a set of functions implemented in C corresponding\n\
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8 to the intrinsic operators of Python. For example, operator.add(x, y)\n\
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9 is equivalent to the expression x+y. The function names are those\n\
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10 used for special class methods; variants without leading and trailing\n\
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11 '__' are also provided for convenience.");
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12
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13 #define spam1(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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14 PyObject *a1; \
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15 if(! PyArg_ParseTuple(a,"O:" #OP,&a1)) return NULL; \
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16 return AOP(a1); }
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17
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18 #define spam2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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19 PyObject *a1, *a2; \
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20 if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
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21 return AOP(a1,a2); }
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22
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23 #define spamoi(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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24 PyObject *a1; int a2; \
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25 if(! PyArg_ParseTuple(a,"Oi:" #OP,&a1,&a2)) return NULL; \
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26 return AOP(a1,a2); }
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27
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28 #define spam2n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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29 PyObject *a1, *a2; \
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30 if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
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31 if(-1 == AOP(a1,a2)) return NULL; \
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32 Py_INCREF(Py_None); \
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33 return Py_None; }
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34
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35 #define spam3n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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36 PyObject *a1, *a2, *a3; \
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37 if(! PyArg_ParseTuple(a,"OOO:" #OP,&a1,&a2,&a3)) return NULL; \
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38 if(-1 == AOP(a1,a2,a3)) return NULL; \
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39 Py_INCREF(Py_None); \
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40 return Py_None; }
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41
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42 #define spami(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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43 PyObject *a1; long r; \
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44 if(! PyArg_ParseTuple(a,"O:" #OP,&a1)) return NULL; \
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45 if(-1 == (r=AOP(a1))) return NULL; \
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46 return PyBool_FromLong(r); }
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47
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48 #define spami2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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49 PyObject *a1, *a2; long r; \
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50 if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
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51 if(-1 == (r=AOP(a1,a2))) return NULL; \
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52 return PyInt_FromLong(r); }
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53
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54 #define spami2b(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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55 PyObject *a1, *a2; long r; \
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56 if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
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57 if(-1 == (r=AOP(a1,a2))) return NULL; \
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58 return PyBool_FromLong(r); }
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59
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60 #define spamrc(OP,A) static PyObject *OP(PyObject *s, PyObject *a) { \
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61 PyObject *a1, *a2; \
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62 if(! PyArg_ParseTuple(a,"OO:" #OP,&a1,&a2)) return NULL; \
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63 return PyObject_RichCompare(a1,a2,A); }
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64
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65 spami(isCallable , PyCallable_Check)
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66 spami(isNumberType , PyNumber_Check)
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67 spami(truth , PyObject_IsTrue)
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68 spam2(op_add , PyNumber_Add)
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69 spam2(op_sub , PyNumber_Subtract)
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70 spam2(op_mul , PyNumber_Multiply)
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71 spam2(op_div , PyNumber_Divide)
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72 spam2(op_floordiv , PyNumber_FloorDivide)
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73 spam2(op_truediv , PyNumber_TrueDivide)
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74 spam2(op_mod , PyNumber_Remainder)
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75 spam1(op_neg , PyNumber_Negative)
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76 spam1(op_pos , PyNumber_Positive)
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77 spam1(op_abs , PyNumber_Absolute)
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78 spam1(op_inv , PyNumber_Invert)
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79 spam1(op_invert , PyNumber_Invert)
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80 spam2(op_lshift , PyNumber_Lshift)
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81 spam2(op_rshift , PyNumber_Rshift)
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82 spami(op_not_ , PyObject_Not)
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83 spam2(op_and_ , PyNumber_And)
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84 spam2(op_xor , PyNumber_Xor)
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85 spam2(op_or_ , PyNumber_Or)
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86 spami(isSequenceType , PySequence_Check)
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87 spam2(op_concat , PySequence_Concat)
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88 spamoi(op_repeat , PySequence_Repeat)
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89 spami2b(op_contains , PySequence_Contains)
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90 spami2b(sequenceIncludes, PySequence_Contains)
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91 spami2(indexOf , PySequence_Index)
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92 spami2(countOf , PySequence_Count)
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93 spami(isMappingType , PyMapping_Check)
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94 spam2(op_getitem , PyObject_GetItem)
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95 spam2n(op_delitem , PyObject_DelItem)
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96 spam3n(op_setitem , PyObject_SetItem)
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97 spamrc(op_lt , Py_LT)
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98 spamrc(op_le , Py_LE)
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99 spamrc(op_eq , Py_EQ)
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100 spamrc(op_ne , Py_NE)
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101 spamrc(op_gt , Py_GT)
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102 spamrc(op_ge , Py_GE)
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103
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104 static PyObject*
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105 op_pow(PyObject *s, PyObject *a)
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106 {
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107 PyObject *a1, *a2;
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108 if (PyArg_ParseTuple(a,"OO:pow",&a1,&a2))
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109 return PyNumber_Power(a1, a2, Py_None);
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110 return NULL;
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111 }
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112
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113 static PyObject*
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114 op_getslice(PyObject *s, PyObject *a)
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115 {
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116 PyObject *a1;
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117 int a2,a3;
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118
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119 if (!PyArg_ParseTuple(a,"Oii:getslice",&a1,&a2,&a3))
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120 return NULL;
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121 return PySequence_GetSlice(a1,a2,a3);
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122 }
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123
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124 static PyObject*
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125 op_setslice(PyObject *s, PyObject *a)
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126 {
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127 PyObject *a1, *a4;
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128 int a2,a3;
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129
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130 if (!PyArg_ParseTuple(a,"OiiO:setslice",&a1,&a2,&a3,&a4))
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131 return NULL;
3844
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132
4775
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diff changeset
133 if (-1 == PySequence_SetSlice(a1,a2,a3,a4))
0d0c413b6f25 Tabification changes only; the module was already newly named.
