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annotate Python/errors.c @ 76272:6825fd9b00ed

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Issue #1559549: Add 'name' and 'path' attributes to ImportError. Currently import does not use these attributes as they are planned for use by importlib (which will be another commit). Thanks to Filip Gruszczyński for the initial patch and Brian Curtin for refining it.
author Brett Cannon <brett@python.org>
date Thu, 12 Apr 2012 20:24:54 -0400
parents 07802351ccad
children 7a32b9380ffd
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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24 void
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25 PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
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26 {
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27 PyThreadState *tstate = PyThreadState_GET();
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28 PyObject *oldtype, *oldvalue, *oldtraceback;
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29
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30 if (traceback != NULL && !PyTraceBack_Check(traceback)) {
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31 /* XXX Should never happen -- fatal error instead? */
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32 /* Well, it could be None. */
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33 Py_DECREF(traceback);
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34 traceback = NULL;
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35 }
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36
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37 /* Save these in locals to safeguard against recursive
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38 invocation through Py_XDECREF */
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39 oldtype = tstate->curexc_type;
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40 oldvalue = tstate->curexc_value;
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41 oldtraceback = tstate->curexc_traceback;
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43 tstate->curexc_type = type;
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44 tstate->curexc_value = value;
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45 tstate->curexc_traceback = traceback;
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46
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47 Py_XDECREF(oldtype);
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48 Py_XDECREF(oldvalue);
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49 Py_XDECREF(oldtraceback);
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50 }
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52 void
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53 PyErr_SetObject(PyObject *exception, PyObject *value)
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54 {
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55 PyThreadState *tstate = PyThreadState_GET();
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56 PyObject *exc_value;
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57 PyObject *tb = NULL;
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58
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59 if (exception != NULL &&
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60 !PyExceptionClass_Check(exception)) {
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61 PyErr_Format(PyExc_SystemError,
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62 "exception %R not a BaseException subclass",
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63 exception);
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64 return;
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65 }
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66 Py_XINCREF(value);
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67 exc_value = tstate->exc_value;
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68 if (exc_value != NULL && exc_value != Py_None) {
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69 /* Implicit exception chaining */
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70 Py_INCREF(exc_value);
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71 if (value == NULL || !PyExceptionInstance_Check(value)) {
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72 /* We must normalize the value right now */
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73 PyObject *args, *fixed_value;
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74 if (value == NULL || value == Py_None)
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75 args = PyTuple_New(0);
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76 else if (PyTuple_Check(value)) {
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77 Py_INCREF(value);
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78 args = value;
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79 }
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80 else
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81 args = PyTuple_Pack(1, value);
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82 fixed_value = args ?
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83 PyEval_CallObject(exception, args) : NULL;
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84 Py_XDECREF(args);
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85 Py_XDECREF(value);
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86 if (fixed_value == NULL)
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87 return;
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88 value = fixed_value;
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89 }
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90 /* Avoid reference cycles through the context chain.
