Mercurial > cpython-lru_cache-weakref

annotate Python/bltinmodule.c @ 45919:855c4290dfd7 legacy-trunk

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Fix the tcl-8.4.18.1 path and make sure we cd into the right directory when building tcl/tk.
author Trent Nelson <trent.nelson@snakebite.org>
date Wed, 19 Mar 2008 08:06:03 +0000
parents 727f743cf630
children e665a0b16da0
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1 /* Built-in functions */
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2
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3 #include "Python.h"
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4
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5 #include "node.h"
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6 #include "code.h"
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7 #include "eval.h"
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8
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9 #include <ctype.h>
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10
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11 #ifdef RISCOS
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12 #include "unixstuff.h"
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13 #endif
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14
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15 /* The default encoding used by the platform file system APIs
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16 Can remain NULL for all platforms that don't have such a concept
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17 */
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18 #if defined(MS_WINDOWS) && defined(HAVE_USABLE_WCHAR_T)
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19 const char *Py_FileSystemDefaultEncoding = "mbcs";
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20 #elif defined(__APPLE__)
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21 const char *Py_FileSystemDefaultEncoding = "utf-8";
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22 #else
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23 const char *Py_FileSystemDefaultEncoding = NULL; /* use default */
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24 #endif
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25
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26 /* Forward */
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27 static PyObject *filterstring(PyObject *, PyObject *);
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28 #ifdef Py_USING_UNICODE
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29 static PyObject *filterunicode(PyObject *, PyObject *);
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30 #endif
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31 static PyObject *filtertuple (PyObject *, PyObject *);
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32
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33 static PyObject *
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34 builtin___import__(PyObject *self, PyObject *args, PyObject *kwds)
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35 {
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36 static char *kwlist[] = {"name", "globals", "locals", "fromlist",
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37 "level", 0};
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38 char *name;
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39 PyObject *globals = NULL;
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40 PyObject *locals = NULL;
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41 PyObject *fromlist = NULL;
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42 int level = -1;
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43
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44 if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|OOOi:__import__",
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45 kwlist, &name, &globals, &locals, &fromlist, &level))
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46 return NULL;
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47 return PyImport_ImportModuleLevel(name, globals, locals,
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48 fromlist, level);
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49 }
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50
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51 PyDoc_STRVAR(import_doc,
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52 "__import__(name, globals={}, locals={}, fromlist=[], level=-1) -> module\n\
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53 \n\
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54 Import a module. The globals are only used to determine the context;\n\
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55 they are not modified. The locals are currently unused. The fromlist\n\
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56 should be a list of names to emulate ``from name import ...'', or an\n\
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57 empty list to emulate ``import name''.\n\
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58 When importing a module from a package, note that __import__('A.B', ...)\n\
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59 returns package A when fromlist is empty, but its submodule B when\n\
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60 fromlist is not empty. Level is used to determine whether to perform \n\
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61 absolute or relative imports. -1 is the original strategy of attempting\n\
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62 both absolute and relative imports, 0 is absolute, a positive number\n\
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63 is the number of parent directories to search relative to the current module.");
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64
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65
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66 static PyObject *
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67 builtin_abs(PyObject *self, PyObject *v)
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68 {
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69 return PyNumber_Absolute(v);
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70 }
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71
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72 PyDoc_STRVAR(abs_doc,
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73 "abs(number) -> number\n\
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74 \n\
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75 Return the absolute value of the argument.");
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76
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77 static PyObject *
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78 builtin_all(PyObject *self, PyObject *v)
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79 {
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80 PyObject *it, *item;
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81 PyObject *(*iternext)(PyObject *);
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82 int cmp;
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83
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84 it = PyObject_GetIter(v);
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85 if (it == NULL)
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86 return NULL;
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87 iternext = *Py_TYPE(it)->tp_iternext;
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88
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89 for (;;) {
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90 item = iternext(it);
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91 if (item == NULL)
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92 break;
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93 cmp = PyObject_IsTrue(item);
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94 Py_DECREF(item);
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95 if (cmp < 0) {
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96 Py_DECREF(it);
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97 return NULL;
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98 }
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99 if (cmp == 0) {
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100 Py_DECREF(it);
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101 Py_RETURN_FALSE;
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102 }
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103 }
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104 Py_DECREF(it);
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105 if (PyErr_Occurred()) {
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106 if (PyErr_ExceptionMatches(PyExc_StopIteration))
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107 PyErr_Clear();
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108 else
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109 return NULL;
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110 }
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111 Py_RETURN_TRUE;
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112 }
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113
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114 PyDoc_STRVAR(all_doc,
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115 "all(iterable) -> bool\n\
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116 \n\
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117 Return True if bool(x) is True for all values x in the iterable.");
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118
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119 static PyObject *
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120 builtin_any(PyObject *self, PyObject *v)
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121 {
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122 PyObject *it, *item;
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123 PyObject *(*iternext)(PyObject *);
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124 int cmp;
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125
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126 it = PyObject_GetIter(v);
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127 if (it == NULL)
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128 return NULL;
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129 iternext = *Py_TYPE(it)->tp_iternext;
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diff changeset
130
44367
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Guido van Rossum <guido@python.org>
parents: 44222
diff changeset
131 for (;;) {
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diff changeset
132 item = iternext(it);
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diff changeset
133 if (item == NULL)
eaefb93b5ed4 Improve performance of built-in any()/all() by avoiding PyIter_Next() --
Guido van Rossum <guido@python.org>
parents: 44222
diff changeset
134 break;
eaefb93b5ed4 Improve performance of built-in any()/all() by avoiding PyIter_Next() --
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diff changeset
135 cmp = PyObject_IsTrue(item);
34736
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diff changeset
136 Py_DECREF(item);
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diff changeset
137 if (cmp < 0) {
81b5a13fa38a Add two new functions, any() and all().
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diff changeset
138 Py_DECREF(it);
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diff changeset
139 return NULL;
81b5a13fa38a Add two new functions, any() and all().
Raymond Hettinger <python@rcn.com>
parents: 34123
diff changeset
140 }
81b5a13fa38a Add two new functions, any() and all().
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parents: 34123
diff changeset
141 if (cmp == 1) {
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diff changeset
142 Py_DECREF(it);
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diff changeset
143 Py_RETURN_TRUE;
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parents: 34123
diff changeset
144 }
81b5a13fa38a Add two new functions, any() and all().
Raymond Hettinger <python@rcn.com>
parents: 34123
diff changeset
145 }
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diff changeset
146 Py_DECREF(it);
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diff changeset
147 if (PyErr_Occurred()) {
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diff changeset
148 if (PyErr_ExceptionMatches(PyExc_StopIteration))
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diff changeset
149 PyErr_Clear();
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diff changeset
150 else
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diff changeset
151 return NULL;
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parents: 44222
diff changeset
152 }
34736
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153 Py_RETURN_FALSE;
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154 }
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diff changeset
155
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diff changeset
156 PyDoc_STRVAR(any_doc,
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diff changeset
157 "any(iterable) -> bool\n\
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diff changeset
158 \n\
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diff changeset
159 Return True if bool(x) is True for any x in the iterable.");
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diff changeset
160
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parents: 5317
diff changeset
161 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
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162 builtin_apply(PyObject *self, PyObject *args)
480
c64c6702549d Added "apply"; added "SyntaxError"; changed table lay-out.
Guido van Rossum <guido@python.org>
parents: 463
diff changeset
163 {
5373
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diff changeset
164 PyObject *func, *alist = NULL, *kwdict = NULL;
9188
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
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165 PyObject *t = NULL, *retval = NULL;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
166
41832
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Neal Norwitz <nnorwitz@gmail.com>
parents: 41168
diff changeset
167 if (Py_Py3kWarningFlag &&
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parents: 41168
diff changeset
168 PyErr_Warn(PyExc_DeprecationWarning,
45499
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parents: 45496
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169 "apply() not supported in 3.x. Use func(*args, **kwargs).") < 0)
41832
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170 return NULL;
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parents: 41168
diff changeset
171
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172 if (!PyArg_UnpackTuple(args, "apply", 1, 3, &func, &alist, &kwdict))
480
c64c6702549d Added "apply"; added "SyntaxError"; changed table lay-out.
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parents: 463
diff changeset
173 return NULL;
9188
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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diff changeset
174 if (alist != NULL) {
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
175 if (!PyTuple_Check(alist)) {
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
176 if (!PySequence_Check(alist)) {
16017
7234d7c3c29f clearer error messages for apply() and "no locals"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16011
diff changeset
177 PyErr_Format(PyExc_TypeError,
28740
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Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
178 "apply() arg 2 expected sequence, found %s",
16017
7234d7c3c29f clearer error messages for apply() and "no locals"
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parents: 16011
diff changeset
179 alist->ob_type->tp_name);
9188
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180 return NULL;
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
181 }
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
182 t = PySequence_Tuple(alist);
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
183 if (t == NULL)
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
184 return NULL;
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
185 alist = t;
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
186 }
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
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parents: 1444
diff changeset
187 }
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parents: 5317
diff changeset
188 if (kwdict != NULL && !PyDict_Check(kwdict)) {
16017
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16011
diff changeset
189 PyErr_Format(PyExc_TypeError,
7234d7c3c29f clearer error messages for apply() and "no locals"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16011
diff changeset
190 "apply() arg 3 expected dictionary, found %s",
7234d7c3c29f clearer error messages for apply() and "no locals"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16011
diff changeset
191 kwdict->ob_type->tp_name);
9188
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
192 goto finally;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2824
diff changeset
193 }
9188
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
194 retval = PyEval_CallObjectWithKeywords(func, alist, kwdict);
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
195 finally:
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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diff changeset
196 Py_XDECREF(t);
a1672e775f33 builtin_apply(): Second argument type check is relaxed to allow any sequence.
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parents: 9112
diff changeset
197 return retval;
480
c64c6702549d Added "apply"; added "SyntaxError"; changed table lay-out.
Guido van Rossum <guido@python.org>
parents: 463
diff changeset
198 }
c64c6702549d Added "apply"; added "SyntaxError"; changed table lay-out.
Guido van Rossum <guido@python.org>
parents: 463
diff changeset
199
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
200 PyDoc_STRVAR(apply_doc,
15832
0ae389e935fc Update the docstring for apply() so that "args" is marked as optional
Fred Drake <fdrake@acm.org>
parents: 15829
diff changeset
201 "apply(object[, args[, kwargs]]) -> value\n\
8561
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Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
202 \n\
11621
0ec803cbd872 Adjusted apply() docstring based on comments from Gerrit Holl
Fred Drake <fdrake@acm.org>
parents: 11383
diff changeset
203 Call a callable object with positional arguments taken from the tuple args,\n\
0ec803cbd872 Adjusted apply() docstring based on comments from Gerrit Holl
Fred Drake <fdrake@acm.org>
parents: 11383
diff changeset
204 and keyword arguments taken from the optional dictionary kwargs.\n\
28513
90c77b8af1a4 SF patch #701494: more apply removals
Raymond Hettinger <python@rcn.com>
parents: 28396
diff changeset
205 Note that classes are callable, as are instances with a __call__() method.\n\
90c77b8af1a4 SF patch #701494: more apply removals
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parents: 28396
diff changeset
206 \n\
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Raymond Hettinger <python@rcn.com>
parents: 28396
diff changeset
207 Deprecated since release 2.3. Instead, use the extended call syntax:\n\
90c77b8af1a4 SF patch #701494: more apply removals
Raymond Hettinger <python@rcn.com>
parents: 28396
diff changeset
208 function(*args, **keywords).");
8561
8973e7085cf4 Added doc strings.
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parents: 8560
diff changeset
209
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
210
5373
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Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
211 static PyObject *
45433
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
212 builtin_bin(PyObject *self, PyObject *v)
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
213 {
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
214 return PyNumber_ToBase(v, 2);
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
215 }
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
216
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
217 PyDoc_STRVAR(bin_doc,
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
218 "bin(number) -> string\n\
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
219 \n\
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
220 Return the binary representation of an integer or long integer.");
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
221
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
222
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
223 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
224 builtin_callable(PyObject *self, PyObject *v)
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
225 {
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
226 if (Py_Py3kWarningFlag &&
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
227 PyErr_Warn(PyExc_DeprecationWarning,
45499
18fed14b06b6 Add a little info to the 3k deprecation warnings about what to use instead.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45496
diff changeset
228 "callable() not supported in 3.x. Use hasattr(o, '__call__').") < 0)
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
229 return NULL;
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
230 return PyBool_FromLong((long)PyCallable_Check(v));
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
231 }
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
232
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
233 PyDoc_STRVAR(callable_doc,
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
234 "callable(object) -> bool\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
235 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
236 Return whether the object is callable (i.e., some kind of function).\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
237 Note that classes are callable, as are instances with a __call__() method.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
238
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
239
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
240 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
241 builtin_filter(PyObject *self, PyObject *args)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
242 {
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
243 PyObject *func, *seq, *result, *it, *arg;
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
244 Py_ssize_t len; /* guess for result list size */
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
245 register Py_ssize_t j;
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
246
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
247 if (!PyArg_UnpackTuple(args, "filter", 2, 2, &func, &seq))
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
248 return NULL;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
249
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
250 /* Strings and tuples return a result of the same type. */
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
251 if (PyString_Check(seq))
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
252 return filterstring(func, seq);
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
253 #ifdef Py_USING_UNICODE
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
254 if (PyUnicode_Check(seq))
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
255 return filterunicode(func, seq);
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
256 #endif
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
257 if (PyTuple_Check(seq))
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
258 return filtertuple(func, seq);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
259
35264
b431ed7bcdc2 Fix cleanup DECREF logic in builtin_filter function.
Georg Brandl <georg@python.org>
parents: 34736
diff changeset
260 /* Pre-allocate argument list tuple. */
b431ed7bcdc2 Fix cleanup DECREF logic in builtin_filter function.
Georg Brandl <georg@python.org>
parents: 34736
diff changeset
261 arg = PyTuple_New(1);
b431ed7bcdc2 Fix cleanup DECREF logic in builtin_filter function.
Georg Brandl <georg@python.org>
parents: 34736
diff changeset
262 if (arg == NULL)
b431ed7bcdc2 Fix cleanup DECREF logic in builtin_filter function.
Georg Brandl <georg@python.org>
parents: 34736
diff changeset
263 return NULL;
b431ed7bcdc2 Fix cleanup DECREF logic in builtin_filter function.
Georg Brandl <georg@python.org>
parents: 34736
diff changeset
264
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
265 /* Get iterator. */
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
266 it = PyObject_GetIter(seq);
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
267 if (it == NULL)
35264
b431ed7bcdc2 Fix cleanup DECREF logic in builtin_filter function.
Georg Brandl <georg@python.org>
parents: 34736
diff changeset
268 goto Fail_arg;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
269
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
270 /* Guess a result list size. */
44193
44c090c74202 Fix Issue 1045.
Raymond Hettinger <python@rcn.com>
parents: 43675
diff changeset
271 len = _PyObject_LengthHint(seq, 8);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
272
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
273 /* Get a result list. */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
274 if (PyList_Check(seq) && seq->ob_refcnt == 1) {
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
275 /* Eww - can modify the list in-place. */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
276 Py_INCREF(seq);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
277 result = seq;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
278 }
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
279 else {
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
280 result = PyList_New(len);
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
281 if (result == NULL)
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
282 goto Fail_it;
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
283 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
284
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
285 /* Build the result list. */
17683
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
286 j = 0;
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
287 for (;;) {
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
288 PyObject *item;
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
289 int ok;
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
290
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
291 item = PyIter_Next(it);
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
292 if (item == NULL) {
17683
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
293 if (PyErr_Occurred())
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
294 goto Fail_result_it;
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
295 break;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
296 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
297
30151
9f53e53f3880 Make filter(bool, ...) as fast as filter(None, ...).
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 30037
diff changeset
298 if (func == (PyObject *)&PyBool_Type || func == Py_None) {
45880
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
299 if (Py_Py3kWarningFlag &&
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
300 PyErr_Warn(PyExc_DeprecationWarning,
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
301 "filter with None as a first argument "
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
302 "is not supported in 3.x. Use a list "
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
303 "comprehension instead.") < 0)
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
304 return NULL;
ee0dfccf8cee Added a warning when -3 is enabled and None is passed to filter as the first argument.
David Wolever <david@wolever.net>
parents: 45832
diff changeset
305
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
306 ok = PyObject_IsTrue(item);
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
307 }
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
308 else {
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
309 PyObject *good;
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
310 PyTuple_SET_ITEM(arg, 0, item);
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
311 good = PyObject_Call(func, arg, NULL);
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
312 PyTuple_SET_ITEM(arg, 0, NULL);
2120
84b61fe44573 fix subtle refcount big in filter() -- Tim MacKenzie
Guido van Rossum <guido@python.org>
parents: 2113
diff changeset
313 if (good == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
314 Py_DECREF(item);
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
315 goto Fail_result_it;
2120
84b61fe44573 fix subtle refcount big in filter() -- Tim MacKenzie
Guido van Rossum <guido@python.org>
parents: 2113
diff changeset
316 }
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
317 ok = PyObject_IsTrue(good);
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
318 Py_DECREF(good);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
319 }
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
320 if (ok) {
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
321 if (j < len)
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
322 PyList_SET_ITEM(result, j, item);
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
323 else {
9991
ddbbed8cb830 builtin_map(): A better fix for the previous leak plug (remember
Barry Warsaw <barry@python.org>
parents: 9980
diff changeset
324 int status = PyList_Append(result, item);
ddbbed8cb830 builtin_map(): A better fix for the previous leak plug (remember
Barry Warsaw <barry@python.org>
parents: 9980
diff changeset
325 Py_DECREF(item);
ddbbed8cb830 builtin_map(): A better fix for the previous leak plug (remember
Barry Warsaw <barry@python.org>
parents: 9980
diff changeset
326 if (status < 0)
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
327 goto Fail_result_it;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
328 }
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
329 ++j;
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
330 }
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
331 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
332 Py_DECREF(item);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
333 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
334
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
335
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
336 /* Cut back result list if len is too big. */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
337 if (j < len && PyList_SetSlice(result, j, len, NULL) < 0)
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
338 goto Fail_result_it;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
339
17874
eb03c6fc31e5 SF bug #425836: Reference leak in filter().
Tim Peters <tim.peters@gmail.com>
parents: 17822
diff changeset
340 Py_DECREF(it);
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
341 Py_DECREF(arg);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
342 return result;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
343
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
344 Fail_result_it:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
345 Py_DECREF(result);
17654
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
346 Fail_it:
a97e18e499a9 Generalize filter(f, seq) to work with iterators. This also generalizes
Tim Peters <tim.peters@gmail.com>
parents: 17641
diff changeset
347 Py_DECREF(it);
24863
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
348 Fail_arg:
a3ebd1233c00 A nice little speed-up for filter():
Guido van Rossum <guido@python.org>
parents: 24817
diff changeset
349 Py_DECREF(arg);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
350 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
351 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
352
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
353 PyDoc_STRVAR(filter_doc,
22225
67a5e25dc88b backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21712
diff changeset
354 "filter(function or None, sequence) -> list, tuple, or string\n"
67a5e25dc88b backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21712
diff changeset
355 "\n"
67a5e25dc88b backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21712
diff changeset
356 "Return those items of sequence for which function(item) is true. If\n"
67a5e25dc88b backport tim_one's checkin of
Michael W. Hudson <mwh@python.net>
parents: 21712
diff changeset
357 "function is None, return the items that are true. If sequence is a tuple\n"
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
358 "or string, return the same type, else return a list.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
359
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
360 static PyObject *
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
361 builtin_format(PyObject *self, PyObject *args)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
362 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
363 PyObject *value;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
364 PyObject *format_spec = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
365
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
366 if (!PyArg_ParseTuple(args, "O|O:format", &value, &format_spec))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
367 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
368
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
369 return PyObject_Format(value, format_spec);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
370 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
371
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
372 PyDoc_STRVAR(format_doc,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
373 "format(value[, format_spec]) -> string\n\
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
374 \n\
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
375 Returns value.__format__(format_spec)\n\
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
376 format_spec defaults to \"\"");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
377
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
378 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
379 builtin_chr(PyObject *self, PyObject *args)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
380 {
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 long x;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 char s[1];
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
383
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
384 if (!PyArg_ParseTuple(args, "l:chr", &x))
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 return NULL;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 if (x < 0 || x >= 256) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
387 PyErr_SetString(PyExc_ValueError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
388 "chr() arg not in range(256)");
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 return NULL;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 }
5317
c72c7e1930b3 Keep gcc -Wall and Microsoft VC happy.
