annotate Python/errors.c @ 86974:954167ce92a3

Issue #19512: add some common identifiers to only create common strings once, instead of creating temporary Unicode string objects Add also more identifiers in pythonrun.c to avoid temporary Unicode string objets for the interactive interpreter.
author Victor Stinner <victor.stinner@gmail.com>
date Wed, 06 Nov 2013 22:41:44 +0100
parents eeec58c57964
children 77bebcf5c4cf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Error handling */
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3
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4 #include "Python.h"
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5
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6 #ifndef __STDC__
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7 #ifndef MS_WINDOWS
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8 extern char *strerror(int);
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9 #endif
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10 #endif
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11
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12 #ifdef MS_WINDOWS
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13 #include <windows.h>
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14 #include <winbase.h>
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15 #endif
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16
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17 #include <ctype.h>
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18
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19 #ifdef __cplusplus
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20 extern "C" {
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21 #endif
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22
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24 void
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25 PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
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26 {
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27 PyThreadState *tstate = PyThreadState_GET();
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28 PyObject *oldtype, *oldvalue, *oldtraceback;
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29
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30 if (traceback != NULL && !PyTraceBack_Check(traceback)) {
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31 /* XXX Should never happen -- fatal error instead? */
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32 /* Well, it could be None. */
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33 Py_DECREF(traceback);
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34 traceback = NULL;
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35 }
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36
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37 /* Save these in locals to safeguard against recursive
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38 invocation through Py_XDECREF */
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39 oldtype = tstate->curexc_type;
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40 oldvalue = tstate->curexc_value;
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41 oldtraceback = tstate->curexc_traceback;
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43 tstate->curexc_type = type;
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44 tstate->curexc_value = value;
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45 tstate->curexc_traceback = traceback;
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46
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47 Py_XDECREF(oldtype);
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48 Py_XDECREF(oldvalue);
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49 Py_XDECREF(oldtraceback);
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50 }
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51
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52 void
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53 PyErr_SetObject(PyObject *exception, PyObject *value)
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54 {
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55 PyThreadState *tstate = PyThreadState_GET();
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56 PyObject *exc_value;
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57 PyObject *tb = NULL;
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58
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59 if (exception != NULL &&
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60 !PyExceptionClass_Check(exception)) {
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61 PyErr_Format(PyExc_SystemError,
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62 "exception %R not a BaseException subclass",
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63 exception);
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64 return;
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65 }
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66 Py_XINCREF(value);
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67 exc_value = tstate->exc_value;
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68 if (exc_value != NULL && exc_value != Py_None) {
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69 /* Implicit exception chaining */
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70 Py_INCREF(exc_value);
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71 if (value == NULL || !PyExceptionInstance_Check(value)) {
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72 /* We must normalize the value right now */
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73 PyObject *args, *fixed_value;
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74 #ifdef Py_DEBUG
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75 /* in debug mode, PyEval_EvalFrameEx() fails with an assertion
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76 error if an exception is set when it is called */
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77 PyErr_Clear();
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78 #endif
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79 if (value == NULL || value == Py_None)
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80 args = PyTuple_New(0);
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81 else if (PyTuple_Check(value)) {
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82 Py_INCREF(value);
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83 args = value;
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84 }
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85 else
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86 args = PyTuple_Pack(1, value);
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87 fixed_value = args ?
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88 PyEval_CallObject(exception, args) : NULL;
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89 Py_XDECREF(args);
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90 Py_XDECREF(value);
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91 if (fixed_value == NULL)
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92 return;
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93 value = fixed_value;
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94 }
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95 /* Avoid reference cycles through the context chain.
