Mercurial > cpython-lru_cache-weakref

annotate Python/errors.c @ 62198:b2c1995633bd 3.1

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Merged revisions 81849 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r81849 | victor.stinner | 2010-06-08 23:45:51 +0200 (mar., 08 juin 2010) | 7 lines PyArg_Parse*("Z#") raises an error for unknown type instead of ignoring the error and leave the pointer to the string and the size unchanged (not initialized). Fix also the type in the error message of "Z", "Z#" and "Y" formats. ........
author Victor Stinner <victor.stinner@haypocalc.com>
date Tue, 08 Jun 2010 21:46:32 +0000
parents f197407bdba2
children c6d86439aa91
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1
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2 /* Error handling */
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3
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4 #include "Python.h"
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5
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6 #ifndef __STDC__
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7 #ifndef MS_WINDOWS
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8 extern char *strerror(int);
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9 #endif
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10 #endif
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11
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12 #ifdef MS_WINDOWS
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13 #include <windows.h>
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14 #include <winbase.h>
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15 #endif
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16
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17 #include <ctype.h>
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18
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19 #ifdef __cplusplus
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20 extern "C" {
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21 #endif
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22
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24 void
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25 PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
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26 {
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27 PyThreadState *tstate = PyThreadState_GET();
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28 PyObject *oldtype, *oldvalue, *oldtraceback;
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29
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30 if (traceback != NULL && !PyTraceBack_Check(traceback)) {
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31 /* XXX Should never happen -- fatal error instead? */
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32 /* Well, it could be None. */
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33 Py_DECREF(traceback);
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34 traceback = NULL;
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35 }
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36
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37 /* Save these in locals to safeguard against recursive
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38 invocation through Py_XDECREF */
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39 oldtype = tstate->curexc_type;
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40 oldvalue = tstate->curexc_value;
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41 oldtraceback = tstate->curexc_traceback;
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43 tstate->curexc_type = type;
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44 tstate->curexc_value = value;
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45 tstate->curexc_traceback = traceback;
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46
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47 Py_XDECREF(oldtype);
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48 Py_XDECREF(oldvalue);
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49 Py_XDECREF(oldtraceback);
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50 }
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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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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 PyThreadState *tstate = PyThreadState_GET();
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134
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135 return tstate->curexc_type;
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136 }
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137
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138
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139 int
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140 PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc)
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141 {
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142 if (err == NULL || exc == NULL) {
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143 /* maybe caused by "import exceptions" that failed early on */
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144 return 0;
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145 }
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146 if (PyTuple_Check(exc)) {
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147 Py_ssize_t i, n;
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148 n = PyTuple_Size(exc);
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149 for (i = 0; i < n; i++) {
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150 /* Test recursively */
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151 if (PyErr_GivenExceptionMatches(
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152 err, PyTuple_GET_ITEM(exc, i)))
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153 {
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154 return 1;
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155 }
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156 }
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157 return 0;
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158 }
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159 /* err might be an instance, so check its class. */
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160 if (PyExceptionInstance_Check(err))
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161 err = PyExceptionInstance_Class(err);
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162
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163 if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
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164 int res = 0;
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165 PyObject *exception, *value, *tb;
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166 PyErr_Fetch(&exception, &value, &tb);
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167 /* PyObject_IsSubclass() can recurse and therefore is
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168 not safe (see test_bad_getattr in test.pickletester). */
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169 res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
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170 /* This function must not fail, so print the error here */
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171 if (res == -1) {
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172 PyErr_WriteUnraisable(err);
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173 res = 0;
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174 }
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175 PyErr_Restore(exception, value, tb);
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176 return res;
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177 }
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178
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179 return err == exc;
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180 }
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181
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182
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183 int
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184 PyErr_ExceptionMatches(PyObject *exc)
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185 {
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186 return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
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187 }
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188
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189
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190 /* Used in many places to normalize a raised exception, including in
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191 eval_code2(), do_raise(), and PyErr_Print()
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192
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193 XXX: should PyErr_NormalizeException() also call
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194 PyException_SetTraceback() with the resulting value and tb?
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195 */
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196 void
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197 PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb)
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198 {
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199 PyObject *type = *exc;
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200 PyObject *value = *val;
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201 PyObject *inclass = NULL;
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202 PyObject *initial_tb = NULL;
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203 PyThreadState *tstate = NULL;
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204
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205 if (type == NULL) {
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206 /* There was no exception, so nothing to do. */
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207 return;
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208 }
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209
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210 /* If PyErr_SetNone() was used, the value will have been actually
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211 set to NULL.
