annotate Python/errors.c @ 85415:e63f19d0a651

Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors * Catch PyFile_WriteString() and PyFile_WriteObject() errors * Clear the current exception on _PyObject_GetAttrId() failure * Use PyUnicode_CompareWithASCIIString() and PyFile_WriteObject() instead of _PyUnicode_AsString() and strcmp() to avoid Unicode encoding error. stderr has a more tolerant error handler than utf-8/strict.
author Victor Stinner <vstinner@wyplay.com>
date Mon, 26 Aug 2013 14:04:10 +0200
parents 9b77b3ee6fb8
children df2fdd42b375
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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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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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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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120 void
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121 PyErr_SetNone(PyObject *exception)
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122 {
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123 PyErr_SetObject(exception, (PyObject *)NULL);
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124 }
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126 void
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127 PyErr_SetString(PyObject *exception, const char *string)
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128 {
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129 PyObject *value = PyUnicode_FromString(string);
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130 PyErr_SetObject(exception, value);
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131 Py_XDECREF(value);
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132 }
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133
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134
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135 PyObject *
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136 PyErr_Occurred(void)
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137 {
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138 /* If there is no thread state, PyThreadState_GET calls
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139 Py_FatalError, which calls PyErr_Occurred. To avoid the
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140 resulting infinite loop, we inline PyThreadState_GET here and
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141 treat no thread as no error. */
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142 PyThreadState *tstate =
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143 ((PyThreadState*)_Py_atomic_load_relaxed(&_PyThreadState_Current));
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144
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145 return tstate == NULL ? NULL : tstate->curexc_type;
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146 }
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147
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148
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149 int
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150 PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc)
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151 {
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152 if (err == NULL || exc == NULL) {
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153 /* maybe caused by "import exceptions" that failed early on */
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154 return 0;
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155 }
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156 if (PyTuple_Check(exc)) {
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157 Py_ssize_t i, n;
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158 n = PyTuple_Size(exc);
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159 for (i = 0; i < n; i++) {
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160 /* Test recursively */
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161 if (PyErr_GivenExceptionMatches(
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162 err, PyTuple_GET_ITEM(exc, i)))
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163 {
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164 return 1;
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165 }
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166 }
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167 return 0;
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168 }
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169 /* err might be an instance, so check its class. */
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170 if (PyExceptionInstance_Check(err))
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171 err = PyExceptionInstance_Class(err);
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172
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173 if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
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174 int res = 0;
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175 PyObject *exception, *value, *tb;
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176 PyErr_Fetch(&exception, &value, &tb);
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177 /* PyObject_IsSubclass() can recurse and therefore is
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178 not safe (see test_bad_getattr in test.pickletester). */
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179 res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
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180 /* This function must not fail, so print the error here */
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181 if (res == -1) {
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182 PyErr_WriteUnraisable(err);
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183 res = 0;
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184 }
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185 PyErr_Restore(exception, value, tb);
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186 return res;
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187 }
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188
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189 return err == exc;
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190 }
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191
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192
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193 int
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194 PyErr_ExceptionMatches(PyObject *exc)
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195 {
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196 return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
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197 }
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198
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199
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200 /* Used in many places to normalize a raised exception, including in
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201 eval_code2(), do_raise(), and PyErr_Print()
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202
2ee09afee126 implement chained exception tracebacks
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203 XXX: should PyErr_NormalizeException() also call
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204 PyException_SetTraceback() with the resulting value and tb?
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205 */
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206 void
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207 PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb)
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208 {
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209 PyObject *type = *exc;
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210 PyObject *value = *val;
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211 PyObject *inclass = NULL;
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212 PyObject *initial_tb = NULL;
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213 PyThreadState *tstate = NULL;
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214
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215 if (type == NULL) {
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216 /* There was no exception, so nothing to do. */
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217 return;
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218 }
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219
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220 /* If PyErr_SetNone() was used, the value will have been actually
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221 set to NULL.
