Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1 | #include "Python.h" |
Victor Stinner | 621cebe | 2018-11-12 16:53:38 +0100 | [diff] [blame] | 2 | #include "pycore_pystate.h" |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 3 | #include "frameobject.h" |
Victor Stinner | 22f1875 | 2016-12-09 18:08:18 +0100 | [diff] [blame] | 4 | #include "clinic/_warnings.c.h" |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 5 | |
| 6 | #define MODULE_NAME "_warnings" |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 7 | |
| 8 | PyDoc_STRVAR(warnings__doc__, |
| 9 | MODULE_NAME " provides basic warning filtering support.\n" |
| 10 | "It is a helper module to speed up interpreter start-up."); |
| 11 | |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 12 | _Py_IDENTIFIER(stderr); |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 13 | #ifndef Py_DEBUG |
Nick Coghlan | 9b99747 | 2018-01-08 12:45:02 +1000 | [diff] [blame] | 14 | _Py_IDENTIFIER(default); |
Victor Stinner | b98f171 | 2017-11-23 17:13:44 +0100 | [diff] [blame] | 15 | _Py_IDENTIFIER(ignore); |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 16 | #endif |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 17 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 18 | |
| 19 | /*************************************************************************/ |
| 20 | |
| 21 | typedef struct _warnings_runtime_state WarningsState; |
| 22 | |
| 23 | /* Forward declaration of the _warnings module definition. */ |
| 24 | static struct PyModuleDef warningsmodule; |
| 25 | |
| 26 | /* Given a module object, get its per-module state. */ |
| 27 | static WarningsState * |
| 28 | _Warnings_GetState() |
| 29 | { |
| 30 | PyThreadState *tstate = PyThreadState_GET(); |
| 31 | if (tstate == NULL) { |
| 32 | PyErr_SetString(PyExc_RuntimeError, |
| 33 | "_Warnings_GetState: could not identify current interpreter"); |
| 34 | return NULL; |
| 35 | } |
| 36 | return &tstate->interp->warnings; |
| 37 | } |
| 38 | |
| 39 | /* Clear the given warnings module state. */ |
| 40 | static void |
| 41 | _Warnings_ClearState(WarningsState *st) |
| 42 | { |
| 43 | Py_CLEAR(st->filters); |
| 44 | Py_CLEAR(st->once_registry); |
| 45 | Py_CLEAR(st->default_action); |
| 46 | } |
| 47 | |
| 48 | #ifndef Py_DEBUG |
| 49 | static PyObject * |
| 50 | create_filter(PyObject *category, _Py_Identifier *id, const char *modname) |
| 51 | { |
| 52 | PyObject *modname_obj = NULL; |
| 53 | PyObject *action_str = _PyUnicode_FromId(id); |
| 54 | if (action_str == NULL) { |
| 55 | return NULL; |
| 56 | } |
| 57 | |
| 58 | /* Default to "no module name" for initial filter set */ |
| 59 | if (modname != NULL) { |
| 60 | modname_obj = PyUnicode_InternFromString(modname); |
| 61 | if (modname_obj == NULL) { |
| 62 | return NULL; |
| 63 | } |
| 64 | } else { |
| 65 | modname_obj = Py_None; |
| 66 | } |
| 67 | |
| 68 | /* This assumes the line number is zero for now. */ |
| 69 | return PyTuple_Pack(5, action_str, Py_None, |
| 70 | category, modname_obj, _PyLong_Zero); |
| 71 | } |
| 72 | #endif |
| 73 | |
| 74 | static PyObject * |
| 75 | init_filters(void) |
| 76 | { |
| 77 | #ifdef Py_DEBUG |
| 78 | /* Py_DEBUG builds show all warnings by default */ |
| 79 | return PyList_New(0); |
| 80 | #else |
| 81 | /* Other builds ignore a number of warning categories by default */ |
| 82 | PyObject *filters = PyList_New(5); |
| 83 | if (filters == NULL) { |
| 84 | return NULL; |
| 85 | } |
| 86 | |
| 87 | size_t pos = 0; /* Post-incremented in each use. */ |
| 88 | PyList_SET_ITEM(filters, pos++, |
| 89 | create_filter(PyExc_DeprecationWarning, &PyId_default, "__main__")); |
| 90 | PyList_SET_ITEM(filters, pos++, |
| 91 | create_filter(PyExc_DeprecationWarning, &PyId_ignore, NULL)); |
| 92 | PyList_SET_ITEM(filters, pos++, |
| 93 | create_filter(PyExc_PendingDeprecationWarning, &PyId_ignore, NULL)); |
| 94 | PyList_SET_ITEM(filters, pos++, |
| 95 | create_filter(PyExc_ImportWarning, &PyId_ignore, NULL)); |
| 96 | PyList_SET_ITEM(filters, pos++, |
| 97 | create_filter(PyExc_ResourceWarning, &PyId_ignore, NULL)); |
| 98 | |
