annotate Python/errors.c @ 87590:835007ccf2b0

Issue #19793: Improved markup for True/False constants in pathlib documentation.
author Serhiy Storchaka <storchaka@gmail.com>
date Tue, 26 Nov 2013 21:37:12 +0200
parents 01c4a0af73cf
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Error handling */
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3
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4 #include "Python.h"
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5
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6 #ifndef __STDC__
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7 #ifndef MS_WINDOWS
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8 extern char *strerror(int);
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9 #endif
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10 #endif
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11
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12 #ifdef MS_WINDOWS
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13 #include <windows.h>
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14 #include <winbase.h>
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15 #endif
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16
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17 #include <ctype.h>
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18
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19 #ifdef __cplusplus
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20 extern "C" {
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21 #endif
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22
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23 _Py_IDENTIFIER(builtins);
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24 _Py_IDENTIFIER(stderr);
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27 void
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28 PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
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29 {
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30 PyThreadState *tstate = PyThreadState_GET();
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31 PyObject *oldtype, *oldvalue, *oldtraceback;
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32
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33 if (traceback != NULL && !PyTraceBack_Check(traceback)) {
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34 /* XXX Should never happen -- fatal error instead? */
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35 /* Well, it could be None. */
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36 Py_DECREF(traceback);
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37 traceback = NULL;
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38 }
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39
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40 /* Save these in locals to safeguard against recursive
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41 invocation through Py_XDECREF */
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42 oldtype = tstate->curexc_type;
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43 oldvalue = tstate->curexc_value;
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44 oldtraceback = tstate->curexc_traceback;
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46 tstate->curexc_type = type;
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47 tstate->curexc_value = value;
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48 tstate->curexc_traceback = traceback;
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49
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50 Py_XDECREF(oldtype);
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51 Py_XDECREF(oldvalue);
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52 Py_XDECREF(oldtraceback);
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53 }
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54
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55 void
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56 PyErr_SetObject(PyObject *exception, PyObject *value)
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57 {
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58 PyThreadState *tstate = PyThreadState_GET();
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59 PyObject *exc_value;
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60 PyObject *tb = NULL;
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61
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62 if (exception != NULL &&
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63 !PyExceptionClass_Check(exception)) {
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64 PyErr_Format(PyExc_SystemError,
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65 "exception %R not a BaseException subclass",
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66 exception);
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67 return;
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68 }
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69 Py_XINCREF(value);
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70 exc_value = tstate->exc_value;
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71 if (exc_value != NULL && exc_value != Py_None) {
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72 /* Implicit exception chaining */
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73 Py_INCREF(exc_value);
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74 if (value == NULL || !PyExceptionInstance_Check(value)) {
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75 /* We must normalize the value right now */
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76 PyObject *args, *fixed_value;
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77 #ifdef Py_DEBUG
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78 /* in debug mode, PyEval_EvalFrameEx() fails with an assertion
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79 error if an exception is set when it is called */
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80 PyErr_Clear();
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81 #endif
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82 if (value == NULL || value == Py_None)
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83 args = PyTuple_New(0);
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84 else if (PyTuple_Check(value)) {
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85 Py_INCREF(value);
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86 args = value;
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87 }
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88 else
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89 args = PyTuple_Pack(1, value);
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90 fixed_value = args ?
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91 PyEval_CallObject(exception, args) : NULL;
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92 Py_XDECREF(args);
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93 Py_XDECREF(value);
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94 if (fixed_value == NULL)
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95 return;
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96 value = fixed_value;
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97 }
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98 /* Avoid reference cycles through the context chain.