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parents: 4580
diff changeset
134 return NULL;
3844
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parents:
diff changeset
135
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136 Py_INCREF(Py_None);
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137 return Py_None;
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diff changeset
138 }
0d54a14ef0b8 Operators like __add__
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diff changeset
139
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diff changeset
140 static PyObject*
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parents: 9588
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141 op_delslice(PyObject *s, PyObject *a)
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142 {
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parents: 4580
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143 PyObject *a1;
6183
64e194c5f854 Some long variables should have been int to match the 'i' format specifier.
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parents: 4775
diff changeset
144 int a2,a3;
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parents: 4033
diff changeset
145
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parents: 13651
diff changeset
146 if(! PyArg_ParseTuple(a,"Oii:delslice",&a1,&a2,&a3))
4775
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parents: 4580
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147 return NULL;
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parents: 4033
diff changeset
148
4775
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parents: 4580
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149 if (-1 == PySequence_DelSlice(a1,a2,a3))
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parents: 4580
diff changeset
150 return NULL;
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parents: 4033
diff changeset
151
4775
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parents: 4580
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152 Py_INCREF(Py_None);
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parents: 4580
diff changeset
153 return Py_None;
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Guido van Rossum <guido@python.org>
parents: 4033
diff changeset
154 }
9f70d995d027 Added delslice and delitem.
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parents: 4033
diff changeset
155
3844
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Guido van Rossum <guido@python.org>
parents:
diff changeset
156 #undef spam1
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parents:
diff changeset
157 #undef spam2
24796
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Neal Norwitz <nnorwitz@gmail.com>
parents: 24471
diff changeset
158 #define spam1(OP,DOC) {#OP, OP, METH_VARARGS, PyDoc_STR(DOC)},
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Fred Drake <fdrake@acm.org>
parents: 9588
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159 #define spam2(OP,ALTOP,DOC) {#OP, op_##OP, METH_VARARGS, DOC}, \
24796
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Neal Norwitz <nnorwitz@gmail.com>
parents: 24471
diff changeset
160 {#ALTOP, op_##OP, METH_VARARGS, PyDoc_STR(DOC)},
3844
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parents:
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161
0d54a14ef0b8 Operators like __add__
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parents:
diff changeset
162 static struct PyMethodDef operator_methods[] = {
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parents:
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163
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
164 spam1(isCallable,
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parents: 8406
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165 "isCallable(a) -- Same as callable(a).")
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
166 spam1(isNumberType,
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Guido van Rossum <guido@python.org>
parents: 19111
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167 "isNumberType(a) -- Return True if a has a numeric type, False otherwise.")
4033
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
168 spam1(isSequenceType,
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Guido van Rossum <guido@python.org>
parents: 19111
diff changeset
169 "isSequenceType(a) -- Return True if a has a sequence type, False otherwise.")
4033
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
170 spam1(truth,
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Guido van Rossum <guido@python.org>
parents: 19111
diff changeset
171 "truth(a) -- Return True if a is true, False otherwise.")
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Fred Drake <fdrake@acm.org>
parents: 13651
diff changeset
172 spam2(contains,__contains__,
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
173 "contains(a, b) -- Same as b in a (note reversed operands).")
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0bd746bc7627 Add invert() and __invert__() as aliases for inv()/__inv__().
Fred Drake <fdrake@acm.org>
parents: 13651
diff changeset
174 spam1(sequenceIncludes,
0bd746bc7627 Add invert() and __invert__() as aliases for inv()/__inv__().
Fred Drake <fdrake@acm.org>
parents: 13651
diff changeset
175 "sequenceIncludes(a, b) -- Same as b in a (note reversed operands; deprecated).")
4033
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
176 spam1(indexOf,
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parents: 8406
diff changeset
177 "indexOf(a, b) -- Return the first index of b in a.")
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
178 spam1(countOf,
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
179 "countOf(a, b) -- Return the number of times b occurs in a.")
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parents: 3976
diff changeset
180 spam1(isMappingType,
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Guido van Rossum <guido@python.org>
parents: 19111
diff changeset
181 "isMappingType(a) -- Return True if a has a mapping type, False otherwise.")
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parents:
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182
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diff changeset
183 spam2(add,__add__, "add(a, b) -- Same as a + b.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
184 spam2(sub,__sub__, "sub(a, b) -- Same as a - b.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
185 spam2(mul,__mul__, "mul(a, b) -- Same as a * b.")