| 99 | for (size_t x = 0; x < pos; x++) { |
| 100 | if (PyList_GET_ITEM(filters, x) == NULL) { |
| 101 | Py_DECREF(filters); |
| 102 | return NULL; |
| 103 | } |
| 104 | } |
| 105 | return filters; |
| 106 | #endif |
| 107 | } |
| 108 | |
| 109 | /* Initialize the given warnings module state. */ |
| 110 | static int |
| 111 | _Warnings_InitState(WarningsState *st) |
| 112 | { |
| 113 | if (st->filters == NULL) { |
| 114 | st->filters = init_filters(); |
| 115 | if (st->filters == NULL) { |
| 116 | goto error; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | if (st->once_registry == NULL) { |
| 121 | st->once_registry = PyDict_New(); |
| 122 | if (st->once_registry == NULL) { |
| 123 | goto error; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | if (st->default_action == NULL) { |
| 128 | st->default_action = PyUnicode_FromString("default"); |
| 129 | if (st->default_action == NULL) { |
| 130 | goto error; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | st->filters_version = 0; |
| 135 | |
| 136 | return 0; |
| 137 | |
| 138 | error: |
| 139 | _Warnings_ClearState(st); |
| 140 | return -1; |
| 141 | } |
| 142 | |
| 143 | |
| 144 | /*************************************************************************/ |
| 145 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 146 | static int |
| 147 | check_matched(PyObject *obj, PyObject *arg) |
| 148 | { |
| 149 | PyObject *result; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 150 | _Py_IDENTIFIER(match); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 151 | int rc; |
| 152 | |
Nick Coghlan | 9b99747 | 2018-01-08 12:45:02 +1000 | [diff] [blame] | 153 | /* A 'None' filter always matches */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 154 | if (obj == Py_None) |
| 155 | return 1; |
Nick Coghlan | 9b99747 | 2018-01-08 12:45:02 +1000 | [diff] [blame] | 156 | |
| 157 | /* An internal plain text default filter must match exactly */ |
| 158 | if (PyUnicode_CheckExact(obj)) { |
| 159 | int cmp_result = PyUnicode_Compare(obj, arg); |
| 160 | if (cmp_result == -1 && PyErr_Occurred()) { |
| 161 | return -1; |
| 162 | } |
| 163 | return !cmp_result; |
| 164 | } |
| 165 | |
| 166 | /* Otherwise assume a regex filter and call its match() method */ |
Victor Stinner | 55ba38a | 2016-12-09 16:09:30 +0100 | [diff] [blame] | 167 | result = _PyObject_CallMethodIdObjArgs(obj, &PyId_match, arg, NULL); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 168 | if (result == NULL) |
| 169 | return -1; |
| 170 | |
| 171 | rc = PyObject_IsTrue(result); |
| 172 | Py_DECREF(result); |
| 173 | return rc; |
| 174 | } |
| 175 | |
| 176 | /* |
| 177 | Returns a new reference. |
| 178 | A NULL return value can mean false or an error. |
| 179 | */ |
| 180 | static PyObject * |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 181 | get_warnings_attr(_Py_Identifier *attr_id, int try_import) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 182 | { |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 183 | PyObject *warnings_str; |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 184 | PyObject *warnings_module, *obj; |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 185 | _Py_IDENTIFIER(warnings); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 186 | |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 187 | warnings_str = _PyUnicode_FromId(&PyId_warnings); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 188 | if (warnings_str == NULL) { |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 189 | return NULL; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 190 | } |
| 191 | |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 192 | /* don't try to import after the start of the Python finallization */ |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 193 | if (try_import && !_Py_IsFinalizing()) { |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 194 | warnings_module = PyImport_Import(warnings_str); |
| 195 | if (warnings_module == NULL) { |
| 196 | /* Fallback to the C implementation if we cannot get |