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222 */
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223 if (!value) {
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224 value = Py_None;
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225 Py_INCREF(value);
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226 }
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227
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228 if (PyExceptionInstance_Check(value))
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229 inclass = PyExceptionInstance_Class(value);
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230
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231 /* Normalize the exception so that if the type is a class, the
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232 value will be an instance.
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233 */
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234 if (PyExceptionClass_Check(type)) {
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235 int is_subclass;
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236 if (inclass) {
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237 is_subclass = PyObject_IsSubclass(inclass, type);
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238 if (is_subclass < 0)
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239 goto finally;
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240 }
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241 else
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242 is_subclass = 0;
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243
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244 /* if the value was not an instance, or is not an instance
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245 whose class is (or is derived from) type, then use the
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246 value as an argument to instantiation of the type
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247 class.
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248 */
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249 if (!inclass || !is_subclass) {
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250 PyObject *args, *res;
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251
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252 if (value == Py_None)
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253 args = PyTuple_New(0);
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254 else if (PyTuple_Check(value)) {
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255 Py_INCREF(value);
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256 args = value;
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257 }
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258 else
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259 args = PyTuple_Pack(1, value);
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260
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261 if (args == NULL)
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262 goto finally;
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263 res = PyEval_CallObject(type, args);
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264 Py_DECREF(args);
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265 if (res == NULL)
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266 goto finally;
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267 Py_DECREF(value);
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268 value = res;
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269 }
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270 /* if the class of the instance doesn't exactly match the
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271 class of the type, believe the instance
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272 */
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273 else if (inclass != type) {
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274 Py_DECREF(type);
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275 type = inclass;
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276 Py_INCREF(type);
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277 }
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278 }
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279 *exc = type;
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280 *val = value;
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281 return;
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282 finally:
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283 Py_DECREF(type);
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284 Py_DECREF(value);
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285 /* If the new exception doesn't set a traceback and the old
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286 exception had a traceback, use the old traceback for the
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287 new exception. It's better than nothing.
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288 */
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289 initial_tb = *tb;
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290 PyErr_Fetch(exc, val, tb);
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291 if (initial_tb != NULL) {
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292 if (*tb == NULL)
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293 *tb = initial_tb;
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294 else
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295 Py_DECREF(initial_tb);
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296 }
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297 /* normalize recursively */
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298 tstate = PyThreadState_GET();
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299 if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
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300 --tstate->recursion_depth;
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301 /* throw away the old exception... */
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302 Py_DECREF(*exc);
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303 Py_DECREF(*val);
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304 /* ... and use the recursion error instead */
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305 *exc = PyExc_RuntimeError;
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306 *val = PyExc_RecursionErrorInst;
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307 Py_INCREF(*exc);
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308 Py_INCREF(*val);
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309 /* just keeping the old traceback */
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310 return;
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311 }
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312 PyErr_NormalizeException(exc, val, tb);
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313 --tstate->recursion_depth;
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314 }
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315
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316
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317 void
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318 PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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319 {
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320 PyThreadState *tstate = PyThreadState_GET();
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321
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322 *p_type = tstate->curexc_type;
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323 *p_value = tstate->curexc_value;
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324 *p_traceback = tstate->curexc_traceback;
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325
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326 tstate->curexc_type = NULL;
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327 tstate->curexc_value = NULL;
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328 tstate->curexc_traceback = NULL;
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329 }
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330
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331 void
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332 PyErr_Clear(void)
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333 {
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334 PyErr_Restore(NULL, NULL, NULL);
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335 }
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336
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337 void
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338 PyErr_GetExcInfo(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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339 {
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340 PyThreadState *tstate = PyThreadState_GET();
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341
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342 *p_type = tstate->exc_type;
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343 *p_value = tstate->exc_value;
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344 *p_traceback = tstate->exc_traceback;
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345
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346 Py_XINCREF(*p_type);
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347 Py_XINCREF(*p_value);
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348 Py_XINCREF(*p_traceback);
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349 }
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350
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351 void
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352 PyErr_SetExcInfo(PyObject *p_type, PyObject *p_value, PyObject *p_traceback)
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353 {
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354 PyObject *oldtype, *oldvalue, *oldtraceback;
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355 PyThreadState *tstate = PyThreadState_GET();
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356
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357 oldtype = tstate->exc_type;
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358 oldvalue = tstate->exc_value;
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359 oldtraceback = tstate->exc_traceback;
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360