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91 This is O(chain length) but context chains are
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92 usually very short. Sensitive readers may try
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93 to inline the call to PyException_GetContext. */
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94 if (exc_value != value) {
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95 PyObject *o = exc_value, *context;
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96 while ((context = PyException_GetContext(o))) {
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97 Py_DECREF(context);
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98 if (context == value) {
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99 PyException_SetContext(o, NULL);
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100 break;
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101 }
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102 o = context;
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103 }
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104 PyException_SetContext(value, exc_value);
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105 } else {
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106 Py_DECREF(exc_value);
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107 }
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108 }
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109 if (value != NULL && PyExceptionInstance_Check(value))
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110 tb = PyException_GetTraceback(value);
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111 Py_XINCREF(exception);
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112 PyErr_Restore(exception, value, tb);
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113 }
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114
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115 void
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116 PyErr_SetNone(PyObject *exception)
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117 {
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118 PyErr_SetObject(exception, (PyObject *)NULL);
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119 }
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121 void
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122 PyErr_SetString(PyObject *exception, const char *string)
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123 {
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124 PyObject *value = PyUnicode_FromString(string);
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125 PyErr_SetObject(exception, value);
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126 Py_XDECREF(value);
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127 }
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128
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129
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130 PyObject *
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131 PyErr_Occurred(void)
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132 {
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133 /* If there is no thread state, PyThreadState_GET calls
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134 Py_FatalError, which calls PyErr_Occurred. To avoid the
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135 resulting infinite loop, we inline PyThreadState_GET here and
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136 treat no thread as no error. */
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137 PyThreadState *tstate =
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138 ((PyThreadState*)_Py_atomic_load_relaxed(&_PyThreadState_Current));
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139
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140 return tstate == NULL ? NULL : tstate->curexc_type;
6
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141 }
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142
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143
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144 int
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145 PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc)
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146 {
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147 if (err == NULL || exc == NULL) {
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148 /* maybe caused by "import exceptions" that failed early on */
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149 return 0;
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150 }
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151 if (PyTuple_Check(exc)) {
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152 Py_ssize_t i, n;
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153 n = PyTuple_Size(exc);
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154 for (i = 0; i < n; i++) {
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155 /* Test recursively */
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156 if (PyErr_GivenExceptionMatches(
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157 err, PyTuple_GET_ITEM(exc, i)))
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158 {
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159 return 1;
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160 }
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161 }
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162 return 0;
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163 }
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164 /* err might be an instance, so check its class. */
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165 if (PyExceptionInstance_Check(err))
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166 err = PyExceptionInstance_Class(err);
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167
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168 if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
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169 int res = 0;
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170 PyObject *exception, *value, *tb;
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171 PyErr_Fetch(&exception, &value, &tb);
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172 /* PyObject_IsSubclass() can recurse and therefore is
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173 not safe (see test_bad_getattr in test.pickletester). */
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174 res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
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175 /* This function must not fail, so print the error here */
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176 if (res == -1) {
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177 PyErr_WriteUnraisable(err);
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178 res = 0;
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179 }
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180 PyErr_Restore(exception, value, tb);
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181 return res;
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182 }
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183
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184 return err == exc;
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185 }
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186
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187
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188 int
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189 PyErr_ExceptionMatches(PyObject *exc)
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190 {
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191 return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
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192 }
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193
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194
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195 /* Used in many places to normalize a raised exception, including in
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196 eval_code2(), do_raise(), and PyErr_Print()
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197
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198 XXX: should PyErr_NormalizeException() also call
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199 PyException_SetTraceback() with the resulting value and tb?
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200 */
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201 void
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202 PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb)
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203 {
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204 PyObject *type = *exc;
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205 PyObject *value = *val;
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206 PyObject *inclass = NULL;
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207 PyObject *initial_tb = NULL;
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208 PyThreadState *tstate = NULL;
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209
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210 if (type == NULL) {
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211 /* There was no exception, so nothing to do. */
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212 return;
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213 }
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214
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215 /* If PyErr_SetNone() was used, the value will have been actually
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216 set to NULL.
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217 */
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218 if (!value) {
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219 value = Py_None;
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220 Py_INCREF(value);
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221 }
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222
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223 if (PyExceptionInstance_Check(value))
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224 inclass = PyExceptionInstance_Class(value);
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225
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226 /* Normalize the exception so that if the type is a class, the
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227 value will be an instance.
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228 */
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229 if (PyExceptionClass_Check(type)) {
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230 /* if the value was not an instance, or is not an instance
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231 whose class is (or is derived from) type, then use the
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232 value as an argument to instantiation of the type
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233 class.
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234 */
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235 if (!inclass || !PyObject_IsSubclass(inclass, type)) {
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236 PyObject *args, *res;
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237
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238 if (value == Py_None)
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239 args = PyTuple_New(0);
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240 else if (PyTuple_Check(value)) {
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241 Py_INCREF(value);
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242 args = value;
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243 }
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244 else
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245 args = PyTuple_Pack(1, value);
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246
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247 if (args == NULL)
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248 goto finally;
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249 res = PyEval_CallObject(type, args);
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250 Py_DECREF(args);
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251 if (res == NULL)
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252 goto finally;
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253 Py_DECREF(value);
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254 value = res;
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255 }
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256 /* if the class of the instance doesn't exactly match the
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257 class of the type, believe the instance
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258 */
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259 else if (inclass != type) {
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260 Py_DECREF(type);
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261 type = inclass;
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262 Py_INCREF(type);
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263 }
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264 }
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265 *exc = type;
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266 *val = value;
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267 return;
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268 finally:
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269 Py_DECREF(type);
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270 Py_DECREF(value);
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271 /* If the new exception doesn't set a traceback and the old
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272 exception had a traceback, use the old traceback for the
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273 new exception. It's better than nothing.