| 197 | the Python implementation */ |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 198 | if (PyErr_ExceptionMatches(PyExc_ImportError)) { |
| 199 | PyErr_Clear(); |
| 200 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 201 | return NULL; |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 202 | } |
| 203 | } |
| 204 | else { |
Nathaniel J. Smith | dba976b | 2018-01-26 11:28:31 -0800 | [diff] [blame] | 205 | /* if we're so late into Python finalization that the module dict is |
| 206 | gone, then we can't even use PyImport_GetModule without triggering |
| 207 | an interpreter abort. |
| 208 | */ |
Victor Stinner | caba55b | 2018-08-03 15:33:52 +0200 | [diff] [blame] | 209 | if (!_PyInterpreterState_GET_UNSAFE()->modules) { |
Nathaniel J. Smith | dba976b | 2018-01-26 11:28:31 -0800 | [diff] [blame] | 210 | return NULL; |
| 211 | } |
Eric Snow | 3f9eee6 | 2017-09-15 16:35:20 -0600 | [diff] [blame] | 212 | warnings_module = PyImport_GetModule(warnings_str); |
Victor Stinner | 023654f | 2016-03-23 17:48:22 +0100 | [diff] [blame] | 213 | if (warnings_module == NULL) |
| 214 | return NULL; |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 215 | } |
| 216 | |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 217 | (void)_PyObject_LookupAttrId(warnings_module, attr_id, &obj); |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 218 | Py_DECREF(warnings_module); |
| 219 | return obj; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | |
Neal Norwitz | 32dde22 | 2008-04-15 06:43:13 +0000 | [diff] [blame] | 223 | static PyObject * |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 224 | get_once_registry(WarningsState *st) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 225 | { |
| 226 | PyObject *registry; |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 227 | _Py_IDENTIFIER(onceregistry); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 228 | |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 229 | registry = get_warnings_attr(&PyId_onceregistry, 0); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 230 | if (registry == NULL) { |
| 231 | if (PyErr_Occurred()) |
| 232 | return NULL; |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 233 | assert(st->once_registry); |
| 234 | return st->once_registry; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 235 | } |
Oren Milman | 252033d | 2017-09-11 09:28:39 +0300 | [diff] [blame] | 236 | if (!PyDict_Check(registry)) { |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 237 | PyErr_Format(PyExc_TypeError, |
| 238 | MODULE_NAME ".onceregistry must be a dict, " |
| 239 | "not '%.200s'", |
| 240 | Py_TYPE(registry)->tp_name); |
Oren Milman | 252033d | 2017-09-11 09:28:39 +0300 | [diff] [blame] | 241 | Py_DECREF(registry); |
| 242 | return NULL; |
| 243 | } |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 244 | Py_SETREF(st->once_registry, registry); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 245 | return registry; |
| 246 | } |
| 247 | |
| 248 | |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 249 | static PyObject * |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 250 | get_default_action(WarningsState *st) |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 251 | { |
| 252 | PyObject *default_action; |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 253 | _Py_IDENTIFIER(defaultaction); |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 254 | |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 255 | default_action = get_warnings_attr(&PyId_defaultaction, 0); |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 256 | if (default_action == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 257 | if (PyErr_Occurred()) { |
| 258 | return NULL; |
| 259 | } |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 260 | assert(st->default_action); |
| 261 | return st->default_action; |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 262 | } |
Oren Milman | 9d984fd | 2017-09-12 00:18:09 +0300 | [diff] [blame] | 263 | if (!PyUnicode_Check(default_action)) { |
| 264 | PyErr_Format(PyExc_TypeError, |
| 265 | MODULE_NAME ".defaultaction must be a string, " |