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361 tstate->exc_type = p_type;
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362 tstate->exc_value = p_value;
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363 tstate->exc_traceback = p_traceback;
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364
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365 Py_XDECREF(oldtype);
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366 Py_XDECREF(oldvalue);
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367 Py_XDECREF(oldtraceback);
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368 }
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369
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370 /* Convenience functions to set a type error exception and return 0 */
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371
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372 int
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373 PyErr_BadArgument(void)
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374 {
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375 PyErr_SetString(PyExc_TypeError,
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376 "bad argument type for built-in operation");
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377 return 0;
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378 }
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379
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380 PyObject *
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381 PyErr_NoMemory(void)
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382 {
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383 if (Py_TYPE(PyExc_MemoryError) == NULL) {
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384 /* PyErr_NoMemory() has been called before PyExc_MemoryError has been
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385 initialized by _PyExc_Init() */
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386 Py_FatalError("Out of memory and PyExc_MemoryError is not "
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387 "initialized yet");
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388 }
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389 PyErr_SetNone(PyExc_MemoryError);
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390 return NULL;
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391 }
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392
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393 PyObject *
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394 PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
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395 {
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396 PyObject *message;
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397 PyObject *v, *args;
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398 int i = errno;
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399 #ifdef MS_WINDOWS
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400 WCHAR *s_buf = NULL;
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401 #endif /* Unix/Windows */
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402
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403 #ifdef EINTR
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404 if (i == EINTR && PyErr_CheckSignals())
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405 return NULL;
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406 #endif
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407
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408 #ifndef MS_WINDOWS
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409 if (i != 0) {
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410 char *s = strerror(i);
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411 message = PyUnicode_DecodeLocale(s, "surrogateescape");
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412 }
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413 else {
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414 /* Sometimes errno didn't get set */
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415 message = PyUnicode_FromString("Error");
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416 }
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417 #else
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418 if (i == 0)
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419 message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
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420 else
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421 {
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422 /* Note that the Win32 errors do not lineup with the
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423 errno error. So if the error is in the MSVC error
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424 table, we use it, otherwise we assume it really _is_
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425 a Win32 error code
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426 */
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427 if (i > 0 && i < _sys_nerr) {
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428 message = PyUnicode_FromString(_sys_errlist[i]);
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429 }
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430 else {
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431 int len = FormatMessageW(
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432 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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433 FORMAT_MESSAGE_FROM_SYSTEM |
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434 FORMAT_MESSAGE_IGNORE_INSERTS,
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435 NULL, /* no message source */
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436 i,
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437 MAKELANGID(LANG_NEUTRAL,
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438 SUBLANG_DEFAULT),
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439 /* Default language */
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440 (LPWSTR) &s_buf,
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441 0, /* size not used */
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442 NULL); /* no args */
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443 if (len==0) {
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444 /* Only ever seen this in out-of-mem
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445 situations */
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446 s_buf = NULL;
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447 message = PyUnicode_FromFormat("Windows Error 0x%X", i);
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448 } else {
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449 /* remove trailing cr/lf and dots */
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450 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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451 s_buf[--len] = L'\0';
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452 message = PyUnicode_FromWideChar(s_buf, len);
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453 }
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454 }
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455 }
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456 #endif /* Unix/Windows */
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457
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458 if (message == NULL)
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459 {
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460 #ifdef MS_WINDOWS
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461 LocalFree(s_buf);
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462 #endif
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463 return NULL;
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464 }
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465
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466 if (filenameObject != NULL)
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467 args = Py_BuildValue("(iOO)", i, message, filenameObject);
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468 else
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469 args = Py_BuildValue("(iO)", i, message);
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470 Py_DECREF(message);
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471
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472 if (args != NULL) {
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473 v = PyObject_Call(exc, args, NULL);
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474 Py_DECREF(args);
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475 if (v != NULL) {
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476 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
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477 Py_DECREF(v);
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478 }
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479 }
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480 #ifdef MS_WINDOWS
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481 LocalFree(s_buf);
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482 #endif
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483 return NULL;
9
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484 }
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485
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486
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487 PyObject *
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488 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
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489 {
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490 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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491 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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492 Py_XDECREF(name);
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493 return result;
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494 }
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495
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496 #ifdef MS_WINDOWS
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497 PyObject *
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498 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
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499 {
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500 PyObject *name = filename ?