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274 */
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275 initial_tb = *tb;
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276 PyErr_Fetch(exc, val, tb);
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277 if (initial_tb != NULL) {
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278 if (*tb == NULL)
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279 *tb = initial_tb;
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280 else
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281 Py_DECREF(initial_tb);
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282 }
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283 /* normalize recursively */
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284 tstate = PyThreadState_GET();
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285 if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
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286 --tstate->recursion_depth;
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287 /* throw away the old exception... */
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288 Py_DECREF(*exc);
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289 Py_DECREF(*val);
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290 /* ... and use the recursion error instead */
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291 *exc = PyExc_RuntimeError;
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292 *val = PyExc_RecursionErrorInst;
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293 Py_INCREF(*exc);
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294 Py_INCREF(*val);
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295 /* just keeping the old traceback */
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296 return;
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297 }
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298 PyErr_NormalizeException(exc, val, tb);
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299 --tstate->recursion_depth;
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300 }
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301
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302
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303 void
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304 PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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305 {
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306 PyThreadState *tstate = PyThreadState_GET();
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307
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308 *p_type = tstate->curexc_type;
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309 *p_value = tstate->curexc_value;
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310 *p_traceback = tstate->curexc_traceback;
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311
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312 tstate->curexc_type = NULL;
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313 tstate->curexc_value = NULL;
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314 tstate->curexc_traceback = NULL;
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315 }
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316
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317 void
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318 PyErr_Clear(void)
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319 {
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320 PyErr_Restore(NULL, NULL, NULL);
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321 }
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322
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323 /* Convenience functions to set a type error exception and return 0 */
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324
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325 int
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326 PyErr_BadArgument(void)
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327 {
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328 PyErr_SetString(PyExc_TypeError,
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329 "bad argument type for built-in operation");
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330 return 0;
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331 }
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332
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333 PyObject *
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334 PyErr_NoMemory(void)
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335 {
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336 PyErr_SetNone(PyExc_MemoryError);
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337 return NULL;
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338 }
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339
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340 PyObject *
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341 PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
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342 {
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343 PyObject *message;
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344 PyObject *v, *args;
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345 int i = errno;
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346 #ifdef MS_WINDOWS
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347 WCHAR *s_buf = NULL;
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348 #endif /* Unix/Windows */
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349
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350 #ifdef EINTR
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351 if (i == EINTR && PyErr_CheckSignals())
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352 return NULL;
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353 #endif
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354
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355 #ifndef MS_WINDOWS
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356 if (i != 0) {
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357 char *s = strerror(i);
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358 message = PyUnicode_DecodeLocale(s, "surrogateescape");
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359 }
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360 else {
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361 /* Sometimes errno didn't get set */
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362 message = PyUnicode_FromString("Error");
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363 }
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364 #else
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365 if (i == 0)
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366 message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
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367 else
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368 {
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369 /* Note that the Win32 errors do not lineup with the
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370 errno error. So if the error is in the MSVC error
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371 table, we use it, otherwise we assume it really _is_
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372 a Win32 error code
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373 */
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374 if (i > 0 && i < _sys_nerr) {
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375 message = PyUnicode_FromString(_sys_errlist[i]);
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376 }
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377 else {
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378 int len = FormatMessageW(
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379 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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380 FORMAT_MESSAGE_FROM_SYSTEM |
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381 FORMAT_MESSAGE_IGNORE_INSERTS,
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382 NULL, /* no message source */
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383 i,
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384 MAKELANGID(LANG_NEUTRAL,
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385 SUBLANG_DEFAULT),
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386 /* Default language */
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387 (LPWSTR) &s_buf,
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388 0, /* size not used */
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389 NULL); /* no args */
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390 if (len==0) {
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391 /* Only ever seen this in out-of-mem
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392 situations */
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393 s_buf = NULL;
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394 message = PyUnicode_FromFormat("Windows Error 0x%X", i);
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395 } else {
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396 /* remove trailing cr/lf and dots */
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397 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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398 s_buf[--len] = L'\0';
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399 message = PyUnicode_FromWideChar(s_buf, len);
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400 }
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401 }
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402 }
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403 #endif /* Unix/Windows */
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404
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405 if (message == NULL)
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406 {
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407 #ifdef MS_WINDOWS