| 266 | "not '%.200s'", |
| 267 | Py_TYPE(default_action)->tp_name); |
| 268 | Py_DECREF(default_action); |
| 269 | return NULL; |
| 270 | } |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 271 | Py_SETREF(st->default_action, default_action); |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 272 | return default_action; |
| 273 | } |
| 274 | |
| 275 | |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 276 | /* The item is a new reference. */ |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 277 | static PyObject* |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 278 | get_filter(PyObject *category, PyObject *text, Py_ssize_t lineno, |
| 279 | PyObject *module, PyObject **item) |
| 280 | { |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 281 | PyObject *action; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 282 | Py_ssize_t i; |
| 283 | PyObject *warnings_filters; |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 284 | _Py_IDENTIFIER(filters); |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 285 | WarningsState *st = _Warnings_GetState(); |
| 286 | if (st == NULL) { |
| 287 | return NULL; |
| 288 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 289 | |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 290 | warnings_filters = get_warnings_attr(&PyId_filters, 0); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 291 | if (warnings_filters == NULL) { |
| 292 | if (PyErr_Occurred()) |
| 293 | return NULL; |
| 294 | } |
| 295 | else { |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 296 | Py_SETREF(st->filters, warnings_filters); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 297 | } |
| 298 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 299 | PyObject *filters = st->filters; |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 300 | if (filters == NULL || !PyList_Check(filters)) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 301 | PyErr_SetString(PyExc_ValueError, |
| 302 | MODULE_NAME ".filters must be a list"); |
| 303 | return NULL; |
| 304 | } |
| 305 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 306 | /* WarningsState.filters could change while we are iterating over it. */ |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 307 | for (i = 0; i < PyList_GET_SIZE(filters); i++) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 308 | PyObject *tmp_item, *action, *msg, *cat, *mod, *ln_obj; |
| 309 | Py_ssize_t ln; |
| 310 | int is_subclass, good_msg, good_mod; |
| 311 | |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 312 | tmp_item = PyList_GET_ITEM(filters, i); |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 313 | if (!PyTuple_Check(tmp_item) || PyTuple_GET_SIZE(tmp_item) != 5) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 314 | PyErr_Format(PyExc_ValueError, |
| 315 | MODULE_NAME ".filters item %zd isn't a 5-tuple", i); |
| 316 | return NULL; |
| 317 | } |
| 318 | |
| 319 | /* Python code: action, msg, cat, mod, ln = item */ |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 320 | Py_INCREF(tmp_item); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 321 | action = PyTuple_GET_ITEM(tmp_item, 0); |
| 322 | msg = PyTuple_GET_ITEM(tmp_item, 1); |
| 323 | cat = PyTuple_GET_ITEM(tmp_item, 2); |
| 324 | mod = PyTuple_GET_ITEM(tmp_item, 3); |
| 325 | ln_obj = PyTuple_GET_ITEM(tmp_item, 4); |
| 326 | |
Oren Milman | 9d984fd | 2017-09-12 00:18:09 +0300 | [diff] [blame] | 327 | if (!PyUnicode_Check(action)) { |
| 328 | PyErr_Format(PyExc_TypeError, |
| 329 | "action must be a string, not '%.200s'", |
| 330 | Py_TYPE(action)->tp_name); |
| 331 | Py_DECREF(tmp_item); |
| 332 | return NULL; |
| 333 | } |
| 334 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 335 | good_msg = check_matched(msg, text); |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 336 | if (good_msg == -1) { |
| 337 | Py_DECREF(tmp_item); |
Victor Stinner | 3cd04aa | 2013-10-31 14:46:00 +0100 | [diff] [blame] | 338 | return NULL; |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 339 | } |
