Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 373c869 | 1997-04-29 18:22:47 +0000 | [diff] [blame] | 2 | /* Error handling */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 3 | |
Guido van Rossum | 373c869 | 1997-04-29 18:22:47 +0000 | [diff] [blame] | 4 | #include "Python.h" |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 5 | #include "pycore_initconfig.h" |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 6 | #include "pycore_pyerrors.h" |
Victor Stinner | 621cebe | 2018-11-12 16:53:38 +0100 | [diff] [blame] | 7 | #include "pycore_pystate.h" |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 8 | #include "pycore_traceback.h" |
Guido van Rossum | f22120a | 1990-12-20 23:05:40 +0000 | [diff] [blame] | 9 | |
Guido van Rossum | 53e8d44 | 1995-03-09 12:11:31 +0000 | [diff] [blame] | 10 | #ifndef __STDC__ |
Guido van Rossum | 7844e38 | 1997-04-11 20:44:04 +0000 | [diff] [blame] | 11 | #ifndef MS_WINDOWS |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 12 | extern char *strerror(int); |
Guido van Rossum | 53e8d44 | 1995-03-09 12:11:31 +0000 | [diff] [blame] | 13 | #endif |
Guido van Rossum | 7844e38 | 1997-04-11 20:44:04 +0000 | [diff] [blame] | 14 | #endif |
Guido van Rossum | f5401bd | 1990-11-02 17:50:28 +0000 | [diff] [blame] | 15 | |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 16 | #ifdef MS_WINDOWS |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 17 | #include <windows.h> |
| 18 | #include <winbase.h> |
Guido van Rossum | 743007d | 1999-04-21 15:27:31 +0000 | [diff] [blame] | 19 | #endif |
| 20 | |
Jeremy Hylton | b69a27e | 2000-09-01 03:49:47 +0000 | [diff] [blame] | 21 | #include <ctype.h> |
| 22 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 23 | #ifdef __cplusplus |
| 24 | extern "C" { |
| 25 | #endif |
| 26 | |
Hai Shi | 46874c2 | 2020-01-30 17:20:25 -0600 | [diff] [blame] | 27 | _Py_IDENTIFIER(__module__); |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 28 | _Py_IDENTIFIER(builtins); |
| 29 | _Py_IDENTIFIER(stderr); |
Victor Stinner | a85a1d3 | 2019-05-28 16:01:17 +0200 | [diff] [blame] | 30 | _Py_IDENTIFIER(flush); |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 31 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 32 | /* Forward declarations */ |
| 33 | static PyObject * |
| 34 | _PyErr_FormatV(PyThreadState *tstate, PyObject *exception, |
| 35 | const char *format, va_list vargs); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 36 | |
| 37 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 38 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 39 | _PyErr_Restore(PyThreadState *tstate, PyObject *type, PyObject *value, |
| 40 | PyObject *traceback) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 41 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 42 | PyObject *oldtype, *oldvalue, *oldtraceback; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 43 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 44 | if (traceback != NULL && !PyTraceBack_Check(traceback)) { |
| 45 | /* XXX Should never happen -- fatal error instead? */ |
| 46 | /* Well, it could be None. */ |
| 47 | Py_DECREF(traceback); |
| 48 | traceback = NULL; |
| 49 | } |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 50 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 51 | /* Save these in locals to safeguard against recursive |
| 52 | invocation through Py_XDECREF */ |
| 53 | oldtype = tstate->curexc_type; |
| 54 | oldvalue = tstate->curexc_value; |
| 55 | oldtraceback = tstate->curexc_traceback; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 56 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 57 | tstate->curexc_type = type; |
| 58 | tstate->curexc_value = value; |
| 59 | tstate->curexc_traceback = traceback; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 60 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 61 | Py_XDECREF(oldtype); |
| 62 | Py_XDECREF(oldvalue); |
| 63 | Py_XDECREF(oldtraceback); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 64 | } |
| 65 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 66 | void |
| 67 | PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback) |
| 68 | { |
| 69 | PyThreadState *tstate = _PyThreadState_GET(); |
| 70 | _PyErr_Restore(tstate, type, value, traceback); |
| 71 | } |
| 72 | |
| 73 | |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 74 | _PyErr_StackItem * |
| 75 | _PyErr_GetTopmostException(PyThreadState *tstate) |
| 76 | { |
| 77 | _PyErr_StackItem *exc_info = tstate->exc_info; |
| 78 | while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && |
| 79 | exc_info->previous_item != NULL) |
| 80 | { |
| 81 | exc_info = exc_info->previous_item; |
| 82 | } |
| 83 | return exc_info; |
| 84 | } |
| 85 | |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 86 | static PyObject* |
| 87 | _PyErr_CreateException(PyObject *exception, PyObject *value) |
| 88 | { |
| 89 | if (value == NULL || value == Py_None) { |
| 90 | return _PyObject_CallNoArg(exception); |
| 91 | } |
| 92 | else if (PyTuple_Check(value)) { |
| 93 | return PyObject_Call(exception, value, NULL); |
| 94 | } |
| 95 | else { |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 96 | return PyObject_CallOneArg(exception, value); |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 97 | } |
| 98 | } |
| 99 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 100 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 101 | _PyErr_SetObject(PyThreadState *tstate, PyObject *exception, PyObject *value) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 102 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 103 | PyObject *exc_value; |
| 104 | PyObject *tb = NULL; |
Guido van Rossum | b4fb6e4 | 2008-06-14 20:20:24 +0000 | [diff] [blame] | 105 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 106 | if (exception != NULL && |
| 107 | !PyExceptionClass_Check(exception)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 108 | _PyErr_Format(tstate, PyExc_SystemError, |
| 109 | "exception %R not a BaseException subclass", |
| 110 | exception); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 111 | return; |
| 112 | } |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 113 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 114 | Py_XINCREF(value); |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 115 | exc_value = _PyErr_GetTopmostException(tstate)->exc_value; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 116 | if (exc_value != NULL && exc_value != Py_None) { |
| 117 | /* Implicit exception chaining */ |
| 118 | Py_INCREF(exc_value); |
| 119 | if (value == NULL || !PyExceptionInstance_Check(value)) { |
| 120 | /* We must normalize the value right now */ |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 121 | PyObject *fixed_value; |
Victor Stinner | de821be | 2015-03-24 12:41:23 +0100 | [diff] [blame] | 122 | |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 123 | /* Issue #23571: functions must not be called with an |
Victor Stinner | de821be | 2015-03-24 12:41:23 +0100 | [diff] [blame] | 124 | exception set */ |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 125 | _PyErr_Clear(tstate); |
Victor Stinner | de821be | 2015-03-24 12:41:23 +0100 | [diff] [blame] | 126 | |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 127 | fixed_value = _PyErr_CreateException(exception, value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 128 | Py_XDECREF(value); |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 129 | if (fixed_value == NULL) { |
Alexey Izbyshev | a2eefa6 | 2018-08-26 19:31:25 +0300 | [diff] [blame] | 130 | Py_DECREF(exc_value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 131 | return; |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 132 | } |
| 133 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 134 | value = fixed_value; |
| 135 | } |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 136 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 137 | /* Avoid reference cycles through the context chain. |
| 138 | This is O(chain length) but context chains are |
| 139 | usually very short. Sensitive readers may try |
| 140 | to inline the call to PyException_GetContext. */ |
| 141 | if (exc_value != value) { |
| 142 | PyObject *o = exc_value, *context; |
| 143 | while ((context = PyException_GetContext(o))) { |
| 144 | Py_DECREF(context); |
| 145 | if (context == value) { |
| 146 | PyException_SetContext(o, NULL); |
| 147 | break; |
| 148 | } |
| 149 | o = context; |
| 150 | } |
| 151 | PyException_SetContext(value, exc_value); |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 152 | } |
| 153 | else { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 154 | Py_DECREF(exc_value); |
| 155 | } |
| 156 | } |
| 157 | if (value != NULL && PyExceptionInstance_Check(value)) |
| 158 | tb = PyException_GetTraceback(value); |
| 159 | Py_XINCREF(exception); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 160 | _PyErr_Restore(tstate, exception, value, tb); |
| 161 | } |
| 162 | |
| 163 | void |
| 164 | PyErr_SetObject(PyObject *exception, PyObject *value) |
| 165 | { |
| 166 | PyThreadState *tstate = _PyThreadState_GET(); |
| 167 | _PyErr_SetObject(tstate, exception, value); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 168 | } |
| 169 | |
Raymond Hettinger | 69492da | 2013-09-02 15:59:26 -0700 | [diff] [blame] | 170 | /* Set a key error with the specified argument, wrapping it in a |
| 171 | * tuple automatically so that tuple keys are not unpacked as the |
| 172 | * exception arguments. */ |
| 173 | void |
| 174 | _PyErr_SetKeyError(PyObject *arg) |
| 175 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 176 | PyThreadState *tstate = _PyThreadState_GET(); |
| 177 | PyObject *tup = PyTuple_Pack(1, arg); |
| 178 | if (!tup) { |
| 179 | /* caller will expect error to be set anyway */ |
| 180 | return; |
| 181 | } |
| 182 | _PyErr_SetObject(tstate, PyExc_KeyError, tup); |
Raymond Hettinger | 69492da | 2013-09-02 15:59:26 -0700 | [diff] [blame] | 183 | Py_DECREF(tup); |
| 184 | } |
| 185 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 186 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 187 | _PyErr_SetNone(PyThreadState *tstate, PyObject *exception) |
| 188 | { |
| 189 | _PyErr_SetObject(tstate, exception, (PyObject *)NULL); |
| 190 | } |
| 191 | |
| 192 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 193 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 194 | PyErr_SetNone(PyObject *exception) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 195 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 196 | PyThreadState *tstate = _PyThreadState_GET(); |
| 197 | _PyErr_SetNone(tstate, exception); |
| 198 | } |
| 199 | |
| 200 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 201 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 202 | _PyErr_SetString(PyThreadState *tstate, PyObject *exception, |
| 203 | const char *string) |
| 204 | { |
| 205 | PyObject *value = PyUnicode_FromString(string); |
| 206 | _PyErr_SetObject(tstate, exception, value); |
| 207 | Py_XDECREF(value); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 211 | PyErr_SetString(PyObject *exception, const char *string) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 212 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 213 | PyThreadState *tstate = _PyThreadState_GET(); |
| 214 | _PyErr_SetString(tstate, exception, string); |