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99 This is O(chain length) but context chains are
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100 usually very short. Sensitive readers may try
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101 to inline the call to PyException_GetContext. */
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102 if (exc_value != value) {
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103 PyObject *o = exc_value, *context;
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104 while ((context = PyException_GetContext(o))) {
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105 Py_DECREF(context);
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106 if (context == value) {
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107 PyException_SetContext(o, NULL);
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108 break;
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109 }
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110 o = context;
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111 }
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112 PyException_SetContext(value, exc_value);
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113 } else {
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114 Py_DECREF(exc_value);
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115 }
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116 }
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117 if (value != NULL && PyExceptionInstance_Check(value))
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118 tb = PyException_GetTraceback(value);
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119 Py_XINCREF(exception);
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120 PyErr_Restore(exception, value, tb);
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121 }
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122
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123 /* Set a key error with the specified argument, wrapping it in a
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124 * tuple automatically so that tuple keys are not unpacked as the
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125 * exception arguments. */
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126 void
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127 _PyErr_SetKeyError(PyObject *arg)
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128 {
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129 PyObject *tup;
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130 tup = PyTuple_Pack(1, arg);
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131 if (!tup)
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132 return; /* caller will expect error to be set anyway */
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133 PyErr_SetObject(PyExc_KeyError, tup);
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134 Py_DECREF(tup);
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135 }
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136
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137 void
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138 PyErr_SetNone(PyObject *exception)
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139 {
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140 PyErr_SetObject(exception, (PyObject *)NULL);
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141 }
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142
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143 void
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144 PyErr_SetString(PyObject *exception, const char *string)
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145 {
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146 PyObject *value = PyUnicode_FromString(string);
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147 PyErr_SetObject(exception, value);
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148 Py_XDECREF(value);
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149 }
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150
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151
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152 PyObject *
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153 PyErr_Occurred(void)
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154 {
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155 /* If there is no thread state, PyThreadState_GET calls
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156 Py_FatalError, which calls PyErr_Occurred. To avoid the
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157 resulting infinite loop, we inline PyThreadState_GET here and
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158 treat no thread as no error. */
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159 PyThreadState *tstate =
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160 ((PyThreadState*)_Py_atomic_load_relaxed(&_PyThreadState_Current));
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161
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162 return tstate == NULL ? NULL : tstate->curexc_type;
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163 }
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164
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165
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166 int
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167 PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc)
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168 {
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169 if (err == NULL || exc == NULL) {
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170 /* maybe caused by "import exceptions" that failed early on */
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171 return 0;
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172 }
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173 if (PyTuple_Check(exc)) {
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174 Py_ssize_t i, n;
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175 n = PyTuple_Size(exc);
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176 for (i = 0; i < n; i++) {
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177 /* Test recursively */
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178 if (PyErr_GivenExceptionMatches(
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179 err, PyTuple_GET_ITEM(exc, i)))
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180 {
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181 return 1;
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182 }
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183 }
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184 return 0;
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185 }
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186 /* err might be an instance, so check its class. */
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187 if (PyExceptionInstance_Check(err))
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188 err = PyExceptionInstance_Class(err);
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189
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190 if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
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191 int res = 0;
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192 PyObject *exception, *value, *tb;
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193 PyErr_Fetch(&exception, &value, &tb);
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194 /* PyObject_IsSubclass() can recurse and therefore is
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195 not safe (see test_bad_getattr in test.pickletester). */
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196 res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
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197 /* This function must not fail, so print the error here */
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198 if (res == -1) {
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199 PyErr_WriteUnraisable(err);
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200 res = 0;
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201 }
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202 PyErr_Restore(exception, value, tb);
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203 return res;
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204 }
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205
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206 return err == exc;
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207 }
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208
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209
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210 int
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211 PyErr_ExceptionMatches(PyObject *exc)
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212 {
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213 return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
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214 }
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215
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216
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217 /* Used in many places to normalize a raised exception, including in
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218 eval_code2(), do_raise(), and PyErr_Print()
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219
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220 XXX: should PyErr_NormalizeException() also call
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221 PyException_SetTraceback() with the resulting value and tb?
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222 */
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223 void
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224 PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb)
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225 {
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226 PyObject *type = *exc;
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227 PyObject *value = *val;
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228 PyObject *inclass = NULL;
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229 PyObject *initial_tb = NULL;
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230 PyThreadState *tstate = NULL;
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231
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232 if (type == NULL) {
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233 /* There was no exception, so nothing to do. */
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234 return;
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235 }
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236
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237 /* If PyErr_SetNone() was used, the value will have been actually
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238 set to NULL.
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239 */
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240 if (!value) {
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241 value = Py_None;
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242 Py_INCREF(value);
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243 }
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244
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245 if (PyExceptionInstance_Check(value))
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246 inclass = PyExceptionInstance_Class(value);
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247
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248 /* Normalize the exception so that if the type is a class, the
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249 value will be an instance.
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250 */
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251 if (PyExceptionClass_Check(type)) {
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252 int is_subclass;
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253 if (inclass) {
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254 is_subclass = PyObject_IsSubclass(inclass, type);
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255 if (is_subclass < 0)
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256 goto finally;
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257 }
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258 else
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259 is_subclass = 0;
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260
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261 /* if the value was not an instance, or is not an instance
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262 whose class is (or is derived from) type, then use the
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263 value as an argument to instantiation of the type
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264 class.