Guido van Rossum <guido@python.org>
parents: 5223
diff changeset
391 s[0] = (char)x;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
392 return PyString_FromStringAndSize(s, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
393 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
394
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
395 PyDoc_STRVAR(chr_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
396 "chr(i) -> character\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
397 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
398 Return a string of one character with ordinal i; 0 <= i < 256.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
399
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
400
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
401 #ifdef Py_USING_UNICODE
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
402 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
403 builtin_unichr(PyObject *self, PyObject *args)
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
404 {
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
405 long x;
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
406
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
407 if (!PyArg_ParseTuple(args, "l:unichr", &x))
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
408 return NULL;
18282
f38923ce3c6b more unicode tweaks: make unichr(0xdddddddd) behave like u"\Udddddddd"
Fredrik Lundh <fredrik@pythonware.com>
parents: 18281
diff changeset
409
24737
eaa87632b1e8 Add C API PyUnicode_FromOrdinal() which exposes unichr() at C level.
Marc-André Lemburg <mal@egenix.com>
parents: 24071
diff changeset
410 return PyUnicode_FromOrdinal(x);
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
411 }
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
412
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
413 PyDoc_STRVAR(unichr_doc,
12386
32e9d0e78935 When refering to Unicode characters in exception messages and
Fred Drake <fdrake@acm.org>
parents: 12384
diff changeset
414 "unichr(i) -> Unicode character\n\
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
415 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
416 Return a Unicode string of one character with ordinal i; 0 <= i <= 0x10ffff.");
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
417 #endif
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
418
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
419
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
420 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
421 builtin_cmp(PyObject *self, PyObject *args)
1079
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
parents: 1073
diff changeset
422 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
423 PyObject *a, *b;
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
424 int c;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
425
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
426 if (!PyArg_UnpackTuple(args, "cmp", 2, 2, &a, &b))
1079
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
parents: 1073
diff changeset
427 return NULL;
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
428 if (PyObject_Cmp(a, b, &c) < 0)
5610
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5471
diff changeset
429 return NULL;
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
430 return PyInt_FromLong((long)c);
1079
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
parents: 1073
diff changeset
431 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
parents: 1073
diff changeset
432
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
433 PyDoc_STRVAR(cmp_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
434 "cmp(x, y) -> integer\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
435 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
436 Return negative if x<y, zero if x==y, positive if x>y.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
437
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
438
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
439 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
440 builtin_coerce(PyObject *self, PyObject *args)
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2106
diff changeset
441 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
442 PyObject *v, *w;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
443 PyObject *res;
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2106
diff changeset
444
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
445 if (Py_Py3kWarningFlag &&
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
446 PyErr_Warn(PyExc_DeprecationWarning,
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
447 "coerce() not supported in 3.x") < 0)
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
448 return NULL;
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
449
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
450 if (!PyArg_UnpackTuple(args, "coerce", 2, 2, &v, &w))
2113
76c860a18d82 move coerce() from bltinmodule.c to object.c and implement builtin_coerce() differently
Guido van Rossum <guido@python.org>
parents: 2106
diff changeset
451 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
452 if (PyNumber_Coerce(&v, &w) < 0)
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
453 return NULL;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30430
diff changeset
454 res = PyTuple_Pack(2, v, w);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
455 Py_DECREF(v);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
456 Py_DECREF(w);
944
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
457 return res;
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
458 }
222f04f55083 Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
459
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
460 PyDoc_STRVAR(coerce_doc,
33261
1cf7d7225a99 Patch #1015021: Stop claiming that coerce can return None.
Martin v. Löwis <martin@v.loewis.de>
parents: 33099
diff changeset
461 "coerce(x, y) -> (x1, y1)\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
462 \n\
33261
1cf7d7225a99 Patch #1015021: Stop claiming that coerce can return None.
Martin v. Löwis <martin@v.loewis.de>
parents: 33099
diff changeset
463 Return a tuple consisting of the two numeric arguments converted to\n\
1cf7d7225a99 Patch #1015021: Stop claiming that coerce can return None.
Martin v. Löwis <martin@v.loewis.de>
parents: 33099
diff changeset
464 a common type, using the same rules as used by arithmetic operations.\n\
1cf7d7225a99 Patch #1015021: Stop claiming that coerce can return None.
Martin v. Löwis <martin@v.loewis.de>
parents: 33099
diff changeset
465 If coercion is not possible, raise TypeError.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
466
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
467 static PyObject *
41168
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
468 builtin_compile(PyObject *self, PyObject *args, PyObject *kwds)
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
469 {
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
470 char *str;
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
471 char *filename;
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
472 char *startstr;
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
473 int start;
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
474 int dont_inherit = 0;
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
475 int supplied_flags = 0;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18436
diff changeset
476 PyCompilerFlags cf;
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
477 PyObject *result = NULL, *cmd, *tmp = NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
478 Py_ssize_t length;
41168
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
479 static char *kwlist[] = {"source", "filename", "mode", "flags",
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
480 "dont_inherit", NULL};
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
481
41168
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
482 if (!PyArg_ParseTupleAndKeywords(args, kwds, "Oss|ii:compile",
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
483 kwlist, &cmd, &filename, &startstr,
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
484 &supplied_flags, &dont_inherit))
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
485 return NULL;
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
486
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
487 cf.cf_flags = supplied_flags;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
488
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
489 #ifdef Py_USING_UNICODE
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
490 if (PyUnicode_Check(cmd)) {
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
491 tmp = PyUnicode_AsUTF8String(cmd);
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
492 if (tmp == NULL)
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
493 return NULL;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
494 cmd = tmp;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
495 cf.cf_flags |= PyCF_SOURCE_IS_UTF8;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
496 }
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
497 #endif
27782
904f0e769820 My previous checkin caused compile() to no longer accept buffers, as noted
Just van Rossum <just@letterror.com>
parents: 27781
diff changeset
498 if (PyObject_AsReadBuffer(cmd, (const void **)&str, &length))
904f0e769820 My previous checkin caused compile() to no longer accept buffers, as noted
Just van Rossum <just@letterror.com>
parents: 27781
diff changeset
499 return NULL;
27790
b650a54a76fd Squashed compiler wng about signed/unsigned clash in comparison.
Tim Peters <tim.peters@gmail.com>
parents: 27786
diff changeset
500 if ((size_t)length != strlen(str)) {
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
501 PyErr_SetString(PyExc_TypeError,
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
502 "compile() expected string without null bytes");
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
503 goto cleanup;
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
504 }
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
505
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
506 if (strcmp(startstr, "exec") == 0)
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5421
diff changeset
507 start = Py_file_input;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
508 else if (strcmp(startstr, "eval") == 0)
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5421
diff changeset
509 start = Py_eval_input;
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
510 else if (strcmp(startstr, "single") == 0)
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5421
diff changeset
511 start = Py_single_input;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
512 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
513 PyErr_SetString(PyExc_ValueError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 14869
diff changeset
514 "compile() arg 3 must be 'exec' or 'eval' or 'single'");
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
515 goto cleanup;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
516 }
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
517
27878
be7683a6f521 - Finally fixed the bug in compile() and exec where a string ending
Guido van Rossum <guido@python.org>
parents: 27795
diff changeset
518 if (supplied_flags &
36660
3c0b26113df6 Generate code to recursively copy an AST into
Martin v. Löwis <martin@v.loewis.de>
parents: 36604
diff changeset
519 ~(PyCF_MASK | PyCF_MASK_OBSOLETE | PyCF_DONT_IMPLY_DEDENT | PyCF_ONLY_AST))
27878
be7683a6f521 - Finally fixed the bug in compile() and exec where a string ending
Guido van Rossum <guido@python.org>
parents: 27795
diff changeset
520 {
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
521 PyErr_SetString(PyExc_ValueError,
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
522 "compile(): unrecognised flags");
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
523 goto cleanup;
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
524 }
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
525 /* XXX Warn if (supplied_flags & PyCF_MASK_OBSOLETE) != 0? */
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
526
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
527 if (!dont_inherit) {
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
528 PyEval_MergeCompilerFlags(&cf);
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
529 }
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
530 result = Py_CompileStringFlags(str, filename, start, &cf);
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
531 cleanup:
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
532 Py_XDECREF(tmp);
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
533 return result;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
534 }
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
535
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
536 PyDoc_STRVAR(compile_doc,
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
537 "compile(source, filename, mode[, flags[, dont_inherit]]) -> code object\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
538 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
539 Compile the source string (a Python module, statement or expression)\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
540 into a code object that can be executed by the exec statement or eval().\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
541 The filename will be used for run-time error messages.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
542 The mode must be 'exec' to compile a module, 'single' to compile a\n\
19355
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
543 single (interactive) statement, or 'eval' to compile an expression.\n\
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
544 The flags argument, if present, controls which future statements influence\n\
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
545 the compilation of the code.\n\
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
546 The dont_inherit argument, if non-zero, stops the compilation inheriting\n\
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
547 the effects of any future statements in effect in the code calling\n\
d5acff178ad5 A fiddled version of the rest of Michael Hudson's SF patch
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
548 compile; if absent or zero these statements do influence the compilation,\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
549 in addition to any features explicitly specified.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
550
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
551 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
552 builtin_dir(PyObject *self, PyObject *args)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
553 {
19665
08c3c9edd99b Make dir() wordier (see the new docstring). The new behavior is a mixed
Tim Peters <tim.peters@gmail.com>
parents: 19471
diff changeset
554 PyObject *arg = NULL;
08c3c9edd99b Make dir() wordier (see the new docstring). The new behavior is a mixed
Tim Peters <tim.peters@gmail.com>
parents: 19471
diff changeset
555
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
556 if (!PyArg_UnpackTuple(args, "dir", 0, 1, &arg))
19665
08c3c9edd99b Make dir() wordier (see the new docstring). The new behavior is a mixed
Tim Peters <tim.peters@gmail.com>
parents: 19471
diff changeset
557 return NULL;
19705
b7f6fbc087a7 At Guido's suggestion, here's a new C API function, PyObject_Dir(), like
Tim Peters <tim.peters@gmail.com>
parents: 19670
diff changeset
558 return PyObject_Dir(arg);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
559 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
560
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
561 PyDoc_STRVAR(dir_doc,
19665
08c3c9edd99b Make dir() wordier (see the new docstring). The new behavior is a mixed
Tim Peters <tim.peters@gmail.com>
parents: 19471
diff changeset
562 "dir([object]) -> list of strings\n"
08c3c9edd99b Make dir() wordier (see the new docstring). The new behavior is a mixed
Tim Peters <tim.peters@gmail.com>
parents: 19471
diff changeset
563 "\n"
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
564 "If called without an argument, return the names in the current scope.\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
565 "Else, return an alphabetized list of names comprising (some of) the attributes\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
566 "of the given object, and of attributes reachable from it.\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
567 "If the object supplies a method named __dir__, it will be used; otherwise\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
568 "the default dir() logic is used and returns:\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
569 " for a module object: the module's attributes.\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
570 " for a class object: its attributes, and recursively the attributes\n"
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
571 " of its bases.\n"
41140
7286d832ad27 Typo and grammar fixes.
Georg Brandl <georg@python.org>
parents: 41125
diff changeset
572 " for any other object: its attributes, its class's attributes, and\n"
41125
717bc2a4eee7 Backport from Py3k branch:
Georg Brandl <georg@python.org>
parents: 40113
diff changeset
573 " recursively the attributes of its class's base classes.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
574
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
575 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
576 builtin_divmod(PyObject *self, PyObject *args)
2087
65146b52f16b * Python/bltinmodule.c: restructured coerce(), divmod(), pow() to
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
577 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
578 PyObject *v, *w;
2087
65146b52f16b * Python/bltinmodule.c: restructured coerce(), divmod(), pow() to
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
579
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
580 if (!PyArg_UnpackTuple(args, "divmod", 2, 2, &v, &w))
2087
65146b52f16b * Python/bltinmodule.c: restructured coerce(), divmod(), pow() to
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
581 return NULL;
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
582 return PyNumber_Divmod(v, w);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
583 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
584
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
585 PyDoc_STRVAR(divmod_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
586 "divmod(x, y) -> (div, mod)\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
587 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
588 Return the tuple ((x-x%y)/y, x%y). Invariant: div*y + mod == x.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
589
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
590
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
591 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
592 builtin_eval(PyObject *self, PyObject *args)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
593 {
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
594 PyObject *cmd, *result, *tmp = NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
595 PyObject *globals = Py_None, *locals = Py_None;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
596 char *str;
19357
be9b50704e4c Fix for bug [#452230] future division isn't propagated.
Tim Peters <tim.peters@gmail.com>
parents: 19355
diff changeset
597 PyCompilerFlags cf;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
598
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
599 if (!PyArg_UnpackTuple(args, "eval", 1, 3, &cmd, &globals, &locals))
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
600 return NULL;
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
601 if (locals != Py_None && !PyMapping_Check(locals)) {
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
602 PyErr_SetString(PyExc_TypeError, "locals must be a mapping");
32507
682f74088602 * Fix missing return after error message is set.
Raymond Hettinger <python@rcn.com>
parents: 32463
diff changeset
603 return NULL;
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
604 }
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
605 if (globals != Py_None && !PyDict_Check(globals)) {
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
606 PyErr_SetString(PyExc_TypeError, PyMapping_Check(globals) ?
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
607 "globals must be a real dict; try eval(expr, {}, mapping)"
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
608 : "globals must be a dict");
32507
682f74088602 * Fix missing return after error message is set.
Raymond Hettinger <python@rcn.com>
parents: 32463
diff changeset
609 return NULL;
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
610 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
611 if (globals == Py_None) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
612 globals = PyEval_GetGlobals();
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
613 if (locals == Py_None)
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
614 locals = PyEval_GetLocals();
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
615 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
616 else if (locals == Py_None)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
617 locals = globals;
19357
be9b50704e4c Fix for bug [#452230] future division isn't propagated.
Tim Peters <tim.peters@gmail.com>
parents: 19355
diff changeset
618
35567
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
619 if (globals == NULL || locals == NULL) {
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
620 PyErr_SetString(PyExc_TypeError,
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
621 "eval must be given globals and locals "
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
622 "when called without a frame");
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
623 return NULL;
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
624 }
fa0881fd49b7 bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
Georg Brandl <georg@python.org>
parents: 35500
diff changeset
625
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
626 if (PyDict_GetItemString(globals, "__builtins__") == NULL) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
627 if (PyDict_SetItemString(globals, "__builtins__",
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
628 PyEval_GetBuiltins()) != 0)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
629 return NULL;
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
630 }
19357
be9b50704e4c Fix for bug [#452230] future division isn't propagated.
Tim Peters <tim.peters@gmail.com>
parents: 19355
diff changeset
631
18885
22456d0ee737 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18836
diff changeset
632 if (PyCode_Check(cmd)) {
21398
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21077
diff changeset
633 if (PyCode_GetNumFree((PyCodeObject *)cmd) > 0) {
18885
22456d0ee737 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18836
diff changeset
634 PyErr_SetString(PyExc_TypeError,
22456d0ee737 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18836
diff changeset
635 "code object passed to eval() may not contain free variables");
22456d0ee737 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18836
diff changeset
636 return NULL;
22456d0ee737 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18836
diff changeset
637 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
638 return PyEval_EvalCode((PyCodeObject *) cmd, globals, locals);
18885
22456d0ee737 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18836
diff changeset
639 }
19357
be9b50704e4c Fix for bug [#452230] future division isn't propagated.
Tim Peters <tim.peters@gmail.com>
parents: 19355
diff changeset
640
14696
85038a024b19 This patch adds a new Python C API called PyString_AsStringAndSize()
Marc-André Lemburg <mal@egenix.com>
parents: 14662
diff changeset
641 if (!PyString_Check(cmd) &&
85038a024b19 This patch adds a new Python C API called PyString_AsStringAndSize()
Marc-André Lemburg <mal@egenix.com>
parents: 14662
diff changeset
642 !PyUnicode_Check(cmd)) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
643 PyErr_SetString(PyExc_TypeError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 14869
diff changeset
644 "eval() arg 1 must be a string or code object");
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
645 return NULL;
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
646 }
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
647 cf.cf_flags = 0;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
648
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
649 #ifdef Py_USING_UNICODE
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
650 if (PyUnicode_Check(cmd)) {
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
651 tmp = PyUnicode_AsUTF8String(cmd);
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
652 if (tmp == NULL)
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
653 return NULL;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
654 cmd = tmp;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
655 cf.cf_flags |= PyCF_SOURCE_IS_UTF8;
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
656 }
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
657 #endif
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
658 if (PyString_AsStringAndSize(cmd, &str, NULL)) {
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
659 Py_XDECREF(tmp);
959
68b302ad84a1 use getargs() in more cases;
Guido van Rossum <guido@python.org>
parents: 955
diff changeset
660 return NULL;
35960
658444baeba3 Fix memory leaks
Neal Norwitz <nnorwitz@gmail.com>
parents: 35766
diff changeset
661 }
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
662 while (*str == ' ' || *str == '\t')
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
663 str++;
19357
be9b50704e4c Fix for bug [#452230] future division isn't propagated.
Tim Peters <tim.peters@gmail.com>
parents: 19355
diff changeset
664
be9b50704e4c Fix for bug [#452230] future division isn't propagated.
Tim Peters <tim.peters@gmail.com>
parents: 19355
diff changeset
665 (void)PyEval_MergeCompilerFlags(&cf);
27781
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
666 result = PyRun_StringFlags(str, Py_eval_input, globals, locals, &cf);
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
667 Py_XDECREF(tmp);
cc01fb654ce3 patch #683515: "Add unicode support to compile(), eval() and exec"
Just van Rossum <just@letterror.com>
parents: 27681
diff changeset
668 return result;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
669 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
670
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
671 PyDoc_STRVAR(eval_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
672 "eval(source[, globals[, locals]]) -> value\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
673 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
674 Evaluate the source in the context of globals and locals.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
675 The source may be a string representing a Python expression\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
676 or a code object as returned by compile().\n\
39746
97d3eab8cda2 Fix SF #1552093, eval docstring typo (3 ps in mapping)
Neal Norwitz <nnorwitz@gmail.com>
parents: 39447
diff changeset
677 The globals must be a dictionary and locals can be any mapping,\n\
32463
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
678 defaulting to the current globals and locals.\n\
d4a59230e93a SF Bug #215126: Over restricted type checking on eval() function
Raymond Hettinger <python@rcn.com>
parents: 31837
diff changeset
679 If only globals is given, locals defaults to it.\n");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
680
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
681
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
682 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
683 builtin_execfile(PyObject *self, PyObject *args)
673
71d496259ad3 Added execfile().