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96 This is O(chain length) but context chains are
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97 usually very short. Sensitive readers may try
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98 to inline the call to PyException_GetContext. */
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99 if (exc_value != value) {
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100 PyObject *o = exc_value, *context;
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101 while ((context = PyException_GetContext(o))) {
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102 Py_DECREF(context);
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103 if (context == value) {
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104 PyException_SetContext(o, NULL);
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105 break;
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106 }
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107 o = context;
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108 }
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109 PyException_SetContext(value, exc_value);
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110 } else {
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111 Py_DECREF(exc_value);
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112 }
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113 }
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114 if (value != NULL && PyExceptionInstance_Check(value))
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115 tb = PyException_GetTraceback(value);
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116 Py_XINCREF(exception);
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117 PyErr_Restore(exception, value, tb);
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118 }
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119
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120 /* Set a key error with the specified argument, wrapping it in a
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121 * tuple automatically so that tuple keys are not unpacked as the
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122 * exception arguments. */
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123 void
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124 _PyErr_SetKeyError(PyObject *arg)
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125 {
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126 PyObject *tup;
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127 tup = PyTuple_Pack(1, arg);
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128 if (!tup)
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129 return; /* caller will expect error to be set anyway */
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130 PyErr_SetObject(PyExc_KeyError, tup);
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131 Py_DECREF(tup);
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132 }
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133
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134 void
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135 PyErr_SetNone(PyObject *exception)
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136 {
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137 PyErr_SetObject(exception, (PyObject *)NULL);
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138 }
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139
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140 void
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141 PyErr_SetString(PyObject *exception, const char *string)
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142 {
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143 PyObject *value = PyUnicode_FromString(string);
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144 PyErr_SetObject(exception, value);
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145 Py_XDECREF(value);
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146 }
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147
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148
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149 PyObject *
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150 PyErr_Occurred(void)
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151 {
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152 /* If there is no thread state, PyThreadState_GET calls
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153 Py_FatalError, which calls PyErr_Occurred. To avoid the
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154 resulting infinite loop, we inline PyThreadState_GET here and
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155 treat no thread as no error. */
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156 PyThreadState *tstate =
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157 ((PyThreadState*)_Py_atomic_load_relaxed(&_PyThreadState_Current));
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158
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159 return tstate == NULL ? NULL : tstate->curexc_type;
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160 }
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161
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162
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163 int
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164 PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc)
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165 {
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166 if (err == NULL || exc == NULL) {
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167 /* maybe caused by "import exceptions" that failed early on */
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168 return 0;
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169 }
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170 if (PyTuple_Check(exc)) {
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171 Py_ssize_t i, n;
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172 n = PyTuple_Size(exc);
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173 for (i = 0; i < n; i++) {
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174 /* Test recursively */
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175 if (PyErr_GivenExceptionMatches(
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176 err, PyTuple_GET_ITEM(exc, i)))
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177 {
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178 return 1;
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179 }
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180 }
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181 return 0;
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182 }
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183 /* err might be an instance, so check its class. */
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184 if (PyExceptionInstance_Check(err))
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185 err = PyExceptionInstance_Class(err);
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186
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187 if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
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188 int res = 0;
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189 PyObject *exception, *value, *tb;
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190 PyErr_Fetch(&exception, &value, &tb);
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191 /* PyObject_IsSubclass() can recurse and therefore is
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192 not safe (see test_bad_getattr in test.pickletester). */
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193 res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
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194 /* This function must not fail, so print the error here */
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195 if (res == -1) {
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196 PyErr_WriteUnraisable(err);
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197 res = 0;
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198 }
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199 PyErr_Restore(exception, value, tb);
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200 return res;
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201 }
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202
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203 return err == exc;
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204 }
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205
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206
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207 int
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208 PyErr_ExceptionMatches(PyObject *exc)
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209 {
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210 return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
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211 }
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212
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213
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214 /* Used in many places to normalize a raised exception, including in
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215 eval_code2(), do_raise(), and PyErr_Print()
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216
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217 XXX: should PyErr_NormalizeException() also call
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218 PyException_SetTraceback() with the resulting value and tb?
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219 */
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220 void
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221 PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb)
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222 {
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223 PyObject *type = *exc;
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224 PyObject *value = *val;
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225 PyObject *inclass = NULL;
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226 PyObject *initial_tb = NULL;
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227 PyThreadState *tstate = NULL;
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228
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229 if (type == NULL) {
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230 /* There was no exception, so nothing to do. */
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231 return;
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232 }
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233
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234 /* If PyErr_SetNone() was used, the value will have been actually
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235 set to NULL.
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236 */
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237 if (!value) {
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238 value = Py_None;
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239 Py_INCREF(value);
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240 }
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241
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242 if (PyExceptionInstance_Check(value))
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243 inclass = PyExceptionInstance_Class(value);
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244
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245 /* Normalize the exception so that if the type is a class, the
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246 value will be an instance.
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247 */
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248 if (PyExceptionClass_Check(type)) {
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249 int is_subclass;
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250 if (inclass) {
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251 is_subclass = PyObject_IsSubclass(inclass, type);
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252 if (is_subclass < 0)
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253 goto finally;
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254 }
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255 else
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256 is_subclass = 0;
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257
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258 /* if the value was not an instance, or is not an instance
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259 whose class is (or is derived from) type, then use the
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260 value as an argument to instantiation of the type
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261 class.
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262 */
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263 if (!inclass || !is_subclass) {
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264 PyObject *args, *res;
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265
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266 if (value == Py_None)
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267 args = PyTuple_New(0);
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268 else if (PyTuple_Check(value)) {
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269 Py_INCREF(value);
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270 args = value;
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271 }
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272 else
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273 args = PyTuple_Pack(1, value);
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274
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275 if (args == NULL)
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276 goto finally;
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277 res = PyEval_CallObject(type, args);
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278 Py_DECREF(args);
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279 if (res == NULL)
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280 goto finally;
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281 Py_DECREF(value);
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282 value = res;
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283 }
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284 /* if the class of the instance doesn't exactly match the
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285 class of the type, believe the instance
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286 */
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287 else if (inclass != type) {
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288 Py_DECREF(type);
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289 type = inclass;
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290 Py_INCREF(type);
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291 }
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292 }
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293 *exc = type;
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294 *val = value;
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295 return;
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296 finally:
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297 Py_DECREF(type);
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298 Py_DECREF(value);
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299 /* If the new exception doesn't set a traceback and the old
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300 exception had a traceback, use the old traceback for the
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301 new exception. It's better than nothing.