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408 LocalFree(s_buf);
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409 #endif
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410 return NULL;
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411 }
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412
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413 if (filenameObject != NULL)
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414 args = Py_BuildValue("(iOO)", i, message, filenameObject);
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415 else
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416 args = Py_BuildValue("(iO)", i, message);
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417 Py_DECREF(message);
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418
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419 if (args != NULL) {
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420 v = PyObject_Call(exc, args, NULL);
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421 Py_DECREF(args);
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422 if (v != NULL) {
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423 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
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424 Py_DECREF(v);
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425 }
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426 }
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427 #ifdef MS_WINDOWS
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428 LocalFree(s_buf);
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429 #endif
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430 return NULL;
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431 }
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432
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433
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434 PyObject *
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435 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
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436 {
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437 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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438 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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439 Py_XDECREF(name);
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440 return result;
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441 }
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442
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443 #ifdef MS_WINDOWS
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444 PyObject *
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445 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
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446 {
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447 PyObject *name = filename ?
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448 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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449 NULL;
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450 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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451 Py_XDECREF(name);
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452 return result;
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453 }
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454 #endif /* MS_WINDOWS */
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455
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456 PyObject *
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457 PyErr_SetFromErrno(PyObject *exc)
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458 {
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459 return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
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460 }
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461
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462 #ifdef MS_WINDOWS
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463 /* Windows specific error code handling */
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464 PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
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465 PyObject *exc,
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466 int ierr,
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467 PyObject *filenameObject)
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468 {
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469 int len;
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470 WCHAR *s_buf = NULL; /* Free via LocalFree */
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471 PyObject *message;
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472 PyObject *args, *v;
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473 DWORD err = (DWORD)ierr;
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474 if (err==0) err = GetLastError();
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475 len = FormatMessageW(
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476 /* Error API error */
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477 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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478 FORMAT_MESSAGE_FROM_SYSTEM |
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479 FORMAT_MESSAGE_IGNORE_INSERTS,
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480 NULL, /* no message source */
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481 err,
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482 MAKELANGID(LANG_NEUTRAL,
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483 SUBLANG_DEFAULT), /* Default language */
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484 (LPWSTR) &s_buf,
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485 0, /* size not used */
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486 NULL); /* no args */
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487 if (len==0) {
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488 /* Only seen this in out of mem situations */
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489 message = PyUnicode_FromFormat("Windows Error 0x%X", err);
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490 s_buf = NULL;
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491 } else {
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492 /* remove trailing cr/lf and dots */
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493 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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494 s_buf[--len] = L'\0';
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495 message = PyUnicode_FromWideChar(s_buf, len);
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496 }
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497
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498 if (message == NULL)
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499 {
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500 LocalFree(s_buf);
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501 return NULL;
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502 }
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503
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504 if (filenameObject == NULL)
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505 filenameObject = Py_None;
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506 /* This is the constructor signature for passing a Windows error code.
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507 The POSIX translation will be figured out by the constructor. */
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508 args = Py_BuildValue("(iOOi)", 0, message, filenameObject, err);
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509 Py_DECREF(message);
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510
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511 if (args != NULL) {
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512 v = PyObject_Call(exc, args, NULL);
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513 Py_DECREF(args);
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514 if (v != NULL) {
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515 PyErr_SetObject((PyObject *) Py_TYPE(v), v);
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516 Py_DECREF(v);
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517 }
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518 }
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519 LocalFree(s_buf);
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520 return NULL;
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521 }
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522
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523 PyObject *PyErr_SetExcFromWindowsErrWithFilename(
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524 PyObject *exc,
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525 int ierr,
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526 const char *filename)
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527 {
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528 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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529 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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530 ierr,
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531 name);
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532 Py_XDECREF(name);
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533 return ret;
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534 }
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535
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536 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
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diff changeset
537 PyObject *exc,
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parents: 54129
diff changeset
538 int ierr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
539 const Py_UNICODE *filename)