Guido van Rossum <guido@python.org>
parents: 662
diff changeset
684 {
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
685 char *filename;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
686 PyObject *globals = Py_None, *locals = Py_None;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
687 PyObject *res;
19726
5487d9d53a0e builtin_execfile(): initialize another local that the GCC on leroy
Guido van Rossum <guido@python.org>
parents: 19705
diff changeset
688 FILE* fp = NULL;
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18436
diff changeset
689 PyCompilerFlags cf;
19053
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
690 int exists;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
691
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
692 if (Py_Py3kWarningFlag &&
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
693 PyErr_Warn(PyExc_DeprecationWarning,
45499
18fed14b06b6 Add a little info to the 3k deprecation warnings about what to use instead.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45496
diff changeset
694 "execfile() not supported in 3.x. Use exec().") < 0)
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
695 return NULL;
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
696
32890
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32759
diff changeset
697 if (!PyArg_ParseTuple(args, "s|O!O:execfile",
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
698 &filename,
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
699 &PyDict_Type, &globals,
32890
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32759
diff changeset
700 &locals))
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
701 return NULL;
32890
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32759
diff changeset
702 if (locals != Py_None && !PyMapping_Check(locals)) {
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32759
diff changeset
703 PyErr_SetString(PyExc_TypeError, "locals must be a mapping");
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32759
diff changeset
704 return NULL;
b8c2aa2be19a Completed the patch for Bug #215126.
Raymond Hettinger <python@rcn.com>
parents: 32759
diff changeset
705 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
706 if (globals == Py_None) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
707 globals = PyEval_GetGlobals();
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
708 if (locals == Py_None)
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
709 locals = PyEval_GetLocals();
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
710 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
711 else if (locals == Py_None)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
712 locals = globals;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
713 if (PyDict_GetItemString(globals, "__builtins__") == NULL) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
714 if (PyDict_SetItemString(globals, "__builtins__",
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
715 PyEval_GetBuiltins()) != 0)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
716 return NULL;
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
717 }
19053
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
718
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
719 exists = 0;
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
720 /* Test for existence or directory. */
22205
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
721 #if defined(PLAN9)
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
722 {
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
723 Dir *d;
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
724
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
725 if ((d = dirstat(filename))!=nil) {
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
726 if(d->mode & DMDIR)
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
727 werrstr("is a directory");
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
728 else
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
729 exists = 1;
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
730 free(d);
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
731 }
19053
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
732 }
22205
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
733 #elif defined(RISCOS)
20654
edd9d0b3c47e SF patch #474590 -- RISC OS support
Guido van Rossum <guido@python.org>
parents: 20471
diff changeset
734 if (object_exists(filename)) {
edd9d0b3c47e SF patch #474590 -- RISC OS support
Guido van Rossum <guido@python.org>
parents: 20471
diff changeset
735 if (isdir(filename))
edd9d0b3c47e SF patch #474590 -- RISC OS support
Guido van Rossum <guido@python.org>
parents: 20471
diff changeset
736 errno = EISDIR;
edd9d0b3c47e SF patch #474590 -- RISC OS support
Guido van Rossum <guido@python.org>
parents: 20471
diff changeset
737 else
edd9d0b3c47e SF patch #474590 -- RISC OS support
Guido van Rossum <guido@python.org>
parents: 20471
diff changeset
738 exists = 1;
edd9d0b3c47e SF patch #474590 -- RISC OS support
Guido van Rossum <guido@python.org>
parents: 20471
diff changeset
739 }
22205
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
740 #else /* standard Posix */
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
741 {
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
742 struct stat s;
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
743 if (stat(filename, &s) == 0) {
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
744 if (S_ISDIR(s.st_mode))
31837
81117923ae8f OS/2 VACPP build updates/fixes
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 31445
diff changeset
745 # if defined(PYOS_OS2) && defined(PYCC_VACPP)
22205
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
746 errno = EOS2ERR;
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
747 # else
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
748 errno = EISDIR;
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
749 # endif
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
750 else
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
751 exists = 1;
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
752 }
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
753 }
f4487350c537 Patch #494045: patches errno and stat to cope on plan9.
Martin v. Löwis <martin@v.loewis.de>
parents: 22225
diff changeset
754 #endif
19053
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
755
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
756 if (exists) {
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
757 Py_BEGIN_ALLOW_THREADS
23029
8291473fde3e Mass checkin of universal newline support.
Jack Jansen <jack.jansen@cwi.nl>
parents: 22785
diff changeset
758 fp = fopen(filename, "r" PY_STDIOTEXTMODE);
19053
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
759 Py_END_ALLOW_THREADS
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
760
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
761 if (fp == NULL) {
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
762 exists = 0;
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
763 }
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
764 }
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
765
2bb242dc69d8 Patch #448227: Raise an exception when a directory is passed to execfile.
Martin v. Löwis <martin@v.loewis.de>
parents: 18933
diff changeset
766 if (!exists) {
25046
434bc1dea4f8 execfile should call PyErr_SetFromErrnoWithFilename instead of
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 24863
diff changeset
767 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
673
71d496259ad3 Added execfile().
Guido van Rossum <guido@python.org>
parents: 662
diff changeset
768 return NULL;
71d496259ad3 Added execfile().
Guido van Rossum <guido@python.org>
parents: 662
diff changeset
769 }
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18436
diff changeset
770 cf.cf_flags = 0;
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18436
diff changeset
771 if (PyEval_MergeCompilerFlags(&cf))
17641
9be7758a8c94 Fix buglet reported on c.l.py: map(fnc, file.xreadlines()) blows up.
Tim Peters <tim.peters@gmail.com>
parents: 17597
diff changeset
772 res = PyRun_FileExFlags(fp, filename, Py_file_input, globals,
17125
2054cea38754 Extend support for from __future__ import nested_scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17111
diff changeset
773 locals, 1, &cf);
18611
fdb36a0c7e6e Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents: 18436
diff changeset
774 else
17641
9be7758a8c94 Fix buglet reported on c.l.py: map(fnc, file.xreadlines()) blows up.
Tim Peters <tim.peters@gmail.com>
parents: 17597
diff changeset
775 res = PyRun_FileEx(fp, filename, Py_file_input, globals,
17125
2054cea38754 Extend support for from __future__ import nested_scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17111
diff changeset
776 locals, 1);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
777 return res;
673
71d496259ad3 Added execfile().
Guido van Rossum <guido@python.org>
parents: 662
diff changeset
778 }
71d496259ad3 Added execfile().
Guido van Rossum <guido@python.org>
parents: 662
diff changeset
779
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
780 PyDoc_STRVAR(execfile_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
781 "execfile(filename[, globals[, locals]])\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
782 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
783 Read and execute a Python script from a file.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
784 The globals and locals are dictionaries, defaulting to the current\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
785 globals and locals. If only globals is given, locals defaults to it.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
786
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
787
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
788 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
789 builtin_getattr(PyObject *self, PyObject *args)
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
790 {
8581
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
791 PyObject *v, *result, *dflt = NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
792 PyObject *name;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
793
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
794 if (!PyArg_UnpackTuple(args, "getattr", 2, 3, &v, &name, &dflt))
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
795 return NULL;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
796 #ifdef Py_USING_UNICODE
18888
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
797 if (PyUnicode_Check(name)) {
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
798 name = _PyUnicode_AsDefaultEncodedString(name, NULL);
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
799 if (name == NULL)
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
800 return NULL;
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
801 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
802 #endif
18888
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
803
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
804 if (!PyString_Check(name)) {
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
805 PyErr_SetString(PyExc_TypeError,
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
806 "getattr(): attribute name must be string");
18888
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
807 return NULL;
f12e1a766a14 Fix for SF byg [ #420304 ] getattr function w/ default
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18885
diff changeset
808 }
8581
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
809 result = PyObject_GetAttr(v, name);
20471
bbdc0abfbb13 SF patch #471852 (anonymous) notes that getattr(obj, name, default)
Guido van Rossum <guido@python.org>
parents: 20307
diff changeset
810 if (result == NULL && dflt != NULL &&
bbdc0abfbb13 SF patch #471852 (anonymous) notes that getattr(obj, name, default)
Guido van Rossum <guido@python.org>
parents: 20307
diff changeset
811 PyErr_ExceptionMatches(PyExc_AttributeError))
bbdc0abfbb13 SF patch #471852 (anonymous) notes that getattr(obj, name, default)
Guido van Rossum <guido@python.org>
parents: 20307
diff changeset
812 {
8581
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
813 PyErr_Clear();
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
814 Py_INCREF(dflt);
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
815 result = dflt;
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
816 }
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
817 return result;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
818 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
819
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
820 PyDoc_STRVAR(getattr_doc,
8581
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
821 "getattr(object, name[, default]) -> value\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
822 \n\
8581
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
823 Get a named attribute from an object; getattr(x, 'y') is equivalent to x.y.\n\
221667f89064 Experimental feature: add default argument to getattr().
Guido van Rossum <guido@python.org>
parents: 8561
diff changeset
824 When a default argument is given, it is returned when the attribute doesn't\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
825 exist; without it, an exception is raised in that case.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
826
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
827
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
828 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
829 builtin_globals(PyObject *self)
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
830 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
831 PyObject *d;
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
832
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
833 d = PyEval_GetGlobals();
39447
71b0ac80a135 It's highly unlikely, though possible for PyEval_Get*() to return NULLs.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39385
diff changeset
834 Py_XINCREF(d);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
835 return d;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
836 }
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
837
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
838 PyDoc_STRVAR(globals_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
839 "globals() -> dictionary\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
840 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
841 Return the dictionary containing the current scope's global variables.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
842
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
843
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
844 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
845 builtin_hasattr(PyObject *self, PyObject *args)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
846 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
847 PyObject *v;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
848 PyObject *name;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
849
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
850 if (!PyArg_UnpackTuple(args, "hasattr", 2, 2, &v, &name))
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
851 return NULL;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
852 #ifdef Py_USING_UNICODE
18890
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
853 if (PyUnicode_Check(name)) {
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
854 name = _PyUnicode_AsDefaultEncodedString(name, NULL);
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
855 if (name == NULL)
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
856 return NULL;
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
857 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
858 #endif
18890
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
859
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
860 if (!PyString_Check(name)) {
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
861 PyErr_SetString(PyExc_TypeError,
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
862 "hasattr(): attribute name must be string");
18890
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
863 return NULL;
fb837c5ae5d3 Do for hasattr() what was done for getattr()
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18888
diff changeset
864 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
865 v = PyObject_GetAttr(v, name);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
866 if (v == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
867 PyErr_Clear();
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
868 Py_INCREF(Py_False);
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
869 return Py_False;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
870 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
871 Py_DECREF(v);
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
872 Py_INCREF(Py_True);
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
873 return Py_True;
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
874 }
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
875
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
876 PyDoc_STRVAR(hasattr_doc,
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
877 "hasattr(object, name) -> bool\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
878 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
879 Return whether the object has an attribute with the given name.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
880 (This is done by calling getattr(object, name) and catching exceptions.)");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
881
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
882
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
883 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
884 builtin_id(PyObject *self, PyObject *v)
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
885 {
13078
1d0407960953 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12961
diff changeset
886 return PyLong_FromVoidPtr(v);
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
887 }
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
888
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
889 PyDoc_STRVAR(id_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
890 "id(object) -> integer\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
891 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
892 Return the identity of an object. This is guaranteed to be unique among\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
893 simultaneously existing objects. (Hint: it's the object's memory address.)");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
894
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
895
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
896 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
897 builtin_map(PyObject *self, PyObject *args)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
898 {
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
899 typedef struct {
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
900 PyObject *it; /* the iterator object */
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
901 int saw_StopIteration; /* bool: did the iterator end? */
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
902 } sequence;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
903
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
904 PyObject *func, *result;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
905 sequence *seqs = NULL, *sqp;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
906 Py_ssize_t n, len;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
907 register int i, j;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
908
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
909 n = PyTuple_Size(args);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
910 if (n < 2) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
911 PyErr_SetString(PyExc_TypeError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
912 "map() requires at least two args");
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
913 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
914 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
915
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
916 func = PyTuple_GetItem(args, 0);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
917 n--;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
918
45496
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
919 if (func == Py_None) {
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
920 if (Py_Py3kWarningFlag &&
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
921 PyErr_Warn(PyExc_DeprecationWarning,
45499
18fed14b06b6 Add a little info to the 3k deprecation warnings about what to use instead.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45496
diff changeset
922 "map(None, ...) not supported in 3.x. Use list(...).") < 0)
45496
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
923 return NULL;
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
924 if (n == 1) {
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
925 /* map(None, S) is the same as list(S). */
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
926 return PySequence_List(PyTuple_GetItem(args, 1));
002a5ac792b1 map(None, ...) is not supported in 3.0.
Neal Norwitz <nnorwitz@gmail.com>
parents: 45433
diff changeset
927 }
8661
30fbf18af29e Small changes to map() and filter():
Guido van Rossum <guido@python.org>
parents: 8589
diff changeset
928 }
30fbf18af29e Small changes to map() and filter():
Guido van Rossum <guido@python.org>
parents: 8589
diff changeset
929
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
930 /* Get space for sequence descriptors. Must NULL out the iterator
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
931 * pointers so that jumping to Fail_2 later doesn't see trash.
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
932 */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
933 if ((seqs = PyMem_NEW(sequence, n)) == NULL) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
934 PyErr_NoMemory();
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
935 return NULL;
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
936 }
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
937 for (i = 0; i < n; ++i) {
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
938 seqs[i].it = (PyObject*)NULL;
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
939 seqs[i].saw_StopIteration = 0;
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
940 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
941
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
942 /* Do a first pass to obtain iterators for the arguments, and set len
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
943 * to the largest of their lengths.
17641
9be7758a8c94 Fix buglet reported on c.l.py: map(fnc, file.xreadlines()) blows up.
Tim Peters <tim.peters@gmail.com>
parents: 17597
diff changeset
944 */
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
945 len = 0;
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
946 for (i = 0, sqp = seqs; i < n; ++i, ++sqp) {
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
947 PyObject *curseq;
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
948 Py_ssize_t curlen;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
949
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
950 /* Get iterator. */
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
951 curseq = PyTuple_GetItem(args, i+1);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
952 sqp->it = PyObject_GetIter(curseq);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
953 if (sqp->it == NULL) {
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
954 static char errmsg[] =
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
955 "argument %d to map() must support iteration";
5388
13a30cea8dbf Avoid sprintf buffer overflow if more than 9999 arguments.
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
956 char errbuf[sizeof(errmsg) + 25];
21077
379fc66f4c96 Use PyOS_snprintf instead of sprintf.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20871
diff changeset
957 PyOS_snprintf(errbuf, sizeof(errbuf), errmsg, i+2);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
958 PyErr_SetString(PyExc_TypeError, errbuf);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
959 goto Fail_2;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
960 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
961
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
962 /* Update len. */
44193
44c090c74202 Fix Issue 1045.
Raymond Hettinger <python@rcn.com>
parents: 43675
diff changeset
963 curlen = _PyObject_LengthHint(curseq, 8);
31343
0c1d2062dee3 Apply map/zip pre-sizing optimization to a broader class of objects.
Raymond Hettinger <python@rcn.com>
parents: 31210
diff changeset
964 if (curlen > len)
0c1d2062dee3 Apply map/zip pre-sizing optimization to a broader class of objects.
Raymond Hettinger <python@rcn.com>
parents: 31210
diff changeset
965 len = curlen;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
966 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
967
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
968 /* Get space for the result list. */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
969 if ((result = (PyObject *) PyList_New(len)) == NULL)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
970 goto Fail_2;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
971
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
972 /* Iterate over the sequences until all have stopped. */
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
973 for (i = 0; ; ++i) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
974 PyObject *alist, *item=NULL, *value;
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
975 int numactive = 0;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
976
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
977 if (func == Py_None && n == 1)
2824
65c7105868f8 rename arglist to alist (conflict with new grammar symbol)
Guido van Rossum <guido@python.org>
parents: 2808
diff changeset
978 alist = NULL;
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
979 else if ((alist = PyTuple_New(n)) == NULL)
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
980 goto Fail_1;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
981
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
982 for (j = 0, sqp = seqs; j < n; ++j, ++sqp) {
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
983 if (sqp->saw_StopIteration) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
984 Py_INCREF(Py_None);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
985 item = Py_None;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
986 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
987 else {
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
988 item = PyIter_Next(sqp->it);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
989 if (item)
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
990 ++numactive;
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
991 else {
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
992 if (PyErr_Occurred()) {
17683
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
993 Py_XDECREF(alist);
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
994 goto Fail_1;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
995 }
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
996 Py_INCREF(Py_None);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
997 item = Py_None;
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
998 sqp->saw_StopIteration = 1;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
999 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1000 }
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1001 if (alist)
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1002 PyTuple_SET_ITEM(alist, j, item);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1003 else
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1004 break;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1005 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1006
2824
65c7105868f8 rename arglist to alist (conflict with new grammar symbol)
Guido van Rossum <guido@python.org>
parents: 2808
diff changeset
1007 if (!alist)
65c7105868f8 rename arglist to alist (conflict with new grammar symbol)
Guido van Rossum <guido@python.org>
parents: 2808
diff changeset
1008 alist = item;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1009
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1010 if (numactive == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1011 Py_DECREF(alist);
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1012 break;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1013 }
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1014
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1015 if (func == Py_None)
2824
65c7105868f8 rename arglist to alist (conflict with new grammar symbol)
Guido van Rossum <guido@python.org>
parents: 2808
diff changeset
1016 value = alist;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1017 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1018 value = PyEval_CallObject(func, alist);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1019 Py_DECREF(alist);
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
1020 if (value == NULL)
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
1021 goto Fail_1;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1022 }
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1023 if (i >= len) {
9991
ddbbed8cb830 builtin_map(): A better fix for the previous leak plug (remember
Barry Warsaw <barry@python.org>
parents: 9980
diff changeset
1024 int status = PyList_Append(result, value);
ddbbed8cb830 builtin_map(): A better fix for the previous leak plug (remember
Barry Warsaw <barry@python.org>
parents: 9980
diff changeset
1025 Py_DECREF(value);
ddbbed8cb830 builtin_map(): A better fix for the previous leak plug (remember
Barry Warsaw <barry@python.org>
parents: 9980
diff changeset
1026 if (status < 0)
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1027 goto Fail_1;
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1028 }
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1029 else if (PyList_SetItem(result, i, value) < 0)
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1030 goto Fail_1;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1031 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1032
8661
30fbf18af29e Small changes to map() and filter():
Guido van Rossum <guido@python.org>
parents: 8589
diff changeset
1033 if (i < len && PyList_SetSlice(result, i, len, NULL) < 0)
30fbf18af29e Small changes to map() and filter():
Guido van Rossum <guido@python.org>
parents: 8589
diff changeset
1034 goto Fail_1;
30fbf18af29e Small changes to map() and filter():
Guido van Rossum <guido@python.org>
parents: 8589
diff changeset
1035
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1036 goto Succeed;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1037
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1038 Fail_1:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1039 Py_DECREF(result);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1040 Fail_2:
17675
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1041 result = NULL;
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1042 Succeed:
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1043 assert(seqs);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1044 for (i = 0; i < n; ++i)
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1045 Py_XDECREF(seqs[i].it);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1046 PyMem_DEL(seqs);
0be277039d93 Generalize map() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17667
diff changeset
1047 return result;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1048 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1049
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1050 PyDoc_STRVAR(map_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1051 "map(function, sequence[, sequence, ...]) -> list\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1052 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1053 Return a list of the results of applying the function to the items of\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1054 the argument sequence(s). If more than one sequence is given, the\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1055 function is called with an argument list consisting of the corresponding\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1056 item of each sequence, substituting None for missing values when not all\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1057 sequences have the same length. If the function is None, return a list of\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1058 the items of the sequence (or a list of tuples if more than one sequence).");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1059
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1060
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1061 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1062 builtin_setattr(PyObject *self, PyObject *args)
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
1063 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1064 PyObject *v;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1065 PyObject *name;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1066 PyObject *value;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1067
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
1068 if (!PyArg_UnpackTuple(args, "setattr", 3, 3, &v, &name, &value))
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
1069 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1070 if (PyObject_SetAttr(v, name, value) != 0)
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
1071 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1072 Py_INCREF(Py_None);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1073 return Py_None;
644
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
1074 }
59f9325bb8ec Added getattr and setattr built-in functions.