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302 */
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303 initial_tb = *tb;
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304 PyErr_Fetch(exc, val, tb);
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305 if (initial_tb != NULL) {
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306 if (*tb == NULL)
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307 *tb = initial_tb;
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308 else
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309 Py_DECREF(initial_tb);
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310 }
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311 /* normalize recursively */
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312 tstate = PyThreadState_GET();
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313 if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
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314 --tstate->recursion_depth;
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315 /* throw away the old exception... */
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316 Py_DECREF(*exc);
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317 Py_DECREF(*val);
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318 /* ... and use the recursion error instead */
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319 *exc = PyExc_RuntimeError;
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320 *val = PyExc_RecursionErrorInst;
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321 Py_INCREF(*exc);
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322 Py_INCREF(*val);
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323 /* just keeping the old traceback */
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324 return;
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325 }
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326 PyErr_NormalizeException(exc, val, tb);
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327 --tstate->recursion_depth;
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328 }
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329
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330
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331 void
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332 PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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333 {
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334 PyThreadState *tstate = PyThreadState_GET();
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335
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336 *p_type = tstate->curexc_type;
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337 *p_value = tstate->curexc_value;
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338 *p_traceback = tstate->curexc_traceback;
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339
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340 tstate->curexc_type = NULL;
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341 tstate->curexc_value = NULL;
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342 tstate->curexc_traceback = NULL;
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343 }
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344
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345 void
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346 PyErr_Clear(void)
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347 {
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348 PyErr_Restore(NULL, NULL, NULL);
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349 }
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350
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351 void
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352 PyErr_GetExcInfo(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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353 {
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354 PyThreadState *tstate = PyThreadState_GET();
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355
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356 *p_type = tstate->exc_type;
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357 *p_value = tstate->exc_value;
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358 *p_traceback = tstate->exc_traceback;
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359
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360 Py_XINCREF(*p_type);
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361 Py_XINCREF(*p_value);
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362 Py_XINCREF(*p_traceback);
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363 }
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364
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365 void
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366 PyErr_SetExcInfo(PyObject *p_type, PyObject *p_value, PyObject *p_traceback)
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367 {
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368 PyObject *oldtype, *oldvalue, *oldtraceback;
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369 PyThreadState *tstate = PyThreadState_GET();
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370
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371 oldtype = tstate->exc_type;
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372 oldvalue = tstate->exc_value;
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373 oldtraceback = tstate->exc_traceback;
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374
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375 tstate->exc_type = p_type;
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376 tstate->exc_value = p_value;
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377 tstate->exc_traceback = p_traceback;
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378
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379 Py_XDECREF(oldtype);
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380 Py_XDECREF(oldvalue);
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381 Py_XDECREF(oldtraceback);
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382 }
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383
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384 /* Convenience functions to set a type error exception and return 0 */
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385
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386 int
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387 PyErr_BadArgument(void)
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388 {
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389 PyErr_SetString(PyExc_TypeError,
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390 "bad argument type for built-in operation");
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391 return 0;
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392 }
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393
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394 PyObject *
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395 PyErr_NoMemory(void)
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396 {
84794
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Victor Stinner <victor.stinner@gmail.com>
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diff changeset
397 if (Py_TYPE(PyExc_MemoryError) == NULL) {
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398 /* PyErr_NoMemory() has been called before PyExc_MemoryError has been
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diff changeset
399 initialized by _PyExc_Init() */
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Victor Stinner <victor.stinner@gmail.com>
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400 Py_FatalError("Out of memory and PyExc_MemoryError is not "
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401 "initialized yet");
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402 }
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403 PyErr_SetNone(PyExc_MemoryError);
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404 return NULL;
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405 }
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406
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407 PyObject *
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408 PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
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409 {
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410 PyObject *message;
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411 PyObject *v, *args;
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412 int i = errno;
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413 #ifdef MS_WINDOWS
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414 WCHAR *s_buf = NULL;
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415 #endif /* Unix/Windows */
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416
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417 #ifdef EINTR
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418 if (i == EINTR && PyErr_CheckSignals())
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419 return NULL;
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420 #endif
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421
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422 #ifndef MS_WINDOWS
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423 if (i != 0) {
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424 char *s = strerror(i);
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425 message = PyUnicode_DecodeLocale(s, "surrogateescape");
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426 }
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427 else {
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428 /* Sometimes errno didn't get set */
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429 message = PyUnicode_FromString("Error");
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430 }
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431 #else
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432 if (i == 0)
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433 message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
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434 else
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435 {
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436 /* Note that the Win32 errors do not lineup with the
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437 errno error. So if the error is in the MSVC error
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438 table, we use it, otherwise we assume it really _is_
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439 a Win32 error code
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440 */