| 215 | } |
| 216 | |
| 217 | |
Victor Stinner | c6944e7 | 2016-11-11 02:13:35 +0100 | [diff] [blame] | 218 | PyObject* _Py_HOT_FUNCTION |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 219 | PyErr_Occurred(void) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 220 | { |
Victor Stinner | d12d0e7 | 2019-11-07 12:42:07 +0100 | [diff] [blame] | 221 | /* The caller must hold the GIL. */ |
| 222 | assert(PyGILState_Check()); |
| 223 | |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 224 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 225 | return _PyErr_Occurred(tstate); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 228 | |
| 229 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 230 | PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc) |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 231 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 232 | if (err == NULL || exc == NULL) { |
| 233 | /* maybe caused by "import exceptions" that failed early on */ |
| 234 | return 0; |
| 235 | } |
| 236 | if (PyTuple_Check(exc)) { |
| 237 | Py_ssize_t i, n; |
| 238 | n = PyTuple_Size(exc); |
| 239 | for (i = 0; i < n; i++) { |
| 240 | /* Test recursively */ |
| 241 | if (PyErr_GivenExceptionMatches( |
| 242 | err, PyTuple_GET_ITEM(exc, i))) |
| 243 | { |
| 244 | return 1; |
| 245 | } |
| 246 | } |
| 247 | return 0; |
| 248 | } |
| 249 | /* err might be an instance, so check its class. */ |
| 250 | if (PyExceptionInstance_Check(err)) |
| 251 | err = PyExceptionInstance_Class(err); |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 252 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 253 | if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) { |
scoder | e4c06bc | 2017-07-31 22:27:46 +0200 | [diff] [blame] | 254 | return PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 255 | } |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 256 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 257 | return err == exc; |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 258 | } |
Guido van Rossum | 743007d | 1999-04-21 15:27:31 +0000 | [diff] [blame] | 259 | |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 260 | |
| 261 | int |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 262 | _PyErr_ExceptionMatches(PyThreadState *tstate, PyObject *exc) |
| 263 | { |
| 264 | return PyErr_GivenExceptionMatches(_PyErr_Occurred(tstate), exc); |
| 265 | } |
| 266 | |
| 267 | |
| 268 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 269 | PyErr_ExceptionMatches(PyObject *exc) |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 270 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 271 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 272 | return _PyErr_ExceptionMatches(tstate, exc); |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | |
xdegaye | 56d1f5c | 2017-10-26 15:09:06 +0200 | [diff] [blame] | 276 | #ifndef Py_NORMALIZE_RECURSION_LIMIT |
| 277 | #define Py_NORMALIZE_RECURSION_LIMIT 32 |
| 278 | #endif |
| 279 | |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 280 | /* Used in many places to normalize a raised exception, including in |
| 281 | eval_code2(), do_raise(), and PyErr_Print() |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 282 | |
| 283 | XXX: should PyErr_NormalizeException() also call |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 284 | PyException_SetTraceback() with the resulting value and tb? |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 285 | */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 286 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 287 | _PyErr_NormalizeException(PyThreadState *tstate, PyObject **exc, |
| 288 | PyObject **val, PyObject **tb) |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 289 | { |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 290 | int recursion_depth = 0; |
| 291 | PyObject *type, *value, *initial_tb; |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 292 | |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 293 | restart: |
| 294 | type = *exc; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 295 | if (type == NULL) { |
| 296 | /* There was no exception, so nothing to do. */ |
| 297 | return; |
| 298 | } |
Guido van Rossum | ed473a4 | 2000-08-07 19:18:27 +0000 | [diff] [blame] | 299 | |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 300 | value = *val; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 301 | /* If PyErr_SetNone() was used, the value will have been actually |
| 302 | set to NULL. |
| 303 | */ |
| 304 | if (!value) { |
| 305 | value = Py_None; |
| 306 | Py_INCREF(value); |
| 307 | } |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 308 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 309 | /* Normalize the exception so that if the type is a class, the |
| 310 | value will be an instance. |
| 311 | */ |
| 312 | if (PyExceptionClass_Check(type)) { |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 313 | PyObject *inclass = NULL; |
| 314 | int is_subclass = 0; |
Victor Stinner | 74a7fa6 | 2013-07-17 00:44:53 +0200 | [diff] [blame] | 315 | |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 316 | if (PyExceptionInstance_Check(value)) { |
| 317 | inclass = PyExceptionInstance_Class(value); |
| 318 | is_subclass = PyObject_IsSubclass(inclass, type); |
| 319 | if (is_subclass < 0) { |
| 320 | goto error; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | /* If the value was not an instance, or is not an instance |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 325 | whose class is (or is derived from) type, then use the |
| 326 | value as an argument to instantiation of the type |
| 327 | class. |
| 328 | */ |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 329 | if (!is_subclass) { |
| 330 | PyObject *fixed_value = _PyErr_CreateException(type, value); |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 331 | if (fixed_value == NULL) { |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 332 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 333 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 334 | Py_DECREF(value); |
Victor Stinner | 3a84097 | 2016-08-22 23:59:08 +0200 | [diff] [blame] | 335 | value = fixed_value; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 336 | } |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 337 | /* If the class of the instance doesn't exactly match the |
| 338 | class of the type, believe the instance. |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 339 | */ |
| 340 | else if (inclass != type) { |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 341 | Py_INCREF(inclass); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 342 | Py_DECREF(type); |
| 343 | type = inclass; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 344 | } |
| 345 | } |
| 346 | *exc = type; |
| 347 | *val = value; |
| 348 | return; |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 349 | |
| 350 | error: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 351 | Py_DECREF(type); |
| 352 | Py_DECREF(value); |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 353 | recursion_depth++; |
| 354 | if (recursion_depth == Py_NORMALIZE_RECURSION_LIMIT) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 355 | _PyErr_SetString(tstate, PyExc_RecursionError, |
| 356 | "maximum recursion depth exceeded " |
| 357 | "while normalizing an exception"); |
xdegaye | 56d1f5c | 2017-10-26 15:09:06 +0200 | [diff] [blame] | 358 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 359 | /* If the new exception doesn't set a traceback and the old |
| 360 | exception had a traceback, use the old traceback for the |
| 361 | new exception. It's better than nothing. |
| 362 | */ |
| 363 | initial_tb = *tb; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 364 | _PyErr_Fetch(tstate, exc, val, tb); |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 365 | assert(*exc != NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 366 | if (initial_tb != NULL) { |
| 367 | if (*tb == NULL) |
| 368 | *tb = initial_tb; |
| 369 | else |
| 370 | Py_DECREF(initial_tb); |
| 371 | } |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 372 | /* Abort when Py_NORMALIZE_RECURSION_LIMIT has been exceeded, and the |
| 373 | corresponding RecursionError could not be normalized, and the |
| 374 | MemoryError raised when normalize this RecursionError could not be |
| 375 | normalized. */ |
| 376 | if (recursion_depth >= Py_NORMALIZE_RECURSION_LIMIT + 2) { |
xdegaye | 56d1f5c | 2017-10-26 15:09:06 +0200 | [diff] [blame] | 377 | if (PyErr_GivenExceptionMatches(*exc, PyExc_MemoryError)) { |
| 378 | Py_FatalError("Cannot recover from MemoryErrors " |
| 379 | "while normalizing exceptions."); |
| 380 | } |
| 381 | else { |
| 382 | Py_FatalError("Cannot recover from the recursive normalization " |
| 383 | "of an exception."); |
| 384 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 385 | } |
Serhiy Storchaka | cf29653 | 2017-11-05 11:27:48 +0200 | [diff] [blame] | 386 | goto restart; |
Barry Warsaw | c0dc92a | 1997-08-22 21:22:58 +0000 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 390 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 391 | PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 392 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 393 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 394 | _PyErr_NormalizeException(tstate, exc, val, tb); |
| 395 | } |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 396 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 397 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 398 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 399 | _PyErr_Fetch(PyThreadState *tstate, PyObject **p_type, PyObject **p_value, |
| 400 | PyObject **p_traceback) |
| 401 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 402 | *p_type = tstate->curexc_type; |
| 403 | *p_value = tstate->curexc_value; |
| 404 | *p_traceback = tstate->curexc_traceback; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 405 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 406 | tstate->curexc_type = NULL; |
| 407 | tstate->curexc_value = NULL; |
| 408 | tstate->curexc_traceback = NULL; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 411 | |
| 412 | void |
| 413 | PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback) |
| 414 | { |
| 415 | PyThreadState *tstate = _PyThreadState_GET(); |
| 416 | _PyErr_Fetch(tstate, p_type, p_value, p_traceback); |
| 417 | } |
| 418 | |
| 419 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 420 | void |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 421 | _PyErr_Clear(PyThreadState *tstate) |
| 422 | { |
| 423 | _PyErr_Restore(tstate, NULL, NULL, NULL); |
| 424 | } |
| 425 | |
| 426 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 427 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 428 | PyErr_Clear(void) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 429 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 430 | PyThreadState *tstate = _PyThreadState_GET(); |
| 431 | _PyErr_Clear(tstate); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 432 | } |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 433 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 434 | |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 435 | void |