Guido van Rossum <guido@python.org>
parents: 606
diff changeset
1075
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1076 PyDoc_STRVAR(setattr_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1077 "setattr(object, name, value)\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1078 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1079 Set a named attribute on an object; setattr(x, 'y', v) is equivalent to\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1080 ``x.y = v''.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1081
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1082
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1083 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1084 builtin_delattr(PyObject *self, PyObject *args)
1843
8294bbd94535 Added delattr()
Guido van Rossum <guido@python.org>
parents: 1842
diff changeset
1085 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1086 PyObject *v;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1087 PyObject *name;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1088
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
1089 if (!PyArg_UnpackTuple(args, "delattr", 2, 2, &v, &name))
1843
8294bbd94535 Added delattr()
Guido van Rossum <guido@python.org>
parents: 1842
diff changeset
1090 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1091 if (PyObject_SetAttr(v, name, (PyObject *)NULL) != 0)
1843
8294bbd94535 Added delattr()
Guido van Rossum <guido@python.org>
parents: 1842
diff changeset
1092 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1093 Py_INCREF(Py_None);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1094 return Py_None;
1843
8294bbd94535 Added delattr()
Guido van Rossum <guido@python.org>
parents: 1842
diff changeset
1095 }
8294bbd94535 Added delattr()
Guido van Rossum <guido@python.org>
parents: 1842
diff changeset
1096
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1097 PyDoc_STRVAR(delattr_doc,
9514
a126107c433a Fix cosmetic bug in delattr docstring discovered by JvR.
Guido van Rossum <guido@python.org>
parents: 9188
diff changeset
1098 "delattr(object, name)\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1099 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1100 Delete a named attribute on an object; delattr(x, 'y') is equivalent to\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1101 ``del x.y''.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1102
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1103
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1104 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
1105 builtin_hash(PyObject *self, PyObject *v)
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1106 {
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1107 long x;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1108
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1109 x = PyObject_Hash(v);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1110 if (x == -1)
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1111 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1112 return PyInt_FromLong(x);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1113 }
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1252
diff changeset
1114
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1115 PyDoc_STRVAR(hash_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1116 "hash(object) -> integer\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1117 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1118 Return a hash value for the object. Two objects with the same value have\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1119 the same hash value. The reverse is not necessarily true, but likely.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1120
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1121
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1122 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
1123 builtin_hex(PyObject *self, PyObject *v)
404
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1124 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1125 PyNumberMethods *nb;
32759
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1126 PyObject *res;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1127
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1128 if ((nb = v->ob_type->tp_as_number) == NULL ||
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1129 nb->nb_hex == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1130 PyErr_SetString(PyExc_TypeError,
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1131 "hex() argument can't be converted to hex");
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1132 return NULL;
404
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1133 }
32759
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1134 res = (*nb->nb_hex)(v);
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1135 if (res && !PyString_Check(res)) {
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1136 PyErr_Format(PyExc_TypeError,
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1137 "__hex__ returned non-string (type %.200s)",
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1138 res->ob_type->tp_name);
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1139 Py_DECREF(res);
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1140 return NULL;
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1141 }
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1142 return res;
404
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1143 }
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1144
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1145 PyDoc_STRVAR(hex_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1146 "hex(number) -> string\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1147 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1148 Return the hexadecimal representation of an integer or long integer.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1149
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1150
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13446
diff changeset
1151 static PyObject *builtin_raw_input(PyObject *, PyObject *);
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1049
diff changeset
1152
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1153 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1154 builtin_input(PyObject *self, PyObject *args)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1155 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1156 PyObject *line;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1157 char *str;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1158 PyObject *res;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1159 PyObject *globals, *locals;
31445
1219f1162d1d Fix input() builtin function to respect compiler flags.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31345
diff changeset
1160 PyCompilerFlags cf;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1161
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1162 line = builtin_raw_input(self, args);
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1049
diff changeset
1163 if (line == NULL)
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1049
diff changeset
1164 return line;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1165 if (!PyArg_Parse(line, "s;embedded '\\0' in input line", &str))
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1166 return NULL;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1167 while (*str == ' ' || *str == '\t')
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1168 str++;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1169 globals = PyEval_GetGlobals();
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1170 locals = PyEval_GetLocals();
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1171 if (PyDict_GetItemString(globals, "__builtins__") == NULL) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1172 if (PyDict_SetItemString(globals, "__builtins__",
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1173 PyEval_GetBuiltins()) != 0)
2098
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
1174 return NULL;
b7be0382f9ee __builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents: 2087
diff changeset
1175 }
31445
1219f1162d1d Fix input() builtin function to respect compiler flags.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31345
diff changeset
1176 cf.cf_flags = 0;
1219f1162d1d Fix input() builtin function to respect compiler flags.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31345
diff changeset
1177 PyEval_MergeCompilerFlags(&cf);
1219f1162d1d Fix input() builtin function to respect compiler flags.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31345
diff changeset
1178 res = PyRun_StringFlags(str, Py_eval_input, globals, locals, &cf);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1179 Py_DECREF(line);
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1180 return res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1181 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1182
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1183 PyDoc_STRVAR(input_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1184 "input([prompt]) -> value\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1185 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1186 Equivalent to eval(raw_input(prompt)).");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1187
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1188
5092
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1189 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1190 builtin_intern(PyObject *self, PyObject *args)
5092
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1191 {
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1192 PyObject *s;
11882
dc65c5f6ad7c Massive patch by Skip Montanaro to add ":name" to as many
Guido van Rossum <guido@python.org>
parents: 11800
diff changeset
1193 if (!PyArg_ParseTuple(args, "S:intern", &s))
5092
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1194 return NULL;
33019
5218bff56449 Subclasses of string can no longer be interned. The semantics of
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32896
diff changeset
1195 if (!PyString_CheckExact(s)) {
5218bff56449 Subclasses of string can no longer be interned. The semantics of
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32896
diff changeset
1196 PyErr_SetString(PyExc_TypeError,
5218bff56449 Subclasses of string can no longer be interned. The semantics of
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32896
diff changeset
1197 "can't intern subclass of string");
5218bff56449 Subclasses of string can no longer be interned. The semantics of
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32896
diff changeset
1198 return NULL;
5218bff56449 Subclasses of string can no longer be interned. The semantics of
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32896
diff changeset
1199 }
5092
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1200 Py_INCREF(s);
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1201 PyString_InternInPlace(&s);
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1202 return s;
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1203 }
cb7aadd9d9f2 Added intern() function.
Guido van Rossum <guido@python.org>
parents: 5010
diff changeset
1204
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1205 PyDoc_STRVAR(intern_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1206 "intern(string) -> string\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1207 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1208 ``Intern'' the given string. This enters the string in the (global)\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1209 table of interned strings whose purpose is to speed up dictionary lookups.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1210 Return the string itself or the previously interned string object with the\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1211 same value.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1212
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1213
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1214 static PyObject *
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1215 builtin_iter(PyObject *self, PyObject *args)
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1216 {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1217 PyObject *v, *w = NULL;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1218
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
1219 if (!PyArg_UnpackTuple(args, "iter", 1, 2, &v, &w))
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1220 return NULL;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1221 if (w == NULL)
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1222 return PyObject_GetIter(v);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1223 if (!PyCallable_Check(v)) {
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1224 PyErr_SetString(PyExc_TypeError,
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1225 "iter(v, w): v must be callable");
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1226 return NULL;
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1227 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1228 return PyCallIter_New(v, w);
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1229 }
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1230
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1231 PyDoc_STRVAR(iter_doc,
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1232 "iter(collection) -> iterator\n\
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1233 iter(callable, sentinel) -> iterator\n\
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1234 \n\
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1235 Get an iterator from an object. In the first form, the argument must\n\
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1236 supply its own iterator, or be a sequence.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1237 In the second form, the callable is called until it returns the sentinel.");
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1238
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1239
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17337
diff changeset
1240 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
1241 builtin_len(PyObject *self, PyObject *v)
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1242 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
1243 Py_ssize_t res;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1244
13576
61e4c29d53d8 replace PyXXX_Length calls with PyXXX_Size calls
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13447
diff changeset
1245 res = PyObject_Size(v);
8589
97dc6aa532e7 Fix a stupid little bug: len() of an unsized returns -1 and leaves an
Guido van Rossum <guido@python.org>
parents: 8581
diff changeset
1246 if (res < 0 && PyErr_Occurred())
97dc6aa532e7 Fix a stupid little bug: len() of an unsized returns -1 and leaves an
Guido van Rossum <guido@python.org>
parents: 8581
diff changeset
1247 return NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
1248 return PyInt_FromSsize_t(res);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1249 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1250
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1251 PyDoc_STRVAR(len_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1252 "len(object) -> integer\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1253 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1254 Return the number of items of a sequence or mapping.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1255
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1256
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1257 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
1258 builtin_locals(PyObject *self)
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1259 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1260 PyObject *d;
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1261
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1262 d = PyEval_GetLocals();
39447
71b0ac80a135 It's highly unlikely, though possible for PyEval_Get*() to return NULLs.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39385
diff changeset
1263 Py_XINCREF(d);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1264 return d;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1265 }
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1266
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1267 PyDoc_STRVAR(locals_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1268 "locals() -> dictionary\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1269 \n\
27076
753306f9b0a0 SF bug #655271: Slightly modify locals() doc
Raymond Hettinger <python@rcn.com>
parents: 26824
diff changeset
1270 Update and return a dictionary containing the current scope's local variables.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1271
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1272
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1273 static PyObject *
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1274 min_max(PyObject *args, PyObject *kwds, int op)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1275 {
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1276 PyObject *v, *it, *item, *val, *maxitem, *maxval, *keyfunc=NULL;
33099
ce016d0ec701 Patch #1005468: Disambiguate "min() or max()" exception string.
Martin v. Löwis <martin@v.loewis.de>
parents: 33019
diff changeset
1277 const char *name = op == Py_LT ? "min" : "max";
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1278
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1279 if (PyTuple_Size(args) > 1)
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1280 v = args;
33099
ce016d0ec701 Patch #1005468: Disambiguate "min() or max()" exception string.
Martin v. Löwis <martin@v.loewis.de>
parents: 33019
diff changeset
1281 else if (!PyArg_UnpackTuple(args, (char *)name, 1, 1, &v))
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1282 return NULL;
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
1283
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1284 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds)) {
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1285 keyfunc = PyDict_GetItemString(kwds, "key");
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1286 if (PyDict_Size(kwds)!=1 || keyfunc == NULL) {
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
1287 PyErr_Format(PyExc_TypeError,
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1288 "%s() got an unexpected keyword argument", name);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1289 return NULL;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1290 }
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44747
diff changeset
1291 Py_INCREF(keyfunc);
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
1292 }
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1293
17667
76ee8b62ee2a Generalize max(seq) and min(seq) to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17654
diff changeset
1294 it = PyObject_GetIter(v);
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44747
diff changeset
1295 if (it == NULL) {
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44747
diff changeset
1296 Py_XDECREF(keyfunc);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1297 return NULL;
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44747
diff changeset
1298 }
17667
76ee8b62ee2a Generalize max(seq) and min(seq) to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17654
diff changeset
1299
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1300 maxitem = NULL; /* the result */
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1301 maxval = NULL; /* the value associated with the result */
34123
4e8fb12f8378 Put parentheses around the assignment in the 'while' loop conditional
Brett Cannon <bcannon@gmail.com>
parents: 34085
diff changeset
1302 while (( item = PyIter_Next(it) )) {
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1303 /* get the value from the key function */
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1304 if (keyfunc != NULL) {
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1305 val = PyObject_CallFunctionObjArgs(keyfunc, item, NULL);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1306 if (val == NULL)
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1307 goto Fail_it_item;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1308 }
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1309 /* no key function; the value is the item */
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1310 else {
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1311 val = item;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1312 Py_INCREF(val);
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1313 }
17667
76ee8b62ee2a Generalize max(seq) and min(seq) to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17654
diff changeset
1314
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1315 /* maximum value and item are unset; set them */
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1316 if (maxval == NULL) {
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1317 maxitem = item;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1318 maxval = val;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1319 }
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1320 /* maximum value and item are set; update them as necessary */
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1321 else {
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1322 int cmp = PyObject_RichCompareBool(val, maxval, op);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1323 if (cmp < 0)
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1324 goto Fail_it_item_and_val;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1325 else if (cmp > 0) {
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1326 Py_DECREF(maxval);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1327 Py_DECREF(maxitem);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1328 maxval = val;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1329 maxitem = item;
15949
76ad2a9a3e53 Use rich comparisons in min and max.
Guido van Rossum <guido@python.org>
parents: 15832
diff changeset
1330 }
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1331 else {
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1332 Py_DECREF(item);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1333 Py_DECREF(val);
5610
10e9cfa010f0 PyObject_Compare can raise an exception now.
Guido van Rossum <guido@python.org>
parents: 5471
diff changeset
1334 }
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1335 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1336 }
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1337 if (PyErr_Occurred())
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1338 goto Fail_it;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1339 if (maxval == NULL) {
33099
ce016d0ec701 Patch #1005468: Disambiguate "min() or max()" exception string.
Martin v. Löwis <martin@v.loewis.de>
parents: 33019
diff changeset
1340 PyErr_Format(PyExc_ValueError,
ce016d0ec701 Patch #1005468: Disambiguate "min() or max()" exception string.
Martin v. Löwis <martin@v.loewis.de>
parents: 33019
diff changeset
1341 "%s() arg is an empty sequence", name);
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1342 assert(maxitem == NULL);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1343 }
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1344 else
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1345 Py_DECREF(maxval);
17667
76ee8b62ee2a Generalize max(seq) and min(seq) to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17654
diff changeset
1346 Py_DECREF(it);
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44747
diff changeset
1347 Py_XDECREF(keyfunc);
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1348 return maxitem;
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1349
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1350 Fail_it_item_and_val:
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1351 Py_DECREF(val);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1352 Fail_it_item:
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1353 Py_DECREF(item);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1354 Fail_it:
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1355 Py_XDECREF(maxval);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1356 Py_XDECREF(maxitem);
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1357 Py_DECREF(it);
44894
4c8308ac20cd Fix two crashers.
Guido van Rossum <guido@python.org>
parents: 44747
diff changeset
1358 Py_XDECREF(keyfunc);
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1359 return NULL;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1360 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1361
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1362 static PyObject *
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1363 builtin_min(PyObject *self, PyObject *args, PyObject *kwds)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1364 {
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1365 return min_max(args, kwds, Py_LT);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1366 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1367
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1368 PyDoc_STRVAR(min_doc,
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1369 "min(iterable[, key=func]) -> value\n\
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1370 min(a, b, c, ...[, key=func]) -> value\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1371 \n\
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1372 With a single iterable argument, return its smallest item.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1373 With two or more arguments, return the smallest argument.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1374
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1375
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1376 static PyObject *
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1377 builtin_max(PyObject *self, PyObject *args, PyObject *kwds)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1378 {
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1379 return min_max(args, kwds, Py_GT);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1380 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1381
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1382 PyDoc_STRVAR(max_doc,
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1383 "max(iterable[, key=func]) -> value\n\
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1384 max(a, b, c, ...[, key=func]) -> value\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1385 \n\
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
1386 With a single iterable argument, return its largest item.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1387 With two or more arguments, return the largest argument.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1388
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1389
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1390 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
1391 builtin_oct(PyObject *self, PyObject *v)
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1392 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1393 PyNumberMethods *nb;
32759
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1394 PyObject *res;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1395
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1396 if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL ||
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1397 nb->nb_oct == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1398 PyErr_SetString(PyExc_TypeError,
1049
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1399 "oct() argument can't be converted to oct");
2ed511171809 Made builtins int(), long(), float(), oct() and hex() more generic.
Guido van Rossum <guido@python.org>
parents: 972
diff changeset
1400 return NULL;
404
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1401 }
32759
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1402 res = (*nb->nb_oct)(v);
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1403 if (res && !PyString_Check(res)) {
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1404 PyErr_Format(PyExc_TypeError,
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1405 "__oct__ returned non-string (type %.200s)",
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1406 res->ob_type->tp_name);
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1407 Py_DECREF(res);
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1408 return NULL;
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1409 }
d1777f51923b Check the type of values returned by __int__, __float__, __long__,
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 32526
diff changeset
1410 return res;
404
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1411 }
9cd38d1ac391 Made dir() more robust.
Guido van Rossum <guido@python.org>
parents: 385
diff changeset
1412
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1413 PyDoc_STRVAR(oct_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1414 "oct(number) -> string\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1415 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1416 Return the octal representation of an integer or long integer.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1417
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1418
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1419 static PyObject *
38077
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1420 builtin_open(PyObject *self, PyObject *args, PyObject *kwds)
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1421 {
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1422 return PyObject_Call((PyObject*)&PyFile_Type, args, kwds);
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1423 }
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1424
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1425 PyDoc_STRVAR(open_doc,
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1426 "open(name[, mode[, buffering]]) -> file object\n\
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1427 \n\
44222
9a976a6ee936 Note that open() is the preferred way to open files (issue 1510).
Skip Montanaro <skip@pobox.com>
parents: 44193
diff changeset
1428 Open a file using the file() type, returns a file object. This is the\n\
9a976a6ee936 Note that open() is the preferred way to open files (issue 1510).
Skip Montanaro <skip@pobox.com>
parents: 44193
diff changeset
1429 preferred way to open a file.");
38077
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1430
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1431
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
1432 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
1433 builtin_ord(PyObject *self, PyObject* obj)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1434 {
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
1435 long ord;
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1436 Py_ssize_t size;
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
1437
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1438 if (PyString_Check(obj)) {
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1439 size = PyString_GET_SIZE(obj);
15635
838551869790 Patch #102955, fixing one of the warnings in bug #121479:
Andrew M. Kuchling <amk@amk.ca>
parents: 15478
diff changeset
1440 if (size == 1) {
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1441 ord = (long)((unsigned char)*PyString_AS_STRING(obj));
15635
838551869790 Patch #102955, fixing one of the warnings in bug #121479:
Andrew M. Kuchling <amk@amk.ca>
parents: 15478
diff changeset
1442 return PyInt_FromLong(ord);
838551869790 Patch #102955, fixing one of the warnings in bug #121479:
Andrew M. Kuchling <amk@amk.ca>
parents: 15478
diff changeset
1443 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
1444 #ifdef Py_USING_UNICODE
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1445 } else if (PyUnicode_Check(obj)) {
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1446 size = PyUnicode_GET_SIZE(obj);
15635
838551869790 Patch #102955, fixing one of the warnings in bug #121479:
Andrew M. Kuchling <amk@amk.ca>
parents: 15478
diff changeset
1447 if (size == 1) {
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1448 ord = (long)*PyUnicode_AS_UNICODE(obj);
15635
838551869790 Patch #102955, fixing one of the warnings in bug #121479:
Andrew M. Kuchling <amk@amk.ca>
parents: 15478
diff changeset
1449 return PyInt_FromLong(ord);
838551869790 Patch #102955, fixing one of the warnings in bug #121479:
Andrew M. Kuchling <amk@amk.ca>
parents: 15478
diff changeset
1450 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
1451 #endif
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1452 } else {
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1453 PyErr_Format(PyExc_TypeError,
15654
6405f30aa08c CHange error messages for ord(), using "string" instead of "string or Unicode"
Andrew M. Kuchling <amk@amk.ca>
parents: 15637
diff changeset
1454 "ord() expected string of length 1, but " \
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1455 "%.200s found", obj->ob_type->tp_name);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1456 return NULL;
11973
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
1457 }
8bdc25d22925 Marc-Andre Lemburg: added new builtin functions unicode() and
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
1458
15829
9308dc8c85e0 (Modified) patch by Ping - SF Patch #102681.