Victor Stinner | 3cd04aa | 2013-10-31 14:46:00 +0100 | [diff] [blame] | 340 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 341 | good_mod = check_matched(mod, module); |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 342 | if (good_mod == -1) { |
| 343 | Py_DECREF(tmp_item); |
Victor Stinner | 3cd04aa | 2013-10-31 14:46:00 +0100 | [diff] [blame] | 344 | return NULL; |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 345 | } |
Victor Stinner | 3cd04aa | 2013-10-31 14:46:00 +0100 | [diff] [blame] | 346 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 347 | is_subclass = PyObject_IsSubclass(category, cat); |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 348 | if (is_subclass == -1) { |
| 349 | Py_DECREF(tmp_item); |
Victor Stinner | 3cd04aa | 2013-10-31 14:46:00 +0100 | [diff] [blame] | 350 | return NULL; |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 351 | } |
Victor Stinner | 3cd04aa | 2013-10-31 14:46:00 +0100 | [diff] [blame] | 352 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 353 | ln = PyLong_AsSsize_t(ln_obj); |
Benjamin Peterson | 8c59816 | 2015-05-03 11:28:46 -0400 | [diff] [blame] | 354 | if (ln == -1 && PyErr_Occurred()) { |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 355 | Py_DECREF(tmp_item); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 356 | return NULL; |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 357 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 358 | |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 359 | if (good_msg && is_subclass && good_mod && (ln == 0 || lineno == ln)) { |
| 360 | *item = tmp_item; |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 361 | return action; |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | Py_DECREF(tmp_item); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 365 | } |
| 366 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 367 | action = get_default_action(st); |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 368 | if (action != NULL) { |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 369 | Py_INCREF(Py_None); |
| 370 | *item = Py_None; |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 371 | return action; |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 372 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 373 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 374 | return NULL; |
| 375 | } |
| 376 | |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 377 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 378 | static int |
| 379 | already_warned(PyObject *registry, PyObject *key, int should_set) |
| 380 | { |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 381 | PyObject *version_obj, *already_warned; |
| 382 | _Py_IDENTIFIER(version); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 383 | |
| 384 | if (key == NULL) |
| 385 | return -1; |
| 386 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 387 | WarningsState *st = _Warnings_GetState(); |
| 388 | if (st == NULL) { |
| 389 | return -1; |
| 390 | } |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 391 | version_obj = _PyDict_GetItemIdWithError(registry, &PyId_version); |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 392 | if (version_obj == NULL |
| 393 | || !PyLong_CheckExact(version_obj) |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 394 | || PyLong_AsLong(version_obj) != st->filters_version) |
Serhiy Storchaka | 8905fcc | 2018-12-11 08:38:03 +0200 | [diff] [blame] | 395 | { |
| 396 | if (PyErr_Occurred()) { |
| 397 | return -1; |
| 398 | } |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 399 | PyDict_Clear(registry); |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 400 | version_obj = PyLong_FromLong(st->filters_version); |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 401 | if (version_obj == NULL) |
| 402 | return -1; |
| 403 | if (_PyDict_SetItemId(registry, &PyId_version, version_obj) < 0) { |
| 404 | Py_DECREF(version_obj); |
| 405 | return -1; |
| 406 | } |
| 407 | Py_DECREF(version_obj); |
| 408 | } |