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501 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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502 NULL;
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503 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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504 Py_XDECREF(name);
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505 return result;
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506 }
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507 #endif /* MS_WINDOWS */
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508
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509 PyObject *
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510 PyErr_SetFromErrno(PyObject *exc)
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511 {
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512 return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
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513 }
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514
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515 #ifdef MS_WINDOWS
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516 /* Windows specific error code handling */
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517 PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
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518 PyObject *exc,
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519 int ierr,
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520 PyObject *filenameObject)
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521 {
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522 int len;
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523 WCHAR *s_buf = NULL; /* Free via LocalFree */
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524 PyObject *message;
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525 PyObject *args, *v;
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526 DWORD err = (DWORD)ierr;
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527 if (err==0) err = GetLastError();
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528 len = FormatMessageW(
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diff changeset
529 /* Error API error */
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diff changeset
530 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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diff changeset
531 FORMAT_MESSAGE_FROM_SYSTEM |
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diff changeset
532 FORMAT_MESSAGE_IGNORE_INSERTS,
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diff changeset
533 NULL, /* no message source */
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diff changeset
534 err,
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diff changeset
535 MAKELANGID(LANG_NEUTRAL,
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diff changeset
536 SUBLANG_DEFAULT), /* Default language */
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diff changeset
537 (LPWSTR) &s_buf,
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diff changeset
538 0, /* size not used */
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parents: 54129
diff changeset
539 NULL); /* no args */
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parents: 54129
diff changeset
540 if (len==0) {
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parents: 54129
diff changeset
541 /* Only seen this in out of mem situations */
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parents: 54129
diff changeset
542 message = PyUnicode_FromFormat("Windows Error 0x%X", err);
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parents: 54129
diff changeset
543 s_buf = NULL;
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diff changeset
544 } else {
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parents: 54129
diff changeset
545 /* remove trailing cr/lf and dots */
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parents: 54129
diff changeset
546 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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diff changeset
547 s_buf[--len] = L'\0';
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 68257
diff changeset
548 message = PyUnicode_FromWideChar(s_buf, len);
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549 }
43204
b51ac2d2d538 Patch #1075: Use wide API to format error messages.
Martin v. Löwis <martin@v.loewis.de>
parents: 42794
diff changeset
550
61467
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diff changeset
551 if (message == NULL)
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diff changeset
552 {
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diff changeset
553 LocalFree(s_buf);
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diff changeset
554 return NULL;
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555 }
43204
b51ac2d2d538 Patch #1075: Use wide API to format error messages.
Martin v. Löwis <martin@v.loewis.de>
parents: 42794
diff changeset
556
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72848
diff changeset
557 if (filenameObject == NULL)
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72848
diff changeset
558 filenameObject = Py_None;
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72848
diff changeset
559 /* 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
diff changeset
560 The POSIX translation will be figured out by the constructor. */
72965
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
561 args = Py_BuildValue("(iOOi)", 0, message, filenameObject, err);
61467
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562 Py_DECREF(message);
43204
b51ac2d2d538 Patch #1075: Use wide API to format error messages.