Julien Danjou | 3430c55 | 2020-01-13 17:30:14 +0100 | [diff] [blame] | 436 | _PyErr_GetExcInfo(PyThreadState *tstate, |
| 437 | PyObject **p_type, PyObject **p_value, PyObject **p_traceback) |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 438 | { |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 439 | _PyErr_StackItem *exc_info = _PyErr_GetTopmostException(tstate); |
| 440 | *p_type = exc_info->exc_type; |
| 441 | *p_value = exc_info->exc_value; |
| 442 | *p_traceback = exc_info->exc_traceback; |
| 443 | |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 444 | Py_XINCREF(*p_type); |
| 445 | Py_XINCREF(*p_value); |
| 446 | Py_XINCREF(*p_traceback); |
| 447 | } |
| 448 | |
Julien Danjou | 3430c55 | 2020-01-13 17:30:14 +0100 | [diff] [blame] | 449 | |
| 450 | void |
| 451 | PyErr_GetExcInfo(PyObject **p_type, PyObject **p_value, PyObject **p_traceback) |
| 452 | { |
| 453 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 3f12ac1 | 2020-01-15 11:23:25 +0100 | [diff] [blame] | 454 | _PyErr_GetExcInfo(tstate, p_type, p_value, p_traceback); |
Julien Danjou | 3430c55 | 2020-01-13 17:30:14 +0100 | [diff] [blame] | 455 | } |
| 456 | |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 457 | void |
| 458 | PyErr_SetExcInfo(PyObject *p_type, PyObject *p_value, PyObject *p_traceback) |
| 459 | { |
| 460 | PyObject *oldtype, *oldvalue, *oldtraceback; |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 461 | PyThreadState *tstate = _PyThreadState_GET(); |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 462 | |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 463 | oldtype = tstate->exc_info->exc_type; |
| 464 | oldvalue = tstate->exc_info->exc_value; |
| 465 | oldtraceback = tstate->exc_info->exc_traceback; |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 466 | |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 467 | tstate->exc_info->exc_type = p_type; |
| 468 | tstate->exc_info->exc_value = p_value; |
| 469 | tstate->exc_info->exc_traceback = p_traceback; |
Martin v. Löwis | aa2efcb | 2012-04-19 14:33:43 +0200 | [diff] [blame] | 470 | |
| 471 | Py_XDECREF(oldtype); |
| 472 | Py_XDECREF(oldvalue); |
| 473 | Py_XDECREF(oldtraceback); |
| 474 | } |
| 475 | |
Serhiy Storchaka | e2bd2a7 | 2014-10-08 22:31:52 +0300 | [diff] [blame] | 476 | /* Like PyErr_Restore(), but if an exception is already set, |
| 477 | set the context associated with it. |
| 478 | */ |
| 479 | void |
| 480 | _PyErr_ChainExceptions(PyObject *exc, PyObject *val, PyObject *tb) |
| 481 | { |
| 482 | if (exc == NULL) |
| 483 | return; |
| 484 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 485 | PyThreadState *tstate = _PyThreadState_GET(); |
| 486 | if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | e2bd2a7 | 2014-10-08 22:31:52 +0300 | [diff] [blame] | 487 | PyObject *exc2, *val2, *tb2; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 488 | _PyErr_Fetch(tstate, &exc2, &val2, &tb2); |
| 489 | _PyErr_NormalizeException(tstate, &exc, &val, &tb); |
Serhiy Storchaka | 9e373be | 2016-10-21 16:19:59 +0300 | [diff] [blame] | 490 | if (tb != NULL) { |
| 491 | PyException_SetTraceback(val, tb); |
| 492 | Py_DECREF(tb); |
| 493 | } |
Serhiy Storchaka | e2bd2a7 | 2014-10-08 22:31:52 +0300 | [diff] [blame] | 494 | Py_DECREF(exc); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 495 | _PyErr_NormalizeException(tstate, &exc2, &val2, &tb2); |
Serhiy Storchaka | e2bd2a7 | 2014-10-08 22:31:52 +0300 | [diff] [blame] | 496 | PyException_SetContext(val2, val); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 497 | _PyErr_Restore(tstate, exc2, val2, tb2); |
Serhiy Storchaka | e2bd2a7 | 2014-10-08 22:31:52 +0300 | [diff] [blame] | 498 | } |
| 499 | else { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 500 | _PyErr_Restore(tstate, exc, val, tb); |
Serhiy Storchaka | e2bd2a7 | 2014-10-08 22:31:52 +0300 | [diff] [blame] | 501 | } |
| 502 | } |
| 503 | |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 504 | static PyObject * |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 505 | _PyErr_FormatVFromCause(PyThreadState *tstate, PyObject *exception, |
| 506 | const char *format, va_list vargs) |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 507 | { |
| 508 | PyObject *exc, *val, *val2, *tb; |
| 509 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 510 | assert(_PyErr_Occurred(tstate)); |
| 511 | _PyErr_Fetch(tstate, &exc, &val, &tb); |
| 512 | _PyErr_NormalizeException(tstate, &exc, &val, &tb); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 513 | if (tb != NULL) { |
| 514 | PyException_SetTraceback(val, tb); |
| 515 | Py_DECREF(tb); |
| 516 | } |
| 517 | Py_DECREF(exc); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 518 | assert(!_PyErr_Occurred(tstate)); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 519 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 520 | _PyErr_FormatV(tstate, exception, format, vargs); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 521 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 522 | _PyErr_Fetch(tstate, &exc, &val2, &tb); |
| 523 | _PyErr_NormalizeException(tstate, &exc, &val2, &tb); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 524 | Py_INCREF(val); |
| 525 | PyException_SetCause(val2, val); |
| 526 | PyException_SetContext(val2, val); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 527 | _PyErr_Restore(tstate, exc, val2, tb); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 528 | |
| 529 | return NULL; |
| 530 | } |
| 531 | |
| 532 | PyObject * |
Victor Stinner | 1726909 | 2019-11-05 01:22:12 +0100 | [diff] [blame] | 533 | _PyErr_FormatFromCauseTstate(PyThreadState *tstate, PyObject *exception, |
| 534 | const char *format, ...) |
| 535 | { |
| 536 | va_list vargs; |
| 537 | #ifdef HAVE_STDARG_PROTOTYPES |
| 538 | va_start(vargs, format); |
| 539 | #else |
| 540 | va_start(vargs); |
| 541 | #endif |
| 542 | _PyErr_FormatVFromCause(tstate, exception, format, vargs); |
| 543 | va_end(vargs); |
| 544 | return NULL; |
| 545 | } |
| 546 | |
| 547 | PyObject * |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 548 | _PyErr_FormatFromCause(PyObject *exception, const char *format, ...) |
| 549 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 550 | PyThreadState *tstate = _PyThreadState_GET(); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 551 | va_list vargs; |
| 552 | #ifdef HAVE_STDARG_PROTOTYPES |
| 553 | va_start(vargs, format); |
| 554 | #else |
| 555 | va_start(vargs); |
| 556 | #endif |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 557 | _PyErr_FormatVFromCause(tstate, exception, format, vargs); |
Serhiy Storchaka | 467ab19 | 2016-10-21 17:09:17 +0300 | [diff] [blame] | 558 | va_end(vargs); |
| 559 | return NULL; |
| 560 | } |
| 561 | |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 562 | /* Convenience functions to set a type error exception and return 0 */ |
| 563 | |
| 564 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 565 | PyErr_BadArgument(void) |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 566 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 567 | PyThreadState *tstate = _PyThreadState_GET(); |
| 568 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 569 | "bad argument type for built-in operation"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 570 | return 0; |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 571 | } |
| 572 | |
Guido van Rossum | 373c869 | 1997-04-29 18:22:47 +0000 | [diff] [blame] | 573 | PyObject * |
Victor Stinner | 838f264 | 2019-06-13 22:41:23 +0200 | [diff] [blame] | 574 | _PyErr_NoMemory(PyThreadState *tstate) |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 575 | { |
Andy Lester | dffe4c0 | 2020-03-04 07:15:20 -0600 | [diff] [blame] | 576 | if (Py_IS_TYPE(PyExc_MemoryError, NULL)) { |
Victor Stinner | f54a574 | 2013-07-22 22:28:37 +0200 | [diff] [blame] | 577 | /* PyErr_NoMemory() has been called before PyExc_MemoryError has been |
| 578 | initialized by _PyExc_Init() */ |
| 579 | Py_FatalError("Out of memory and PyExc_MemoryError is not " |
| 580 | "initialized yet"); |
| 581 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 582 | _PyErr_SetNone(tstate, PyExc_MemoryError); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 583 | return NULL; |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 584 | } |
| 585 | |
Guido van Rossum | 373c869 | 1997-04-29 18:22:47 +0000 | [diff] [blame] | 586 | PyObject * |
Victor Stinner | 838f264 | 2019-06-13 22:41:23 +0200 | [diff] [blame] | 587 | PyErr_NoMemory(void) |
| 588 | { |
| 589 | PyThreadState *tstate = _PyThreadState_GET(); |
| 590 | return _PyErr_NoMemory(tstate); |
| 591 | } |
| 592 | |
| 593 | PyObject * |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 594 | PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject) |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 595 | { |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 596 | return PyErr_SetFromErrnoWithFilenameObjects(exc, filenameObject, NULL); |
| 597 | } |
| 598 | |
| 599 | PyObject * |
| 600 | PyErr_SetFromErrnoWithFilenameObjects(PyObject *exc, PyObject *filenameObject, PyObject *filenameObject2) |
| 601 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 602 | PyThreadState *tstate = _PyThreadState_GET(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 603 | PyObject *message; |
Antoine Pitrou | 5d6fbe8 | 2011-10-12 19:39:57 +0200 | [diff] [blame] | 604 | PyObject *v, *args; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 605 | int i = errno; |
Victor Stinner | 1f33f2b | 2011-12-17 04:45:09 +0100 | [diff] [blame] | 606 | #ifdef MS_WINDOWS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 607 | WCHAR *s_buf = NULL; |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 608 | #endif /* Unix/Windows */ |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 609 | |
Guido van Rossum | e9fbc09 | 1995-02-18 14:52:19 +0000 | [diff] [blame] | 610 | #ifdef EINTR |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 611 | if (i == EINTR && PyErr_CheckSignals()) |
| 612 | return NULL; |
Guido van Rossum | e9fbc09 | 1995-02-18 14:52:19 +0000 | [diff] [blame] | 613 | #endif |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 614 | |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 615 | #ifndef MS_WINDOWS |
Victor Stinner | 1f33f2b | 2011-12-17 04:45:09 +0100 | [diff] [blame] | 616 | if (i != 0) { |
Andy Lester | 7386a70 | 2020-02-13 22:42:56 -0600 | [diff] [blame] | 617 | const char *s = strerror(i); |
Victor Stinner | 1b57967 | 2011-12-17 05:47:23 +0100 | [diff] [blame] | 618 | message = PyUnicode_DecodeLocale(s, "surrogateescape"); |
Victor Stinner | 1f33f2b | 2011-12-17 04:45:09 +0100 | [diff] [blame] | 619 | } |
| 620 | else { |
| 621 | /* Sometimes errno didn't get set */ |
| 622 | message = PyUnicode_FromString("Error"); |
| 623 | } |
Guido van Rossum | 743007d | 1999-04-21 15:27:31 +0000 | [diff] [blame] | 624 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 625 | if (i == 0) |
| 626 | message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */ |
| 627 | else |
| 628 | { |
| 629 | /* Note that the Win32 errors do not lineup with the |
| 630 | errno error. So if the error is in the MSVC error |
| 631 | table, we use it, otherwise we assume it really _is_ |
| 632 | a Win32 error code |
| 633 | */ |
| 634 | if (i > 0 && i < _sys_nerr) { |
| 635 | message = PyUnicode_FromString(_sys_errlist[i]); |