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441 if (i > 0 && i < _sys_nerr) {
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442 message = PyUnicode_FromString(_sys_errlist[i]);
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443 }
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444 else {
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445 int len = FormatMessageW(
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446 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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447 FORMAT_MESSAGE_FROM_SYSTEM |
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448 FORMAT_MESSAGE_IGNORE_INSERTS,
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449 NULL, /* no message source */
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450 i,
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451 MAKELANGID(LANG_NEUTRAL,
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452 SUBLANG_DEFAULT),
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453 /* Default language */
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454 (LPWSTR) &s_buf,
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455 0, /* size not used */
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456 NULL); /* no args */
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457 if (len==0) {
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458 /* Only ever seen this in out-of-mem
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459 situations */
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460 s_buf = NULL;
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461 message = PyUnicode_FromFormat("Windows Error 0x%X", i);
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462 } else {
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463 /* remove trailing cr/lf and dots */
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464 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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465 s_buf[--len] = L'\0';
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466 message = PyUnicode_FromWideChar(s_buf, len);
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467 }
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468 }
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469 }
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470 #endif /* Unix/Windows */
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471
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472 if (message == NULL)
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473 {
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474 #ifdef MS_WINDOWS
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475 LocalFree(s_buf);
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476 #endif
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477 return NULL;
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478 }
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479
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480 if (filenameObject != NULL)
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481 args = Py_BuildValue("(iOO)", i, message, filenameObject);
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482 else
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483 args = Py_BuildValue("(iO)", i, message);
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484 Py_DECREF(message);
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485
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486 if (args != NULL) {
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487 v = PyObject_Call(exc, args, NULL);
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488 Py_DECREF(args);
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489 if (v != NULL) {
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490 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
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491 Py_DECREF(v);
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492 }
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493 }
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494 #ifdef MS_WINDOWS
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495 LocalFree(s_buf);
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496 #endif
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497 return NULL;
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498 }
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499
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500
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501 PyObject *
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502 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
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503 {
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504 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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505 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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506 Py_XDECREF(name);
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507 return result;
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508 }
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509
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510 #ifdef MS_WINDOWS
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511 PyObject *
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512 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
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513 {
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514 PyObject *name = filename ?
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515 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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516 NULL;
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517 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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518 Py_XDECREF(name);
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519 return result;
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520 }
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521 #endif /* MS_WINDOWS */
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522
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523 PyObject *
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524 PyErr_SetFromErrno(PyObject *exc)
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525 {
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526 return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
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527 }
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528
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529 #ifdef MS_WINDOWS
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530 /* Windows specific error code handling */
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Mark Hammond <mhammond@skippinet.com.au>
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diff changeset
531 PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
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532 PyObject *exc,
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533 int ierr,
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534 PyObject *filenameObject)
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parents: 10638
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535 {
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536 int len;
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537 WCHAR *s_buf = NULL; /* Free via LocalFree */
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538 PyObject *message;
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539 PyObject *args, *v;
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540 DWORD err = (DWORD)ierr;
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541 if (err==0) err = GetLastError();
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542 len = FormatMessageW(
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543 /* Error API error */
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544 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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diff changeset
545 FORMAT_MESSAGE_FROM_SYSTEM |
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diff changeset
546 FORMAT_MESSAGE_IGNORE_INSERTS,
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547 NULL, /* no message source */
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548 err,
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549 MAKELANGID(LANG_NEUTRAL,
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550 SUBLANG_DEFAULT), /* Default language */
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551 (LPWSTR) &s_buf,
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552 0, /* size not used */
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553 NULL); /* no args */
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554 if (len==0) {
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555 /* Only seen this in out of mem situations */
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556 message = PyUnicode_FromFormat("Windows Error 0x%X", err);
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557 s_buf = NULL;
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558 } else {
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559 /* remove trailing cr/lf and dots */
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560 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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561 s_buf[--len] = L'\0';
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 68257
diff changeset
562 message = PyUnicode_FromWideChar(s_buf, len);
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563 }
43204
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Martin v. Löwis <martin@v.loewis.de>
parents: 42794
diff changeset
564
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565 if (message == NULL)
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566 {
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567 LocalFree(s_buf);
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568 return NULL;
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569 }
43204
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Martin v. Löwis <martin@v.loewis.de>
parents: 42794
diff changeset
570
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72848
diff changeset
571 if (filenameObject == NULL)
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
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572 filenameObject = Py_None;
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
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parents: 72848
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573 /* This is the constructor signature for passing a Windows error code.