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
540 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
541 PyObject *name = filename ?
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parents: 54129
diff changeset
542 PyUnicode_FromUnicode(filename, wcslen(filename)) :
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
543 NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
544 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
545 ierr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
546 name);
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parents: 54129
diff changeset
547 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
548 return ret;
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
549 }
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
550
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
551 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
552 {
61467
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diff changeset
553 return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
24423
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Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
554 }
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
555
11801
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Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
556 PyObject *PyErr_SetFromWindowsErr(int ierr)
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
557 {
61467
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diff changeset
558 return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError,
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diff changeset
559 ierr, NULL);
24423
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Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
560 }
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
561 PyObject *PyErr_SetFromWindowsErrWithFilename(
61467
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diff changeset
562 int ierr,
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parents: 54129
diff changeset
563 const char *filename)
24423
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Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
564 {
67163
5605f6920b63 Issue #10780: PyErr_SetFromWindowsErrWithFilename() and
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65688
diff changeset
565 PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
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diff changeset
566 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
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parents: 54129
diff changeset
567 PyExc_WindowsError,
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parents: 54129
diff changeset
568 ierr, name);
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parents: 54129
diff changeset
569 Py_XDECREF(name);
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parents: 54129
diff changeset
570 return result;
11801
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Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
571 }
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
572
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
573 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
61467
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parents: 54129
diff changeset
574 int ierr,
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parents: 54129
diff changeset
575 const Py_UNICODE *filename)
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
576 {
61467
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diff changeset
577 PyObject *name = filename ?
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parents: 54129
diff changeset
578 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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parents: 54129
diff changeset
579 NULL;
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parents: 54129
diff changeset
580 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
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parents: 54129
diff changeset
581 PyExc_WindowsError,
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parents: 54129
diff changeset
582 ierr, name);
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diff changeset
583 Py_XDECREF(name);
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parents: 54129
diff changeset
584 return result;
25535
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Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
585 }
11801
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Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
586 #endif /* MS_WINDOWS */
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
587
76272
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Brett Cannon <brett@python.org>
parents: 74009
diff changeset
588 PyObject *
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
589 PyErr_SetExcWithArgsKwargs(PyObject *exc, PyObject *args, PyObject *kwargs)
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
590 {
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
591 PyObject *val;
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
592
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
593 /* args must at least be an empty tuple */
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
594 if (args == NULL)
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
595 args = PyTuple_New(0);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
596
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
597 val = PyObject_Call(exc, args, kwargs);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
598 if (val != NULL) {
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
599 PyErr_SetObject((PyObject *) Py_TYPE(val), val);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
600 Py_DECREF(val);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
601 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
602
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
603 return NULL;
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
604 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
605
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
606 PyObject *
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
607 PyErr_SetFromImportErrorWithNameAndPath(PyObject *msg,
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
608 PyObject *name, PyObject *path)
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
609 {
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
610 PyObject *args = PyTuple_New(1);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
611 PyObject *kwargs = PyDict_New();
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
612 PyObject *result;
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
613
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
614 if (path == NULL)
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
615 path = Py_None;
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Brett Cannon <brett@python.org>
parents: 74009
diff changeset
616
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
617 PyTuple_SetItem(args, 0, msg);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
618 PyDict_SetItemString(kwargs, "name", name);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
619 PyDict_SetItemString(kwargs, "path", path);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
620
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
621 result = PyErr_SetExcWithArgsKwargs(PyExc_ImportError, args, kwargs);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
622
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
623 Py_DECREF(args);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
624 Py_DECREF(kwargs);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
625
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
626 return result;
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
627 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
628
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
629 PyObject *
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
630 PyErr_SetFromImportErrorWithName(PyObject *msg, PyObject *name)
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
631 {
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
632 return PyErr_SetFromImportErrorWithNameAndPath(msg, name, NULL);
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
633 }
6825fd9b00ed Issue #1559549: Add 'name' and 'path' attributes to ImportError.