Martin v. Löwis <martin@v.loewis.de>
parents: 42794
diff changeset
563
72965
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 72926
diff changeset
564 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
565 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
566 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
567 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
568 PyErr_SetObject((PyObject *) Py_TYPE(v), 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
569 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
570 }
61467
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571 }
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572 LocalFree(s_buf);
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diff changeset
573 return NULL;
11801
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Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
574 }
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
575
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
576 PyObject *PyErr_SetExcFromWindowsErrWithFilename(
61467
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diff changeset
577 PyObject *exc,
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diff changeset
578 int ierr,
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diff changeset
579 const char *filename)
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
580 {
67163
5605f6920b63 Issue #10780: PyErr_SetFromWindowsErrWithFilename() and
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65688
diff changeset
581 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
61467
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diff changeset
582 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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diff changeset
583 ierr,
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diff changeset
584 name);
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diff changeset
585 Py_XDECREF(name);
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diff changeset
586 return ret;
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
587 }
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
588
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
589 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
61467
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diff changeset
590 PyObject *exc,
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diff changeset
591 int ierr,
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diff changeset
592 const Py_UNICODE *filename)
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
593 {
61467
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diff changeset
594 PyObject *name = filename ?
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diff changeset
595 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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parents: 54129
diff changeset
596 NULL;
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diff changeset
597 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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diff changeset
598 ierr,
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diff changeset
599 name);
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diff changeset
600 Py_XDECREF(name);
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diff changeset
601 return ret;
25535
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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
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
604 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
605 {
61467
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diff changeset
606 return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
607 }
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
608
11801
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
609 PyObject *PyErr_SetFromWindowsErr(int ierr)
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
610 {
80944
bb94f6222fef Issue #16719: Get rid of WindowsError. Use OSError instead
Andrew Svetlov <andrew.svetlov@gmail.com>
parents: 80189
diff changeset
611 return PyErr_SetExcFromWindowsErrWithFilename(PyExc_OSError,
61467
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diff changeset
612 ierr, NULL);
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
613 }
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
614 PyObject *PyErr_SetFromWindowsErrWithFilename(
61467
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diff changeset
615 int ierr,
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diff changeset
616 const char *filename)
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
617 {
67163
5605f6920b63 Issue #10780: PyErr_SetFromWindowsErrWithFilename() and
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65688
diff changeset
618 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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diff changeset
619 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
80944
bb94f6222fef Issue #16719: Get rid of WindowsError. Use OSError instead
Andrew Svetlov <andrew.svetlov@gmail.com>
parents: 80189
diff changeset
620 PyExc_OSError,
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621 ierr, name);
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622 Py_XDECREF(name);
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parents: 54129
diff changeset
623 return result;
11801
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
624 }
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
625
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
626 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
61467
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diff changeset
627 int ierr,
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diff changeset
628 const Py_UNICODE *filename)