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Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
186 spam2(div,__div__, "div(a, b) -- Same as a / b when __future__.division is not in effect.")
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Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
187 spam2(floordiv,__floordiv__, "floordiv(a, b) -- Same as a // b.")
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Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
188 spam2(truediv,__truediv__, "truediv(a, b) -- Same as a / b when __future__.division is in effect.")
8414
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
189 spam2(mod,__mod__, "mod(a, b) -- Same as a % b.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
190 spam2(neg,__neg__, "neg(a) -- Same as -a.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
191 spam2(pos,__pos__, "pos(a) -- Same as +a.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
192 spam2(abs,__abs__, "abs(a) -- Same as abs(a).")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
193 spam2(inv,__inv__, "inv(a) -- Same as ~a.")
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Fred Drake <fdrake@acm.org>
parents: 13651
diff changeset
194 spam2(invert,__invert__, "invert(a) -- Same as ~a.")
8414
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
195 spam2(lshift,__lshift__, "lshift(a, b) -- Same as a << b.")
4064b6729537 Add an alias (and preferred name) "contains" for "sequenceIncludes".
Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
196 spam2(rshift,__rshift__, "rshift(a, b) -- Same as a >> b.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
197 spam2(not_,__not__, "not_(a) -- Same as not a.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
198 spam2(and_,__and__, "and_(a, b) -- Same as a & b.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
199 spam2(xor,__xor__, "xor(a, b) -- Same as a ^ b.")
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
200 spam2(or_,__or__, "or_(a, b) -- Same as a | b.")
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
201 spam2(concat,__concat__,
8414
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
202 "concat(a, b) -- Same as a + b, for a and b sequences.")
4033
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
203 spam2(repeat,__repeat__,
4580
11bd4f497742 Correct typo -- repeat implements *, not +.
Guido van Rossum <guido@python.org>
parents: 4104
diff changeset
204 "repeat(a, b) -- Return a * b, where a is a sequence, and b is an integer.")
4033
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
205 spam2(getitem,__getitem__,
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parents: 8406
diff changeset
206 "getitem(a, b) -- Same as a[b].")
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
207 spam2(setitem,__setitem__,
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
208 "setitem(a, b, c) -- Same as a[b] = c.")
4089
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Guido van Rossum <guido@python.org>
parents: 4033
diff changeset
209 spam2(delitem,__delitem__,
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
210 "delitem(a, b) -- Same as del a[b].")
24887
d797cfa8ca0d Added __pow__(a,b) to the operator module. Completes the pattern of
Raymond Hettinger <python@rcn.com>
parents: 24796
diff changeset
211 spam2(pow,__pow__, "pow(a, b) -- Same as a**b.")
4033
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
212 spam2(getslice,__getslice__,
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
213 "getslice(a, b, c) -- Same as a[b:c].")
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
214 spam2(setslice,__setslice__,
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
215 "setslice(a, b, c, d) -- Same as a[b:c] = d.")
4089
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Guido van Rossum <guido@python.org>
parents: 4033
diff changeset
216 spam2(delslice,__delslice__,
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
217 "delslice(a, b, c) -- Same as del a[b:c].")
19111
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Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
218 spam2(lt,__lt__, "lt(a, b) -- Same as a<b.")
6ba441507220 Add wrappers around the rich-comparison operations.
Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
219 spam2(le,__le__, "le(a, b) -- Same as a<=b.")
6ba441507220 Add wrappers around the rich-comparison operations.
Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
220 spam2(eq,__eq__, "eq(a, b) -- Same as a==b.")
6ba441507220 Add wrappers around the rich-comparison operations.
Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
221 spam2(ne,__ne__, "ne(a, b) -- Same as a!=b.")
6ba441507220 Add wrappers around the rich-comparison operations.
Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
222 spam2(gt,__gt__, "gt(a, b) -- Same as a>b.")
6ba441507220 Add wrappers around the rich-comparison operations.
Fred Drake <fdrake@acm.org>
parents: 14654
diff changeset
223 spam2(ge,__ge__, "ge(a, b) -- Same as a>=b.")
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Guido van Rossum <guido@python.org>
parents: 3976
diff changeset
224
3844
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parents:
diff changeset
225 {NULL, NULL} /* sentinel */
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
226
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
227 };
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
228
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
229
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
230 /* Initialization function for the module (*must* be called initoperator) */
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
231
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
232 PyMODINIT_FUNC
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13424
diff changeset
233 initoperator(void)
3844
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Guido van Rossum <guido@python.org>
parents:
diff changeset
234 {
4775
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Barry Warsaw <barry@python.org>
parents: 4580
diff changeset
235 /* Create the module and add the functions */
8414
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Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
236 Py_InitModule4("operator", operator_methods, operator_doc,
4064b6729537 Add an alias (and preferred name) "contains" for "sequenceIncludes".
Guido van Rossum <guido@python.org>
parents: 8406
diff changeset
237 (PyObject*)NULL, PYTHON_API_VERSION);
3844
0d54a14ef0b8 Operators like __add__
Guido van Rossum <guido@python.org>
parents:
diff changeset
238 }