Brett Cannon <brett@python.org>
parents: 74009
diff changeset
634
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
635 void
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
636 _PyErr_BadInternalCall(const char *filename, int lineno)
14170
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Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
637 {
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diff changeset
638 PyErr_Format(PyExc_SystemError,
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diff changeset
639 "%s:%d: bad argument to internal function",
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parents: 54129
diff changeset
640 filename, lineno);
14170
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Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
641 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
642
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
643 /* 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
644 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
645 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
646 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13578
diff changeset
647 PyErr_BadInternalCall(void)
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
648 {
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diff changeset
649 PyErr_Format(PyExc_SystemError,
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diff changeset
650 "bad argument to internal function");
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
651 }
14170
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Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
652 #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
653
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
654
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
655
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
656 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
657 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
658 {
61467
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diff changeset
659 va_list vargs;
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parents: 54129
diff changeset
660 PyObject* string;
14335
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
661
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
662 #ifdef HAVE_STDARG_PROTOTYPES
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diff changeset
663 va_start(vargs, format);
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
664 #else
61467
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diff changeset
665 va_start(vargs);
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
666 #endif
5105
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Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
667
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diff changeset
668 string = PyUnicode_FromFormatV(format, vargs);
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parents: 54129
diff changeset
669 PyErr_SetObject(exception, string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
670 Py_XDECREF(string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
671 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
672 return NULL;
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
673 }
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
674
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
675
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
676
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
677 PyObject *
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
678 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
679 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
680 const char *dot;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
681 PyObject *modulename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
682 PyObject *classname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
683 PyObject *mydict = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
684 PyObject *bases = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
685 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
686 dot = strrchr(name, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
687 if (dot == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
688 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
689 "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
690 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
691 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
692 if (base == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
693 base = PyExc_Exception;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
694 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
695 dict = mydict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
696 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
697 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
698 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
699 if (PyDict_GetItemString(dict, "__module__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
700 modulename = PyUnicode_FromStringAndSize(name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
701 (Py_ssize_t)(dot-name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
702 if (modulename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
703 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
704 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
705 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
706 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
707 if (PyTuple_Check(base)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
708 bases = base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
709 /* 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
710 Py_INCREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
711 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
712 bases = PyTuple_Pack(1, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
713 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
714 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
715 }
73949
021e5bb297d1 Issue #13575: there is only one class type.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 72965
diff changeset
716 /* 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
717 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
718 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
719 failure:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
720 Py_XDECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
721 Py_XDECREF(mydict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
722 Py_XDECREF(classname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
723 Py_XDECREF(modulename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
724 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
725 }
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
726
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
727
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
728 /* Create an exception with docstring */
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
729 PyObject *
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
730 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
731 PyObject *base, PyObject *dict)
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
732 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
733 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
734 PyObject *ret = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
735 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
736 PyObject *docobj;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
737
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
738 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
739 dict = mydict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
740 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
741 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
742 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
743 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
744
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
745 if (doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
746 docobj = PyUnicode_FromString(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
747 if (docobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
748 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
749 result = PyDict_SetItemString(dict, "__doc__", docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
750 Py_DECREF(docobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
751 if (result < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
752 goto failure;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
753 }
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
754
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
755 ret = PyErr_NewException(name, base, dict);
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
756 failure:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
757 Py_XDECREF(mydict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 61384
diff changeset
758 return ret;
57962
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
759 }
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
760
c1972eef3579 Merged revisions 77088 via svnmerge from
Georg Brandl <georg@python.org>
parents: 54129
diff changeset
761
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
762 /* 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
763 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
764 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
765 PyErr_WriteUnraisable(PyObject *obj)
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
766 {
72925
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents: 72893
diff changeset
767 _Py_IDENTIFIER(__module__);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
768 PyObject *f, *t, *v, *tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
769 PyErr_Fetch(&t, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
770 f = PySys_GetObject("stderr");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
771 if (f != NULL && f != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
772 PyFile_WriteString("Exception ", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
773 if (t) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
774 PyObject* moduleName;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
775 char* className;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
776 assert(PyExceptionClass_Check(t));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
777 className = PyExceptionClass_Name(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
778 if (className != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
779 char *dot = strrchr(className, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
780 if (dot != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
781 className = dot+1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
782 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
783
72848
81380082d216 Use identifier API for PyObject_GetAttrString.