Guido van Rossum <guido@python.org>
parents: 15727
diff changeset
1459 PyErr_Format(PyExc_TypeError,
15654
6405f30aa08c CHange error messages for ord(), using "string" instead of "string or Unicode"
Andrew M. Kuchling <amk@amk.ca>
parents: 15637
diff changeset
1460 "ord() expected a character, "
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
1461 "but string of length %zd found",
12384
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1462 size);
aa013f2cf80b ord: provide better error messages
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12368
diff changeset
1463 return NULL;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1464 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1465
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1466 PyDoc_STRVAR(ord_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1467 "ord(c) -> integer\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1468 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1469 Return the integer ordinal of a one-character string.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1470
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1471
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1472 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1473 builtin_pow(PyObject *self, PyObject *args)
2087
65146b52f16b * Python/bltinmodule.c: restructured coerce(), divmod(), pow() to
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1474 {
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
1475 PyObject *v, *w, *z = Py_None;
2087
65146b52f16b * Python/bltinmodule.c: restructured coerce(), divmod(), pow() to
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1476
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
1477 if (!PyArg_UnpackTuple(args, "pow", 2, 3, &v, &w, &z))
2087
65146b52f16b * Python/bltinmodule.c: restructured coerce(), divmod(), pow() to
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1478 return NULL;
8402
0cb0394c2edc A bunch of functions are now properly implemented in abstract.c, and
Guido van Rossum <guido@python.org>
parents: 8287
diff changeset
1479 return PyNumber_Power(v, w, z);
223
6693c5d87f3a Added long() and support for longs in int() and float();
Guido van Rossum <guido@python.org>
parents: 182
diff changeset
1480 }
6693c5d87f3a Added long() and support for longs in int() and float();
Guido van Rossum <guido@python.org>
parents: 182
diff changeset
1481
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1482 PyDoc_STRVAR(pow_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1483 "pow(x, y[, z]) -> number\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1484 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1485 With two arguments, equivalent to x**y. With three arguments,\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1486 equivalent to (x**y) % z, but may be more efficient (e.g. for longs).");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1487
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1488
45891
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1489 static PyObject *
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1490 builtin_print(PyObject *self, PyObject *args, PyObject *kwds)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1491 {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1492 static char *kwlist[] = {"sep", "end", "file", 0};
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1493 static PyObject *dummy_args;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1494 PyObject *sep = NULL, *end = NULL, *file = NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1495 int i, err;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1496
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1497 if (dummy_args == NULL) {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1498 if (!(dummy_args = PyTuple_New(0)))
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1499 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1500 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1501 if (!PyArg_ParseTupleAndKeywords(dummy_args, kwds, "|OOO:print",
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1502 kwlist, &sep, &end, &file))
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1503 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1504 if (file == NULL || file == Py_None) {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1505 file = PySys_GetObject("stdout");
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1506 /* sys.stdout may be None when FILE* stdout isn't connected */
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1507 if (file == Py_None)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1508 Py_RETURN_NONE;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1509 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1510
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1511 if (sep && sep != Py_None && !PyString_Check(sep) &&
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1512 !PyUnicode_Check(sep)) {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1513 PyErr_Format(PyExc_TypeError,
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1514 "sep must be None, str or unicode, not %.200s",
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1515 sep->ob_type->tp_name);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1516 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1517 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1518 if (end && end != Py_None && !PyString_Check(end) &&
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1519 !PyUnicode_Check(end)) {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1520 PyErr_Format(PyExc_TypeError,
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1521 "end must be None, str or unicode, not %.200s",
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1522 end->ob_type->tp_name);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1523 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1524 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1525
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1526 for (i = 0; i < PyTuple_Size(args); i++) {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1527 if (i > 0) {
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1528 if (sep == NULL || sep == Py_None)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1529 err = PyFile_WriteString(" ", file);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1530 else
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1531 err = PyFile_WriteObject(sep, file,
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1532 Py_PRINT_RAW);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1533 if (err)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1534 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1535 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1536 err = PyFile_WriteObject(PyTuple_GetItem(args, i), file,
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1537 Py_PRINT_RAW);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1538 if (err)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1539 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1540 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1541
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1542 if (end == NULL || end == Py_None)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1543 err = PyFile_WriteString("\n", file);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1544 else
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1545 err = PyFile_WriteObject(end, file, Py_PRINT_RAW);
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1546 if (err)
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1547 return NULL;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1548
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1549 Py_RETURN_NONE;
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1550 }
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1551
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1552 PyDoc_STRVAR(print_doc,
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1553 "print(value, ..., sep=' ', end='\\n', file=sys.stdout)\n\
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1554 \n\
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1555 Prints the values to a stream, or to sys.stdout by default.\n\
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1556 Optional keyword arguments:\n\
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1557 file: a file-like object (stream); defaults to the current sys.stdout.\n\
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1558 sep: string inserted between values, default a space.\n\
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1559 end: string appended after the last value, default a newline.");
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
1560
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1561
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1562 /* Return number of items in range (lo, hi, step), when arguments are
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1563 * PyInt or PyLong objects. step > 0 required. Return a value < 0 if
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1564 * & only if the true value is too large to fit in a signed long.
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1565 * Arguments MUST return 1 with either PyInt_Check() or
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1566 * PyLong_Check(). Return -1 when there is an error.
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1567 */
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1568 static long
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1569 get_len_of_range_longs(PyObject *lo, PyObject *hi, PyObject *step)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1570 {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1571 /* -------------------------------------------------------------
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1572 Algorithm is equal to that of get_len_of_range(), but it operates
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1573 on PyObjects (which are assumed to be PyLong or PyInt objects).
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1574 ---------------------------------------------------------------*/
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1575 long n;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1576 PyObject *diff = NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1577 PyObject *one = NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1578 PyObject *tmp1 = NULL, *tmp2 = NULL, *tmp3 = NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1579 /* holds sub-expression evaluations */
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1580
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1581 /* if (lo >= hi), return length of 0. */
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1582 if (PyObject_Compare(lo, hi) >= 0)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1583 return 0;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1584
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1585 if ((one = PyLong_FromLong(1L)) == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1586 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1587
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1588 if ((tmp1 = PyNumber_Subtract(hi, lo)) == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1589 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1590
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1591 if ((diff = PyNumber_Subtract(tmp1, one)) == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1592 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1593
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1594 if ((tmp2 = PyNumber_FloorDivide(diff, step)) == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1595 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1596
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1597 if ((tmp3 = PyNumber_Add(tmp2, one)) == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1598 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1599
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1600 n = PyLong_AsLong(tmp3);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1601 if (PyErr_Occurred()) { /* Check for Overflow */
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1602 PyErr_Clear();
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1603 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1604 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1605
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1606 Py_DECREF(tmp3);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1607 Py_DECREF(tmp2);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1608 Py_DECREF(diff);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1609 Py_DECREF(tmp1);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1610 Py_DECREF(one);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1611 return n;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1612
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1613 Fail:
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1614 Py_XDECREF(tmp3);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1615 Py_XDECREF(tmp2);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1616 Py_XDECREF(diff);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1617 Py_XDECREF(tmp1);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1618 Py_XDECREF(one);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1619 return -1;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1620 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1621
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1622 /* An extension of builtin_range() that handles the case when PyLong
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1623 * arguments are given. */
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1624 static PyObject *
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1625 handle_range_longs(PyObject *self, PyObject *args)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1626 {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1627 PyObject *ilow;
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1628 PyObject *ihigh = NULL;
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1629 PyObject *istep = NULL;
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1630
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1631 PyObject *curnum = NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1632 PyObject *v = NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1633 long bign;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1634 int i, n;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1635 int cmp_result;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1636
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1637 PyObject *zero = PyLong_FromLong(0);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1638
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1639 if (zero == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1640 return NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1641
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1642 if (!PyArg_UnpackTuple(args, "range", 1, 3, &ilow, &ihigh, &istep)) {
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1643 Py_DECREF(zero);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1644 return NULL;
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1645 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1646
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1647 /* Figure out which way we were called, supply defaults, and be
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1648 * sure to incref everything so that the decrefs at the end
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1649 * are correct.
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1650 */
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1651 assert(ilow != NULL);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1652 if (ihigh == NULL) {
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1653 /* only 1 arg -- it's the upper limit */
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1654 ihigh = ilow;
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1655 ilow = NULL;
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1656 }
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1657 assert(ihigh != NULL);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1658 Py_INCREF(ihigh);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1659
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1660 /* ihigh correct now; do ilow */
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1661 if (ilow == NULL)
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1662 ilow = zero;
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1663 Py_INCREF(ilow);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1664
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1665 /* ilow and ihigh correct now; do istep */
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1666 if (istep == NULL) {
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1667 istep = PyLong_FromLong(1L);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1668 if (istep == NULL)
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1669 goto Fail;
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1670 }
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1671 else {
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1672 Py_INCREF(istep);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1673 }
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1674
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1675 if (!PyInt_Check(ilow) && !PyLong_Check(ilow)) {
28612
0792caa6371c Some errors from range() should be TypeError, not ValueError.
Guido van Rossum <guido@python.org>
parents: 28604
diff changeset
1676 PyErr_Format(PyExc_TypeError,
28738
52f3d90c17e8 complete and clarify some error messages for range()
Alex Martelli <aleaxit@gmail.com>
parents: 28718
diff changeset
1677 "range() integer start argument expected, got %s.",
28604
eee4969adbae Prompted by Tim's comment, when handle_range_longs() sees an
Guido van Rossum <guido@python.org>
parents: 28597
diff changeset
1678 ilow->ob_type->tp_name);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1679 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1680 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1681
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1682 if (!PyInt_Check(ihigh) && !PyLong_Check(ihigh)) {
28612
0792caa6371c Some errors from range() should be TypeError, not ValueError.
Guido van Rossum <guido@python.org>
parents: 28604
diff changeset
1683 PyErr_Format(PyExc_TypeError,
28738
52f3d90c17e8 complete and clarify some error messages for range()
Alex Martelli <aleaxit@gmail.com>
parents: 28718
diff changeset
1684 "range() integer end argument expected, got %s.",
28604
eee4969adbae Prompted by Tim's comment, when handle_range_longs() sees an
Guido van Rossum <guido@python.org>
parents: 28597
diff changeset
1685 ihigh->ob_type->tp_name);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1686 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1687 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1688
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1689 if (!PyInt_Check(istep) && !PyLong_Check(istep)) {
28612
0792caa6371c Some errors from range() should be TypeError, not ValueError.
Guido van Rossum <guido@python.org>
parents: 28604
diff changeset
1690 PyErr_Format(PyExc_TypeError,
28738
52f3d90c17e8 complete and clarify some error messages for range()
Alex Martelli <aleaxit@gmail.com>
parents: 28718
diff changeset
1691 "range() integer step argument expected, got %s.",
28604
eee4969adbae Prompted by Tim's comment, when handle_range_longs() sees an
Guido van Rossum <guido@python.org>
parents: 28597
diff changeset
1692 istep->ob_type->tp_name);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1693 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1694 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1695
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1696 if (PyObject_Cmp(istep, zero, &cmp_result) == -1)
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1697 goto Fail;
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1698 if (cmp_result == 0) {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1699 PyErr_SetString(PyExc_ValueError,
28738
52f3d90c17e8 complete and clarify some error messages for range()
Alex Martelli <aleaxit@gmail.com>
parents: 28718
diff changeset
1700 "range() step argument must not be zero");
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1701 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1702 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1703
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1704 if (cmp_result > 0)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1705 bign = get_len_of_range_longs(ilow, ihigh, istep);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1706 else {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1707 PyObject *neg_istep = PyNumber_Negative(istep);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1708 if (neg_istep == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1709 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1710 bign = get_len_of_range_longs(ihigh, ilow, neg_istep);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1711 Py_DECREF(neg_istep);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1712 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1713
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1714 n = (int)bign;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1715 if (bign < 0 || (long)n != bign) {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1716 PyErr_SetString(PyExc_OverflowError,
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1717 "range() result has too many items");
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1718 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1719 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1720
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1721 v = PyList_New(n);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1722 if (v == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1723 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1724
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1725 curnum = ilow;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1726 Py_INCREF(curnum);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1727
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1728 for (i = 0; i < n; i++) {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1729 PyObject *w = PyNumber_Long(curnum);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1730 PyObject *tmp_num;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1731 if (w == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1732 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1733
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1734 PyList_SET_ITEM(v, i, w);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1735
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1736 tmp_num = PyNumber_Add(curnum, istep);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1737 if (tmp_num == NULL)
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1738 goto Fail;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1739
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1740 Py_DECREF(curnum);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1741 curnum = tmp_num;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1742 }
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1743 Py_DECREF(ilow);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1744 Py_DECREF(ihigh);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1745 Py_DECREF(istep);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1746 Py_DECREF(zero);
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1747 Py_DECREF(curnum);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1748 return v;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1749
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1750 Fail:
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1751 Py_DECREF(ilow);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1752 Py_DECREF(ihigh);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1753 Py_XDECREF(istep);
28597
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1754 Py_DECREF(zero);
d2d232e2427b handle_range_longs(): refcount handling is very delicate here, and
Tim Peters <tim.peters@gmail.com>
parents: 28583
diff changeset
1755 Py_XDECREF(curnum);
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1756 Py_XDECREF(v);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1757 return NULL;
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1758 }
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1759
10279
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1760 /* Return number of items in range/xrange (lo, hi, step). step > 0
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1761 * required. Return a value < 0 if & only if the true value is too
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1762 * large to fit in a signed long.
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1763 */
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1764 static long
13679
61f65de19e1e Another missed ansification.
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1765 get_len_of_range(long lo, long hi, long step)
10279
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1766 {
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1767 /* -------------------------------------------------------------
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1768 If lo >= hi, the range is empty.
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1769 Else if n values are in the range, the last one is
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1770 lo + (n-1)*step, which must be <= hi-1. Rearranging,
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1771 n <= (hi - lo - 1)/step + 1, so taking the floor of the RHS gives
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1772 the proper value. Since lo < hi in this case, hi-lo-1 >= 0, so
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1773 the RHS is non-negative and so truncation is the same as the
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1774 floor. Letting M be the largest positive long, the worst case
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1775 for the RHS numerator is hi=M, lo=-M-1, and then
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1776 hi-lo-1 = M-(-M-1)-1 = 2*M. Therefore unsigned long has enough
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1777 precision to compute the RHS exactly.
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1778 ---------------------------------------------------------------*/
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1779 long n = 0;
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1780 if (lo < hi) {
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1781 unsigned long uhi = (unsigned long)hi;
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1782 unsigned long ulo = (unsigned long)lo;
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1783 unsigned long diff = uhi - ulo - 1;
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1784 n = (long)(diff / (unsigned long)step + 1);
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1785 }
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1786 return n;
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1787 }
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1788
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1789 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1790 builtin_range(PyObject *self, PyObject *args)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1791 {
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1792 long ilow = 0, ihigh = 0, istep = 1;
10279
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1793 long bign;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1794 int i, n;
10279
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1795
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1796 PyObject *v;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1797
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1798 if (PyTuple_Size(args) <= 1) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1799 if (!PyArg_ParseTuple(args,
2153
e54b8654f938 fix Alpha bug in (x)range; different __builtins__ initialization
Guido van Rossum <guido@python.org>
parents: 2120
diff changeset
1800 "l;range() requires 1-3 int arguments",
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1801 &ihigh)) {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1802 PyErr_Clear();
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1803 return handle_range_longs(self, args);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1804 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1805 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1806 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1807 if (!PyArg_ParseTuple(args,
2153
e54b8654f938 fix Alpha bug in (x)range; different __builtins__ initialization
Guido van Rossum <guido@python.org>
parents: 2120
diff changeset
1808 "ll|l;range() requires 1-3 int arguments",
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1809 &ilow, &ihigh, &istep)) {
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1810 PyErr_Clear();
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1811 return handle_range_longs(self, args);
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1812 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1813 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1814 if (istep == 0) {
28583
a0c002050526 Patch by Chad Netzer (with significant change):
Guido van Rossum <guido@python.org>
parents: 28513
diff changeset
1815 PyErr_SetString(PyExc_ValueError,
28738
52f3d90c17e8 complete and clarify some error messages for range()
Alex Martelli <aleaxit@gmail.com>
parents: 28718
diff changeset
1816 "range() step argument must not be zero");
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1817 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1818 }
10279
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1819 if (istep > 0)
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1820 bign = get_len_of_range(ilow, ihigh, istep);
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1821 else
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1822 bign = get_len_of_range(ihigh, ilow, -istep);
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1823 n = (int)bign;
886ea255f381 Patch by Tim Peters to improve the range checks for range() and
Guido van Rossum <guido@python.org>
parents: 10020
diff changeset
1824 if (bign < 0 || (long)n != bign) {
9849
5e9ef9d8575b Avoid overflow if possible in calculations for range(); report
Guido van Rossum <guido@python.org>
parents: 9567
diff changeset
1825 PyErr_SetString(PyExc_OverflowError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 14869
diff changeset
1826 "range() result has too many items");
9849
5e9ef9d8575b Avoid overflow if possible in calculations for range(); report
Guido van Rossum <guido@python.org>
parents: 9567
diff changeset
1827 return NULL;
5e9ef9d8575b Avoid overflow if possible in calculations for range(); report
Guido van Rossum <guido@python.org>
parents: 9567
diff changeset
1828 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1829 v = PyList_New(n);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1830 if (v == NULL)
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1831 return NULL;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1832 for (i = 0; i < n; i++) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1833 PyObject *w = PyInt_FromLong(ilow);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1834 if (w == NULL) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1835 Py_DECREF(v);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1836 return NULL;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1837 }
8138
9d0310143600 Fred's right -- we need PyList_SET_ITEM().