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212 */
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213 if (!value) {
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214 value = Py_None;
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215 Py_INCREF(value);
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216 }
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217
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218 if (PyExceptionInstance_Check(value))
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219 inclass = PyExceptionInstance_Class(value);
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220
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221 /* Normalize the exception so that if the type is a class, the
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222 value will be an instance.
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223 */
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224 if (PyExceptionClass_Check(type)) {
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225 /* if the value was not an instance, or is not an instance
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226 whose class is (or is derived from) type, then use the
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227 value as an argument to instantiation of the type
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228 class.
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229 */
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230 if (!inclass || !PyObject_IsSubclass(inclass, type)) {
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231 PyObject *args, *res;
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232
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233 if (value == Py_None)
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234 args = PyTuple_New(0);
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235 else if (PyTuple_Check(value)) {
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236 Py_INCREF(value);
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237 args = value;
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238 }
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239 else
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240 args = PyTuple_Pack(1, value);
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241
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242 if (args == NULL)
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243 goto finally;
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244 res = PyEval_CallObject(type, args);
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245 Py_DECREF(args);
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246 if (res == NULL)
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247 goto finally;
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248 Py_DECREF(value);
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249 value = res;
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250 }
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251 /* if the class of the instance doesn't exactly match the
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252 class of the type, believe the instance
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253 */
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254 else if (inclass != type) {
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255 Py_DECREF(type);
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256 type = inclass;
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257 Py_INCREF(type);
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258 }
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259 }
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260 *exc = type;
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261 *val = value;
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262 return;
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263 finally:
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264 Py_DECREF(type);
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265 Py_DECREF(value);
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266 /* If the new exception doesn't set a traceback and the old
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267 exception had a traceback, use the old traceback for the
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268 new exception. It's better than nothing.
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269 */
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270 initial_tb = *tb;
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271 PyErr_Fetch(exc, val, tb);
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272 if (initial_tb != NULL) {
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273 if (*tb == NULL)
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274 *tb = initial_tb;
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275 else
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276 Py_DECREF(initial_tb);
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277 }
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278 /* normalize recursively */
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279 tstate = PyThreadState_GET();
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280 if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
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281 --tstate->recursion_depth;
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282 /* throw away the old exception... */
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283 Py_DECREF(*exc);
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284 Py_DECREF(*val);
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285 /* ... and use the recursion error instead */
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286 *exc = PyExc_RuntimeError;
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287 *val = PyExc_RecursionErrorInst;
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288 Py_INCREF(*exc);
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289 Py_INCREF(*val);
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290 /* just keeping the old traceback */
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291 return;
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292 }
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293 PyErr_NormalizeException(exc, val, tb);
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294 --tstate->recursion_depth;
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295 }
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296
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297
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298 void
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299 PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
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300 {
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301 PyThreadState *tstate = PyThreadState_GET();
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302
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303 *p_type = tstate->curexc_type;
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304 *p_value = tstate->curexc_value;
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305 *p_traceback = tstate->curexc_traceback;
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306
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307 tstate->curexc_type = NULL;
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308 tstate->curexc_value = NULL;
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309 tstate->curexc_traceback = NULL;
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310 }
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311
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312 void
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313 PyErr_Clear(void)
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314 {
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315 PyErr_Restore(NULL, NULL, NULL);
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316 }
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317
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318 /* Convenience functions to set a type error exception and return 0 */
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319
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320 int
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321 PyErr_BadArgument(void)
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322 {
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323 PyErr_SetString(PyExc_TypeError,
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324 "bad argument type for built-in operation");
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325 return 0;
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326 }
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327
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328 PyObject *
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329 PyErr_NoMemory(void)
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330 {
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331 if (PyErr_ExceptionMatches(PyExc_MemoryError))
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332 /* already current */
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333 return NULL;
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334
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335 /* raise the pre-allocated instance if it still exists */
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336 if (PyExc_MemoryErrorInst)
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337 {
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338 /* Clear the previous traceback, otherwise it will be appended
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339 * to the current one.
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340 *
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341 * The following statement is not likely to raise any error;
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342 * if it does, we simply discard it.