| 636 | } |
| 637 | else { |
| 638 | int len = FormatMessageW( |
| 639 | FORMAT_MESSAGE_ALLOCATE_BUFFER | |
| 640 | FORMAT_MESSAGE_FROM_SYSTEM | |
| 641 | FORMAT_MESSAGE_IGNORE_INSERTS, |
| 642 | NULL, /* no message source */ |
| 643 | i, |
| 644 | MAKELANGID(LANG_NEUTRAL, |
| 645 | SUBLANG_DEFAULT), |
| 646 | /* Default language */ |
| 647 | (LPWSTR) &s_buf, |
| 648 | 0, /* size not used */ |
| 649 | NULL); /* no args */ |
| 650 | if (len==0) { |
| 651 | /* Only ever seen this in out-of-mem |
| 652 | situations */ |
| 653 | s_buf = NULL; |
Serhiy Storchaka | f41f8f9 | 2015-04-02 09:47:27 +0300 | [diff] [blame] | 654 | message = PyUnicode_FromFormat("Windows Error 0x%x", i); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 655 | } else { |
| 656 | /* remove trailing cr/lf and dots */ |
| 657 | while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.')) |
| 658 | s_buf[--len] = L'\0'; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 659 | message = PyUnicode_FromWideChar(s_buf, len); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 660 | } |
| 661 | } |
| 662 | } |
Martin v. Löwis | 3484a18 | 2002-03-09 12:07:51 +0000 | [diff] [blame] | 663 | #endif /* Unix/Windows */ |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 664 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 665 | if (message == NULL) |
| 666 | { |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 667 | #ifdef MS_WINDOWS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 668 | LocalFree(s_buf); |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 669 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 670 | return NULL; |
| 671 | } |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 672 | |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 673 | if (filenameObject != NULL) { |
| 674 | if (filenameObject2 != NULL) |
| 675 | args = Py_BuildValue("(iOOiO)", i, message, filenameObject, 0, filenameObject2); |
| 676 | else |
| 677 | args = Py_BuildValue("(iOO)", i, message, filenameObject); |
| 678 | } else { |
| 679 | assert(filenameObject2 == NULL); |
Antoine Pitrou | 5d6fbe8 | 2011-10-12 19:39:57 +0200 | [diff] [blame] | 680 | args = Py_BuildValue("(iO)", i, message); |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 681 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 682 | Py_DECREF(message); |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 683 | |
Antoine Pitrou | 5d6fbe8 | 2011-10-12 19:39:57 +0200 | [diff] [blame] | 684 | if (args != NULL) { |
| 685 | v = PyObject_Call(exc, args, NULL); |
| 686 | Py_DECREF(args); |
| 687 | if (v != NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 688 | _PyErr_SetObject(tstate, (PyObject *) Py_TYPE(v), v); |
Antoine Pitrou | 5d6fbe8 | 2011-10-12 19:39:57 +0200 | [diff] [blame] | 689 | Py_DECREF(v); |
| 690 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 691 | } |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 692 | #ifdef MS_WINDOWS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 693 | LocalFree(s_buf); |
Guido van Rossum | 743007d | 1999-04-21 15:27:31 +0000 | [diff] [blame] | 694 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 695 | return NULL; |
Guido van Rossum | 7d310eb | 1990-10-14 20:00:05 +0000 | [diff] [blame] | 696 | } |
Guido van Rossum | 743007d | 1999-04-21 15:27:31 +0000 | [diff] [blame] | 697 | |
Barry Warsaw | 97d9515 | 1998-07-23 16:05:56 +0000 | [diff] [blame] | 698 | PyObject * |
Neal Norwitz | b382b84 | 2007-08-24 20:00:37 +0000 | [diff] [blame] | 699 | PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename) |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 700 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 701 | PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL; |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 702 | PyObject *result = PyErr_SetFromErrnoWithFilenameObjects(exc, name, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 703 | Py_XDECREF(name); |
| 704 | return result; |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 705 | } |
| 706 | |
Hirokazu Yamamoto | 8223c24 | 2009-05-17 04:21:53 +0000 | [diff] [blame] | 707 | #ifdef MS_WINDOWS |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 708 | PyObject * |
Neal Norwitz | b382b84 | 2007-08-24 20:00:37 +0000 | [diff] [blame] | 709 | PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename) |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 710 | { |
Serhiy Storchaka | 460bd0d | 2016-11-20 12:16:46 +0200 | [diff] [blame] | 711 | PyObject *name = filename ? PyUnicode_FromWideChar(filename, -1) : NULL; |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 712 | PyObject *result = PyErr_SetFromErrnoWithFilenameObjects(exc, name, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 713 | Py_XDECREF(name); |
| 714 | return result; |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 715 | } |
Hirokazu Yamamoto | 8223c24 | 2009-05-17 04:21:53 +0000 | [diff] [blame] | 716 | #endif /* MS_WINDOWS */ |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 717 | |
| 718 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 719 | PyErr_SetFromErrno(PyObject *exc) |
Barry Warsaw | 97d9515 | 1998-07-23 16:05:56 +0000 | [diff] [blame] | 720 | { |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 721 | return PyErr_SetFromErrnoWithFilenameObjects(exc, NULL, NULL); |
Barry Warsaw | 97d9515 | 1998-07-23 16:05:56 +0000 | [diff] [blame] | 722 | } |
Guido van Rossum | 683a072 | 1990-10-21 22:09:12 +0000 | [diff] [blame] | 723 | |
Brett Cannon | bf36409 | 2006-03-01 04:25:17 +0000 | [diff] [blame] | 724 | #ifdef MS_WINDOWS |
Guido van Rossum | 795e189 | 2000-02-17 15:19:15 +0000 | [diff] [blame] | 725 | /* Windows specific error code handling */ |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 726 | PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject( |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 727 | PyObject *exc, |
| 728 | int ierr, |
| 729 | PyObject *filenameObject) |
Guido van Rossum | 795e189 | 2000-02-17 15:19:15 +0000 | [diff] [blame] | 730 | { |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 731 | return PyErr_SetExcFromWindowsErrWithFilenameObjects(exc, ierr, |
| 732 | filenameObject, NULL); |
| 733 | } |
| 734 | |
| 735 | PyObject *PyErr_SetExcFromWindowsErrWithFilenameObjects( |
| 736 | PyObject *exc, |
| 737 | int ierr, |
| 738 | PyObject *filenameObject, |
| 739 | PyObject *filenameObject2) |
| 740 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 741 | PyThreadState *tstate = _PyThreadState_GET(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 742 | int len; |
| 743 | WCHAR *s_buf = NULL; /* Free via LocalFree */ |
| 744 | PyObject *message; |
Victor Stinner | 9ea8e4c | 2011-10-17 20:18:58 +0200 | [diff] [blame] | 745 | PyObject *args, *v; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 746 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 747 | DWORD err = (DWORD)ierr; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 748 | if (err==0) { |
| 749 | err = GetLastError(); |
| 750 | } |
| 751 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 752 | len = FormatMessageW( |
| 753 | /* Error API error */ |
| 754 | FORMAT_MESSAGE_ALLOCATE_BUFFER | |
| 755 | FORMAT_MESSAGE_FROM_SYSTEM | |
| 756 | FORMAT_MESSAGE_IGNORE_INSERTS, |
| 757 | NULL, /* no message source */ |
| 758 | err, |
| 759 | MAKELANGID(LANG_NEUTRAL, |
| 760 | SUBLANG_DEFAULT), /* Default language */ |
| 761 | (LPWSTR) &s_buf, |
| 762 | 0, /* size not used */ |
| 763 | NULL); /* no args */ |
| 764 | if (len==0) { |
| 765 | /* Only seen this in out of mem situations */ |
Serhiy Storchaka | f41f8f9 | 2015-04-02 09:47:27 +0300 | [diff] [blame] | 766 | message = PyUnicode_FromFormat("Windows Error 0x%x", err); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 767 | s_buf = NULL; |
| 768 | } else { |
| 769 | /* remove trailing cr/lf and dots */ |
| 770 | while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.')) |
| 771 | s_buf[--len] = L'\0'; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 772 | message = PyUnicode_FromWideChar(s_buf, len); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 773 | } |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 774 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 775 | if (message == NULL) |
| 776 | { |
| 777 | LocalFree(s_buf); |
| 778 | return NULL; |
| 779 | } |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 780 | |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 781 | if (filenameObject == NULL) { |
| 782 | assert(filenameObject2 == NULL); |
| 783 | filenameObject = filenameObject2 = Py_None; |
| 784 | } |
| 785 | else if (filenameObject2 == NULL) |
| 786 | filenameObject2 = Py_None; |
| 787 | /* This is the constructor signature for OSError. |
Antoine Pitrou | 6b4883d | 2011-10-12 02:54:14 +0200 | [diff] [blame] | 788 | The POSIX translation will be figured out by the constructor. */ |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 789 | args = Py_BuildValue("(iOOiO)", 0, message, filenameObject, err, filenameObject2); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 790 | Py_DECREF(message); |
Martin v. Löwis | 5d12abe | 2007-09-03 07:40:24 +0000 | [diff] [blame] | 791 | |
Victor Stinner | 9ea8e4c | 2011-10-17 20:18:58 +0200 | [diff] [blame] | 792 | if (args != NULL) { |
| 793 | v = PyObject_Call(exc, args, NULL); |
| 794 | Py_DECREF(args); |
| 795 | if (v != NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 796 | _PyErr_SetObject(tstate, (PyObject *) Py_TYPE(v), v); |
Victor Stinner | 9ea8e4c | 2011-10-17 20:18:58 +0200 | [diff] [blame] | 797 | Py_DECREF(v); |
| 798 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 799 | } |
| 800 | LocalFree(s_buf); |
| 801 | return NULL; |
Guido van Rossum | 795e189 | 2000-02-17 15:19:15 +0000 | [diff] [blame] | 802 | } |
| 803 | |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 804 | PyObject *PyErr_SetExcFromWindowsErrWithFilename( |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 805 | PyObject *exc, |
| 806 | int ierr, |
| 807 | const char *filename) |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 808 | { |
Victor Stinner | 92be939 | 2010-12-28 00:28:21 +0000 | [diff] [blame] | 809 | PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL; |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 810 | PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObjects(exc, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 811 | ierr, |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 812 | name, |
| 813 | NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 814 | Py_XDECREF(name); |
| 815 | return ret; |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 816 | } |
| 817 | |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 818 | PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename( |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 819 | PyObject *exc, |
| 820 | int ierr, |
| 821 | const Py_UNICODE *filename) |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 822 | { |
Serhiy Storchaka | 460bd0d | 2016-11-20 12:16:46 +0200 | [diff] [blame] | 823 | PyObject *name = filename ? PyUnicode_FromWideChar(filename, -1) : NULL; |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 824 | PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObjects(exc, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 825 | ierr, |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 826 | name, |