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265 */
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266 if (!inclass || !is_subclass) {
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267 PyObject *args, *res;
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268
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269 if (value == Py_None)
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270 args = PyTuple_New(0);
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271 else if (PyTuple_Check(value)) {
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272 Py_INCREF(value);
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273 args = value;
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274 }
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275 else
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276 args = PyTuple_Pack(1, value);
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277
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278 if (args == NULL)
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279 goto finally;
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280 res = PyEval_CallObject(type, args);
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281 Py_DECREF(args);
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282 if (res == NULL)
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283 goto finally;
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284 Py_DECREF(value);
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285 value = res;
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286 }
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287 /* if the class of the instance doesn't exactly match the
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288 class of the type, believe the instance
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289 */
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290 else if (inclass != type) {
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291 Py_DECREF(type);
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292 type = inclass;
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293 Py_INCREF(type);
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294 }
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295 }
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296 *exc = type;
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297 *val = value;
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298 return;
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299 finally:
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300 Py_DECREF(type);
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301 Py_DECREF(value);
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302 /* If the new exception doesn't set a traceback and the old
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303 exception had a traceback, use the old traceback for the
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304 new exception. It's better than nothing.
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305 */
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306 initial_tb = *tb;
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307 PyErr_Fetch(exc, val, tb);
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308 if (initial_tb != NULL) {
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309 if (*tb == NULL)
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310 *tb = initial_tb;
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311 else
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312 Py_DECREF(initial_tb);
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313 }
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314 /* normalize recursively */
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315 tstate = PyThreadState_GET();
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316 if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
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317 --tstate->recursion_depth;
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318 /* throw away the old exception... */
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319 Py_DECREF(*exc);
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320 Py_DECREF(*val);
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321 /* ... and use the recursion error instead */
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322 *exc = PyExc_RuntimeError;
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323 *val = PyExc_RecursionErrorInst;
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324 Py_INCREF(*exc);
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325 Py_INCREF(*val);
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326 /* just keeping the old traceback */
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327 return;
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328 }
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329 PyErr_NormalizeException(exc, val, tb);
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330 --tstate->recursion_depth;
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331 }
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332
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333
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334 void
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335 PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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336 {
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337 PyThreadState *tstate = PyThreadState_GET();
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338
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339 *p_type = tstate->curexc_type;
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340 *p_value = tstate->curexc_value;
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341 *p_traceback = tstate->curexc_traceback;
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342
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343 tstate->curexc_type = NULL;
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344 tstate->curexc_value = NULL;
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345 tstate->curexc_traceback = NULL;
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346 }
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347
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348 void
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349 PyErr_Clear(void)
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350 {
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351 PyErr_Restore(NULL, NULL, NULL);
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352 }
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353
76418
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354 void
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355 PyErr_GetExcInfo(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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356 {
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357 PyThreadState *tstate = PyThreadState_GET();
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358
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359 *p_type = tstate->exc_type;
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360 *p_value = tstate->exc_value;
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361 *p_traceback = tstate->exc_traceback;
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362
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363 Py_XINCREF(*p_type);
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364 Py_XINCREF(*p_value);
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365 Py_XINCREF(*p_traceback);
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366 }
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367
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368 void
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369 PyErr_SetExcInfo(PyObject *p_type, PyObject *p_value, PyObject *p_traceback)
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370 {
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371 PyObject *oldtype, *oldvalue, *oldtraceback;
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372 PyThreadState *tstate = PyThreadState_GET();
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373
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374 oldtype = tstate->exc_type;
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375 oldvalue = tstate->exc_value;
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376 oldtraceback = tstate->exc_traceback;
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377
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378 tstate->exc_type = p_type;
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379 tstate->exc_value = p_value;
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380 tstate->exc_traceback = p_traceback;
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381
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382 Py_XDECREF(oldtype);
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383 Py_XDECREF(oldvalue);
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384 Py_XDECREF(oldtraceback);
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385 }
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diff changeset
386
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387 /* Convenience functions to set a type error exception and return 0 */
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388
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389 int
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390 PyErr_BadArgument(void)
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391 {
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392 PyErr_SetString(PyExc_TypeError,