Guido van Rossum <guido@python.org>
parents: 8132
diff changeset
1838 PyList_SET_ITEM(v, i, w);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1839 ilow += istep;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1840 }
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1841 return v;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1842 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1843
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1844 PyDoc_STRVAR(range_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1845 "range([start,] stop[, step]) -> list of integers\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1846 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1847 Return a list containing an arithmetic progression of integers.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1848 range(i, j) returns [i, i+1, i+2, ..., j-1]; start (!) defaults to 0.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1849 When step is given, it specifies the increment (or decrement).\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1850 For example, range(4) returns [0, 1, 2, 3]. The end point is omitted!\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1851 These are exactly the valid indices for a list of 4 elements.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1852
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1853
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1854 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1855 builtin_raw_input(PyObject *self, PyObject *args)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1856 {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1857 PyObject *v = NULL;
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1858 PyObject *fin = PySys_GetObject("stdin");
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1859 PyObject *fout = PySys_GetObject("stdout");
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1860
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
1861 if (!PyArg_UnpackTuple(args, "[raw_]input", 0, 1, &v))
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1862 return NULL;
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1863
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1864 if (fin == NULL) {
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
1865 PyErr_SetString(PyExc_RuntimeError, "[raw_]input: lost sys.stdin");
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1866 return NULL;
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1867 }
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1868 if (fout == NULL) {
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
1869 PyErr_SetString(PyExc_RuntimeError, "[raw_]input: lost sys.stdout");
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1870 return NULL;
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1871 }
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1872 if (PyFile_SoftSpace(fout, 0)) {
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1873 if (PyFile_WriteString(" ", fout) != 0)
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1874 return NULL;
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1875 }
39385
5009de504f92 Bug #1535165: fixed a segfault in input() and raw_input() when
Georg Brandl <georg@python.org>
parents: 38077
diff changeset
1876 if (PyFile_AsFile(fin) && PyFile_AsFile(fout)
25924
dc4a0336a2a3 Patch #512981: Update readline input stream on sys.stdin/out change.
Martin v. Löwis <martin@v.loewis.de>
parents: 25046
diff changeset
1877 && isatty(fileno(PyFile_AsFile(fin)))
dc4a0336a2a3 Patch #512981: Update readline input stream on sys.stdin/out change.
Martin v. Löwis <martin@v.loewis.de>
parents: 25046
diff changeset
1878 && isatty(fileno(PyFile_AsFile(fout)))) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1879 PyObject *po;
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1880 char *prompt;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1881 char *s;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1882 PyObject *result;
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1883 if (v != NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1884 po = PyObject_Str(v);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1885 if (po == NULL)
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1886 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1887 prompt = PyString_AsString(po);
8560
46fd630dce63 In raw_input(prompt), make sure that str(prompt) really a string
Guido van Rossum <guido@python.org>
parents: 8451
diff changeset
1888 if (prompt == NULL)
46fd630dce63 In raw_input(prompt), make sure that str(prompt) really a string
Guido van Rossum <guido@python.org>
parents: 8451
diff changeset
1889 return NULL;
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1890 }
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1891 else {
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1892 po = NULL;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1893 prompt = "";
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1894 }
32896
a75815e31545 for some reason, the lack of adherence to Python's C whitespace rules
Michael W. Hudson <mwh@python.net>
parents: 32890
diff changeset
1895 s = PyOS_Readline(PyFile_AsFile(fin), PyFile_AsFile(fout),
25924
dc4a0336a2a3 Patch #512981: Update readline input stream on sys.stdin/out change.
Martin v. Löwis <martin@v.loewis.de>
parents: 25046
diff changeset
1896 prompt);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1897 Py_XDECREF(po);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1898 if (s == NULL) {
32526
78bd25b42d46 This closes patch:
Michael W. Hudson <mwh@python.net>
parents: 32507
diff changeset
1899 if (!PyErr_Occurred())
78bd25b42d46 This closes patch:
Michael W. Hudson <mwh@python.net>
parents: 32507
diff changeset
1900 PyErr_SetNone(PyExc_KeyboardInterrupt);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1901 return NULL;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1902 }
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1903 if (*s == '\0') {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1904 PyErr_SetNone(PyExc_EOFError);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1905 result = NULL;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1906 }
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1907 else { /* strip trailing '\n' */
13078
1d0407960953 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12961
diff changeset
1908 size_t len = strlen(s);
37673
606818c33e50 Replace INT_MAX with PY_SSIZE_T_MAX.
Martin v. Löwis <martin@v.loewis.de>
parents: 37411
diff changeset
1909 if (len > PY_SSIZE_T_MAX) {
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1910 PyErr_SetString(PyExc_OverflowError,
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
1911 "[raw_]input: input too long");
13078
1d0407960953 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12961
diff changeset
1912 result = NULL;
1d0407960953 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12961
diff changeset
1913 }
1d0407960953 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12961
diff changeset
1914 else {
37673
606818c33e50 Replace INT_MAX with PY_SSIZE_T_MAX.
Martin v. Löwis <martin@v.loewis.de>
parents: 37411
diff changeset
1915 result = PyString_FromStringAndSize(s, len-1);
13078
1d0407960953 Trent Mick:
Guido van Rossum <guido@python.org>
parents: 12961
diff changeset
1916 }
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1917 }
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12572
diff changeset
1918 PyMem_FREE(s);
2808
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1919 return result;
9318ac51691e added locals() and globals(); [raw_]input() uses readline()
Guido van Rossum <guido@python.org>
parents: 2375
diff changeset
1920 }
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 253
diff changeset
1921 if (v != NULL) {
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1922 if (PyFile_WriteObject(v, fout, Py_PRINT_RAW) != 0)
284
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 253
diff changeset
1923 return NULL;
6ac402023cac printobject now returns an error code
Guido van Rossum <guido@python.org>
parents: 253
diff changeset
1924 }
24817
3ae8e3ff7e3f Patch #550192: Set softspace to 0 in raw_input().
Martin v. Löwis <martin@v.loewis.de>
parents: 24737
diff changeset
1925 return PyFile_GetLine(fin, -1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1926 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
1927
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1928 PyDoc_STRVAR(raw_input_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1929 "raw_input([prompt]) -> string\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1930 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1931 Read a string from standard input. The trailing newline is stripped.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1932 If the user hits EOF (Unix: Ctl-D, Windows: Ctl-Z+Return), raise EOFError.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1933 On Unix, GNU readline is used if enabled. The prompt string, if given,\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
1934 is printed without a trailing newline before reading.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1935
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
1936
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1937 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
1938 builtin_reduce(PyObject *self, PyObject *args)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1939 {
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1940 PyObject *seq, *func, *result = NULL, *it;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1941
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
1942 if (Py_Py3kWarningFlag &&
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
1943 PyErr_Warn(PyExc_DeprecationWarning,
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
1944 "reduce() not supported in 3.x") < 0)
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
1945 return NULL;
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
1946
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
1947 if (!PyArg_UnpackTuple(args, "reduce", 2, 3, &func, &seq, &result))
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1948 return NULL;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
1949 if (result != NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1950 Py_INCREF(result);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1951
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1952 it = PyObject_GetIter(seq);
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1953 if (it == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1954 PyErr_SetString(PyExc_TypeError,
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1955 "reduce() arg 2 must support iteration");
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1956 Py_XDECREF(result);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1957 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1958 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1959
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1960 if ((args = PyTuple_New(2)) == NULL)
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1961 goto Fail;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1962
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1963 for (;;) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1964 PyObject *op2;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1965
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1966 if (args->ob_refcnt > 1) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1967 Py_DECREF(args);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1968 if ((args = PyTuple_New(2)) == NULL)
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1969 goto Fail;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1970 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1971
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1972 op2 = PyIter_Next(it);
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1973 if (op2 == NULL) {
17683
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
1974 if (PyErr_Occurred())
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
1975 goto Fail;
e9a4e27e8d4e Make PyIter_Next() a little smarter (wrt its knowledge of iterator
Tim Peters <tim.peters@gmail.com>
parents: 17677
diff changeset
1976 break;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1977 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1978
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1979 if (result == NULL)
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1980 result = op2;
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1981 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1982 PyTuple_SetItem(args, 0, result);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1983 PyTuple_SetItem(args, 1, op2);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1984 if ((result = PyEval_CallObject(func, args)) == NULL)
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1985 goto Fail;
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1986 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1987 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1988
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1989 Py_DECREF(args);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1990
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1991 if (result == NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1992 PyErr_SetString(PyExc_TypeError,
15318
8aa947e1eee8 Ka-Ping Yee <ping@lfw.org>:
Fred Drake <fdrake@acm.org>
parents: 14869
diff changeset
1993 "reduce() of empty sequence with no initial value");
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1994
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
1995 Py_DECREF(it);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1996 return result;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
1997
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
1998 Fail:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
1999 Py_XDECREF(args);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2000 Py_XDECREF(result);
17677
bf7f166d3c97 Generalize reduce() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17675
diff changeset
2001 Py_DECREF(it);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2002 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2003 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2004
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2005 PyDoc_STRVAR(reduce_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2006 "reduce(function, sequence[, initial]) -> value\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2007 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2008 Apply a function of two arguments cumulatively to the items of a sequence,\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2009 from left to right, so as to reduce the sequence to a single value.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2010 For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2011 ((((1+2)+3)+4)+5). If initial is present, it is placed before the items\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2012 of the sequence in the calculation, and serves as a default when the\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2013 sequence is empty.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2014
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2015
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2016 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2017 builtin_reload(PyObject *self, PyObject *v)
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
2018 {
41834
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
2019 if (Py_Py3kWarningFlag &&
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
2020 PyErr_Warn(PyExc_DeprecationWarning,
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
2021 "reload() not supported in 3.x") < 0)
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
2022 return NULL;
9a447514855f Add a bunch more deprecation warnings for builtins that are going away in 3.0
Neal Norwitz <nnorwitz@gmail.com>
parents: 41832
diff changeset
2023
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2024 return PyImport_ReloadModule(v);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
2025 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
2026
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2027 PyDoc_STRVAR(reload_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2028 "reload(module) -> module\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2029 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2030 Reload the module. The module must have been successfully imported before.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2031
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2032
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2033 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2034 builtin_repr(PyObject *self, PyObject *v)
1094
d2af6bdcb6d0 * config.c: Added audioop to lists.
Guido van Rossum <guido@python.org>
parents: 1079
diff changeset
2035 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2036 return PyObject_Repr(v);
1094
d2af6bdcb6d0 * config.c: Added audioop to lists.
Guido van Rossum <guido@python.org>
parents: 1079
diff changeset
2037 }
d2af6bdcb6d0 * config.c: Added audioop to lists.
Guido van Rossum <guido@python.org>
parents: 1079
diff changeset
2038
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2039 PyDoc_STRVAR(repr_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2040 "repr(object) -> string\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2041 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2042 Return the canonical string representation of the object.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2043 For most object types, eval(repr(object)) == object.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2044
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2045
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2046 static PyObject *
37344
c6cf11acb41f Patch #1460496: round() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 36866
diff changeset
2047 builtin_round(PyObject *self, PyObject *args, PyObject *kwds)
1215
9d6cf529bb71 bltinmodule.c: added round(x, [n]); coerce() of two class instances
Guido van Rossum <guido@python.org>
parents: 1096
diff changeset
2048 {
44488
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2049 double number;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2050 double f;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2051 int ndigits = 0;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2052 int i;
37344
c6cf11acb41f Patch #1460496: round() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 36866
diff changeset
2053 static char *kwlist[] = {"number", "ndigits", 0};
44432
4f9723d9ca32 Backport PEP 3141 from the py3k branch to the trunk. This includes r50877 (just
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44367
diff changeset
2054
44488
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2055 if (!PyArg_ParseTupleAndKeywords(args, kwds, "d|i:round",
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2056 kwlist, &number, &ndigits))
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2057 return NULL;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2058 f = 1.0;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2059 i = abs(ndigits);
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2060 while (--i >= 0)
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2061 f = f*10.0;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2062 if (ndigits < 0)
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2063 number /= f;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2064 else
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2065 number *= f;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2066 if (number >= 0.0)
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2067 number = floor(number + 0.5);
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2068 else
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2069 number = ceil(number - 0.5);
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2070 if (ndigits < 0)
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2071 number *= f;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2072 else
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2073 number /= f;
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2074 return PyFloat_FromDouble(number);
1215
9d6cf529bb71 bltinmodule.c: added round(x, [n]); coerce() of two class instances
Guido van Rossum <guido@python.org>
parents: 1096
diff changeset
2075 }
9d6cf529bb71 bltinmodule.c: added round(x, [n]); coerce() of two class instances
Guido van Rossum <guido@python.org>
parents: 1096
diff changeset
2076
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2077 PyDoc_STRVAR(round_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2078 "round(number[, ndigits]) -> floating point number\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2079 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2080 Round a number to a given precision in decimal digits (default 0 digits).\n\
44488
94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 44432
diff changeset
2081 This always returns a floating point number. Precision may be negative.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2082
31210
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2083 static PyObject *
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2084 builtin_sorted(PyObject *self, PyObject *args, PyObject *kwds)
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2085 {
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2086 PyObject *newlist, *v, *seq, *compare=NULL, *keyfunc=NULL, *newargs;
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2087 PyObject *callable;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36660
diff changeset
2088 static char *kwlist[] = {"iterable", "cmp", "key", "reverse", 0};
36034
fdf0ac36eb74 Fix an int/long mismatch identified here:
Neal Norwitz <nnorwitz@gmail.com>
parents: 35999
diff changeset
2089 int reverse;
31210
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2090
36034
fdf0ac36eb74 Fix an int/long mismatch identified here:
Neal Norwitz <nnorwitz@gmail.com>
parents: 35999
diff changeset
2091 /* args 1-4 should match listsort in Objects/listobject.c */
35608
a670a5dd1fc6 Removed a check "if (args != NULL)" which is always True and makes no sense.
Armin Rigo <arigo@tunes.org>
parents: 35567
diff changeset
2092 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|OOi:sorted",
a670a5dd1fc6 Removed a check "if (args != NULL)" which is always True and makes no sense.
Armin Rigo <arigo@tunes.org>
parents: 35567
diff changeset
2093 kwlist, &seq, &compare, &keyfunc, &reverse))
a670a5dd1fc6 Removed a check "if (args != NULL)" which is always True and makes no sense.
Armin Rigo <arigo@tunes.org>
parents: 35567
diff changeset
2094 return NULL;
31210
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2095
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2096 newlist = PySequence_List(seq);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2097 if (newlist == NULL)
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2098 return NULL;
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2099
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2100 callable = PyObject_GetAttrString(newlist, "sort");
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2101 if (callable == NULL) {
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2102 Py_DECREF(newlist);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2103 return NULL;
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2104 }
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
2105
31210
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2106 newargs = PyTuple_GetSlice(args, 1, 4);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2107 if (newargs == NULL) {
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2108 Py_DECREF(newlist);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2109 Py_DECREF(callable);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2110 return NULL;
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2111 }
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2112
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2113 v = PyObject_Call(callable, newargs, kwds);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2114 Py_DECREF(newargs);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2115 Py_DECREF(callable);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2116 if (v == NULL) {
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2117 Py_DECREF(newlist);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2118 return NULL;
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2119 }
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2120 Py_DECREF(v);
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2121 return newlist;
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2122 }
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2123
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2124 PyDoc_STRVAR(sorted_doc,
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2125 "sorted(iterable, cmp=None, key=None, reverse=False) --> new sorted list");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2126
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2127 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
2128 builtin_vars(PyObject *self, PyObject *args)
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2129 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2130 PyObject *v = NULL;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2131 PyObject *d;
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
2132
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
2133 if (!PyArg_UnpackTuple(args, "vars", 0, 1, &v))
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 2002
diff changeset
2134 return NULL;
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2135 if (v == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2136 d = PyEval_GetLocals();
2857
eebbdbee54f9 be more suspicious of getlocals()
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
2137 if (d == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2138 if (!PyErr_Occurred())
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2139 PyErr_SetString(PyExc_SystemError,
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
2140 "vars(): no locals!?");
2857
eebbdbee54f9 be more suspicious of getlocals()
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
2141 }
eebbdbee54f9 be more suspicious of getlocals()
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
2142 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2143 Py_INCREF(d);
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2144 }
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2145 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2146 d = PyObject_GetAttrString(v, "__dict__");
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2147 if (d == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2148 PyErr_SetString(PyExc_TypeError,
1840
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2149 "vars() argument must have __dict__ attribute");
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2150 return NULL;
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2151 }
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2152 }
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2153 return d;
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2154 }
bfd11620a2d8 * Python/bltinmodule.c (builtin_vars): correct typo in error msg
Guido van Rossum <guido@python.org>
parents: 1444
diff changeset
2155
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2156 PyDoc_STRVAR(vars_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2157 "vars([object]) -> dictionary\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2158 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2159 Without arguments, equivalent to locals().\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2160 With an argument, equivalent to object.__dict__.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2161
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2162
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2163 static PyObject*
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2164 builtin_sum(PyObject *self, PyObject *args)
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2165 {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2166 PyObject *seq;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2167 PyObject *result = NULL;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2168 PyObject *temp, *item, *iter;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2169
30774
2d98710f272e Use PyArg_UnpackTuple() where possible.
Raymond Hettinger <python@rcn.com>
parents: 30683
diff changeset
2170 if (!PyArg_UnpackTuple(args, "sum", 1, 2, &seq, &result))
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2171 return NULL;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2172
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2173 iter = PyObject_GetIter(seq);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2174 if (iter == NULL)
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2175 return NULL;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2176
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2177 if (result == NULL) {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2178 result = PyInt_FromLong(0);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2179 if (result == NULL) {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2180 Py_DECREF(iter);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2181 return NULL;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2182 }
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2183 } else {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2184 /* reject string values for 'start' parameter */
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2185 if (PyObject_TypeCheck(result, &PyBaseString_Type)) {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2186 PyErr_SetString(PyExc_TypeError,
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
2187 "sum() can't sum strings [use ''.join(seq) instead]");
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2188 Py_DECREF(iter);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2189 return NULL;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2190 }
28718
16ef5b9bc789 fixed a potential refcount bug (thanks Raymond!).
Alex Martelli <aleaxit@gmail.com>
parents: 28717
diff changeset
2191 Py_INCREF(result);
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2192 }
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2193
43657
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2194 #ifndef SLOW_SUM
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2195 /* Fast addition by keeping temporary sums in C instead of new Python objects.
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2196 Assumes all inputs are the same type. If the assumption fails, default
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2197 to the more general routine.
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2198 */
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2199 if (PyInt_CheckExact(result)) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2200 long i_result = PyInt_AS_LONG(result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2201 Py_DECREF(result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2202 result = NULL;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2203 while(result == NULL) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2204 item = PyIter_Next(iter);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2205 if (item == NULL) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2206 Py_DECREF(iter);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2207 if (PyErr_Occurred())
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2208 return NULL;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2209 return PyInt_FromLong(i_result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2210 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2211 if (PyInt_CheckExact(item)) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2212 long b = PyInt_AS_LONG(item);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2213 long x = i_result + b;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2214 if ((x^i_result) >= 0 || (x^b) >= 0) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2215 i_result = x;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2216 Py_DECREF(item);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2217 continue;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2218 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2219 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2220 /* Either overflowed or is not an int. Restore real objects and process normally */
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2221 result = PyInt_FromLong(i_result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2222 temp = PyNumber_Add(result, item);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2223 Py_DECREF(result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2224 Py_DECREF(item);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2225 result = temp;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2226 if (result == NULL) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2227 Py_DECREF(iter);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2228 return NULL;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2229 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2230 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2231 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2232
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2233 if (PyFloat_CheckExact(result)) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2234 double f_result = PyFloat_AS_DOUBLE(result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2235 Py_DECREF(result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2236 result = NULL;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2237 while(result == NULL) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2238 item = PyIter_Next(iter);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2239 if (item == NULL) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2240 Py_DECREF(iter);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2241 if (PyErr_Occurred())
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2242 return NULL;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2243 return PyFloat_FromDouble(f_result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2244 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2245 if (PyFloat_CheckExact(item)) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2246 PyFPE_START_PROTECT("add", return 0)
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2247 f_result += PyFloat_AS_DOUBLE(item);
43658
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2248 PyFPE_END_PROTECT(f_result)
43675
35da915adedc Missing DECREFs
Raymond Hettinger <python@rcn.com>
parents: 43658
diff changeset
2249 Py_DECREF(item);
43658
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2250 continue;
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2251 }
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2252 if (PyInt_CheckExact(item)) {
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2253 PyFPE_START_PROTECT("add", return 0)
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2254 f_result += (double)PyInt_AS_LONG(item);
7408e1ae98c4 Fixup error return and add support for intermixed ints and floats/
Raymond Hettinger <python@rcn.com>
parents: 43657
diff changeset
2255 PyFPE_END_PROTECT(f_result)
43675
35da915adedc Missing DECREFs
Raymond Hettinger <python@rcn.com>
parents: 43658
diff changeset
2256 Py_DECREF(item);
43657
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2257 continue;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2258 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2259 result = PyFloat_FromDouble(f_result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2260 temp = PyNumber_Add(result, item);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2261 Py_DECREF(result);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2262 Py_DECREF(item);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2263 result = temp;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2264 if (result == NULL) {
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2265 Py_DECREF(iter);
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2266 return NULL;
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2267 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2268 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2269 }
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2270 #endif
08ee256a9bd1 Optimize sum() for integer and float inputs.