| 827 | NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 828 | Py_XDECREF(name); |
| 829 | return ret; |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 830 | } |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 831 | |
Thomas Heller | 085358a | 2002-07-29 14:27:41 +0000 | [diff] [blame] | 832 | PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr) |
| 833 | { |
Larry Hastings | 8f9f0f1 | 2014-02-10 03:43:57 -0800 | [diff] [blame] | 834 | return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL); |
Thomas Heller | 085358a | 2002-07-29 14:27:41 +0000 | [diff] [blame] | 835 | } |
| 836 | |
Guido van Rossum | 795e189 | 2000-02-17 15:19:15 +0000 | [diff] [blame] | 837 | PyObject *PyErr_SetFromWindowsErr(int ierr) |
| 838 | { |
Larry Hastings | 8f9f0f1 | 2014-02-10 03:43:57 -0800 | [diff] [blame] | 839 | return PyErr_SetExcFromWindowsErrWithFilename(PyExc_OSError, |
| 840 | ierr, NULL); |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 841 | } |
| 842 | |
Thomas Heller | 085358a | 2002-07-29 14:27:41 +0000 | [diff] [blame] | 843 | PyObject *PyErr_SetFromWindowsErrWithFilename( |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 844 | int ierr, |
| 845 | const char *filename) |
Thomas Heller | 085358a | 2002-07-29 14:27:41 +0000 | [diff] [blame] | 846 | { |
Victor Stinner | 92be939 | 2010-12-28 00:28:21 +0000 | [diff] [blame] | 847 | PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL; |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 848 | PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObjects( |
Andrew Svetlov | 2606a6f | 2012-12-19 14:33:35 +0200 | [diff] [blame] | 849 | PyExc_OSError, |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 850 | ierr, name, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 851 | Py_XDECREF(name); |
| 852 | return result; |
Guido van Rossum | 795e189 | 2000-02-17 15:19:15 +0000 | [diff] [blame] | 853 | } |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 854 | |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 855 | PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename( |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 856 | int ierr, |
| 857 | const Py_UNICODE *filename) |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 858 | { |
Serhiy Storchaka | 460bd0d | 2016-11-20 12:16:46 +0200 | [diff] [blame] | 859 | PyObject *name = filename ? PyUnicode_FromWideChar(filename, -1) : NULL; |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 860 | PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObjects( |
Andrew Svetlov | 2606a6f | 2012-12-19 14:33:35 +0200 | [diff] [blame] | 861 | PyExc_OSError, |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 862 | ierr, name, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 863 | Py_XDECREF(name); |
| 864 | return result; |
Mark Hammond | c2e85bd | 2002-10-03 05:10:39 +0000 | [diff] [blame] | 865 | } |
Guido van Rossum | 795e189 | 2000-02-17 15:19:15 +0000 | [diff] [blame] | 866 | #endif /* MS_WINDOWS */ |
| 867 | |
Brett Cannon | 79ec55e | 2012-04-12 20:24:54 -0400 | [diff] [blame] | 868 | PyObject * |
Eric Snow | 46f97b8 | 2016-09-07 16:56:15 -0700 | [diff] [blame] | 869 | PyErr_SetImportErrorSubclass(PyObject *exception, PyObject *msg, |
| 870 | PyObject *name, PyObject *path) |
Brett Cannon | 79ec55e | 2012-04-12 20:24:54 -0400 | [diff] [blame] | 871 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 872 | PyThreadState *tstate = _PyThreadState_GET(); |
Eric Snow | 46f97b8 | 2016-09-07 16:56:15 -0700 | [diff] [blame] | 873 | int issubclass; |
Victor Stinner | f45a561 | 2016-08-23 00:04:41 +0200 | [diff] [blame] | 874 | PyObject *kwargs, *error; |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 875 | |
Eric Snow | 46f97b8 | 2016-09-07 16:56:15 -0700 | [diff] [blame] | 876 | issubclass = PyObject_IsSubclass(exception, PyExc_ImportError); |
| 877 | if (issubclass < 0) { |
| 878 | return NULL; |
| 879 | } |
| 880 | else if (!issubclass) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 881 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 882 | "expected a subclass of ImportError"); |
Brian Curtin | 94c001b | 2012-04-18 08:30:51 -0500 | [diff] [blame] | 883 | return NULL; |
Victor Stinner | f45a561 | 2016-08-23 00:04:41 +0200 | [diff] [blame] | 884 | } |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 885 | |
Eric Snow | 46f97b8 | 2016-09-07 16:56:15 -0700 | [diff] [blame] | 886 | if (msg == NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 887 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 888 | "expected a message argument"); |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 889 | return NULL; |
Benjamin Peterson | da20cd2 | 2012-04-18 10:48:00 -0400 | [diff] [blame] | 890 | } |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 891 | |
Brian Curtin | 94c001b | 2012-04-18 08:30:51 -0500 | [diff] [blame] | 892 | if (name == NULL) { |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 893 | name = Py_None; |
Brian Curtin | 94c001b | 2012-04-18 08:30:51 -0500 | [diff] [blame] | 894 | } |
Brian Curtin | 94c001b | 2012-04-18 08:30:51 -0500 | [diff] [blame] | 895 | if (path == NULL) { |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 896 | path = Py_None; |
Brian Curtin | 94c001b | 2012-04-18 08:30:51 -0500 | [diff] [blame] | 897 | } |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 898 | |
Eric Snow | 46f97b8 | 2016-09-07 16:56:15 -0700 | [diff] [blame] | 899 | kwargs = PyDict_New(); |
| 900 | if (kwargs == NULL) { |
| 901 | return NULL; |
| 902 | } |
Victor Stinner | f45a561 | 2016-08-23 00:04:41 +0200 | [diff] [blame] | 903 | if (PyDict_SetItemString(kwargs, "name", name) < 0) { |
Berker Peksag | ec766d3 | 2016-05-01 09:06:36 +0300 | [diff] [blame] | 904 | goto done; |
Victor Stinner | f45a561 | 2016-08-23 00:04:41 +0200 | [diff] [blame] | 905 | } |
| 906 | if (PyDict_SetItemString(kwargs, "path", path) < 0) { |
Berker Peksag | ec766d3 | 2016-05-01 09:06:36 +0300 | [diff] [blame] | 907 | goto done; |
Victor Stinner | f45a561 | 2016-08-23 00:04:41 +0200 | [diff] [blame] | 908 | } |
Brett Cannon | 79ec55e | 2012-04-12 20:24:54 -0400 | [diff] [blame] | 909 | |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 910 | error = PyObject_VectorcallDict(exception, &msg, 1, kwargs); |
Benjamin Peterson | da20cd2 | 2012-04-18 10:48:00 -0400 | [diff] [blame] | 911 | if (error != NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 912 | _PyErr_SetObject(tstate, (PyObject *)Py_TYPE(error), error); |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 913 | Py_DECREF(error); |
Brett Cannon | 79ec55e | 2012-04-12 20:24:54 -0400 | [diff] [blame] | 914 | } |
| 915 | |
Berker Peksag | ec766d3 | 2016-05-01 09:06:36 +0300 | [diff] [blame] | 916 | done: |
Brett Cannon | 79ec55e | 2012-04-12 20:24:54 -0400 | [diff] [blame] | 917 | Py_DECREF(kwargs); |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 918 | return NULL; |
Brett Cannon | 79ec55e | 2012-04-12 20:24:54 -0400 | [diff] [blame] | 919 | } |
| 920 | |
Eric Snow | 46f97b8 | 2016-09-07 16:56:15 -0700 | [diff] [blame] | 921 | PyObject * |
| 922 | PyErr_SetImportError(PyObject *msg, PyObject *name, PyObject *path) |
| 923 | { |
| 924 | return PyErr_SetImportErrorSubclass(PyExc_ImportError, msg, name, path); |
| 925 | } |
| 926 | |
Guido van Rossum | 683a072 | 1990-10-21 22:09:12 +0000 | [diff] [blame] | 927 | void |
Neal Norwitz | b382b84 | 2007-08-24 20:00:37 +0000 | [diff] [blame] | 928 | _PyErr_BadInternalCall(const char *filename, int lineno) |
Fred Drake | 6d63adf | 2000-08-24 22:38:39 +0000 | [diff] [blame] | 929 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 930 | PyThreadState *tstate = _PyThreadState_GET(); |
| 931 | _PyErr_Format(tstate, PyExc_SystemError, |
| 932 | "%s:%d: bad argument to internal function", |
| 933 | filename, lineno); |
Fred Drake | 6d63adf | 2000-08-24 22:38:39 +0000 | [diff] [blame] | 934 | } |
| 935 | |
| 936 | /* Remove the preprocessor macro for PyErr_BadInternalCall() so that we can |
| 937 | export the entry point for existing object code: */ |
| 938 | #undef PyErr_BadInternalCall |
| 939 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 940 | PyErr_BadInternalCall(void) |
Guido van Rossum | 683a072 | 1990-10-21 22:09:12 +0000 | [diff] [blame] | 941 | { |
Victor Stinner | fb3a630 | 2013-07-12 00:37:30 +0200 | [diff] [blame] | 942 | assert(0 && "bad argument to internal function"); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 943 | PyThreadState *tstate = _PyThreadState_GET(); |
| 944 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 945 | "bad argument to internal function"); |
Guido van Rossum | 683a072 | 1990-10-21 22:09:12 +0000 | [diff] [blame] | 946 | } |
Fred Drake | 6d63adf | 2000-08-24 22:38:39 +0000 | [diff] [blame] | 947 | #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__) |
| 948 | |
Guido van Rossum | 1548bac | 1997-02-14 17:09:47 +0000 | [diff] [blame] | 949 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 950 | static PyObject * |
| 951 | _PyErr_FormatV(PyThreadState *tstate, PyObject *exception, |
| 952 | const char *format, va_list vargs) |
Guido van Rossum | 1548bac | 1997-02-14 17:09:47 +0000 | [diff] [blame] | 953 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 954 | PyObject* string; |
Guido van Rossum | 1548bac | 1997-02-14 17:09:47 +0000 | [diff] [blame] | 955 | |
Victor Stinner | de821be | 2015-03-24 12:41:23 +0100 | [diff] [blame] | 956 | /* Issue #23571: PyUnicode_FromFormatV() must not be called with an |
| 957 | exception set, it calls arbitrary Python code like PyObject_Repr() */ |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 958 | _PyErr_Clear(tstate); |
Victor Stinner | ace47d7 | 2013-07-18 01:41:08 +0200 | [diff] [blame] | 959 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 960 | string = PyUnicode_FromFormatV(format, vargs); |
Victor Stinner | de821be | 2015-03-24 12:41:23 +0100 | [diff] [blame] | 961 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 962 | _PyErr_SetObject(tstate, exception, string); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 963 | Py_XDECREF(string); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 964 | return NULL; |
Guido van Rossum | 1548bac | 1997-02-14 17:09:47 +0000 | [diff] [blame] | 965 | } |
Guido van Rossum | 7617e05 | 1997-09-16 18:43:50 +0000 | [diff] [blame] | 966 | |
| 967 | |
Antoine Pitrou | 0676a40 | 2014-09-30 21:16:27 +0200 | [diff] [blame] | 968 | PyObject * |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 969 | PyErr_FormatV(PyObject *exception, const char *format, va_list vargs) |
| 970 | { |
| 971 | PyThreadState *tstate = _PyThreadState_GET(); |
| 972 | return _PyErr_FormatV(tstate, exception, format, vargs); |
| 973 | } |
| 974 | |
| 975 | |
| 976 | PyObject * |
| 977 | _PyErr_Format(PyThreadState *tstate, PyObject *exception, |
| 978 | const char *format, ...) |
Antoine Pitrou | 0676a40 | 2014-09-30 21:16:27 +0200 | [diff] [blame] | 979 | { |
| 980 | va_list vargs; |
| 981 | #ifdef HAVE_STDARG_PROTOTYPES |
| 982 | va_start(vargs, format); |
| 983 | #else |
| 984 | va_start(vargs); |
| 985 | #endif |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 986 | _PyErr_FormatV(tstate, exception, format, vargs); |
| 987 | va_end(vargs); |
| 988 | return NULL; |
| 989 | } |
| 990 | |
| 991 | |
| 992 | PyObject * |