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393 "bad argument type for built-in operation");
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394 return 0;
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395 }
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396
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diff changeset
397 PyObject *
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398 PyErr_NoMemory(void)
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diff changeset
399 {
84794
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Victor Stinner <victor.stinner@gmail.com>
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diff changeset
400 if (Py_TYPE(PyExc_MemoryError) == NULL) {
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401 /* PyErr_NoMemory() has been called before PyExc_MemoryError has been
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402 initialized by _PyExc_Init() */
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403 Py_FatalError("Out of memory and PyExc_MemoryError is not "
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404 "initialized yet");
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405 }
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406 PyErr_SetNone(PyExc_MemoryError);
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407 return NULL;
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408 }
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409
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410 PyObject *
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411 PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
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412 {
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413 PyObject *message;
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414 PyObject *v, *args;
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415 int i = errno;
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416 #ifdef MS_WINDOWS
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417 WCHAR *s_buf = NULL;
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418 #endif /* Unix/Windows */
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419
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420 #ifdef EINTR
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421 if (i == EINTR && PyErr_CheckSignals())
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422 return NULL;
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423 #endif
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424
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425 #ifndef MS_WINDOWS
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426 if (i != 0) {
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427 char *s = strerror(i);
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428 message = PyUnicode_DecodeLocale(s, "surrogateescape");
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429 }
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430 else {
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431 /* Sometimes errno didn't get set */
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432 message = PyUnicode_FromString("Error");
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433 }
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434 #else
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435 if (i == 0)
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436 message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
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437 else
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438 {
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439 /* Note that the Win32 errors do not lineup with the
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440 errno error. So if the error is in the MSVC error
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441 table, we use it, otherwise we assume it really _is_
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442 a Win32 error code
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443 */
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444 if (i > 0 && i < _sys_nerr) {
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445 message = PyUnicode_FromString(_sys_errlist[i]);
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446 }
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447 else {
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448 int len = FormatMessageW(
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449 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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450 FORMAT_MESSAGE_FROM_SYSTEM |
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451 FORMAT_MESSAGE_IGNORE_INSERTS,
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452 NULL, /* no message source */
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453 i,
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454 MAKELANGID(LANG_NEUTRAL,
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455 SUBLANG_DEFAULT),
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456 /* Default language */
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457 (LPWSTR) &s_buf,
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458 0, /* size not used */
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459 NULL); /* no args */
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460 if (len==0) {
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461 /* Only ever seen this in out-of-mem
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462 situations */
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463 s_buf = NULL;
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464 message = PyUnicode_FromFormat("Windows Error 0x%X", i);
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465 } else {
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466 /* remove trailing cr/lf and dots */
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467 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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468 s_buf[--len] = L'\0';
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469 message = PyUnicode_FromWideChar(s_buf, len);
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470 }
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471 }
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472 }
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473 #endif /* Unix/Windows */
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474
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475 if (message == NULL)
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476 {
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477 #ifdef MS_WINDOWS
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478 LocalFree(s_buf);
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479 #endif
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480 return NULL;
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481 }
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482
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483 if (filenameObject != NULL)
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484 args = Py_BuildValue("(iOO)", i, message, filenameObject);
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485 else
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486 args = Py_BuildValue("(iO)", i, message);
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487 Py_DECREF(message);
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488
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489 if (args != NULL) {
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490 v = PyObject_Call(exc, args, NULL);
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491 Py_DECREF(args);
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492 if (v != NULL) {
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493 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
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494 Py_DECREF(v);
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495 }
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496 }
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497 #ifdef MS_WINDOWS
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498 LocalFree(s_buf);
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499 #endif
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500 return NULL;
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501 }
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502
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503
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504 PyObject *
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505 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
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506 {
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507 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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508 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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509 Py_XDECREF(name);
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510 return result;
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511 }
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512
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513 #ifdef MS_WINDOWS
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514 PyObject *
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515 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
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516 {
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517 PyObject *name = filename ?