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72848
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574 The POSIX translation will be figured out by the constructor. */
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575 args = Py_BuildValue("(iOOi)", 0, message, filenameObject, err);
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576 Py_DECREF(message);
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Martin v. Löwis <martin@v.loewis.de>
parents: 42794
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577
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diff changeset
578 if (args != NULL) {
84aed9ef7aaf Instantiate the OS-related exception as soon as we raise it, so that "except"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72926
diff changeset
579 v = PyObject_Call(exc, args, NULL);
84aed9ef7aaf Instantiate the OS-related exception as soon as we raise it, so that "except"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72926
diff changeset
580 Py_DECREF(args);
84aed9ef7aaf Instantiate the OS-related exception as soon as we raise it, so that "except"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72926
diff changeset
581 if (v != NULL) {
84aed9ef7aaf Instantiate the OS-related exception as soon as we raise it, so that "except"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72926
diff changeset
582 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
84aed9ef7aaf Instantiate the OS-related exception as soon as we raise it, so that "except"
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parents: 72926
diff changeset
583 Py_DECREF(v);
84aed9ef7aaf Instantiate the OS-related exception as soon as we raise it, so that "except"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72926
diff changeset
584 }
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585 }
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586 LocalFree(s_buf);
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587 return NULL;
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parents: 10638
diff changeset
588 }
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parents: 10638
diff changeset
589
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
590 PyObject *PyErr_SetExcFromWindowsErrWithFilename(
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591 PyObject *exc,
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592 int ierr,
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593 const char *filename)
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
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594 {
67163
5605f6920b63 Issue #10780: PyErr_SetFromWindowsErrWithFilename() and
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65688
diff changeset
595 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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596 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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597 ierr,
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598 name);
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599 Py_XDECREF(name);
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600 return ret;
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601 }
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
602
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
603 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
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604 PyObject *exc,
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605 int ierr,
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606 const Py_UNICODE *filename)
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
607 {
61467
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608 PyObject *name = filename ?
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609 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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610 NULL;
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611 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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612 ierr,
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613 name);
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614 Py_XDECREF(name);
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615 return ret;
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616 }
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617
24423
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618 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
3db261a93a5b New functions for extension writers on Windows:
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parents: 24071
diff changeset
619 {
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620 return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
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621 }
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622
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623 PyObject *PyErr_SetFromWindowsErr(int ierr)
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624 {
80944
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parents: 80189
diff changeset
625 return PyErr_SetExcFromWindowsErrWithFilename(PyExc_OSError,
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626 ierr, NULL);
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627 }
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628 PyObject *PyErr_SetFromWindowsErrWithFilename(
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629 int ierr,
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630 const char *filename)
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631 {
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parents: 65688
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632 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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633 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
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634 PyExc_OSError,
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635 ierr, name);
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636 Py_XDECREF(name);
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637 return result;
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parents: 10638
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638 }
25535
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diff changeset
639
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
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parents: 24423
diff changeset
640 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
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641 int ierr,
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642 const Py_UNICODE *filename)
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diff changeset
643 {
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644 PyObject *name = filename ?
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645 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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646 NULL;
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647 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
80944
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Andrew Svetlov <andrew.svetlov@gmail.com>
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648 PyExc_OSError,
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649 ierr, name);
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650 Py_XDECREF(name);
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651 return result;
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652 }
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653 #endif /* MS_WINDOWS */
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654
76272
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Brett Cannon <brett@python.org>
parents: 74009
diff changeset
655 PyObject *
84444
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Brett Cannon <brett@python.org>
parents: 84109
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656 PyErr_SetImportError(PyObject *msg, PyObject *name, PyObject *path)
76272
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Brett Cannon <brett@python.org>
parents: 74009
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657 {
76379
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Brian Curtin <brian@python.org>
parents: 76272
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658 PyObject *args, *kwargs, *error;
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
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659
84444
e3ec8b176a80 Issue #15767: Revert 3a50025f1900 for ModuleNotFoundError
Brett Cannon <brett@python.org>
parents: 84109
diff changeset
660 if (msg == NULL)
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
661 return NULL;
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
662
76391
cb6811eb20ef Fix it for good :-)
Antoine Pitrou <solipsis@pitrou.net>
parents: 76389
diff changeset
663 args = PyTuple_New(1);
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
664 if (args == NULL)
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
665 return NULL;
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
666
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
667 kwargs = PyDict_New();
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
668 if (kwargs == NULL) {
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
669 Py_DECREF(args);
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
670 return NULL;
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
671 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
672
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
673 if (name == NULL) {
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
674 name = Py_None;
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
675 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
676
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
677 if (path == NULL) {
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
678 path = Py_None;
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
679 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
680
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
681 Py_INCREF(msg);
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
682 PyTuple_SET_ITEM(args, 0, msg);
84694
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
683
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
684 if (PyDict_SetItemString(kwargs, "name", name) < 0)
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