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343 */
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344 PyException_SetTraceback(PyExc_MemoryErrorInst, Py_None);
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345
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346 PyErr_SetObject(PyExc_MemoryError, PyExc_MemoryErrorInst);
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347 }
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348 else
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349 /* this will probably fail since there's no memory and hee,
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350 hee, we have to instantiate this class
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351 */
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352 PyErr_SetNone(PyExc_MemoryError);
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353
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354 return NULL;
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355 }
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356
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357 PyObject *
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358 PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
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359 {
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360 PyObject *message;
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361 PyObject *v;
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362 int i = errno;
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363 #ifdef PLAN9
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364 char errbuf[ERRMAX];
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365 #else
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366 #ifndef MS_WINDOWS
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367 char *s;
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368 #else
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369 WCHAR *s_buf = NULL;
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370 #endif /* Unix/Windows */
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371 #endif /* PLAN 9*/
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372
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373 #ifdef EINTR
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374 if (i == EINTR && PyErr_CheckSignals())
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375 return NULL;
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376 #endif
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377
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378 #ifdef PLAN9
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379 rerrstr(errbuf, sizeof errbuf);
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380 message = PyUnicode_DecodeUTF8(errbuf, strlen(errbuf), "ignore");
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381 #else
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382 #ifndef MS_WINDOWS
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383 if (i == 0)
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384 s = "Error"; /* Sometimes errno didn't get set */
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385 else
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386 s = strerror(i);
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387 message = PyUnicode_DecodeUTF8(s, strlen(s), "ignore");
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388 #else
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389 if (i == 0)
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390 message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
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391 else
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392 {
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393 /* Note that the Win32 errors do not lineup with the
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394 errno error. So if the error is in the MSVC error
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395 table, we use it, otherwise we assume it really _is_
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396 a Win32 error code
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397 */
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398 if (i > 0 && i < _sys_nerr) {
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399 message = PyUnicode_FromString(_sys_errlist[i]);
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400 }
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401 else {
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402 int len = FormatMessageW(
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403 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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404 FORMAT_MESSAGE_FROM_SYSTEM |
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405 FORMAT_MESSAGE_IGNORE_INSERTS,
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406 NULL, /* no message source */
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407 i,
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408 MAKELANGID(LANG_NEUTRAL,
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409 SUBLANG_DEFAULT),
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410 /* Default language */
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411 (LPWSTR) &s_buf,
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412 0, /* size not used */
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413 NULL); /* no args */
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414 if (len==0) {
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415 /* Only ever seen this in out-of-mem
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416 situations */
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417 s_buf = NULL;
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418 message = PyUnicode_FromFormat("Windows Error 0x%X", i);
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419 } else {
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420 /* remove trailing cr/lf and dots */
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421 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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422 s_buf[--len] = L'\0';
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423 message = PyUnicode_FromUnicode(s_buf, len);
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424 }
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425 }
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426 }
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427 #endif /* Unix/Windows */
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428 #endif /* PLAN 9*/
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429
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430 if (message == NULL)
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431 {
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432 #ifdef MS_WINDOWS
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433 LocalFree(s_buf);
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434 #endif
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435 return NULL;
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436 }
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437
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438 if (filenameObject != NULL)
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439 v = Py_BuildValue("(iOO)", i, message, filenameObject);
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440 else
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441 v = Py_BuildValue("(iO)", i, message);
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442 Py_DECREF(message);
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443
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444 if (v != NULL) {
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445 PyErr_SetObject(exc, v);
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446 Py_DECREF(v);
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447 }
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448 #ifdef MS_WINDOWS
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449 LocalFree(s_buf);
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450 #endif
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451 return NULL;
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452 }
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453
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454
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455 PyObject *
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456 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
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457 {
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458 PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
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459 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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460 Py_XDECREF(name);
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461 return result;
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462 }
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463
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464 #ifdef MS_WINDOWS
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465 PyObject *
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466 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
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467 {
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468 PyObject *name = filename ?