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518 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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519 NULL;
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520 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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521 Py_XDECREF(name);
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522 return result;
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523 }
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524 #endif /* MS_WINDOWS */
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525
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526 PyObject *
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527 PyErr_SetFromErrno(PyObject *exc)
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528 {
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529 return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
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Barry Warsaw <barry@python.org>
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530 }
22
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Guido van Rossum <guido@python.org>
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531
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532 #ifdef MS_WINDOWS
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533 /* Windows specific error code handling */
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534 PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
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535 PyObject *exc,
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536 int ierr,
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537 PyObject *filenameObject)
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538 {
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539 int len;
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540 WCHAR *s_buf = NULL; /* Free via LocalFree */
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541 PyObject *message;
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542 PyObject *args, *v;
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543 DWORD err = (DWORD)ierr;
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544 if (err==0) err = GetLastError();
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545 len = FormatMessageW(
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546 /* Error API error */
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547 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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548 FORMAT_MESSAGE_FROM_SYSTEM |
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549 FORMAT_MESSAGE_IGNORE_INSERTS,
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550 NULL, /* no message source */
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551 err,
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552 MAKELANGID(LANG_NEUTRAL,
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553 SUBLANG_DEFAULT), /* Default language */
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554 (LPWSTR) &s_buf,
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555 0, /* size not used */
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556 NULL); /* no args */
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557 if (len==0) {
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558 /* Only seen this in out of mem situations */
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559 message = PyUnicode_FromFormat("Windows Error 0x%X", err);
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560 s_buf = NULL;
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561 } else {
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562 /* remove trailing cr/lf and dots */
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563 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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564 s_buf[--len] = L'\0';
72475
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565 message = PyUnicode_FromWideChar(s_buf, len);
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566 }
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567
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568 if (message == NULL)
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569 {
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570 LocalFree(s_buf);
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571 return NULL;
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572 }
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573
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574 if (filenameObject == NULL)
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575 filenameObject = Py_None;
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576 /* This is the constructor signature for passing a Windows error code.
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
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577 The POSIX translation will be figured out by the constructor. */
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578 args = Py_BuildValue("(iOOi)", 0, message, filenameObject, err);
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579 Py_DECREF(message);
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580
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581 if (args != NULL) {
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582 v = PyObject_Call(exc, args, NULL);
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583 Py_DECREF(args);
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584 if (v != NULL) {
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585 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
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586 Py_DECREF(v);
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587 }
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588 }
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589 LocalFree(s_buf);
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590 return NULL;
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591 }
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592
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593 PyObject *PyErr_SetExcFromWindowsErrWithFilename(
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594 PyObject *exc,
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595 int ierr,
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596 const char *filename)
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597 {
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598 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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599 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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600 ierr,
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601 name);
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602 Py_XDECREF(name);
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603 return ret;
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604 }
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605
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606 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
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607 PyObject *exc,
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608 int ierr,
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609 const Py_UNICODE *filename)
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610 {
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611 PyObject *name = filename ?
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612 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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613 NULL;
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614 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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615 ierr,
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616 name);
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617 Py_XDECREF(name);
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618 return ret;
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619 }
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620
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621 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
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622 {
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623 return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
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624 }
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625
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626 PyObject *PyErr_SetFromWindowsErr(int ierr)
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627 {
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628 return PyErr_SetExcFromWindowsErrWithFilename(PyExc_OSError,
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629 ierr, NULL);
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630 }
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631 PyObject *PyErr_SetFromWindowsErrWithFilename(
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632 int ierr,
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633 const char *filename)
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634 {
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635 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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636 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
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637 PyExc_OSError,
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638 ierr, name);
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639 Py_XDECREF(name);
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640 return result;
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641 }
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642
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643 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
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644 int ierr,
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645 const Py_UNICODE *filename)
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646 {
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647 PyObject *name = filename ?
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648 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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649 NULL;
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650 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
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651 PyExc_OSError,
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652 ierr, name);
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653 Py_XDECREF(name);
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654 return result;
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655 }
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656 #endif /* MS_WINDOWS */
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657
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658 PyObject *
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parents: 84109
diff changeset
659 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
660 {
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
661 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
662
84444
e3ec8b176a80 Issue #15767: Revert 3a50025f1900 for ModuleNotFoundError
Brett Cannon <brett@python.org>
parents: 84109
diff changeset
663 if (msg == NULL)
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
664 return NULL;
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
665
76391
cb6811eb20ef Fix it for good :-)
Antoine Pitrou <solipsis@pitrou.net>
parents: 76389
diff changeset
666 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
667 if (args == NULL)
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
668 return NULL;
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
669
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
670 kwargs = PyDict_New();
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
671 if (kwargs == NULL) {
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
672 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
673 return NULL;
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
674 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
675
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
676 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
677 name = Py_None;
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
678 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
679
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
680 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
681 path = Py_None;
76388
bf23a6c215f6 Fix email post-commit review comments.