| 409 | else { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 410 | already_warned = PyDict_GetItemWithError(registry, key); |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 411 | if (already_warned != NULL) { |
| 412 | int rc = PyObject_IsTrue(already_warned); |
| 413 | if (rc != 0) |
| 414 | return rc; |
| 415 | } |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 416 | else if (PyErr_Occurred()) { |
| 417 | return -1; |
| 418 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | /* This warning wasn't found in the registry, set it. */ |
| 422 | if (should_set) |
| 423 | return PyDict_SetItem(registry, key, Py_True); |
| 424 | return 0; |
| 425 | } |
| 426 | |
| 427 | /* New reference. */ |
| 428 | static PyObject * |
| 429 | normalize_module(PyObject *filename) |
| 430 | { |
| 431 | PyObject *module; |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 432 | int kind; |
| 433 | void *data; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 434 | Py_ssize_t len; |
| 435 | |
Victor Stinner | 9e30aa5 | 2011-11-21 02:49:52 +0100 | [diff] [blame] | 436 | len = PyUnicode_GetLength(filename); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 437 | if (len < 0) |
| 438 | return NULL; |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 439 | |
| 440 | if (len == 0) |
| 441 | return PyUnicode_FromString("<unknown>"); |
| 442 | |
| 443 | kind = PyUnicode_KIND(filename); |
| 444 | data = PyUnicode_DATA(filename); |
| 445 | |
| 446 | /* if filename.endswith(".py"): */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 447 | if (len >= 3 && |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 448 | PyUnicode_READ(kind, data, len-3) == '.' && |
| 449 | PyUnicode_READ(kind, data, len-2) == 'p' && |
| 450 | PyUnicode_READ(kind, data, len-1) == 'y') |
| 451 | { |
Victor Stinner | 9e30aa5 | 2011-11-21 02:49:52 +0100 | [diff] [blame] | 452 | module = PyUnicode_Substring(filename, 0, len-3); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 453 | } |
| 454 | else { |
| 455 | module = filename; |
| 456 | Py_INCREF(module); |
| 457 | } |
| 458 | return module; |
| 459 | } |
| 460 | |
| 461 | static int |
| 462 | update_registry(PyObject *registry, PyObject *text, PyObject *category, |
| 463 | int add_zero) |
| 464 | { |
Serhiy Storchaka | ba85d69 | 2017-03-30 09:09:41 +0300 | [diff] [blame] | 465 | PyObject *altkey; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 466 | int rc; |
| 467 | |
Serhiy Storchaka | ba85d69 | 2017-03-30 09:09:41 +0300 | [diff] [blame] | 468 | if (add_zero) |
| 469 | altkey = PyTuple_Pack(3, text, category, _PyLong_Zero); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 470 | else |
| 471 | altkey = PyTuple_Pack(2, text, category); |
| 472 | |
| 473 | rc = already_warned(registry, altkey, 1); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 474 | Py_XDECREF(altkey); |
| 475 | return rc; |
| 476 | } |
| 477 | |
| 478 | static void |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 479 | show_warning(PyObject *filename, int lineno, PyObject *text, |
| 480 | PyObject *category, PyObject *sourceline) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 481 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 482 | PyObject *f_stderr; |
| 483 | PyObject *name; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 484 | char lineno_str[128]; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 485 | _Py_IDENTIFIER(__name__); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 486 | |
| 487 | PyOS_snprintf(lineno_str, sizeof(lineno_str), ":%d: ", lineno); |
| 488 | |
Martin v. Löwis | 1ee1b6f | 2011-10-10 18:11:30 +0200 | [diff] [blame] | 489 | name = _PyObject_GetAttrId(category, &PyId___name__); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 490 | if (name == NULL) /* XXX Can an object lack a '__name__' attribute? */ |
Victor Stinner | ae233ea | 2013-10-31 14:51:38 +0100 | [diff] [blame] | 491 | goto error; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 492 | |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 493 | f_stderr = _PySys_GetObjectId(&PyId_stderr); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 494 | if (f_stderr == NULL) { |