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469 PyUnicode_FromUnicode(filename, wcslen(filename)) :
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470 NULL;
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471 PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
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472 Py_XDECREF(name);
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473 return result;
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474 }
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475 #endif /* MS_WINDOWS */
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476
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477 PyObject *
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478 PyErr_SetFromErrno(PyObject *exc)
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479 {
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480 return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
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481 }
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482
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483 #ifdef MS_WINDOWS
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484 /* Windows specific error code handling */
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485 PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
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486 PyObject *exc,
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487 int ierr,
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488 PyObject *filenameObject)
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489 {
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490 int len;
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491 WCHAR *s_buf = NULL; /* Free via LocalFree */
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492 PyObject *message;
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493 PyObject *v;
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494 DWORD err = (DWORD)ierr;
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495 if (err==0) err = GetLastError();
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496 len = FormatMessageW(
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497 /* Error API error */
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498 FORMAT_MESSAGE_ALLOCATE_BUFFER |
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499 FORMAT_MESSAGE_FROM_SYSTEM |
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500 FORMAT_MESSAGE_IGNORE_INSERTS,
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501 NULL, /* no message source */
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502 err,
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503 MAKELANGID(LANG_NEUTRAL,
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504 SUBLANG_DEFAULT), /* Default language */
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505 (LPWSTR) &s_buf,
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506 0, /* size not used */
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507 NULL); /* no args */
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508 if (len==0) {
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509 /* Only seen this in out of mem situations */
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510 message = PyUnicode_FromFormat("Windows Error 0x%X", err);
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511 s_buf = NULL;
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512 } else {
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513 /* remove trailing cr/lf and dots */
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514 while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
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515 s_buf[--len] = L'\0';
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516 message = PyUnicode_FromUnicode(s_buf, len);
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517 }
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518
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519 if (message == NULL)
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520 {
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521 LocalFree(s_buf);
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522 return NULL;
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523 }
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524
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525 if (filenameObject != NULL)
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526 v = Py_BuildValue("(iOO)", err, message, filenameObject);
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527 else
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528 v = Py_BuildValue("(iO)", err, message);
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529 Py_DECREF(message);
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530
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531 if (v != NULL) {
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532 PyErr_SetObject(exc, v);
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533 Py_DECREF(v);
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534 }
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535 LocalFree(s_buf);
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536 return NULL;
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537 }
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538
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539 PyObject *PyErr_SetExcFromWindowsErrWithFilename(
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540 PyObject *exc,
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parents: 54129
diff changeset
541 int ierr,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
542 const char *filename)
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
543 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
544 PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
545 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
546 ierr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
547 name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
548 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
549 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
550 }
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
551
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
552 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
553 PyObject *exc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
554 int ierr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
555 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
556 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
557 PyObject *name = filename ?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
558 PyUnicode_FromUnicode(filename, wcslen(filename)) :
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
559 NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
560 PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
561 ierr,
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parents: 54129
diff changeset
562 name);
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parents: 54129
diff changeset
563 Py_XDECREF(name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
564 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
565 }
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
566
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
567 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
568 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
569 return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
570 }
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
571
11801
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
572 PyObject *PyErr_SetFromWindowsErr(int ierr)
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
573 {
61467
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parents: 54129
diff changeset
574 return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError,
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parents: 54129
diff changeset
575 ierr, NULL);
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
576 }
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
577 PyObject *PyErr_SetFromWindowsErrWithFilename(
61467
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parents: 54129
diff changeset
578 int ierr,
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parents: 54129
diff changeset
579 const char *filename)
24423
3db261a93a5b New functions for extension writers on Windows:
Thomas Heller <theller@ctypes.org>
parents: 24071
diff changeset
580 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
581 PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
582 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
583 PyExc_WindowsError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
584 ierr, name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
585 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
586 return result;
11801
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
587 }
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
588
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
589 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
590 int ierr,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
591 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
592 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
593 PyObject *name = filename ?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
594 PyUnicode_FromUnicode(filename, wcslen(filename)) :
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
595 NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
596 PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
597 PyExc_WindowsError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
598 ierr, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
599 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
600 return result;
25535
861065256487 Patch 594001: PEP 277 - Unicode file name support for Windows NT.
Mark Hammond <mhammond@skippinet.com.au>
parents: 24423
diff changeset
601 }
11801
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
602 #endif /* MS_WINDOWS */
fe960ad3db65 Patch by Mark Hammond:
Guido van Rossum <guido@python.org>
parents: 10638
diff changeset
603
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
604 void
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
605 _PyErr_BadInternalCall(const char *filename, int lineno)
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
606 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
607 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
608 "%s:%d: bad argument to internal function",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
609 filename, lineno);
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
610 }
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
611
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
612 /* 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
613 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
614 #undef PyErr_BadInternalCall
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
615 void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13578
diff changeset
616 PyErr_BadInternalCall(void)
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
617 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
618 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
619 "bad argument to internal function");
22
2d3eb717a00d Added err_badcall().