Brian Curtin <brian@python.org>
parents: 76379
diff changeset
682 }
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
683
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
684 Py_INCREF(msg);
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
685 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
686
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
687 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
688 return NULL;
573f7d485ce8 Issue #18408: Fix PyErr_SetImportError(), handle PyDict_SetItemString() failure
Victor Stinner <victor.stinner@gmail.com>
parents: 84680
diff changeset
689 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
690 return NULL;
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
691
84444
e3ec8b176a80 Issue #15767: Revert 3a50025f1900 for ModuleNotFoundError
Brett Cannon <brett@python.org>
parents: 84109
diff changeset
692 error = PyObject_Call(PyExc_ImportError, args, kwargs);
76389
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
693 if (error != NULL) {
e8c87226bcb3 fix refcnt/style/debuging oversights
Benjamin Peterson <benjamin@python.org>
parents: 76388
diff changeset
694 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
695 Py_DECREF(error);
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
696 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
697
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
698 Py_DECREF(args);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
699 Py_DECREF(kwargs);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
700
76379
7a32b9380ffd Fix #14600. Correct reference handling and naming of ImportError convenience function
Brian Curtin <brian@python.org>
parents: 76272
diff changeset
701 return NULL;
76272
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
702 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
703
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
704 void
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
705 _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
706 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
707 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
708 "%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
709 filename, lineno);
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
710 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
711
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
712 /* 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
713 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
714 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
715 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13578
diff changeset
716 PyErr_BadInternalCall(void)
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
717 {
84574
2f7c4df5cc46 Issue #18408: errors.c: in debug mode, calling PyErr_BadInternalCall() now
Victor Stinner <victor.stinner@gmail.com>
parents: 84444
diff changeset
718 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
719 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
720 "bad argument to internal function");
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
721 }
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
722 #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
723
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
724
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
725
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
726 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
727 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
728 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
729 va_list vargs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
730 PyObject* string;
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
731
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
732 #ifdef HAVE_STDARG_PROTOTYPES
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
733 va_start(vargs, format);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
734 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
735 va_start(vargs);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
736 #endif
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
737
84704
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
738 #ifdef Py_DEBUG
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
739 /* 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
740 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
741 PyErr_Clear();
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
742 #endif
48a869a39e2d Issue #18408: PyEval_EvalFrameEx() and PyEval_CallObjectWithKeywords() now fail
Victor Stinner <victor.stinner@gmail.com>
parents: 84694
diff changeset
743
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
744 string = PyUnicode_FromFormatV(format, vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
745 PyErr_SetObject(exception, string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
746 Py_XDECREF(string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
747 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
748 return NULL;
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
749 }
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
750
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
751
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
752
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
753 PyObject *
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
754 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
755 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
756 const char *dot;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
757 PyObject *modulename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
758 PyObject *classname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
759 PyObject *mydict = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
760 PyObject *bases = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
761 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
762 dot = strrchr(name, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
763 if (dot == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
764 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
765 "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
766 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
767 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
768 if (base == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
769 base = PyExc_Exception;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
770 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
771 dict = mydict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
772 if (dict == 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 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
775 if (PyDict_GetItemString(dict, "__module__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
776 modulename = PyUnicode_FromStringAndSize(name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
777 (Py_ssize_t)(dot-name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
778 if (modulename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
779 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
780 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
781 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
782 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
783 if (PyTuple_Check(base)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
784 bases = base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
785 /* 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
786 Py_INCREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
787 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
788 bases = PyTuple_Pack(1, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
789 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
790 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
791 }
73949
021e5bb297d1 Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 72965
diff changeset
792 /* 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
793 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
794 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
795 failure:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
796 Py_XDECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
797 Py_XDECREF(mydict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
798 Py_XDECREF(classname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
799 Py_XDECREF(modulename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
800 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
801 }
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
802
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
803
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
804 /* Create an exception with docstring */
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
805 PyObject *
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
806 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
807 PyObject *base, PyObject *dict)
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
808 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
809 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
810 PyObject *ret = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
811 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
812 PyObject *docobj;
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 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
815 dict = mydict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
816 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
817 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
818 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
819 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
820
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
821 if (doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
822 docobj = PyUnicode_FromString(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