| 993 | PyErr_Format(PyObject *exception, const char *format, ...) |
| 994 | { |
| 995 | PyThreadState *tstate = _PyThreadState_GET(); |
| 996 | va_list vargs; |
| 997 | #ifdef HAVE_STDARG_PROTOTYPES |
| 998 | va_start(vargs, format); |
| 999 | #else |
| 1000 | va_start(vargs); |
| 1001 | #endif |
| 1002 | _PyErr_FormatV(tstate, exception, format, vargs); |
Antoine Pitrou | 0676a40 | 2014-09-30 21:16:27 +0200 | [diff] [blame] | 1003 | va_end(vargs); |
| 1004 | return NULL; |
| 1005 | } |
| 1006 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 1007 | |
Guido van Rossum | 7617e05 | 1997-09-16 18:43:50 +0000 | [diff] [blame] | 1008 | PyObject * |
Neal Norwitz | b382b84 | 2007-08-24 20:00:37 +0000 | [diff] [blame] | 1009 | PyErr_NewException(const char *name, PyObject *base, PyObject *dict) |
Guido van Rossum | 7617e05 | 1997-09-16 18:43:50 +0000 | [diff] [blame] | 1010 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1011 | PyThreadState *tstate = _PyThreadState_GET(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1012 | PyObject *modulename = NULL; |
| 1013 | PyObject *classname = NULL; |
| 1014 | PyObject *mydict = NULL; |
| 1015 | PyObject *bases = NULL; |
| 1016 | PyObject *result = NULL; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1017 | |
| 1018 | const char *dot = strrchr(name, '.'); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1019 | if (dot == NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1020 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 1021 | "PyErr_NewException: name must be module.class"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1022 | return NULL; |
| 1023 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1024 | if (base == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1025 | base = PyExc_Exception; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1026 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1027 | if (dict == NULL) { |
| 1028 | dict = mydict = PyDict_New(); |
| 1029 | if (dict == NULL) |
| 1030 | goto failure; |
| 1031 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1032 | |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 1033 | if (_PyDict_GetItemIdWithError(dict, &PyId___module__) == NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1034 | if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 1035 | goto failure; |
| 1036 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1037 | modulename = PyUnicode_FromStringAndSize(name, |
| 1038 | (Py_ssize_t)(dot-name)); |
| 1039 | if (modulename == NULL) |
| 1040 | goto failure; |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 1041 | if (_PyDict_SetItemId(dict, &PyId___module__, modulename) != 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1042 | goto failure; |
| 1043 | } |
| 1044 | if (PyTuple_Check(base)) { |
| 1045 | bases = base; |
| 1046 | /* INCREF as we create a new ref in the else branch */ |
| 1047 | Py_INCREF(bases); |
| 1048 | } else { |
| 1049 | bases = PyTuple_Pack(1, base); |
| 1050 | if (bases == NULL) |
| 1051 | goto failure; |
| 1052 | } |
Florent Xicluna | aa6c1d2 | 2011-12-12 18:54:29 +0100 | [diff] [blame] | 1053 | /* Create a real class. */ |
Victor Stinner | 7eeb5b5 | 2010-06-07 19:57:46 +0000 | [diff] [blame] | 1054 | result = PyObject_CallFunction((PyObject *)&PyType_Type, "sOO", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1055 | dot+1, bases, dict); |
Guido van Rossum | 7617e05 | 1997-09-16 18:43:50 +0000 | [diff] [blame] | 1056 | failure: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1057 | Py_XDECREF(bases); |
| 1058 | Py_XDECREF(mydict); |
| 1059 | Py_XDECREF(classname); |
| 1060 | Py_XDECREF(modulename); |
| 1061 | return result; |
Guido van Rossum | 7617e05 | 1997-09-16 18:43:50 +0000 | [diff] [blame] | 1062 | } |
Jeremy Hylton | b709df3 | 2000-09-01 02:47:25 +0000 | [diff] [blame] | 1063 | |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1064 | |
| 1065 | /* Create an exception with docstring */ |
| 1066 | PyObject * |
| 1067 | PyErr_NewExceptionWithDoc(const char *name, const char *doc, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1068 | PyObject *base, PyObject *dict) |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1069 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1070 | int result; |
| 1071 | PyObject *ret = NULL; |
| 1072 | PyObject *mydict = NULL; /* points to the dict only if we create it */ |
| 1073 | PyObject *docobj; |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1074 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1075 | if (dict == NULL) { |
| 1076 | dict = mydict = PyDict_New(); |
| 1077 | if (dict == NULL) { |
| 1078 | return NULL; |
| 1079 | } |
| 1080 | } |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1081 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1082 | if (doc != NULL) { |
| 1083 | docobj = PyUnicode_FromString(doc); |
| 1084 | if (docobj == NULL) |
| 1085 | goto failure; |
| 1086 | result = PyDict_SetItemString(dict, "__doc__", docobj); |
| 1087 | Py_DECREF(docobj); |
| 1088 | if (result < 0) |
| 1089 | goto failure; |
| 1090 | } |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1091 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1092 | ret = PyErr_NewException(name, base, dict); |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1093 | failure: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1094 | Py_XDECREF(mydict); |
| 1095 | return ret; |
Georg Brandl | 1e28a27 | 2009-12-28 08:41:01 +0000 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1099 | PyDoc_STRVAR(UnraisableHookArgs__doc__, |
| 1100 | "UnraisableHookArgs\n\ |
| 1101 | \n\ |
| 1102 | Type used to pass arguments to sys.unraisablehook."); |
| 1103 | |
| 1104 | static PyTypeObject UnraisableHookArgsType; |
| 1105 | |
| 1106 | static PyStructSequence_Field UnraisableHookArgs_fields[] = { |
| 1107 | {"exc_type", "Exception type"}, |
| 1108 | {"exc_value", "Exception value"}, |
| 1109 | {"exc_traceback", "Exception traceback"}, |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1110 | {"err_msg", "Error message"}, |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1111 | {"object", "Object causing the exception"}, |
| 1112 | {0} |
| 1113 | }; |
| 1114 | |
| 1115 | static PyStructSequence_Desc UnraisableHookArgs_desc = { |
| 1116 | .name = "UnraisableHookArgs", |
| 1117 | .doc = UnraisableHookArgs__doc__, |
| 1118 | .fields = UnraisableHookArgs_fields, |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1119 | .n_in_sequence = 5 |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1120 | }; |
| 1121 | |
| 1122 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 1123 | PyStatus |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1124 | _PyErr_Init(void) |
Jeremy Hylton | b709df3 | 2000-09-01 02:47:25 +0000 | [diff] [blame] | 1125 | { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1126 | if (UnraisableHookArgsType.tp_name == NULL) { |
| 1127 | if (PyStructSequence_InitType2(&UnraisableHookArgsType, |
| 1128 | &UnraisableHookArgs_desc) < 0) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 1129 | return _PyStatus_ERR("failed to initialize UnraisableHookArgs type"); |
Martin Panter | 3263f68 | 2016-02-28 03:16:11 +0000 | [diff] [blame] | 1130 | } |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1131 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 1132 | return _PyStatus_OK(); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1133 | } |
| 1134 | |
| 1135 | |
| 1136 | static PyObject * |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1137 | make_unraisable_hook_args(PyThreadState *tstate, PyObject *exc_type, |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1138 | PyObject *exc_value, PyObject *exc_tb, |
| 1139 | PyObject *err_msg, PyObject *obj) |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1140 | { |
| 1141 | PyObject *args = PyStructSequence_New(&UnraisableHookArgsType); |
| 1142 | if (args == NULL) { |
| 1143 | return NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1144 | } |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1145 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1146 | Py_ssize_t pos = 0; |
| 1147 | #define ADD_ITEM(exc_type) \ |
| 1148 | do { \ |
| 1149 | if (exc_type == NULL) { \ |
| 1150 | exc_type = Py_None; \ |
| 1151 | } \ |
| 1152 | Py_INCREF(exc_type); \ |
| 1153 | PyStructSequence_SET_ITEM(args, pos++, exc_type); \ |
| 1154 | } while (0) |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1155 | |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1156 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1157 | ADD_ITEM(exc_type); |
| 1158 | ADD_ITEM(exc_value); |
| 1159 | ADD_ITEM(exc_tb); |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1160 | ADD_ITEM(err_msg); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1161 | ADD_ITEM(obj); |
| 1162 | #undef ADD_ITEM |
| 1163 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1164 | if (_PyErr_Occurred(tstate)) { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1165 | Py_DECREF(args); |
| 1166 | return NULL; |
| 1167 | } |
| 1168 | return args; |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | |
| 1173 | /* Default implementation of sys.unraisablehook. |
| 1174 | |
| 1175 | It can be called to log the exception of a custom sys.unraisablehook. |
| 1176 | |
| 1177 | Do nothing if sys.stderr attribute doesn't exist or is set to None. */ |
| 1178 | static int |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1179 | write_unraisable_exc_file(PyThreadState *tstate, PyObject *exc_type, |
| 1180 | PyObject *exc_value, PyObject *exc_tb, |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1181 | PyObject *err_msg, PyObject *obj, PyObject *file) |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1182 | { |
| 1183 | if (obj != NULL && obj != Py_None) { |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1184 | if (err_msg != NULL && err_msg != Py_None) { |
| 1185 | if (PyFile_WriteObject(err_msg, file, Py_PRINT_RAW) < 0) { |
| 1186 | return -1; |
| 1187 | } |
| 1188 | if (PyFile_WriteString(": ", file) < 0) { |
| 1189 | return -1; |
| 1190 | } |
| 1191 | } |
| 1192 | else { |
| 1193 | if (PyFile_WriteString("Exception ignored in: ", file) < 0) { |
| 1194 | return -1; |
| 1195 | } |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1196 | } |
| 1197 | |
| 1198 | if (PyFile_WriteObject(obj, file, 0) < 0) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1199 | _PyErr_Clear(tstate); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1200 | if (PyFile_WriteString("<object repr() failed>", file) < 0) { |
| 1201 | return -1; |
| 1202 | } |
| 1203 | } |
| 1204 | if (PyFile_WriteString("\n", file) < 0) { |
| 1205 | return -1; |
| 1206 | } |
| 1207 | } |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1208 | else if (err_msg != NULL && err_msg != Py_None) { |
| 1209 | if (PyFile_WriteObject(err_msg, file, Py_PRINT_RAW) < 0) { |
| 1210 | return -1; |
| 1211 | } |
| 1212 | if (PyFile_WriteString(":\n", file) < 0) { |
| 1213 | return -1; |
| 1214 | } |
| 1215 | } |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1216 | |
| 1217 | if (exc_tb != NULL && exc_tb != Py_None) { |
| 1218 | if (PyTraceBack_Print(exc_tb, file) < 0) { |
| 1219 | /* continue even if writing the traceback failed */ |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1220 | _PyErr_Clear(tstate); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1221 | } |