Martin v. Löwis <martin@v.loewis.de>
parents: 72475
diff changeset
784 moduleName = _PyObject_GetAttrId(t, &PyId___module__);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
785 if (moduleName == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
786 PyFile_WriteString("<unknown>", f);
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 char* modstr = _PyUnicode_AsString(moduleName);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
789 if (modstr &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
790 strcmp(modstr, "builtins") != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
791 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
792 PyFile_WriteString(modstr, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
793 PyFile_WriteString(".", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
794 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
795 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
796 if (className == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
797 PyFile_WriteString("<unknown>", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
798 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
799 PyFile_WriteString(className, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
800 if (v && v != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
801 PyFile_WriteString(": ", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
802 PyFile_WriteObject(v, f, 0);
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diff changeset
803 }
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diff changeset
804 Py_XDECREF(moduleName);
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diff changeset
805 }
65624
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 65482
diff changeset
806 if (obj) {
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 65482
diff changeset
807 PyFile_WriteString(" in ", f);
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 65482
diff changeset
808 PyFile_WriteObject(obj, f, 0);
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 65482
diff changeset
809 }
61467
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diff changeset
810 PyFile_WriteString(" ignored\n", f);
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diff changeset
811 PyErr_Clear(); /* Just in case */
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diff changeset
812 }
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diff changeset
813 Py_XDECREF(t);
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diff changeset
814 Py_XDECREF(v);
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diff changeset
815 Py_XDECREF(tb);
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
816 }
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
817
30781
74747f62f286 Made function declaration a proper C prototype
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
818 extern PyObject *PyModule_GetWarningsModule(void);
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
819
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2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
820
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
821 void
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Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
822 PyErr_SyntaxLocation(const char *filename, int lineno) {
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
823 PyErr_SyntaxLocationEx(filename, lineno, -1);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
824 }
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
825
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
826
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
827 /* 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
828 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
829 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
830
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
831 void
64859
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diff changeset
832 PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
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diff changeset
833 {
61467
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diff changeset
834 PyObject *exc, *v, *tb, *tmp;
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
835 _Py_IDENTIFIER(filename);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
836 _Py_IDENTIFIER(lineno);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
837 _Py_IDENTIFIER(msg);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
838 _Py_IDENTIFIER(offset);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
839 _Py_IDENTIFIER(print_file_and_line);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
840 _Py_IDENTIFIER(text);
16838
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diff changeset
841
61467
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diff changeset
842 /* add attributes for the line number and filename for the error */
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diff changeset
843 PyErr_Fetch(&exc, &v, &tb);
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diff changeset
844 PyErr_NormalizeException(&exc, &v, &tb);
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diff changeset
845 /* XXX check that it is, indeed, a syntax error. It might not
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diff changeset
846 * be, though. */
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847 tmp = PyLong_FromLong(lineno);
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diff changeset
848 if (tmp == NULL)
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diff changeset
849 PyErr_Clear();
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850 else {
72926
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
851 if (_PyObject_SetAttrId(v, &PyId_lineno, tmp))
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diff changeset
852 PyErr_Clear();
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diff changeset
853 Py_DECREF(tmp);
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diff changeset
854 }
64859
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
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diff changeset
855 if (col_offset >= 0) {
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
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diff changeset
856 tmp = PyLong_FromLong(col_offset);
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diff changeset
857 if (tmp == NULL)
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
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diff changeset
858 PyErr_Clear();
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diff changeset
859 else {
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
860 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
861 PyErr_Clear();
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
862 Py_DECREF(tmp);
00e4ce31d404 add PyErr_SyntaxLocationEx, to support adding a column offset
Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
863 }
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Benjamin Peterson <benjamin@python.org>
parents: 62155
diff changeset
864 }
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diff changeset
865 if (filename != NULL) {
65482
38ad57db88ac PyErr_SyntaxLocationEx() uses PyUnicode_DecodeFSDefault(), instead of
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64859
diff changeset
866 tmp = PyUnicode_DecodeFSDefault(filename);
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diff changeset
867 if (tmp == NULL)