685 return NULL;
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
686 if (PyDict_SetItemString(kwargs, "path", path) < 0)
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
687 return NULL;
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
688
84444
e3ec8b176a80 Issue #15767: Revert 3a50025f1900 for ModuleNotFoundError
Brett Cannon <brett@python.org>
parents: 84109
diff changeset
689 error = PyObject_Call(PyExc_ImportError, args, kwargs);
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
690 if (error != NULL) {
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
691 PyErr_SetObject((PyObject *)Py_TYPE(error), error);
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
692 Py_DECREF(error);
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
693 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
694
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
695 Py_DECREF(args);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
696 Py_DECREF(kwargs);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
697
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
698 return NULL;
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
699 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
700
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
701 void
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
702 _PyErr_BadInternalCall(const char *filename, int lineno)
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
703 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
704 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
705 "%s:%d: bad argument to internal function",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
706 filename, lineno);
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
707 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
708
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
709 /* Remove the preprocessor macro for PyErr_BadInternalCall() so that we can
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
710 export the entry point for existing object code: */
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
711 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
712 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13578
diff changeset
713 PyErr_BadInternalCall(void)
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
714 {
84574
2f7c4df5cc46 Issue #18408: errors.c: in debug mode, calling PyErr_BadInternalCall() now
Victor Stinner <victor.stinner@gmail.com>
parents: 84444
diff changeset
715 assert(0 && "bad argument to internal function");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
716 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
717 "bad argument to internal function");
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
718 }
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
719 #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
720
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
721
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
722
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
723 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
724 PyErr_Format(PyObject *exception, const char *format, ...)
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
725 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
726 va_list vargs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
727 PyObject* string;
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
728
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
729 #ifdef HAVE_STDARG_PROTOTYPES
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
730 va_start(vargs, format);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
731 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
732 va_start(vargs);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
733 #endif
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
734
84704
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
735 #ifdef Py_DEBUG
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
736 /* in debug mode, PyEval_EvalFrameEx() fails with an assertion error
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
737 if an exception is set when it is called */
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
738 PyErr_Clear();
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
739 #endif
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
740
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
741 string = PyUnicode_FromFormatV(format, vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
742 PyErr_SetObject(exception, string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
743 Py_XDECREF(string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
744 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
745 return NULL;
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
746 }
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
747
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
748
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
749
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
750 PyObject *
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
751 PyErr_NewException(const char *name, PyObject *base, PyObject *dict)
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
752 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
753 const char *dot;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
754 PyObject *modulename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
755 PyObject *classname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
756 PyObject *mydict = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
757 PyObject *bases = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
758 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
759 dot = strrchr(name, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
760 if (dot == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
761 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
762 "PyErr_NewException: name must be module.class");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
763 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
764 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
765 if (base == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
766 base = PyExc_Exception;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
767 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
768 dict = mydict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
769 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
770 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
771 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
772 if (PyDict_GetItemString(dict, "__module__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
773 modulename = PyUnicode_FromStringAndSize(name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
774 (Py_ssize_t)(dot-name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
775 if (modulename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
776 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
777 if (PyDict_SetItemString(dict, "__module__", modulename) != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
778 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
779 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
780 if (PyTuple_Check(base)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
781 bases = base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
782 /* INCREF as we create a new ref in the else branch */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
783 Py_INCREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
784 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
785 bases = PyTuple_Pack(1, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
786 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
787 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
788 }
73949
021e5bb297d1 Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 72965
diff changeset
789 /* Create a real class. */
62155
600c23127207 Issue #8848: U / U# formats of Py_BuildValue() are just alias to s / s#
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61555
diff changeset
790 result = PyObject_CallFunction((PyObject *)&PyType_Type, "sOO",
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
791 dot+1, bases, dict);
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
792 failure:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
793 Py_XDECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
794 Py_XDECREF(mydict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
795 Py_XDECREF(classname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
796 Py_XDECREF(modulename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
797 return result;
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
798 }
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
799
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
800
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
801 /* Create an exception with docstring */
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
802 PyObject *
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
803 PyErr_NewExceptionWithDoc(const char *name, const char *doc,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
804 PyObject *base, PyObject *dict)
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
805 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
806 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
807 PyObject *ret = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
808 PyObject *mydict = NULL; /* points to the dict only if we create it */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
809 PyObject *docobj;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
810
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
811 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
812 dict = mydict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
813 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
814 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
815 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
816 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
817
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
818 if (doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
819 docobj = PyUnicode_FromString(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
820 if (docobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
821 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
822 result = PyDict_SetItemString(dict, "__doc__", docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
823 Py_DECREF(docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