| 1222 | } |
| 1223 | |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1224 | if (exc_type == NULL || exc_type == Py_None) { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1225 | return -1; |
| 1226 | } |
| 1227 | |
| 1228 | assert(PyExceptionClass_Check(exc_type)); |
| 1229 | const char *className = PyExceptionClass_Name(exc_type); |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1230 | if (className != NULL) { |
Serhiy Storchaka | ceeef10 | 2018-06-15 11:09:43 +0300 | [diff] [blame] | 1231 | const char *dot = strrchr(className, '.'); |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1232 | if (dot != NULL) { |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1233 | className = dot+1; |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1234 | } |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1235 | } |
| 1236 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1237 | PyObject *moduleName = _PyObject_GetAttrId(exc_type, &PyId___module__); |
Oren Milman | f6e61df | 2017-09-14 01:30:05 +0300 | [diff] [blame] | 1238 | if (moduleName == NULL || !PyUnicode_Check(moduleName)) { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1239 | Py_XDECREF(moduleName); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1240 | _PyErr_Clear(tstate); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1241 | if (PyFile_WriteString("<unknown>", file) < 0) { |
| 1242 | return -1; |
| 1243 | } |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1244 | } |
| 1245 | else { |
Serhiy Storchaka | f5894dd | 2016-11-16 15:40:39 +0200 | [diff] [blame] | 1246 | if (!_PyUnicode_EqualToASCIIId(moduleName, &PyId_builtins)) { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1247 | if (PyFile_WriteObject(moduleName, file, Py_PRINT_RAW) < 0) { |
| 1248 | Py_DECREF(moduleName); |
| 1249 | return -1; |
| 1250 | } |
| 1251 | Py_DECREF(moduleName); |
| 1252 | if (PyFile_WriteString(".", file) < 0) { |
| 1253 | return -1; |
| 1254 | } |
| 1255 | } |
| 1256 | else { |
| 1257 | Py_DECREF(moduleName); |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1258 | } |
| 1259 | } |
| 1260 | if (className == NULL) { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1261 | if (PyFile_WriteString("<unknown>", file) < 0) { |
| 1262 | return -1; |
| 1263 | } |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1264 | } |
| 1265 | else { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1266 | if (PyFile_WriteString(className, file) < 0) { |
| 1267 | return -1; |
| 1268 | } |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1269 | } |
| 1270 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1271 | if (exc_value && exc_value != Py_None) { |
| 1272 | if (PyFile_WriteString(": ", file) < 0) { |
| 1273 | return -1; |
| 1274 | } |
| 1275 | if (PyFile_WriteObject(exc_value, file, Py_PRINT_RAW) < 0) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1276 | _PyErr_Clear(tstate); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1277 | if (PyFile_WriteString("<exception str() failed>", file) < 0) { |
| 1278 | return -1; |
Martin Panter | 3263f68 | 2016-02-28 03:16:11 +0000 | [diff] [blame] | 1279 | } |
| 1280 | } |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1281 | } |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1282 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1283 | if (PyFile_WriteString("\n", file) < 0) { |
| 1284 | return -1; |
| 1285 | } |
Victor Stinner | a85a1d3 | 2019-05-28 16:01:17 +0200 | [diff] [blame] | 1286 | |
| 1287 | /* Explicitly call file.flush() */ |
Jeroen Demeyer | 762f93f | 2019-07-08 10:19:25 +0200 | [diff] [blame] | 1288 | PyObject *res = _PyObject_CallMethodIdNoArgs(file, &PyId_flush); |
Victor Stinner | a85a1d3 | 2019-05-28 16:01:17 +0200 | [diff] [blame] | 1289 | if (!res) { |
| 1290 | return -1; |
| 1291 | } |
| 1292 | Py_DECREF(res); |
| 1293 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1294 | return 0; |
| 1295 | } |
| 1296 | |
| 1297 | |
| 1298 | static int |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1299 | write_unraisable_exc(PyThreadState *tstate, PyObject *exc_type, |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1300 | PyObject *exc_value, PyObject *exc_tb, PyObject *err_msg, |
| 1301 | PyObject *obj) |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1302 | { |
| 1303 | PyObject *file = _PySys_GetObjectId(&PyId_stderr); |
| 1304 | if (file == NULL || file == Py_None) { |
| 1305 | return 0; |
| 1306 | } |
| 1307 | |
| 1308 | /* Hold a strong reference to ensure that sys.stderr doesn't go away |
| 1309 | while we use it */ |
| 1310 | Py_INCREF(file); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1311 | int res = write_unraisable_exc_file(tstate, exc_type, exc_value, exc_tb, |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1312 | err_msg, obj, file); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1313 | Py_DECREF(file); |
| 1314 | |
| 1315 | return res; |
| 1316 | } |
| 1317 | |
| 1318 | |
| 1319 | PyObject* |
| 1320 | _PyErr_WriteUnraisableDefaultHook(PyObject *args) |
| 1321 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1322 | PyThreadState *tstate = _PyThreadState_GET(); |
| 1323 | |
Andy Lester | 5572870 | 2020-03-06 16:53:17 -0600 | [diff] [blame] | 1324 | if (!Py_IS_TYPE(args, &UnraisableHookArgsType)) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1325 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 1326 | "sys.unraisablehook argument type " |
| 1327 | "must be UnraisableHookArgs"); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1328 | return NULL; |
| 1329 | } |
| 1330 | |
| 1331 | /* Borrowed references */ |
| 1332 | PyObject *exc_type = PyStructSequence_GET_ITEM(args, 0); |
| 1333 | PyObject *exc_value = PyStructSequence_GET_ITEM(args, 1); |
| 1334 | PyObject *exc_tb = PyStructSequence_GET_ITEM(args, 2); |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1335 | PyObject *err_msg = PyStructSequence_GET_ITEM(args, 3); |
| 1336 | PyObject *obj = PyStructSequence_GET_ITEM(args, 4); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1337 | |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1338 | if (write_unraisable_exc(tstate, exc_type, exc_value, exc_tb, err_msg, obj) < 0) { |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1339 | return NULL; |
| 1340 | } |
| 1341 | Py_RETURN_NONE; |
| 1342 | } |
| 1343 | |
| 1344 | |
| 1345 | /* Call sys.unraisablehook(). |
| 1346 | |
| 1347 | This function can be used when an exception has occurred but there is no way |
| 1348 | for Python to handle it. For example, when a destructor raises an exception |
| 1349 | or during garbage collection (gc.collect()). |
| 1350 | |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1351 | If err_msg_str is non-NULL, the error message is formatted as: |
| 1352 | "Exception ignored %s" % err_msg_str. Otherwise, use "Exception ignored in" |
| 1353 | error message. |
| 1354 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1355 | An exception must be set when calling this function. */ |
| 1356 | void |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1357 | _PyErr_WriteUnraisableMsg(const char *err_msg_str, PyObject *obj) |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1358 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1359 | PyThreadState *tstate = _PyThreadState_GET(); |
| 1360 | assert(tstate != NULL); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1361 | |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1362 | PyObject *err_msg = NULL; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1363 | PyObject *exc_type, *exc_value, *exc_tb; |
| 1364 | _PyErr_Fetch(tstate, &exc_type, &exc_value, &exc_tb); |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1365 | |
| 1366 | assert(exc_type != NULL); |
| 1367 | |
| 1368 | if (exc_type == NULL) { |
| 1369 | /* sys.unraisablehook requires that at least exc_type is set */ |
| 1370 | goto default_hook; |
| 1371 | } |
| 1372 | |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1373 | if (exc_tb == NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1374 | struct _frame *frame = tstate->frame; |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1375 | if (frame != NULL) { |
| 1376 | exc_tb = _PyTraceBack_FromFrame(NULL, frame); |
| 1377 | if (exc_tb == NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1378 | _PyErr_Clear(tstate); |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1379 | } |
| 1380 | } |
| 1381 | } |
| 1382 | |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1383 | _PyErr_NormalizeException(tstate, &exc_type, &exc_value, &exc_tb); |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1384 | |
| 1385 | if (exc_tb != NULL && exc_tb != Py_None && PyTraceBack_Check(exc_tb)) { |
| 1386 | if (PyException_SetTraceback(exc_value, exc_tb) < 0) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1387 | _PyErr_Clear(tstate); |
Victor Stinner | df22c03 | 2019-05-23 01:00:58 +0200 | [diff] [blame] | 1388 | } |
| 1389 | } |
| 1390 | |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1391 | if (err_msg_str != NULL) { |
| 1392 | err_msg = PyUnicode_FromFormat("Exception ignored %s", err_msg_str); |
| 1393 | if (err_msg == NULL) { |
| 1394 | PyErr_Clear(); |
| 1395 | } |
| 1396 | } |
| 1397 | |
Steve Dower | bea33f5 | 2019-11-28 08:46:11 -0800 | [diff] [blame] | 1398 | PyObject *hook_args = make_unraisable_hook_args( |
| 1399 | tstate, exc_type, exc_value, exc_tb, err_msg, obj); |
| 1400 | if (hook_args == NULL) { |
| 1401 | err_msg_str = ("Exception ignored on building " |
| 1402 | "sys.unraisablehook arguments"); |
| 1403 | goto error; |
| 1404 | } |
| 1405 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1406 | _Py_IDENTIFIER(unraisablehook); |
| 1407 | PyObject *hook = _PySys_GetObjectId(&PyId_unraisablehook); |
Steve Dower | bea33f5 | 2019-11-28 08:46:11 -0800 | [diff] [blame] | 1408 | if (hook == NULL) { |
| 1409 | Py_DECREF(hook_args); |
| 1410 | goto default_hook; |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1411 | } |
| 1412 | |
Steve Dower | bea33f5 | 2019-11-28 08:46:11 -0800 | [diff] [blame] | 1413 | if (PySys_Audit("sys.unraisablehook", "OO", hook, hook_args) < 0) { |
| 1414 | Py_DECREF(hook_args); |
| 1415 | err_msg_str = "Exception ignored in audit hook"; |
| 1416 | obj = NULL; |
| 1417 | goto error; |
| 1418 | } |
| 1419 | |
| 1420 | if (hook == Py_None) { |
| 1421 | Py_DECREF(hook_args); |
| 1422 | goto default_hook; |
| 1423 | } |
| 1424 | |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 1425 | PyObject *res = PyObject_CallOneArg(hook, hook_args); |
Steve Dower | bea33f5 | 2019-11-28 08:46:11 -0800 | [diff] [blame] | 1426 | Py_DECREF(hook_args); |
| 1427 | if (res != NULL) { |
| 1428 | Py_DECREF(res); |
| 1429 | goto done; |
| 1430 | } |
| 1431 | |
| 1432 | /* sys.unraisablehook failed: log its error using default hook */ |
| 1433 | obj = hook; |
| 1434 | err_msg_str = NULL; |
| 1435 | |
| 1436 | error: |
| 1437 | /* err_msg_str and obj have been updated and we have a new exception */ |
| 1438 | Py_XSETREF(err_msg, PyUnicode_FromString(err_msg_str ? |
| 1439 | err_msg_str : "Exception ignored in sys.unraisablehook")); |
| 1440 | Py_XDECREF(exc_type); |
| 1441 | Py_XDECREF(exc_value); |
| 1442 | Py_XDECREF(exc_tb); |
| 1443 | _PyErr_Fetch(tstate, &exc_type, &exc_value, &exc_tb); |
| 1444 | |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1445 | default_hook: |