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diff changeset
868 PyErr_Clear();
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869 else {
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diff changeset
870 if (_PyObject_SetAttrId(v, &PyId_filename, tmp))
61467
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diff changeset
871 PyErr_Clear();
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diff changeset
872 Py_DECREF(tmp);
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873 }
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874
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diff changeset
875 tmp = PyErr_ProgramText(filename, lineno);
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diff changeset
876 if (tmp) {
72926
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diff changeset
877 if (_PyObject_SetAttrId(v, &PyId_text, tmp))
61467
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diff changeset
878 PyErr_Clear();
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diff changeset
879 Py_DECREF(tmp);
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diff changeset
880 }
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diff changeset
881 }
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parents: 72925
diff changeset
882 if (_PyObject_SetAttrId(v, &PyId_offset, Py_None)) {
61467
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diff changeset
883 PyErr_Clear();
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diff changeset
884 }
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diff changeset
885 if (exc != PyExc_SyntaxError) {
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
886 if (!_PyObject_HasAttrId(v, &PyId_msg)) {
61467
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diff changeset
887 tmp = PyObject_Str(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
888 if (tmp) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
889 if (_PyObject_SetAttrId(v, &PyId_msg, tmp))
61467
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diff changeset
890 PyErr_Clear();
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diff changeset
891 Py_DECREF(tmp);
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892 } else {
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diff changeset
893 PyErr_Clear();
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diff changeset
894 }
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diff changeset
895 }
72926
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parents: 72925
diff changeset
896 if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) {
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
897 if (_PyObject_SetAttrId(v, &PyId_print_file_and_line,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
898 Py_None))
61467
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diff changeset
899 PyErr_Clear();
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diff changeset
900 }
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diff changeset
901 }
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diff changeset
902 PyErr_Restore(exc, v, tb);
16838
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diff changeset
903 }
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
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parents: 15591
diff changeset
904
43524
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Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
905 /* 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
906 fails, it will return NULL but will not set an exception.
16838
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Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
907
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
908 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
909 functionality in tb_displayline() in traceback.c. */
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diff changeset
910
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diff changeset
911 PyObject *
26601
cc05c2c8660e Constify filenames and scripts. Fixes #651362.
Martin v. Löwis <martin@v.loewis.de>
parents: 25544
diff changeset
912 PyErr_ProgramText(const char *filename, int lineno)
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diff changeset
913 {
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diff changeset
914 FILE *fp;
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915 int i;
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916 char linebuf[1000];
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diff changeset
917
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918 if (filename == NULL || *filename == '\0' || lineno <= 0)
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diff changeset
919 return NULL;
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920 fp = fopen(filename, "r" PY_STDIOTEXTMODE);
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diff changeset
921 if (fp == NULL)
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922 return NULL;
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923 for (i = 0; i < lineno; i++) {
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924 char *pLastChar = &linebuf[sizeof(linebuf) - 2];
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925 do {
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926 *pLastChar = '\0';
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927 if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
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diff changeset
928 fp, NULL) == NULL)
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diff changeset
929 break;
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930 /* fgets read *something*; if it didn't get as
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931 far as pLastChar, it must have found a newline
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932 or hit the end of the file; if pLastChar is \n,
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933 it obviously found a newline; else we haven't
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934 yet seen a newline, so must continue */
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935 } while (*pLastChar != '\0' && *pLastChar != '\n');
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936 }
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937 fclose(fp);
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938 if (i == lineno) {
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939 char *p = linebuf;
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940 PyObject *res;
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941 while (*p == ' ' || *p == '\t' || *p == '\014')
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942 p++;
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943 res = PyUnicode_FromString(p);
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944 if (res == NULL)
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945 PyErr_Clear();
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946 return res;
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947 }
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948 return NULL;
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949 }
37879
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950
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951 #ifdef __cplusplus
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952 }
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953 #endif