| 495 | fprintf(stderr, "lost sys.stderr\n"); |
Victor Stinner | ae233ea | 2013-10-31 14:51:38 +0100 | [diff] [blame] | 496 | goto error; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | /* Print "filename:lineno: category: text\n" */ |
Victor Stinner | ae233ea | 2013-10-31 14:51:38 +0100 | [diff] [blame] | 500 | if (PyFile_WriteObject(filename, f_stderr, Py_PRINT_RAW) < 0) |
| 501 | goto error; |
| 502 | if (PyFile_WriteString(lineno_str, f_stderr) < 0) |
| 503 | goto error; |
| 504 | if (PyFile_WriteObject(name, f_stderr, Py_PRINT_RAW) < 0) |
| 505 | goto error; |
| 506 | if (PyFile_WriteString(": ", f_stderr) < 0) |
| 507 | goto error; |
| 508 | if (PyFile_WriteObject(text, f_stderr, Py_PRINT_RAW) < 0) |
| 509 | goto error; |
| 510 | if (PyFile_WriteString("\n", f_stderr) < 0) |
| 511 | goto error; |
| 512 | Py_CLEAR(name); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 513 | |
| 514 | /* Print " source_line\n" */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 515 | if (sourceline) { |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 516 | int kind; |
| 517 | void *data; |
| 518 | Py_ssize_t i, len; |
| 519 | Py_UCS4 ch; |
| 520 | PyObject *truncated; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 521 | |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 522 | if (PyUnicode_READY(sourceline) < 1) |
| 523 | goto error; |
| 524 | |
| 525 | kind = PyUnicode_KIND(sourceline); |
| 526 | data = PyUnicode_DATA(sourceline); |
| 527 | len = PyUnicode_GET_LENGTH(sourceline); |
| 528 | for (i=0; i<len; i++) { |
| 529 | ch = PyUnicode_READ(kind, data, i); |
| 530 | if (ch != ' ' && ch != '\t' && ch != '\014') |
| 531 | break; |
| 532 | } |
| 533 | |
| 534 | truncated = PyUnicode_Substring(sourceline, i, len); |
| 535 | if (truncated == NULL) |
| 536 | goto error; |
| 537 | |
| 538 | PyFile_WriteObject(sourceline, f_stderr, Py_PRINT_RAW); |
| 539 | Py_DECREF(truncated); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 540 | PyFile_WriteString("\n", f_stderr); |
| 541 | } |
Victor Stinner | 78e2c98 | 2013-07-16 01:54:37 +0200 | [diff] [blame] | 542 | else { |
| 543 | _Py_DisplaySourceLine(f_stderr, filename, lineno, 2); |
| 544 | } |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 545 | |
| 546 | error: |
Victor Stinner | ae233ea | 2013-10-31 14:51:38 +0100 | [diff] [blame] | 547 | Py_XDECREF(name); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 548 | PyErr_Clear(); |
| 549 | } |
| 550 | |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 551 | static int |
| 552 | call_show_warning(PyObject *category, PyObject *text, PyObject *message, |
| 553 | PyObject *filename, int lineno, PyObject *lineno_obj, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 554 | PyObject *sourceline, PyObject *source) |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 555 | { |
| 556 | PyObject *show_fn, *msg, *res, *warnmsg_cls = NULL; |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 557 | _Py_IDENTIFIER(_showwarnmsg); |
| 558 | _Py_IDENTIFIER(WarningMessage); |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 559 | |
Victor Stinner | e98445a | 2016-03-23 00:54:48 +0100 | [diff] [blame] | 560 | /* If the source parameter is set, try to get the Python implementation. |
| 561 | The Python implementation is able to log the traceback where the source |
luzpaz | a5293b4 | 2017-11-05 07:37:50 -0600 | [diff] [blame] | 562 | was allocated, whereas the C implementation doesn't. */ |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 563 | show_fn = get_warnings_attr(&PyId__showwarnmsg, source != NULL); |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 564 | if (show_fn == NULL) { |
| 565 | if (PyErr_Occurred()) |
| 566 | return -1; |
| 567 | show_warning(filename, lineno, text, category, sourceline); |
| 568 | return 0; |
| 569 | } |
| 570 | |
| 571 | if (!PyCallable_Check(show_fn)) { |
| 572 | PyErr_SetString(PyExc_TypeError, |
| 573 | "warnings._showwarnmsg() must be set to a callable"); |
| 574 | goto error; |
| 575 | } |
| 576 | |