Guido van Rossum <guido@python.org>
parents: 9
diff changeset
620 }
14170
019265b3a856 Improve the exceptions raised by PyErr_BadInternalCall(); adding the
Fred Drake <fdrake@acm.org>
parents: 14066
diff changeset
621 #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
622
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
623
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
624
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
625 PyObject *
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
626 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
627 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
628 va_list vargs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
629 PyObject* string;
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
630
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
631 #ifdef HAVE_STDARG_PROTOTYPES
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
632 va_start(vargs, format);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
633 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
634 va_start(vargs);
14335
951eb3af3494 code part of patch #100895 by Fredrik Lundh
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14330
diff changeset
635 #endif
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
636
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
637 string = PyUnicode_FromFormatV(format, vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
638 PyErr_SetObject(exception, string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
639 Py_XDECREF(string);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
640 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
641 return NULL;
5105
00fd6857f76b Added convenience function PyErr_Format(exception, formatstring, ...) -> NULL.
Guido van Rossum <guido@python.org>
parents: 4654
diff changeset
642 }
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
643
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
644
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
645
6319
b7f0b98f5325 New API PyErr_NewException(name, base, dict) to create simple new exceptions.
Guido van Rossum <guido@python.org>
parents: 6190
diff changeset
646 PyObject *
42794
84618b2064c1 Add const to some strings that are not modified
Neal Norwitz <nnorwitz@gmail.com>
parents: 42793
diff changeset
647 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
648 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
649 const char *dot;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
650 PyObject *modulename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
651 PyObject *classname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
652 PyObject *mydict = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
653 PyObject *bases = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
654 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
655 dot = strrchr(name, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
656 if (dot == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
657 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
658 "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
659 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
660 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
661 if (base == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
662 base = PyExc_Exception;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
663 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
664 dict = mydict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
665 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
666 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
667 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
668 if (PyDict_GetItemString(dict, "__module__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
669 modulename = PyUnicode_FromStringAndSize(name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
670 (Py_ssize_t)(dot-name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
671 if (modulename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
672 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
673 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
674 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
675 }
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parents: 54129
diff changeset
676 if (PyTuple_Check(base)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
677 bases = base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
678 /* 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
679 Py_INCREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
680 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
681 bases = PyTuple_Pack(1, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
682 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
683 goto failure;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
684 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
685 /* Create a real new-style class. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
686 result = PyObject_CallFunction((PyObject *)&PyType_Type, "UOO",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
687 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
688 failure:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
689 Py_XDECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
690 Py_XDECREF(mydict);
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parents: 54129
diff changeset
691 Py_XDECREF(classname);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
692 Py_XDECREF(modulename);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
693 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
694 }
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
695
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
696 /* 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
697 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
698 void
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
699 PyErr_WriteUnraisable(PyObject *obj)
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
700 {
61467
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diff changeset
701 PyObject *f, *t, *v, *tb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
702 PyErr_Fetch(&t, &v, &tb);
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parents: 54129
diff changeset
703 f = PySys_GetObject("stderr");
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parents: 54129
diff changeset
704 if (f != NULL && f != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
705 PyFile_WriteString("Exception ", f);
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parents: 54129
diff changeset
706 if (t) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
707 PyObject* moduleName;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
708 char* className;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
709 assert(PyExceptionClass_Check(t));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
710 className = PyExceptionClass_Name(t);
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parents: 54129
diff changeset
711 if (className != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
712 char *dot = strrchr(className, '.');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
713 if (dot != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
714 className = dot+1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
715 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
716
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
717 moduleName = PyObject_GetAttrString(t, "__module__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
718 if (moduleName == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
719 PyFile_WriteString("<unknown>", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
720 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
721 char* modstr = _PyUnicode_AsString(moduleName);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
722 if (modstr &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
723 strcmp(modstr, "builtins") != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
724 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
725 PyFile_WriteString(modstr, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
726 PyFile_WriteString(".", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
727 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
728 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
729 if (className == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
730 PyFile_WriteString("<unknown>", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
731 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
732 PyFile_WriteString(className, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
733 if (v && v != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
734 PyFile_WriteString(": ", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
735 PyFile_WriteObject(v, f, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
736 }
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parents: 54129
diff changeset
737 Py_XDECREF(moduleName);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
738 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
739 PyFile_WriteString(" in ", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
740 PyFile_WriteObject(obj, f, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
741 PyFile_WriteString(" ignored\n", f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
742 PyErr_Clear(); /* Just in case */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
743 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
744 Py_XDECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
745 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
746 Py_XDECREF(tb);
14330
6dee1985c681 refactor __del__ exception handler into PyErr_WriteUnraisable
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14170
diff changeset
747 }
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
748
30781
74747f62f286 Made function declaration a proper C prototype
Armin Rigo <arigo@tunes.org>
parents: 30683
diff changeset
749 extern PyObject *PyModule_GetWarningsModule(void);
15591
36286632ff3a Add PyErr_Warn().