| 1446 | /* Call the default unraisable hook (ignore failure) */ |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1447 | (void)write_unraisable_exc(tstate, exc_type, exc_value, exc_tb, |
| 1448 | err_msg, obj); |
Victor Stinner | c82bfd8 | 2013-08-26 14:04:10 +0200 | [diff] [blame] | 1449 | |
| 1450 | done: |
Victor Stinner | ef9d9b6 | 2019-05-22 11:28:22 +0200 | [diff] [blame] | 1451 | Py_XDECREF(exc_type); |
| 1452 | Py_XDECREF(exc_value); |
| 1453 | Py_XDECREF(exc_tb); |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1454 | Py_XDECREF(err_msg); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1455 | _PyErr_Clear(tstate); /* Just in case */ |
Jeremy Hylton | b709df3 | 2000-09-01 02:47:25 +0000 | [diff] [blame] | 1456 | } |
Guido van Rossum | cfd42b5 | 2000-12-15 21:58:52 +0000 | [diff] [blame] | 1457 | |
Victor Stinner | 71c52e3 | 2019-05-27 08:57:14 +0200 | [diff] [blame] | 1458 | |
| 1459 | void |
| 1460 | PyErr_WriteUnraisable(PyObject *obj) |
| 1461 | { |
| 1462 | _PyErr_WriteUnraisableMsg(NULL, obj); |
| 1463 | } |
| 1464 | |
| 1465 | |
Armin Rigo | 092381a | 2003-10-25 14:29:27 +0000 | [diff] [blame] | 1466 | extern PyObject *PyModule_GetWarningsModule(void); |
Guido van Rossum | cfd42b5 | 2000-12-15 21:58:52 +0000 | [diff] [blame] | 1467 | |
Guido van Rossum | 2fd4565 | 2001-02-28 21:46:24 +0000 | [diff] [blame] | 1468 | |
Benjamin Peterson | 2c53971 | 2010-09-20 22:42:10 +0000 | [diff] [blame] | 1469 | void |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1470 | PyErr_SyntaxLocation(const char *filename, int lineno) |
| 1471 | { |
Benjamin Peterson | 2c53971 | 2010-09-20 22:42:10 +0000 | [diff] [blame] | 1472 | PyErr_SyntaxLocationEx(filename, lineno, -1); |
| 1473 | } |
| 1474 | |
| 1475 | |
Martin v. Löwis | cfeb3b6 | 2002-03-03 21:30:27 +0000 | [diff] [blame] | 1476 | /* Set file and line information for the current exception. |
| 1477 | If the exception is not a SyntaxError, also sets additional attributes |
| 1478 | to make printing of exceptions believe it is a syntax error. */ |
Guido van Rossum | 2fd4565 | 2001-02-28 21:46:24 +0000 | [diff] [blame] | 1479 | |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1480 | void |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1481 | PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset) |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1482 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1483 | PyObject *exc, *v, *tb, *tmp; |
Martin v. Löwis | 1c67dd9 | 2011-10-14 15:16:45 +0200 | [diff] [blame] | 1484 | _Py_IDENTIFIER(filename); |
| 1485 | _Py_IDENTIFIER(lineno); |
| 1486 | _Py_IDENTIFIER(msg); |
| 1487 | _Py_IDENTIFIER(offset); |
| 1488 | _Py_IDENTIFIER(print_file_and_line); |
| 1489 | _Py_IDENTIFIER(text); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1490 | PyThreadState *tstate = _PyThreadState_GET(); |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1491 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1492 | /* add attributes for the line number and filename for the error */ |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1493 | _PyErr_Fetch(tstate, &exc, &v, &tb); |
| 1494 | _PyErr_NormalizeException(tstate, &exc, &v, &tb); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1495 | /* XXX check that it is, indeed, a syntax error. It might not |
| 1496 | * be, though. */ |
| 1497 | tmp = PyLong_FromLong(lineno); |
| 1498 | if (tmp == NULL) |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1499 | _PyErr_Clear(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1500 | else { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1501 | if (_PyObject_SetAttrId(v, &PyId_lineno, tmp)) { |
| 1502 | _PyErr_Clear(tstate); |
| 1503 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1504 | Py_DECREF(tmp); |
| 1505 | } |
Serhiy Storchaka | 8b58339 | 2016-12-11 14:39:01 +0200 | [diff] [blame] | 1506 | tmp = NULL; |
Benjamin Peterson | 2c53971 | 2010-09-20 22:42:10 +0000 | [diff] [blame] | 1507 | if (col_offset >= 0) { |
| 1508 | tmp = PyLong_FromLong(col_offset); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1509 | if (tmp == NULL) { |
| 1510 | _PyErr_Clear(tstate); |
| 1511 | } |
Benjamin Peterson | 2c53971 | 2010-09-20 22:42:10 +0000 | [diff] [blame] | 1512 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1513 | if (_PyObject_SetAttrId(v, &PyId_offset, tmp ? tmp : Py_None)) { |
| 1514 | _PyErr_Clear(tstate); |
| 1515 | } |
Serhiy Storchaka | 8b58339 | 2016-12-11 14:39:01 +0200 | [diff] [blame] | 1516 | Py_XDECREF(tmp); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1517 | if (filename != NULL) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1518 | if (_PyObject_SetAttrId(v, &PyId_filename, filename)) { |
| 1519 | _PyErr_Clear(tstate); |
| 1520 | } |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1521 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1522 | tmp = PyErr_ProgramTextObject(filename, lineno); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1523 | if (tmp) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1524 | if (_PyObject_SetAttrId(v, &PyId_text, tmp)) { |
| 1525 | _PyErr_Clear(tstate); |
| 1526 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1527 | Py_DECREF(tmp); |
| 1528 | } |
| 1529 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1530 | if (exc != PyExc_SyntaxError) { |
Martin v. Löwis | 1c67dd9 | 2011-10-14 15:16:45 +0200 | [diff] [blame] | 1531 | if (!_PyObject_HasAttrId(v, &PyId_msg)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1532 | tmp = PyObject_Str(v); |
| 1533 | if (tmp) { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1534 | if (_PyObject_SetAttrId(v, &PyId_msg, tmp)) { |
| 1535 | _PyErr_Clear(tstate); |
| 1536 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1537 | Py_DECREF(tmp); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1538 | } |
| 1539 | else { |
| 1540 | _PyErr_Clear(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1541 | } |
| 1542 | } |
Martin v. Löwis | 1c67dd9 | 2011-10-14 15:16:45 +0200 | [diff] [blame] | 1543 | if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) { |
| 1544 | if (_PyObject_SetAttrId(v, &PyId_print_file_and_line, |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1545 | Py_None)) { |
| 1546 | _PyErr_Clear(tstate); |
| 1547 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1548 | } |
| 1549 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1550 | _PyErr_Restore(tstate, exc, v, tb); |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1551 | } |
| 1552 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1553 | void |
| 1554 | PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset) |
| 1555 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1556 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1557 | PyObject *fileobj; |
| 1558 | if (filename != NULL) { |
| 1559 | fileobj = PyUnicode_DecodeFSDefault(filename); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1560 | if (fileobj == NULL) { |
| 1561 | _PyErr_Clear(tstate); |
| 1562 | } |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1563 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1564 | else { |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1565 | fileobj = NULL; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1566 | } |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1567 | PyErr_SyntaxLocationObject(fileobj, lineno, col_offset); |
| 1568 | Py_XDECREF(fileobj); |
| 1569 | } |
| 1570 | |
Guido van Rossum | ebe8f8a | 2007-10-10 18:53:36 +0000 | [diff] [blame] | 1571 | /* Attempt to load the line of text that the exception refers to. If it |
| 1572 | fails, it will return NULL but will not set an exception. |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1573 | |
| 1574 | XXX The functionality of this function is quite similar to the |
Guido van Rossum | ebe8f8a | 2007-10-10 18:53:36 +0000 | [diff] [blame] | 1575 | functionality in tb_displayline() in traceback.c. */ |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1576 | |
Antoine Pitrou | 409b538 | 2013-10-12 22:41:17 +0200 | [diff] [blame] | 1577 | static PyObject * |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1578 | err_programtext(PyThreadState *tstate, FILE *fp, int lineno) |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1579 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1580 | int i; |
| 1581 | char linebuf[1000]; |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1582 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1583 | if (fp == NULL) |
| 1584 | return NULL; |
| 1585 | for (i = 0; i < lineno; i++) { |
| 1586 | char *pLastChar = &linebuf[sizeof(linebuf) - 2]; |
| 1587 | do { |
| 1588 | *pLastChar = '\0'; |
| 1589 | if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf, |
| 1590 | fp, NULL) == NULL) |
| 1591 | break; |
| 1592 | /* fgets read *something*; if it didn't get as |
| 1593 | far as pLastChar, it must have found a newline |
| 1594 | or hit the end of the file; if pLastChar is \n, |
| 1595 | it obviously found a newline; else we haven't |
| 1596 | yet seen a newline, so must continue */ |
| 1597 | } while (*pLastChar != '\0' && *pLastChar != '\n'); |
| 1598 | } |
| 1599 | fclose(fp); |
| 1600 | if (i == lineno) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1601 | PyObject *res; |
Martin Panter | ca3263c | 2016-12-11 00:18:36 +0000 | [diff] [blame] | 1602 | res = PyUnicode_FromString(linebuf); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1603 | if (res == NULL) |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1604 | _PyErr_Clear(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1605 | return res; |
| 1606 | } |
| 1607 | return NULL; |
Jeremy Hylton | ad3d3f2 | 2001-02-28 17:47:12 +0000 | [diff] [blame] | 1608 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1609 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1610 | PyObject * |
| 1611 | PyErr_ProgramText(const char *filename, int lineno) |
| 1612 | { |
| 1613 | FILE *fp; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1614 | if (filename == NULL || *filename == '\0' || lineno <= 0) { |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1615 | return NULL; |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1616 | } |
| 1617 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | daf4555 | 2013-08-28 00:53:59 +0200 | [diff] [blame] | 1618 | fp = _Py_fopen(filename, "r" PY_STDIOTEXTMODE); |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1619 | return err_programtext(tstate, fp, lineno); |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1620 | } |
| 1621 | |
| 1622 | PyObject * |
| 1623 | PyErr_ProgramTextObject(PyObject *filename, int lineno) |
| 1624 | { |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1625 | if (filename == NULL || lineno <= 0) { |
Victor Stinner | e42ccd2 | 2015-03-18 01:39:23 +0100 | [diff] [blame] | 1626 | return NULL; |
| 1627 | } |
Victor Stinner | b4bdecd | 2019-05-24 13:44:24 +0200 | [diff] [blame] | 1628 | |
| 1629 | PyThreadState *tstate = _PyThreadState_GET(); |
| 1630 | FILE *fp = _Py_fopen_obj(filename, "r" PY_STDIOTEXTMODE); |
| 1631 | if (fp == NULL) { |
| 1632 | _PyErr_Clear(tstate); |
| 1633 | return NULL; |
| 1634 | } |
| 1635 | return err_programtext(tstate, fp, lineno); |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1636 | } |
| 1637 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1638 | #ifdef __cplusplus |
| 1639 | } |
| 1640 | #endif |