Raymond Hettinger <python@rcn.com>
parents: 41834
diff changeset
2271
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2272 for(;;) {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2273 item = PyIter_Next(iter);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2274 if (item == NULL) {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2275 /* error, or end-of-sequence */
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2276 if (PyErr_Occurred()) {
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2277 Py_DECREF(result);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2278 result = NULL;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2279 }
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2280 break;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2281 }
30784
37285a0346c1 regressing the performance bugfix -- Guido wants the performance bug left
Alex Martelli <aleaxit@gmail.com>
parents: 30776
diff changeset
2282 temp = PyNumber_Add(result, item);
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2283 Py_DECREF(result);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2284 Py_DECREF(item);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2285 result = temp;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2286 if (result == NULL)
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2287 break;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2288 }
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2289 Py_DECREF(iter);
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2290 return result;
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2291 }
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2292
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2293 PyDoc_STRVAR(sum_doc,
40113
635438b29673 Bug #1283491: follow docstring convention wrt. keyword-able args in sum().
Georg Brandl <georg@python.org>
parents: 39746
diff changeset
2294 "sum(sequence[, start]) -> value\n\
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2295 \n\
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2296 Returns the sum of a sequence of numbers (NOT strings) plus the value\n\
40113
635438b29673 Bug #1283491: follow docstring convention wrt. keyword-able args in sum().
Georg Brandl <georg@python.org>
parents: 39746
diff changeset
2297 of parameter 'start' (which defaults to 0). When the sequence is\n\
635438b29673 Bug #1283491: follow docstring convention wrt. keyword-able args in sum().
Georg Brandl <georg@python.org>
parents: 39746
diff changeset
2298 empty, returns start.");
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2299
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2300
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2301 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
2302 builtin_isinstance(PyObject *self, PyObject *args)
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2303 {
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2304 PyObject *inst;
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2305 PyObject *cls;
17111
bf678a11c21a Move the code implementing isinstance() and issubclass() to new C
Guido van Rossum <guido@python.org>
parents: 16048
diff changeset
2306 int retval;
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2307
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
2308 if (!PyArg_UnpackTuple(args, "isinstance", 2, 2, &inst, &cls))
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2309 return NULL;
10995
0d186c10a70e Patch by Jim Fulton (code style tweaked a bit) to support
Guido van Rossum <guido@python.org>
parents: 10529
diff changeset
2310
17111
bf678a11c21a Move the code implementing isinstance() and issubclass() to new C
Guido van Rossum <guido@python.org>
parents: 16048
diff changeset
2311 retval = PyObject_IsInstance(inst, cls);
bf678a11c21a Move the code implementing isinstance() and issubclass() to new C
Guido van Rossum <guido@python.org>
parents: 16048
diff changeset
2312 if (retval < 0)
15829
9308dc8c85e0 (Modified) patch by Ping - SF Patch #102681.
Guido van Rossum <guido@python.org>
parents: 15727
diff changeset
2313 return NULL;
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2314 return PyBool_FromLong(retval);
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2315 }
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2316
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2317 PyDoc_STRVAR(isinstance_doc,
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2318 "isinstance(object, class-or-type-or-tuple) -> bool\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2319 \n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2320 Return whether an object is an instance of a class or of a subclass thereof.\n\
20307
aa681345bfab Implement isinstance(x, (A, B, ...)). Note that we only allow tuples,
Guido van Rossum <guido@python.org>
parents: 19903
diff changeset
2321 With a type as second argument, return whether that is the object's type.\n\
aa681345bfab Implement isinstance(x, (A, B, ...)). Note that we only allow tuples,
Guido van Rossum <guido@python.org>
parents: 19903
diff changeset
2322 The form using a tuple, isinstance(x, (A, B, ...)), is a shortcut for\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2323 isinstance(x, A) or isinstance(x, B) or ... (etc.).");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2324
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2325
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2326 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
2327 builtin_issubclass(PyObject *self, PyObject *args)
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2328 {
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2329 PyObject *derived;
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2330 PyObject *cls;
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2331 int retval;
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2332
26818
e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible.
Raymond Hettinger <python@rcn.com>
parents: 26612
diff changeset
2333 if (!PyArg_UnpackTuple(args, "issubclass", 2, 2, &derived, &cls))
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2334 return NULL;
10995
0d186c10a70e Patch by Jim Fulton (code style tweaked a bit) to support
Guido van Rossum <guido@python.org>
parents: 10529
diff changeset
2335
17111
bf678a11c21a Move the code implementing isinstance() and issubclass() to new C
Guido van Rossum <guido@python.org>
parents: 16048
diff changeset
2336 retval = PyObject_IsSubclass(derived, cls);
bf678a11c21a Move the code implementing isinstance() and issubclass() to new C
Guido van Rossum <guido@python.org>
parents: 16048
diff changeset
2337 if (retval < 0)
bf678a11c21a Move the code implementing isinstance() and issubclass() to new C
Guido van Rossum <guido@python.org>
parents: 16048
diff changeset
2338 return NULL;
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2339 return PyBool_FromLong(retval);
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2340 }
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2341
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2342 PyDoc_STRVAR(issubclass_doc,
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2343 "issubclass(C, B) -> bool\n\
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2344 \n\
26612
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25924
diff changeset
2345 Return whether class C is a subclass (i.e., a derived class) of class B.\n\
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25924
diff changeset
2346 When using a tuple as the second argument issubclass(X, (A, B, ...)),\n\
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is
Walter Dörwald <walter@livinglogic.de>
parents: 25924
diff changeset
2347 is a shortcut for issubclass(X, A) or issubclass(X, B) or ... (etc.).");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2348
6145
341fcb7bad90 Two new built-in functions: issubclass() and isinstance(). Both take
Barry Warsaw <barry@python.org>
parents: 5926
diff changeset
2349
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2350 static PyObject*
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2351 builtin_zip(PyObject *self, PyObject *args)
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2352 {
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2353 PyObject *ret;
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2354 const Py_ssize_t itemsize = PySequence_Length(args);
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2355 Py_ssize_t i;
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2356 PyObject *itlist; /* tuple of iterators */
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2357 Py_ssize_t len; /* guess at result length */
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2358
30037
0504ba8efbb6 As discussed on python-dev, changed builtin.zip() to handle zero arguments
Raymond Hettinger <python@rcn.com>
parents: 28740
diff changeset
2359 if (itemsize == 0)
0504ba8efbb6 As discussed on python-dev, changed builtin.zip() to handle zero arguments
Raymond Hettinger <python@rcn.com>
parents: 28740
diff changeset
2360 return PyList_New(0);
0504ba8efbb6 As discussed on python-dev, changed builtin.zip() to handle zero arguments
Raymond Hettinger <python@rcn.com>
parents: 28740
diff changeset
2361
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2362 /* args must be a tuple */
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2363 assert(PyTuple_Check(args));
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2364
23421
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2365 /* Guess at result length: the shortest of the input lengths.
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2366 If some argument refuses to say, we refuse to guess too, lest
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2367 an argument like xrange(sys.maxint) lead us astray.*/
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2368 len = -1; /* unknown */
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2369 for (i = 0; i < itemsize; ++i) {
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2370 PyObject *item = PyTuple_GET_ITEM(args, i);
44193
44c090c74202 Fix Issue 1045.
Raymond Hettinger <python@rcn.com>
parents: 43675
diff changeset
2371 Py_ssize_t thislen = _PyObject_LengthHint(item, -1);
23421
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2372 if (thislen < 0) {
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2373 len = -1;
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2374 break;
642a453e7a2e SF bug 555042: zip() may trigger MemoryError.
Tim Peters <tim.peters@gmail.com>
parents: 23305
diff changeset
2375 }
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2376 else if (len < 0 || thislen < len)
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2377 len = thislen;
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2378 }
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2379
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2380 /* allocate result list */
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2381 if (len < 0)
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2382 len = 10; /* arbitrary */
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2383 if ((ret = PyList_New(len)) == NULL)
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2384 return NULL;
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2385
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2386 /* obtain iterators */
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2387 itlist = PyTuple_New(itemsize);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2388 if (itlist == NULL)
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2389 goto Fail_ret;
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2390 for (i = 0; i < itemsize; ++i) {
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2391 PyObject *item = PyTuple_GET_ITEM(args, i);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2392 PyObject *it = PyObject_GetIter(item);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2393 if (it == NULL) {
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2394 if (PyErr_ExceptionMatches(PyExc_TypeError))
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2395 PyErr_Format(PyExc_TypeError,
36604
fe4ae0c417c7 Fix compiler warning (int vs Py_ssize_t mismatch
Neal Norwitz <nnorwitz@gmail.com>
parents: 36521
diff changeset
2396 "zip argument #%zd must support iteration",
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2397 i+1);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2398 goto Fail_ret_itlist;
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2399 }
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2400 PyTuple_SET_ITEM(itlist, i, it);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2401 }
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2402
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2403 /* build result into ret list */
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2404 for (i = 0; ; ++i) {
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2405 int j;
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2406 PyObject *next = PyTuple_New(itemsize);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2407 if (!next)
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2408 goto Fail_ret_itlist;
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2409
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2410 for (j = 0; j < itemsize; j++) {
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2411 PyObject *it = PyTuple_GET_ITEM(itlist, j);
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2412 PyObject *item = PyIter_Next(it);
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2413 if (!item) {
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2414 if (PyErr_Occurred()) {
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2415 Py_DECREF(ret);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2416 ret = NULL;
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2417 }
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2418 Py_DECREF(next);
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2419 Py_DECREF(itlist);
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2420 goto Done;
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2421 }
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2422 PyTuple_SET_ITEM(next, j, item);
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2423 }
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2424
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2425 if (i < len)
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2426 PyList_SET_ITEM(ret, i, next);
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2427 else {
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2428 int status = PyList_Append(ret, next);
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2429 Py_DECREF(next);
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2430 ++len;
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2431 if (status < 0)
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2432 goto Fail_ret_itlist;
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2433 }
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2434 }
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2435
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2436 Done:
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2437 if (ret != NULL && i < len) {
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2438 /* The list is too big. */
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2439 if (PyList_SetSlice(ret, i, len, NULL) < 0)
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2440 return NULL;
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2441 }
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2442 return ret;
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2443
17694
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2444 Fail_ret_itlist:
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2445 Py_DECREF(itlist);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2446 Fail_ret:
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2447 Py_DECREF(ret);
aab6c1f19289 Generalize zip() to work with iterators.
Tim Peters <tim.peters@gmail.com>
parents: 17683
diff changeset
2448 return NULL;
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2449 }
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2450
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2451
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2452 PyDoc_STRVAR(zip_doc,
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2453 "zip(seq1 [, seq2 [...]]) -> [(seq1[0], seq2[0] ...), (...)]\n\
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2454 \n\
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2455 Return a list of tuples, where each tuple contains the i-th element\n\
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2456 from each of the argument sequences. The returned list is truncated\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2457 in length to the length of the shortest argument sequence.");
13822
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2458
c57b574e6766 Both PEP 201 Lockstep Iteration and SF patch #101030 have been
Barry Warsaw <barry@python.org>
parents: 13761
diff changeset
2459
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2460 static PyMethodDef builtin_methods[] = {
37411
ea9a03b8b9f6 Accept keyword arguments for __import__ and doc the addition of the level param from PEP 328.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37344
diff changeset
2461 {"__import__", (PyCFunction)builtin___import__, METH_VARARGS | METH_KEYWORDS, import_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2462 {"abs", builtin_abs, METH_O, abs_doc},
34736
81b5a13fa38a Add two new functions, any() and all().
Raymond Hettinger <python@rcn.com>
parents: 34123
diff changeset
2463 {"all", builtin_all, METH_O, all_doc},
81b5a13fa38a Add two new functions, any() and all().
Raymond Hettinger <python@rcn.com>
parents: 34123
diff changeset
2464 {"any", builtin_any, METH_O, any_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2465 {"apply", builtin_apply, METH_VARARGS, apply_doc},
45433
4a9522fd75a6 Added bin() builtin. I'm going to check in the tests in a seperate checkin, because the builtin doesn't need to be ported to py3k, but the tests are missing in py3k and need to be merged there.
Eric Smith <eric@trueblade.com>
parents: 45381
diff changeset
2466 {"bin", builtin_bin, METH_O, bin_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2467 {"callable", builtin_callable, METH_O, callable_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2468 {"chr", builtin_chr, METH_VARARGS, chr_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2469 {"cmp", builtin_cmp, METH_VARARGS, cmp_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2470 {"coerce", builtin_coerce, METH_VARARGS, coerce_doc},
41168
78686c7a23a7 Patch #1444529: the builtin compile() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 41140
diff changeset
2471 {"compile", (PyCFunction)builtin_compile, METH_VARARGS | METH_KEYWORDS, compile_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2472 {"delattr", builtin_delattr, METH_VARARGS, delattr_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2473 {"dir", builtin_dir, METH_VARARGS, dir_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2474 {"divmod", builtin_divmod, METH_VARARGS, divmod_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2475 {"eval", builtin_eval, METH_VARARGS, eval_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2476 {"execfile", builtin_execfile, METH_VARARGS, execfile_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2477 {"filter", builtin_filter, METH_VARARGS, filter_doc},
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45079
diff changeset
2478 {"format", builtin_format, METH_VARARGS, format_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2479 {"getattr", builtin_getattr, METH_VARARGS, getattr_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2480 {"globals", (PyCFunction)builtin_globals, METH_NOARGS, globals_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2481 {"hasattr", builtin_hasattr, METH_VARARGS, hasattr_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2482 {"hash", builtin_hash, METH_O, hash_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2483 {"hex", builtin_hex, METH_O, hex_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2484 {"id", builtin_id, METH_O, id_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2485 {"input", builtin_input, METH_VARARGS, input_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2486 {"intern", builtin_intern, METH_VARARGS, intern_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2487 {"isinstance", builtin_isinstance, METH_VARARGS, isinstance_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2488 {"issubclass", builtin_issubclass, METH_VARARGS, issubclass_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2489 {"iter", builtin_iter, METH_VARARGS, iter_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2490 {"len", builtin_len, METH_O, len_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2491 {"locals", (PyCFunction)builtin_locals, METH_NOARGS, locals_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2492 {"map", builtin_map, METH_VARARGS, map_doc},
34085
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
2493 {"max", (PyCFunction)builtin_max, METH_VARARGS | METH_KEYWORDS, max_doc},
cc9ce6837ea9 SF patch #1077353: add key= argument to min and max
Raymond Hettinger <python@rcn.com>
parents: 33261
diff changeset
2494 {"min", (PyCFunction)builtin_min, METH_VARARGS | METH_KEYWORDS, min_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2495 {"oct", builtin_oct, METH_O, oct_doc},
38077
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
2496 {"open", (PyCFunction)builtin_open, METH_VARARGS | METH_KEYWORDS, open_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2497 {"ord", builtin_ord, METH_O, ord_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2498 {"pow", builtin_pow, METH_VARARGS, pow_doc},
45891
727f743cf630 Backport of the print function, using a __future__ import.
Eric Smith <eric@trueblade.com>
parents: 45880
diff changeset
2499 {"print", (PyCFunction)builtin_print, METH_VARARGS | METH_KEYWORDS, print_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2500 {"range", builtin_range, METH_VARARGS, range_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2501 {"raw_input", builtin_raw_input, METH_VARARGS, raw_input_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2502 {"reduce", builtin_reduce, METH_VARARGS, reduce_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2503 {"reload", builtin_reload, METH_O, reload_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2504 {"repr", builtin_repr, METH_O, repr_doc},
37344
c6cf11acb41f Patch #1460496: round() now accepts keyword arguments.
Georg Brandl <georg@python.org>
parents: 36866
diff changeset
2505 {"round", (PyCFunction)builtin_round, METH_VARARGS | METH_KEYWORDS, round_doc},
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2506 {"setattr", builtin_setattr, METH_VARARGS, setattr_doc},
31210
c06b570adf12 Guido grants a Christmas wish:
Raymond Hettinger <python@rcn.com>
parents: 31122
diff changeset
2507 {"sorted", (PyCFunction)builtin_sorted, METH_VARARGS | METH_KEYWORDS, sorted_doc},
28717
13d0a3c4e465 Adding new built-in function sum, with docs and tests.
Alex Martelli <aleaxit@gmail.com>
parents: 28612
diff changeset
2508 {"sum", builtin_sum, METH_VARARGS, sum_doc},
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
2509 #ifdef Py_USING_UNICODE
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2510 {"unichr", builtin_unichr, METH_VARARGS, unichr_doc},
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
2511 #endif
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2512 {"vars", builtin_vars, METH_VARARGS, vars_doc},
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19061
diff changeset
2513 {"zip", builtin_zip, METH_VARARGS, zip_doc},
480
c64c6702549d Added "apply"; added "SyntaxError"; changed table lay-out.
Guido van Rossum <guido@python.org>
parents: 463
diff changeset
2514 {NULL, NULL},
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
2515 };
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
2516
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2517 PyDoc_STRVAR(builtin_doc,
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2518 "Built-in functions, exceptions, and other objects.\n\
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2519 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23695
diff changeset
2520 Noteworthy: None is the `nil' object; Ellipsis represents `...' in slices.");
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2521
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2522 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
2523 _PyBuiltin_Init(void)
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2524 {
12961
eb911eca9ee9 Christopher Fandrich <cfandrich@8cs.com>:
Fred Drake <fdrake@acm.org>
parents: 12756
diff changeset
2525 PyObject *mod, *dict, *debug;
8561
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2526 mod = Py_InitModule4("__builtin__", builtin_methods,
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2527 builtin_doc, (PyObject *)NULL,
8973e7085cf4 Added doc strings.
Guido van Rossum <guido@python.org>
parents: 8560
diff changeset
2528 PYTHON_API_VERSION);
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2529 if (mod == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2530 return NULL;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2531 dict = PyModule_GetDict(mod);
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2532
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2533 #ifdef Py_TRACE_REFS
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2534 /* __builtin__ exposes a number of statically allocated objects
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2535 * that, before this code was added in 2.3, never showed up in
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2536 * the list of "all objects" maintained by Py_TRACE_REFS. As a
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2537 * result, programs leaking references to None and False (etc)
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2538 * couldn't be diagnosed by examining sys.getobjects(0).