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
629 {
61467
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diff changeset
630 PyObject *name = filename ?
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631 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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parents: 54129
diff changeset
632 NULL;
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parents: 54129
diff changeset
633 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
80944
bb94f6222fef Issue #16719: Get rid of WindowsError. Use OSError instead
Andrew Svetlov <andrew.svetlov@gmail.com>
parents: 80189
diff changeset
634 PyExc_OSError,
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635 ierr, name);
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636 Py_XDECREF(name);
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diff changeset
637 return result;
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
638 }
11801
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Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
639 #endif /* MS_WINDOWS */
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
640
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
641 PyObject *
84444
e3ec8b176a80 Issue #15767: Revert 3a50025f1900 for ModuleNotFoundError
Brett Cannon <brett@python.org>
parents: 84109
diff changeset
642 PyErr_SetImportError(PyObject *msg, PyObject *name, PyObject *path)
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
643 {
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
644 PyObject *args, *kwargs, *error;
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
645
84444
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Brett Cannon <brett@python.org>
parents: 84109
diff changeset
646 if (msg == NULL)
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
647 return NULL;
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
648
76391
cb6811eb20ef Fix it for good :-)
Antoine Pitrou <solipsis@pitrou.net>
parents: 76389
diff changeset
649 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
650 if (args == NULL)
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
651 return NULL;
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
652
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
653 kwargs = PyDict_New();
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
654 if (kwargs == NULL) {
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
655 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
656 return NULL;
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
657 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
658
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
659 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
660 name = Py_None;
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
661 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
662
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
663 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
664 path = Py_None;
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
665 }
76379
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 Py_INCREF(msg);
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
668 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
669
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
670 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
671 return NULL;
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
672 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
673 return NULL;
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
674
84444
e3ec8b176a80 Issue #15767: Revert 3a50025f1900 for ModuleNotFoundError
Brett Cannon <brett@python.org>
parents: 84109
diff changeset
675 error = PyObject_Call(PyExc_ImportError, args, kwargs);
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
676 if (error != NULL) {
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
677 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
678 Py_DECREF(error);
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
679 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
680
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
681 Py_DECREF(args);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
682 Py_DECREF(kwargs);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
683
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
684 return NULL;
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
685 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
686
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
687 void
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
688 _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
689 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
690 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
691 "%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
692 filename, lineno);
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
693 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
694
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
695 /* 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
696 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
697 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
698 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13578
diff changeset
699 PyErr_BadInternalCall(void)
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
700 {
84574
2f7c4df5cc46 Issue #18408: errors.c: in debug mode, calling PyErr_BadInternalCall() now
Victor Stinner <victor.stinner@gmail.com>
parents: 84444
diff changeset
701 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
702 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
703 "bad argument to internal function");
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
704 }
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
705 #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
706
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
707
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
708
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
709 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
710 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
711 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
712 va_list vargs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
713 PyObject* string;
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
714
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
715 #ifdef HAVE_STDARG_PROTOTYPES
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
716 va_start(vargs, format);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
717 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
718 va_start(vargs);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
719 #endif
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
720
84704
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
721 #ifdef Py_DEBUG
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
722 /* 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
723 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
724 PyErr_Clear();
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
725 #endif
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
726
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
727 string = PyUnicode_FromFormatV(format, vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
728 PyErr_SetObject(exception, string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
729 Py_XDECREF(string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
730 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
731 return NULL;
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
732 }
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
733
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
734
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
735
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
736 PyObject *
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
737 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
738 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
739 const char *dot;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
740 PyObject *modulename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
741 PyObject *classname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
742 PyObject *mydict = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
743 PyObject *bases = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
744 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
745 dot = strrchr(name, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
746 if (dot == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
747 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
748 "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
749 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
750 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
751 if (base == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
752 base = PyExc_Exception;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
753 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
754 dict = mydict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
755 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
756 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
757 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
758 if (PyDict_GetItemString(dict, "__module__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
759 modulename = PyUnicode_FromStringAndSize(name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
760 (Py_ssize_t)(dot-name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
761 if (modulename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
762 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
763 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
764 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
765 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
766 if (PyTuple_Check(base)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