824 if (result < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
825 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
826 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
827
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
828 ret = PyErr_NewException(name, base, dict);
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
829 failure:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
830 Py_XDECREF(mydict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
831 return ret;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
832 }
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
833
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
834
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
835 /* Call when an exception has occurred but there is no way for Python
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
836 to handle it. Examples: exception in __del__ or during GC. */
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
837 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
838 PyErr_WriteUnraisable(PyObject *obj)
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
839 {
72925
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents: 72893
diff changeset
840 _Py_IDENTIFIER(__module__);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
841 PyObject *f, *t, *v, *tb;
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
842 PyObject *moduleName = NULL;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
843 char* className;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
844
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
845 PyErr_Fetch(&t, &v, &tb);
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
846
86974
954167ce92a3 Issue #19512: add some common identifiers to only create common strings once,
Victor Stinner <victor.stinner@gmail.com>
parents: 86257
diff changeset
847 f = _PySys_GetObjectId(&_PyId_stderr);
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
848 if (f == NULL || f == Py_None)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
849 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
850
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
851 if (obj) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
852 if (PyFile_WriteString("Exception ignored in: ", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
853 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
854 if (PyFile_WriteObject(obj, f, 0) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
855 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
856 if (PyFile_WriteString("\n", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
857 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
858 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
859
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
860 if (PyTraceBack_Print(tb, f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
861 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
862
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
863 if (!t)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
864 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
865
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
866 assert(PyExceptionClass_Check(t));
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
867 className = PyExceptionClass_Name(t);
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
868 if (className != NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
869 char *dot = strrchr(className, '.');
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
870 if (dot != NULL)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
871 className = dot+1;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
872 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
873
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
874 moduleName = _PyObject_GetAttrId(t, &PyId___module__);
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
875 if (moduleName == NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
876 PyErr_Clear();
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
877 if (PyFile_WriteString("<unknown>", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
878 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
879 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
880 else {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
881 if (PyUnicode_CompareWithASCIIString(moduleName, "builtins") != 0) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
882 if (PyFile_WriteObject(moduleName, f, Py_PRINT_RAW) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
883 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
884 if (PyFile_WriteString(".", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
885 goto done;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
886 }
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
887 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
888 if (className == NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
889 if (PyFile_WriteString("<unknown>", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
890 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
891 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
892 else {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
893 if (PyFile_WriteString(className, f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
894 goto done;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
895 }
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
896
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
897 if (v && v != Py_None) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
898 if (PyFile_WriteString(": ", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
899 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
900 if (PyFile_WriteObject(v, f, Py_PRINT_RAW) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
901 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
902 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
903 if (PyFile_WriteString("\n", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
904 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
905
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
906 done:
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
907 Py_XDECREF(moduleName);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
908 Py_XDECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
909 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
910 Py_XDECREF(tb);
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
911 PyErr_Clear(); /* Just in case */
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
912 }
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
913
30781
74747f62f286 Made function declaration a proper C prototype
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
914 extern PyObject *PyModule_GetWarningsModule(void);
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
915
16850
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
916
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
917 void
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
918 PyErr_SyntaxLocation(const char *filename, int lineno)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
919 {
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
920 PyErr_SyntaxLocationEx(filename, lineno, -1);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
921 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
922
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
923
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
924 /* Set file and line information for the current exception.
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
925 If the exception is not a SyntaxError, also sets additional attributes
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
926 to make printing of exceptions believe it is a syntax error. */
16850
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
927
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
928 void
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
929 PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
930 {
61467
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diff changeset
931 PyObject *exc, *v, *tb, *tmp;
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
932 _Py_IDENTIFIER(filename);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
933 _Py_IDENTIFIER(lineno);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
934 _Py_IDENTIFIER(msg);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
935 _Py_IDENTIFIER(offset);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
936 _Py_IDENTIFIER(print_file_and_line);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
937 _Py_IDENTIFIER(text);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
938
61467
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parents: 54129
diff changeset
939 /* add attributes for the line number and filename for the error */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
940 PyErr_Fetch(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
941 PyErr_NormalizeException(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
942 /* XXX check that it is, indeed, a syntax error. It might not
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
943 * be, though. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
944 tmp = PyLong_FromLong(lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
945 if (tmp == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
946 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
947 else {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
948 if (_PyObject_SetAttrId(v, &PyId_lineno, tmp))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
949 PyErr_Clear();
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diff changeset
950 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
951 }
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
952 if (col_offset >= 0) {
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
953 tmp = PyLong_FromLong(col_offset);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
954 if (tmp == NULL)
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
955 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
956 else {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
957 if (_PyObject_SetAttrId(v, &PyId_offset, tmp))
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
958 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
959 Py_DECREF(tmp);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
960 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
961 }
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diff changeset