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2539 */
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2540 #define ADD_TO_ALL(OBJECT) _Py_AddToAllObjects((PyObject *)(OBJECT), 0)
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2541 #else
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2542 #define ADD_TO_ALL(OBJECT) (void)0
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2543 #endif
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2544
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2545 #define SETBUILTIN(NAME, OBJECT) \
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2546 if (PyDict_SetItemString(dict, NAME, (PyObject *)OBJECT) < 0) \
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2547 return NULL; \
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2548 ADD_TO_ALL(OBJECT)
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2549
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2550 SETBUILTIN("None", Py_None);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2551 SETBUILTIN("Ellipsis", Py_Ellipsis);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2552 SETBUILTIN("NotImplemented", Py_NotImplemented);
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2553 SETBUILTIN("False", Py_False);
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2554 SETBUILTIN("True", Py_True);
23597
ed007e47b3a1 Change name from string to basestring
Neal Norwitz <nnorwitz@gmail.com>
parents: 23542
diff changeset
2555 SETBUILTIN("basestring", &PyBaseString_Type);
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2556 SETBUILTIN("bool", &PyBool_Type);
45832
5c0b5cabeec9 Finish backporting new buffer API to Python 2.6. Left to do: memoryview object and structmodule. But, these need to be finished in Python 3.0 first. No objects support the new buffer API in Python 2.6 as of yet, and except for the memoryview object, I don't think they will.
Travis E. Oliphant <oliphant@enthought.com>
parents: 45499
diff changeset
2557 /* SETBUILTIN("memoryview", &PyMemoryView_Type); */
44747
8da9ebf73026 Added bytes and b'' as aliases for str and ''
Christian Heimes <christian@cheimes.de>
parents: 44492
diff changeset
2558 SETBUILTIN("bytes", &PyString_Type);
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23832
diff changeset
2559 SETBUILTIN("buffer", &PyBuffer_Type);
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2560 SETBUILTIN("classmethod", &PyClassMethod_Type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18890
diff changeset
2561 #ifndef WITHOUT_COMPLEX
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2562 SETBUILTIN("complex", &PyComplex_Type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18890
diff changeset
2563 #endif
20754
272336648d1f Rename "dictionary" (type and constructor) to "dict".
Tim Peters <tim.peters@gmail.com>
parents: 20654
diff changeset
2564 SETBUILTIN("dict", &PyDict_Type);
23305
ef6e31f0cee1 builtin_zip(): Take a good guess at how big the result list will be,
Tim Peters <tim.peters@gmail.com>
parents: 23295
diff changeset
2565 SETBUILTIN("enumerate", &PyEnum_Type);
38077
c9202f1c56c2 SF #1479181: split open() and file() from being aliases for each other.
Neal Norwitz <nnorwitz@gmail.com>
parents: 37673
diff changeset
2566 SETBUILTIN("file", &PyFile_Type);
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2567 SETBUILTIN("float", &PyFloat_Type);
30929
54ff68e973ee * Migrate set() and frozenset() from the sandbox.
Raymond Hettinger <python@rcn.com>
parents: 30865
diff changeset
2568 SETBUILTIN("frozenset", &PyFrozenSet_Type);
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2569 SETBUILTIN("property", &PyProperty_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2570 SETBUILTIN("int", &PyInt_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2571 SETBUILTIN("list", &PyList_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2572 SETBUILTIN("long", &PyLong_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2573 SETBUILTIN("object", &PyBaseObject_Type);
30865
41c4e143e6e6 Implement and apply PEP 322, reverse iteration
Raymond Hettinger <python@rcn.com>
parents: 30784
diff changeset
2574 SETBUILTIN("reversed", &PyReversed_Type);
30929
54ff68e973ee * Migrate set() and frozenset() from the sandbox.
Raymond Hettinger <python@rcn.com>
parents: 30865
diff changeset
2575 SETBUILTIN("set", &PySet_Type);
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
parents: 23832
diff changeset
2576 SETBUILTIN("slice", &PySlice_Type);
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2577 SETBUILTIN("staticmethod", &PyStaticMethod_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2578 SETBUILTIN("str", &PyString_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2579 SETBUILTIN("super", &PySuper_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2580 SETBUILTIN("tuple", &PyTuple_Type);
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2581 SETBUILTIN("type", &PyType_Type);
23695
6266f1bd1ab9 Skip Montanaro's patch, SF 559833, exposing xrange type in builtins.
Raymond Hettinger <python@rcn.com>
parents: 23597
diff changeset
2582 SETBUILTIN("xrange", &PyRange_Type);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
2583 #ifdef Py_USING_UNICODE
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2584 SETBUILTIN("unicode", &PyUnicode_Type);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19301
diff changeset
2585 #endif
22785
aa8d59823add Add the 'bool' type and its values 'False' and 'True', as described in
Guido van Rossum <guido@python.org>
parents: 22205
diff changeset
2586 debug = PyBool_FromLong(Py_OptimizeFlag == 0);
12961
eb911eca9ee9 Christopher Fandrich <cfandrich@8cs.com>:
Fred Drake <fdrake@acm.org>
parents: 12756
diff changeset
2587 if (PyDict_SetItemString(dict, "__debug__", debug) < 0) {
eb911eca9ee9 Christopher Fandrich <cfandrich@8cs.com>:
Fred Drake <fdrake@acm.org>
parents: 12756
diff changeset
2588 Py_XDECREF(debug);
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2589 return NULL;
12961
eb911eca9ee9 Christopher Fandrich <cfandrich@8cs.com>:
Fred Drake <fdrake@acm.org>
parents: 12756
diff changeset
2590 }
eb911eca9ee9 Christopher Fandrich <cfandrich@8cs.com>:
Fred Drake <fdrake@acm.org>
parents: 12756
diff changeset
2591 Py_XDECREF(debug);
6198
c43ca8dd0081 Removed obsolete exception PyExc_AccessError.
Barry Warsaw <barry@python.org>
parents: 6145
diff changeset
2592
5926
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters.
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
2593 return mod;
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28027
diff changeset
2594 #undef ADD_TO_ALL
19902
de39956b5458 _PyBuiltin_Init(): For clarity, macroize this purely repetitive code.
Tim Peters <tim.peters@gmail.com>
parents: 19894
diff changeset
2595 #undef SETBUILTIN
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
2596 }
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents:
diff changeset
2597
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1387
diff changeset
2598 /* Helper for filter(): filter a tuple through a function */
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2599
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2600 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
2601 filtertuple(PyObject *func, PyObject *tuple)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2602 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2603 PyObject *result;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
2604 Py_ssize_t i, j;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
2605 Py_ssize_t len = PyTuple_Size(tuple);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2606
2890
04e1690fb4d1 avoid resize of 0-length tuple
Guido van Rossum <guido@python.org>
parents: 2857
diff changeset
2607 if (len == 0) {
27681
e5454fe1aafd Make sure filter() never returns tuple, str or unicode
Walter Dörwald <walter@livinglogic.de>
parents: 27675
diff changeset
2608 if (PyTuple_CheckExact(tuple))
e5454fe1aafd Make sure filter() never returns tuple, str or unicode
Walter Dörwald <walter@livinglogic.de>
parents: 27675
diff changeset
2609 Py_INCREF(tuple);
e5454fe1aafd Make sure filter() never returns tuple, str or unicode
Walter Dörwald <walter@livinglogic.de>
parents: 27675
diff changeset
2610 else
e5454fe1aafd Make sure filter() never returns tuple, str or unicode
Walter Dörwald <walter@livinglogic.de>
parents: 27675
diff changeset
2611 tuple = PyTuple_New(0);
2890
04e1690fb4d1 avoid resize of 0-length tuple
Guido van Rossum <guido@python.org>
parents: 2857
diff changeset
2612 return tuple;
04e1690fb4d1 avoid resize of 0-length tuple
Guido van Rossum <guido@python.org>
parents: 2857
diff changeset
2613 }
04e1690fb4d1 avoid resize of 0-length tuple
Guido van Rossum <guido@python.org>
parents: 2857
diff changeset
2614
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2615 if ((result = PyTuple_New(len)) == NULL)
1387
f992ac2a38d5 * rangeobject.{c,h}, bltinmodule.c: removed non-essential ops from range
Guido van Rossum <guido@python.org>
parents: 1380
diff changeset
2616 return NULL;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2617
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2618 for (i = j = 0; i < len; ++i) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2619 PyObject *item, *good;
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2620 int ok;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2621
27795
2042e2051d97 Change filtertuple() to use tp_as_sequence->sq_item
Walter Dörwald <walter@livinglogic.de>
parents: 27790
diff changeset
2622 if (tuple->ob_type->tp_as_sequence &&
2042e2051d97 Change filtertuple() to use tp_as_sequence->sq_item
Walter Dörwald <walter@livinglogic.de>
parents: 27790
diff changeset
2623 tuple->ob_type->tp_as_sequence->sq_item) {
2042e2051d97 Change filtertuple() to use tp_as_sequence->sq_item
Walter Dörwald <walter@livinglogic.de>
parents: 27790
diff changeset
2624 item = tuple->ob_type->tp_as_sequence->sq_item(tuple, i);
30182
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2625 if (item == NULL)
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2626 goto Fail_1;
27795
2042e2051d97 Change filtertuple() to use tp_as_sequence->sq_item
Walter Dörwald <walter@livinglogic.de>
parents: 27790
diff changeset
2627 } else {
28740
d3297e298211 some more error-message enhancements
Alex Martelli <aleaxit@gmail.com>
parents: 28738
diff changeset
2628 PyErr_SetString(PyExc_TypeError, "filter(): unsubscriptable tuple");
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2629 goto Fail_1;
27795
2042e2051d97 Change filtertuple() to use tp_as_sequence->sq_item
Walter Dörwald <walter@livinglogic.de>
parents: 27790
diff changeset
2630 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2631 if (func == Py_None) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2632 Py_INCREF(item);
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2633 good = item;
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2634 }
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2635 else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30430
diff changeset
2636 PyObject *arg = PyTuple_Pack(1, item);
30182
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2637 if (arg == NULL) {
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2638 Py_DECREF(item);
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2639 goto Fail_1;
30182
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2640 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2641 good = PyEval_CallObject(func, arg);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2642 Py_DECREF(arg);
30182
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2643 if (good == NULL) {
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2644 Py_DECREF(item);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2645 goto Fail_1;
30182
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2646 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2647 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2648 ok = PyObject_IsTrue(good);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2649 Py_DECREF(good);
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2650 if (ok) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2651 if (PyTuple_SetItem(result, j++, item) < 0)
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2652 goto Fail_1;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2653 }
30182
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2654 else
7bc772527e44 Fix a crash: when sq_item failed the code continued blindly and used the
Walter Dörwald <walter@livinglogic.de>
parents: 30151
diff changeset
2655 Py_DECREF(item);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2656 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2657
17976
d579a5d8b3fe Cruft cleanup: Removed the unused last_is_sticky argument from the internal
Tim Peters <tim.peters@gmail.com>
parents: 17874
diff changeset
2658 if (_PyTuple_Resize(&result, j) < 0)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2659 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2660
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2661 return result;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2662
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2663 Fail_1:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2664 Py_DECREF(result);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2665 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2666 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2667
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2668
1393
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more
Guido van Rossum <guido@python.org>
parents: 1387
diff changeset
2669 /* Helper for filter(): filter a string through a function */
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2670
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2671 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13576
diff changeset
2672 filterstring(PyObject *func, PyObject *strobj)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2673 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2674 PyObject *result;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
2675 Py_ssize_t i, j;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
2676 Py_ssize_t len = PyString_Size(strobj);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
2677 Py_ssize_t outlen = len;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2678
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2679 if (func == Py_None) {
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2680 /* If it's a real string we can return the original,
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2681 * as no character is ever false and __getitem__
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2682 * does return this character. If it's a subclass
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2683 * we must go through the __getitem__ loop */
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2684 if (PyString_CheckExact(strobj)) {
27681
e5454fe1aafd Make sure filter() never returns tuple, str or unicode
Walter Dörwald <walter@livinglogic.de>
parents: 27675
diff changeset
2685 Py_INCREF(strobj);
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2686 return strobj;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2687 }
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2688 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2689 if ((result = PyString_FromStringAndSize(NULL, len)) == NULL)
1387
f992ac2a38d5 * rangeobject.{c,h}, bltinmodule.c: removed non-essential ops from range
Guido van Rossum <guido@python.org>
parents: 1380
diff changeset
2690 return NULL;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2691
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2692 for (i = j = 0; i < len; ++i) {
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2693 PyObject *item;
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2694 int ok;
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2695
1375
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2696 item = (*strobj->ob_type->tp_as_sequence->sq_item)(strobj, i);
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2697 if (item == NULL)
f3a325662d39 * listobject.c (list_ass_slice): XDECREF instead of DECREF so
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
2698 goto Fail_1;
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2699 if (func==Py_None) {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2700 ok = 1;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2701 } else {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2702 PyObject *arg, *good;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30430
diff changeset
2703 arg = PyTuple_Pack(1, item);
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2704 if (arg == NULL) {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2705 Py_DECREF(item);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2706 goto Fail_1;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2707 }
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2708 good = PyEval_CallObject(func, arg);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2709 Py_DECREF(arg);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2710 if (good == NULL) {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2711 Py_DECREF(item);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2712 goto Fail_1;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2713 }
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2714 ok = PyObject_IsTrue(good);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2715 Py_DECREF(good);
17337
96ea0eccdb31 SF patch #413552 - Premature decref on object
Tim Peters <tim.peters@gmail.com>
parents: 17125
diff changeset
2716 }
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2717 if (ok) {
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2718 Py_ssize_t reslen;
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2719 if (!PyString_Check(item)) {
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2720 PyErr_SetString(PyExc_TypeError, "can't filter str to str:"
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2721 " __getitem__ returned different type");
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2722 Py_DECREF(item);
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2723 goto Fail_1;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2724 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2725 reslen = PyString_GET_SIZE(item);
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2726 if (reslen == 1) {
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2727 PyString_AS_STRING(result)[j++] =
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2728 PyString_AS_STRING(item)[0];
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2729 } else {
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2730 /* do we need more space? */
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2731 Py_ssize_t need = j + reslen + len-i-1;
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2732 if (need > outlen) {
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2733 /* overallocate, to avoid reallocations */
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2734 if (need<2*outlen)
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2735 need = 2*outlen;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2736 if (_PyString_Resize(&result, need)) {
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2737 Py_DECREF(item);
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2738 return NULL;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2739 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2740 outlen = need;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2741 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2742 memcpy(
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2743 PyString_AS_STRING(result) + j,
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2744 PyString_AS_STRING(item),
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2745 reslen
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2746 );
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2747 j += reslen;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2748 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2749 }
17337
96ea0eccdb31 SF patch #413552 - Premature decref on object
Tim Peters <tim.peters@gmail.com>
parents: 17125
diff changeset
2750 Py_DECREF(item);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2751 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2752
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2753 if (j < outlen)
23295
6fa76b4e59fe Repair widespread misuse of _PyString_Resize. Since it's clear people
Tim Peters <tim.peters@gmail.com>
parents: 23285
diff changeset
2754 _PyString_Resize(&result, j);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2755
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2756 return result;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2757
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2758 Fail_1:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5317
diff changeset
2759 Py_DECREF(result);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2760 return NULL;
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1360
diff changeset
2761 }
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2762
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2763 #ifdef Py_USING_UNICODE
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2764 /* Helper for filter(): filter a Unicode object through a function */
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2765
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2766 static PyObject *
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2767 filterunicode(PyObject *func, PyObject *strobj)
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2768 {
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2769 PyObject *result;
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36712
diff changeset
2770 register Py_ssize_t i, j;
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2771 Py_ssize_t len = PyUnicode_GetSize(strobj);
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2772 Py_ssize_t outlen = len;
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2773
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2774 if (func == Py_None) {
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2775 /* If it's a real string we can return the original,
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2776 * as no character is ever false and __getitem__
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2777 * does return this character. If it's a subclass
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2778 * we must go through the __getitem__ loop */
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2779 if (PyUnicode_CheckExact(strobj)) {
27681
e5454fe1aafd Make sure filter() never returns tuple, str or unicode
Walter Dörwald <walter@livinglogic.de>
parents: 27675
diff changeset
2780 Py_INCREF(strobj);
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2781 return strobj;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2782 }
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2783 }
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2784 if ((result = PyUnicode_FromUnicode(NULL, len)) == NULL)
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2785 return NULL;
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2786
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2787 for (i = j = 0; i < len; ++i) {
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2788 PyObject *item, *arg, *good;
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2789 int ok;
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2790
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2791 item = (*strobj->ob_type->tp_as_sequence->sq_item)(strobj, i);
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2792 if (item == NULL)
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2793 goto Fail_1;
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2794 if (func == Py_None) {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2795 ok = 1;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2796 } else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30430
diff changeset
2797 arg = PyTuple_Pack(1, item);
27786
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2798 if (arg == NULL) {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2799 Py_DECREF(item);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2800 goto Fail_1;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2801 }
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2802 good = PyEval_CallObject(func, arg);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2803 Py_DECREF(arg);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2804 if (good == NULL) {
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2805 Py_DECREF(item);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2806 goto Fail_1;
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2807 }
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2808 ok = PyObject_IsTrue(good);
f34446fa216e Change filterstring() and filterunicode(): If the
Walter Dörwald <walter@livinglogic.de>
parents: 27782
diff changeset
2809 Py_DECREF(good);
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2810 }
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2811 if (ok) {
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2812 Py_ssize_t reslen;
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2813 if (!PyUnicode_Check(item)) {
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
2814 PyErr_SetString(PyExc_TypeError,
30429
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2815 "can't filter unicode to unicode:"
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2816 " __getitem__ returned different type");
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2817 Py_DECREF(item);
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2818 goto Fail_1;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2819 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2820 reslen = PyUnicode_GET_SIZE(item);
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
2821 if (reslen == 1)
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2822 PyUnicode_AS_UNICODE(result)[j++] =
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2823 PyUnicode_AS_UNICODE(item)[0];
30429
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2824 else {
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2825 /* do we need more space? */
36521
30aef3ce2b26 Use Py_ssize_t to count the
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
2826 Py_ssize_t need = j + reslen + len - i - 1;
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2827 if (need > outlen) {
35500
8fa83a9ebc6e Whitespace normalization.
Georg Brandl <georg@python.org>
parents: 35364
diff changeset
2828 /* overallocate,
30429
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2829 to avoid reallocations */
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2830 if (need < 2 * outlen)
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2831 need = 2 * outlen;
30430
a8f04cbf659c Correct check of PyUnicode_Resize() return value.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30429
diff changeset
2832 if (PyUnicode_Resize(
a8f04cbf659c Correct check of PyUnicode_Resize() return value.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30429
diff changeset
2833 &result, need) < 0) {
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2834 Py_DECREF(item);
27675
8f8448fb58d6 PyUnicode_Resize() doesn't free its argument in case of a failure,
Walter Dörwald <walter@livinglogic.de>
parents: 27674
diff changeset
2835 goto Fail_1;
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2836 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2837 outlen = need;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2838 }
30429
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2839 memcpy(PyUnicode_AS_UNICODE(result) + j,
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2840 PyUnicode_AS_UNICODE(item),
c9cc35249322 Reflow long lines and reformat.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 30182
diff changeset
2841 reslen*sizeof(Py_UNICODE));
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2842 j += reslen;
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2843 }
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2844 }
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2845 Py_DECREF(item);
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2846 }
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2847
27674
ce3faab06de7 filterstring() and filterunicode() in Python/bltinmodule.c
Walter Dörwald <walter@livinglogic.de>
parents: 27652
diff changeset
2848 if (j < outlen)
27385
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2849 PyUnicode_Resize(&result, j);
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2850
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2851 return result;
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2852
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2853 Fail_1:
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2854 Py_DECREF(result);
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2855 return NULL;
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2856 }
91a573243d5d Patch #636005: Filter unicode into unicode.
Martin v. Löwis <martin@v.loewis.de>
parents: 27076
diff changeset
2857 #endif