767 bases = base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
768 /* 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
769 Py_INCREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
770 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
771 bases = PyTuple_Pack(1, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
772 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
773 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
774 }
73949
021e5bb297d1 Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 72965
diff changeset
775 /* 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
776 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
777 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
778 failure:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
779 Py_XDECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
780 Py_XDECREF(mydict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
781 Py_XDECREF(classname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
782 Py_XDECREF(modulename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
783 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
784 }
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
785
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
786
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
787 /* Create an exception with docstring */
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
788 PyObject *
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
789 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
790 PyObject *base, PyObject *dict)
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
791 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
792 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
793 PyObject *ret = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
794 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
795 PyObject *docobj;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
796
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
797 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
798 dict = mydict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
799 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
800 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
801 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
802 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
803
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
804 if (doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
805 docobj = PyUnicode_FromString(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
806 if (docobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
807 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
808 result = PyDict_SetItemString(dict, "__doc__", docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
809 Py_DECREF(docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
810 if (result < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
811 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
812 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
813
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
814 ret = PyErr_NewException(name, base, dict);
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
815 failure:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
816 Py_XDECREF(mydict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
817 return ret;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
818 }
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
819
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
820
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
821 /* 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
822 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
823 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
824 PyErr_WriteUnraisable(PyObject *obj)
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
825 {
72925
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents: 72893
diff changeset
826 _Py_IDENTIFIER(__module__);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
827 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
828 PyObject *moduleName = NULL;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
829 char* className;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
830
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
831 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
832
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
833 f = PySys_GetObject("stderr");
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
834 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
835 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
836
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
837 if (obj) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
838 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
839 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
840 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
841 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
842 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
843 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
844 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
845
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
846 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
847 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
848
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
849 if (!t)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
850 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
851
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
852 assert(PyExceptionClass_Check(t));
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
853 className = PyExceptionClass_Name(t);
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
854 if (className != NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
855 char *dot = strrchr(className, '.');
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
856 if (dot != NULL)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
857 className = dot+1;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
858 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
859
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
860 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
861 if (moduleName == NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
862 PyErr_Clear();
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
863 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
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 else {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
867 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
868 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
869 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
870 if (PyFile_WriteString(".", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
871 goto done;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
872 }
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
873 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
874 if (className == NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
875 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
876 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
877 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
878 else {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
879 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
880 goto done;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
881 }
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
882
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
883 if (v && v != Py_None) {
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;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
886 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
887 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
888 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
889 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
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 done:
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
893 Py_XDECREF(moduleName);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
894 Py_XDECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
895 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
896 Py_XDECREF(tb);
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
897 PyErr_Clear(); /* Just in case */
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
898 }
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
899
30781
74747f62f286 Made function declaration a proper C prototype
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
900 extern PyObject *PyModule_GetWarningsModule(void);
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
901
16850
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
902
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
903 void
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
904 PyErr_SyntaxLocation(const char *filename, int lineno) {
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
905 PyErr_SyntaxLocationEx(filename, lineno, -1);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
906 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
907
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
908
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
909 /* 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
910 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
911 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
912
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
913 void
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
914 PyErr_SyntaxLocationEx(const char *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
915 {
61467
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diff changeset
916 PyObject *exc, *v, *tb, *tmp;
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
917 _Py_IDENTIFIER(filename);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
918 _Py_IDENTIFIER(lineno);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