823 if (docobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
824 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
825 result = PyDict_SetItemString(dict, "__doc__", docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
826 Py_DECREF(docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
827 if (result < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
828 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
829 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
830
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
831 ret = PyErr_NewException(name, base, dict);
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
832 failure:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
833 Py_XDECREF(mydict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
834 return ret;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
835 }
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
836
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
837
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
838 /* 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
839 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
840 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
841 PyErr_WriteUnraisable(PyObject *obj)
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
842 {
72925
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents: 72893
diff changeset
843 _Py_IDENTIFIER(__module__);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
844 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
845 PyObject *moduleName = NULL;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
846 char* className;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
847
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
848 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
849
86999
01c4a0af73cf Issue #19512, #19515: remove shared identifiers, move identifiers where they
Victor Stinner <victor.stinner@gmail.com>
parents: 86980
diff changeset
850 f = _PySys_GetObjectId(&PyId_stderr);
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
851 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
852 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
853
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
854 if (obj) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
855 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
856 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
857 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
858 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
859 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
860 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
861 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
862
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
863 if (PyTraceBack_Print(tb, 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 if (!t)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
867 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
868
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
869 assert(PyExceptionClass_Check(t));
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
870 className = PyExceptionClass_Name(t);
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
871 if (className != NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
872 char *dot = strrchr(className, '.');
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
873 if (dot != NULL)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
874 className = dot+1;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
875 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
876
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
877 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
878 if (moduleName == NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
879 PyErr_Clear();
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
880 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
881 goto done;
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 else {
86999
01c4a0af73cf Issue #19512, #19515: remove shared identifiers, move identifiers where they
Victor Stinner <victor.stinner@gmail.com>
parents: 86980
diff changeset
884 if (_PyUnicode_CompareWithId(moduleName, &PyId_builtins) != 0) {
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
885 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
886 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
887 if (PyFile_WriteString(".", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
888 goto done;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
889 }
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
890 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
891 if (className == NULL) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
892 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
893 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
894 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
895 else {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
896 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
897 goto done;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
898 }
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
899
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
900 if (v && v != Py_None) {
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
901 if (PyFile_WriteString(": ", f) < 0)
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
902 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
903 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
904 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
905 }
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
906 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
907 goto done;
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
908
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
909 done:
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
910 Py_XDECREF(moduleName);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
911 Py_XDECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
912 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
913 Py_XDECREF(tb);
85415
e63f19d0a651 Issue #18664, #18408: Rewrite PyErr_WriteUnraisable() to handle errors
Victor Stinner <vstinner@wyplay.com>
parents: 84794
diff changeset
914 PyErr_Clear(); /* Just in case */
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
915 }
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
916
30781
74747f62f286 Made function declaration a proper C prototype
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
917 extern PyObject *PyModule_GetWarningsModule(void);
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
918
16850
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
919
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
920 void
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
921 PyErr_SyntaxLocation(const char *filename, int lineno)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
922 {
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
923 PyErr_SyntaxLocationEx(filename, lineno, -1);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
924 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
925
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
926
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
927 /* 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
928 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
929 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
930
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
931 void
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
932 PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
933 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
934 PyObject *exc, *v, *tb, *tmp;
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
935 _Py_IDENTIFIER(filename);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
936 _Py_IDENTIFIER(lineno);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
937 _Py_IDENTIFIER(msg);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
938 _Py_IDENTIFIER(offset);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
939 _Py_IDENTIFIER(print_file_and_line);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
940 _Py_IDENTIFIER(text);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
941
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
942 /* add attributes for the line number and filename for the error */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
943 PyErr_Fetch(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
944 PyErr_NormalizeException(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
945 /* XXX check that it is, indeed, a syntax error. It might not
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
946 * be, though. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
947 tmp = PyLong_FromLong(lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
948 if (tmp == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
949 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
950 else {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
951 if (_PyObject_SetAttrId(v, &PyId_lineno, tmp))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
952 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
953 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
954 }
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
955 if (col_offset >= 0) {
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
956 tmp = PyLong_FromLong(col_offset);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
957 if (tmp == NULL)
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
958 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
959 else {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
960 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
961 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