962 if (filename != NULL) {
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
963 if (_PyObject_SetAttrId(v, &PyId_filename, filename))
61467
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diff changeset
964 PyErr_Clear();
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
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parents: 15591
diff changeset
965
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
966 tmp = PyErr_ProgramTextObject(filename, lineno);
61467
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diff changeset
967 if (tmp) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
968 if (_PyObject_SetAttrId(v, &PyId_text, tmp))
61467
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diff changeset
969 PyErr_Clear();
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diff changeset
970 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
971 }
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diff changeset
972 }
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
973 if (_PyObject_SetAttrId(v, &PyId_offset, Py_None)) {
61467
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diff changeset
974 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
975 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
976 if (exc != PyExc_SyntaxError) {
72926
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
977 if (!_PyObject_HasAttrId(v, &PyId_msg)) {
61467
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diff changeset
978 tmp = PyObject_Str(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
979 if (tmp) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
980 if (_PyObject_SetAttrId(v, &PyId_msg, tmp))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
981 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
982 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
983 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
984 PyErr_Clear();
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diff changeset
985 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
986 }
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
987 if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) {
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
988 if (_PyObject_SetAttrId(v, &PyId_print_file_and_line,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
989 Py_None))
61467
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diff changeset
990 PyErr_Clear();
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diff changeset
991 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
992 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
993 PyErr_Restore(exc, v, tb);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
994 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
995
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
996 void
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
997 PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
998 {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
999 PyObject *fileobj;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1000 if (filename != NULL) {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1001 fileobj = PyUnicode_DecodeFSDefault(filename);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1002 if (fileobj == NULL)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1003 PyErr_Clear();
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1004 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
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diff changeset
1005 else
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
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diff changeset
1006 fileobj = NULL;
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Victor Stinner <victor.stinner@gmail.com>
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diff changeset
1007 PyErr_SyntaxLocationObject(fileobj, lineno, col_offset);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
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diff changeset
1008 Py_XDECREF(fileobj);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1009 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1010
43524
2f30bfb7c738 Minor cleanup of the comment for PyErr_ProgramText() and a tweak to the code
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
1011 /* Attempt to load the line of text that the exception refers to. If it
2f30bfb7c738 Minor cleanup of the comment for PyErr_ProgramText() and a tweak to the code
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parents: 43292
diff changeset
1012 fails, it will return NULL but will not set an exception.
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1013
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1014 XXX The functionality of this function is quite similar to the
43524
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Guido van Rossum <guido@python.org>
parents: 43292
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1015 functionality in tb_displayline() in traceback.c. */
16838
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diff changeset
1016
86257
eeec58c57964 Don't export internal symbols ("make smelly")
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1017 static PyObject *
85417
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diff changeset
1018 err_programtext(FILE *fp, int lineno)
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diff changeset
1019 {
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diff changeset
1020 int i;
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1021 char linebuf[1000];
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1022
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1023 if (fp == NULL)
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1024 return NULL;
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1025 for (i = 0; i < lineno; i++) {
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diff changeset
1026 char *pLastChar = &linebuf[sizeof(linebuf) - 2];
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diff changeset
1027 do {
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1028 *pLastChar = '\0';
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1029 if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
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diff changeset
1030 fp, NULL) == NULL)
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1031 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1032 /* fgets read *something*; if it didn't get as
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diff changeset
1033 far as pLastChar, it must have found a newline
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diff changeset
1034 or hit the end of the file; if pLastChar is \n,
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diff changeset
1035 it obviously found a newline; else we haven't
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diff changeset
1036 yet seen a newline, so must continue */
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1037 } while (*pLastChar != '\0' && *pLastChar != '\n');
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1038 }
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1039 fclose(fp);
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1040 if (i == lineno) {
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1041 char *p = linebuf;
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1042 PyObject *res;
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diff changeset
1043 while (*p == ' ' || *p == '\t' || *p == '\014')
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1044 p++;
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1045 res = PyUnicode_FromString(p);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
1046 if (res == NULL)
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parents: 54129
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1047 PyErr_Clear();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
1048 return res;
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parents: 54129
diff changeset
1049 }
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1050 return NULL;
16838
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
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1051 }
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1052
85417
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
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1053 PyObject *
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
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1054 PyErr_ProgramText(const char *filename, int lineno)
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1055 {
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1056 FILE *fp;
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
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1057 if (filename == NULL || *filename == '\0' || lineno <= 0)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1058 return NULL;
85420
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Victor Stinner <victor.stinner@gmail.com>
parents: 85417
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1059 fp = _Py_fopen(filename, "r" PY_STDIOTEXTMODE);
85417
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1060 return err_programtext(fp, lineno);
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1061 }
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1062
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1063 PyObject *
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1064 PyErr_ProgramTextObject(PyObject *filename, int lineno)
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1065 {
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1066 FILE *fp;
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1067 if (filename == NULL || lineno <= 0)
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Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1068 return NULL;
85420
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Victor Stinner <victor.stinner@gmail.com>
parents: 85417
diff changeset
1069 fp = _Py_fopen_obj(filename, "r" PY_STDIOTEXTMODE);
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1070 return err_programtext(fp, lineno);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1071 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1072
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Thomas Wouters <thomas@python.org>
parents: 37871
diff changeset
1073 #ifdef __cplusplus
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1074 }
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1075 #endif