Guido van Rossum <guido@python.org>
parents: 15318
diff changeset
750
16850
2d4da6cfee61 Add PyErr_WarnExplicit(), which calls warnings.warn_explicit(), with
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
751
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 20221
diff changeset
752 /* 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
753 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
754 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
755
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
756 void
26601
cc05c2c8660e Constify filenames and scripts. Fixes #651362.
Martin v. Löwis <martin@v.loewis.de>
parents: 25544
diff changeset
757 PyErr_SyntaxLocation(const char *filename, int lineno)
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
758 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
759 PyObject *exc, *v, *tb, *tmp;
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
760
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
761 /* add attributes for the line number and filename for the error */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
762 PyErr_Fetch(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
763 PyErr_NormalizeException(&exc, &v, &tb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
764 /* XXX check that it is, indeed, a syntax error. It might not
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
765 * be, though. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
766 tmp = PyLong_FromLong(lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
767 if (tmp == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
768 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
769 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
770 if (PyObject_SetAttrString(v, "lineno", tmp))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
771 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
772 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
773 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
774 if (filename != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
775 tmp = PyUnicode_FromString(filename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
776 if (tmp == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
777 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
778 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
779 if (PyObject_SetAttrString(v, "filename", tmp))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
780 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
781 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
782 }
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15591
diff changeset
783
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
784 tmp = PyErr_ProgramText(filename, lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
785 if (tmp) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
786 if (PyObject_SetAttrString(v, "text", tmp))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
787 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
788 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
789 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
790 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
791 if (PyObject_SetAttrString(v, "offset", Py_None)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
792 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
793 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
794 if (exc != PyExc_SyntaxError) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
795 if (!PyObject_HasAttrString(v, "msg")) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
796 tmp = PyObject_Str(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
797 if (tmp) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
798 if (PyObject_SetAttrString(v, "msg", tmp))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
799 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
800 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
801 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
802 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
803 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 54129
diff changeset
804 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
805 if (!PyObject_HasAttrString(v, "print_file_and_line")) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 54129
diff changeset
806 if (PyObject_SetAttrString(v, "print_file_and_line",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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807 Py_None))
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808 PyErr_Clear();
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809 }
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810 }
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811 PyErr_Restore(exc, v, tb);
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812 }
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813
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814 /* Attempt to load the line of text that the exception refers to. If it
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815 fails, it will return NULL but will not set an exception.
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816
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817 XXX The functionality of this function is quite similar to the
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818 functionality in tb_displayline() in traceback.c. */
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819
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820 PyObject *
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821 PyErr_ProgramText(const char *filename, int lineno)
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822 {
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823 FILE *fp;
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824 int i;
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825 char linebuf[1000];
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826
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827 if (filename == NULL || *filename == '\0' || lineno <= 0)
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828 return NULL;
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829 fp = fopen(filename, "r" PY_STDIOTEXTMODE);
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830 if (fp == NULL)
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831 return NULL;
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832 for (i = 0; i < lineno; i++) {
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833 char *pLastChar = &linebuf[sizeof(linebuf) - 2];
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834 do {
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835 *pLastChar = '\0';
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836 if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
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837 fp, NULL) == NULL)
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838 break;
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839 /* fgets read *something*; if it didn't get as
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840 far as pLastChar, it must have found a newline
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841 or hit the end of the file; if pLastChar is \n,
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842 it obviously found a newline; else we haven't
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843 yet seen a newline, so must continue */
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844 } while (*pLastChar != '\0' && *pLastChar != '\n');
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845 }
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846 fclose(fp);
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847 if (i == lineno) {
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848 char *p = linebuf;
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849 PyObject *res;
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850 while (*p == ' ' || *p == '\t' || *p == '\014')
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851 p++;
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852 res = PyUnicode_FromString(p);
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853 if (res == NULL)
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854 PyErr_Clear();
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855 return res;
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856 }
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857 return NULL;
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858 }
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859
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860 #ifdef __cplusplus
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861 }
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862 #endif