919 _Py_IDENTIFIER(msg);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
920 _Py_IDENTIFIER(offset);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
921 _Py_IDENTIFIER(print_file_and_line);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
922 _Py_IDENTIFIER(text);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
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diff changeset
923
61467
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diff changeset
924 /* add attributes for the line number and filename for the error */
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diff changeset
925 PyErr_Fetch(&exc, &v, &tb);
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diff changeset
926 PyErr_NormalizeException(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
927 /* 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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diff changeset
928 * be, though. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
929 tmp = PyLong_FromLong(lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
930 if (tmp == NULL)
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931 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
932 else {
72926
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diff changeset
933 if (_PyObject_SetAttrId(v, &PyId_lineno, tmp))
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diff changeset
934 PyErr_Clear();
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diff changeset
935 Py_DECREF(tmp);
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diff changeset
936 }
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
937 if (col_offset >= 0) {
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
938 tmp = PyLong_FromLong(col_offset);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
939 if (tmp == NULL)
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
940 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
941 else {
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
942 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
943 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
944 Py_DECREF(tmp);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
945 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
946 }
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diff changeset
947 if (filename != NULL) {
65482
38ad57db88ac PyErr_SyntaxLocationEx() uses PyUnicode_DecodeFSDefault(), instead of
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64859
diff changeset
948 tmp = PyUnicode_DecodeFSDefault(filename);
61467
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diff changeset
949 if (tmp == NULL)
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diff changeset
950 PyErr_Clear();
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diff changeset
951 else {
72926
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parents: 72925
diff changeset
952 if (_PyObject_SetAttrId(v, &PyId_filename, tmp))
61467
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diff changeset
953 PyErr_Clear();
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diff changeset
954 Py_DECREF(tmp);
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955 }
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956
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957 tmp = PyErr_ProgramText(filename, lineno);
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958 if (tmp) {
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959 if (_PyObject_SetAttrId(v, &PyId_text, tmp))
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960 PyErr_Clear();
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961 Py_DECREF(tmp);
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962 }
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963 }
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diff changeset
964 if (_PyObject_SetAttrId(v, &PyId_offset, Py_None)) {
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965 PyErr_Clear();
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966 }
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967 if (exc != PyExc_SyntaxError) {
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diff changeset
968 if (!_PyObject_HasAttrId(v, &PyId_msg)) {
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969 tmp = PyObject_Str(v);
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970 if (tmp) {
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diff changeset
971 if (_PyObject_SetAttrId(v, &PyId_msg, tmp))
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972 PyErr_Clear();
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973 Py_DECREF(tmp);
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diff changeset
974 } else {
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975 PyErr_Clear();
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976 }
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977 }
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parents: 72925
diff changeset
978 if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) {
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
979 if (_PyObject_SetAttrId(v, &PyId_print_file_and_line,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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diff changeset
980 Py_None))
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diff changeset
981 PyErr_Clear();
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diff changeset
982 }
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diff changeset
983 }
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diff changeset
984 PyErr_Restore(exc, v, tb);
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985 }
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diff changeset
986
43524
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Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
987 /* 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
988 fails, it will return NULL but will not set an exception.
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diff changeset
989
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diff changeset
990 XXX The functionality of this function is quite similar to the
43524
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991 functionality in tb_displayline() in traceback.c. */
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diff changeset
992
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diff changeset
993 PyObject *
26601
cc05c2c8660e Constify filenames and scripts. Fixes #651362.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
994 PyErr_ProgramText(const char *filename, int lineno)
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995 {
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996 FILE *fp;
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997 int i;
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998 char linebuf[1000];
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999
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1000 if (filename == NULL || *filename == '\0' || lineno <= 0)
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1001 return NULL;
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1002 fp = fopen(filename, "r" PY_STDIOTEXTMODE);
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diff changeset
1003 if (fp == NULL)
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1004 return NULL;
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1005 for (i = 0; i < lineno; i++) {
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diff changeset
1006 char *pLastChar = &linebuf[sizeof(linebuf) - 2];
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1007 do {
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1008 *pLastChar = '\0';
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diff changeset
1009 if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
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1010 fp, NULL) == NULL)
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diff changeset
1011 break;
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1012 /* fgets read *something*; if it didn't get as
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1013 far as pLastChar, it must have found a newline
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1014 or hit the end of the file; if pLastChar is \n,
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diff changeset
1015 it obviously found a newline; else we haven't
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1016 yet seen a newline, so must continue */
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1017 } while (*pLastChar != '\0' && *pLastChar != '\n');
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1018 }
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1019 fclose(fp);
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1020 if (i == lineno) {
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1021 char *p = linebuf;
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1022 PyObject *res;
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1023 while (*p == ' ' || *p == '\t' || *p == '\014')
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1024 p++;
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1025 res = PyUnicode_FromString(p);
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1026 if (res == NULL)
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1027 PyErr_Clear();
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1028 return res;
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1029 }
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1030 return NULL;
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1031 }
37879
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1032
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1033 #ifdef __cplusplus
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1034 }
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1035 #endif