962 Py_DECREF(tmp);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
963 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
964 }
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
965 if (filename != NULL) {
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
966 if (_PyObject_SetAttrId(v, &PyId_filename, filename))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
967 PyErr_Clear();
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
968
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
969 tmp = PyErr_ProgramTextObject(filename, lineno);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
970 if (tmp) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
971 if (_PyObject_SetAttrId(v, &PyId_text, tmp))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
972 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
973 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
974 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
975 }
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
976 if (_PyObject_SetAttrId(v, &PyId_offset, Py_None)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
977 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
978 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
979 if (exc != PyExc_SyntaxError) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
980 if (!_PyObject_HasAttrId(v, &PyId_msg)) {
61467
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parents: 54129
diff changeset
981 tmp = PyObject_Str(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
982 if (tmp) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
983 if (_PyObject_SetAttrId(v, &PyId_msg, tmp))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
984 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
985 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
986 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
987 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
988 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
989 }
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
990 if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) {
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
991 if (_PyObject_SetAttrId(v, &PyId_print_file_and_line,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
992 Py_None))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
993 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
994 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
995 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
996 PyErr_Restore(exc, v, tb);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
997 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
998
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
999 void
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1000 PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1001 {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1002 PyObject *fileobj;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1003 if (filename != NULL) {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1004 fileobj = PyUnicode_DecodeFSDefault(filename);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1005 if (fileobj == NULL)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1006 PyErr_Clear();
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1007 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1008 else
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1009 fileobj = NULL;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1010 PyErr_SyntaxLocationObject(fileobj, lineno, col_offset);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1011 Py_XDECREF(fileobj);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1012 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 85415
diff changeset
1013
43524
2f30bfb7c738 Minor cleanup of the comment for PyErr_ProgramText() and a tweak to the code
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
1014 /* 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
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
1015 fails, it will return NULL but will not set an exception.
16838
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diff changeset
1016
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
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parents: 15591
diff changeset
1017 XXX The functionality of this function is quite similar to the
43524
2f30bfb7c738 Minor cleanup of the comment for PyErr_ProgramText() and a tweak to the code
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
1018 functionality in tb_displayline() in traceback.c. */
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diff changeset
1019
86257
eeec58c57964 Don't export internal symbols ("make smelly")
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1020 static PyObject *
85417
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Victor Stinner <victor.stinner@gmail.com>
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diff changeset
1021 err_programtext(FILE *fp, int lineno)
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diff changeset
1022 {
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diff changeset
1023 int i;
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1024 char linebuf[1000];
16838
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1025
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diff changeset
1026 if (fp == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1027 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1028 for (i = 0; i < lineno; i++) {
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diff changeset
1029 char *pLastChar = &linebuf[sizeof(linebuf) - 2];
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diff changeset
1030 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1031 *pLastChar = '\0';
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diff changeset
1032 if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
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diff changeset
1033 fp, NULL) == NULL)
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diff changeset
1034 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1035 /* fgets read *something*; if it didn't get as
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diff changeset
1036 far as pLastChar, it must have found a newline
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diff changeset
1037 or hit the end of the file; if pLastChar is \n,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1038 it obviously found a newline; else we haven't
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1039 yet seen a newline, so must continue */
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diff changeset
1040 } while (*pLastChar != '\0' && *pLastChar != '\n');
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diff changeset
1041 }
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diff changeset
1042 fclose(fp);
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1043 if (i == lineno) {
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1044 char *p = linebuf;
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1045 PyObject *res;
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1046 while (*p == ' ' || *p == '\t' || *p == '\014')
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1047 p++;
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1048 res = PyUnicode_FromString(p);
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1049 if (res == NULL)
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1050 PyErr_Clear();
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1051 return res;
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1052 }
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1053 return NULL;
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1054 }
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1055
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1056 PyObject *
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1057 PyErr_ProgramText(const char *filename, int lineno)
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1058 {
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1059 FILE *fp;
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1060 if (filename == NULL || *filename == '\0' || lineno <= 0)
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1061 return NULL;
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1062 fp = _Py_fopen(filename, "r" PY_STDIOTEXTMODE);
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1063 return err_programtext(fp, lineno);
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1064 }
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1065
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1066 PyObject *
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1067 PyErr_ProgramTextObject(PyObject *filename, int lineno)
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1068 {
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Victor Stinner <victor.stinner@gmail.com>
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1069 FILE *fp;
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1070 if (filename == NULL || lineno <= 0)
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1071 return NULL;
85420
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parents: 85417
diff changeset
1072 fp = _Py_fopen_obj(filename, "r" PY_STDIOTEXTMODE);
85417
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parents: 85415
diff changeset
1073 return err_programtext(fp, lineno);
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parents: 85415
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1074 }
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1075
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1076 #ifdef __cplusplus
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1077 }
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1078 #endif