Victor Stinner | 8265627 | 2017-11-22 23:51:42 +0100 | [diff] [blame] | 577 | warnmsg_cls = get_warnings_attr(&PyId_WarningMessage, 0); |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 578 | if (warnmsg_cls == NULL) { |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 579 | if (!PyErr_Occurred()) { |
| 580 | PyErr_SetString(PyExc_RuntimeError, |
| 581 | "unable to get warnings.WarningMessage"); |
| 582 | } |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 583 | goto error; |
| 584 | } |
| 585 | |
| 586 | msg = PyObject_CallFunctionObjArgs(warnmsg_cls, message, category, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 587 | filename, lineno_obj, Py_None, Py_None, source, |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 588 | NULL); |
| 589 | Py_DECREF(warnmsg_cls); |
| 590 | if (msg == NULL) |
| 591 | goto error; |
| 592 | |
Victor Stinner | de4ae3d | 2016-12-04 22:59:09 +0100 | [diff] [blame] | 593 | res = PyObject_CallFunctionObjArgs(show_fn, msg, NULL); |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 594 | Py_DECREF(show_fn); |
| 595 | Py_DECREF(msg); |
| 596 | |
| 597 | if (res == NULL) |
| 598 | return -1; |
| 599 | |
| 600 | Py_DECREF(res); |
| 601 | return 0; |
| 602 | |
| 603 | error: |
| 604 | Py_XDECREF(show_fn); |
| 605 | return -1; |
| 606 | } |
| 607 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 608 | static PyObject * |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 609 | warn_explicit(PyObject *category, PyObject *message, |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 610 | PyObject *filename, int lineno, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 611 | PyObject *module, PyObject *registry, PyObject *sourceline, |
| 612 | PyObject *source) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 613 | { |
| 614 | PyObject *key = NULL, *text = NULL, *result = NULL, *lineno_obj = NULL; |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 615 | PyObject *item = NULL; |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 616 | PyObject *action; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 617 | int rc; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 618 | |
Victor Stinner | dcdd05b | 2013-11-01 00:55:30 +0100 | [diff] [blame] | 619 | /* module can be None if a warning is emitted late during Python shutdown. |
| 620 | In this case, the Python warnings module was probably unloaded, filters |
| 621 | are no more available to choose as action. It is safer to ignore the |
| 622 | warning and do nothing. */ |
| 623 | if (module == Py_None) |
| 624 | Py_RETURN_NONE; |
| 625 | |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 626 | if (registry && !PyDict_Check(registry) && (registry != Py_None)) { |
Oren Milman | 252033d | 2017-09-11 09:28:39 +0300 | [diff] [blame] | 627 | PyErr_SetString(PyExc_TypeError, "'registry' must be a dict or None"); |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 628 | return NULL; |
| 629 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 630 | |
| 631 | /* Normalize module. */ |
| 632 | if (module == NULL) { |
| 633 | module = normalize_module(filename); |
| 634 | if (module == NULL) |
| 635 | return NULL; |
| 636 | } |
| 637 | else |
| 638 | Py_INCREF(module); |
| 639 | |
| 640 | /* Normalize message. */ |
| 641 | Py_INCREF(message); /* DECREF'ed in cleanup. */ |
| 642 | rc = PyObject_IsInstance(message, PyExc_Warning); |
| 643 | if (rc == -1) { |
| 644 | goto cleanup; |
| 645 | } |
| 646 | if (rc == 1) { |
| 647 | text = PyObject_Str(message); |
Hirokazu Yamamoto | 1c0c003 | 2009-07-17 06:55:42 +0000 | [diff] [blame] | 648 | if (text == NULL) |
| 649 | goto cleanup; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 650 | category = (PyObject*)message->ob_type; |
| 651 | } |
| 652 | else { |
| 653 | text = message; |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 654 | message = PyObject_CallFunctionObjArgs(category, message, NULL); |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 655 | if (message == NULL) |
| 656 | goto cleanup; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 657 | } |
| 658 | |
| 659 | lineno_obj = PyLong_FromLong(lineno); |
| 660 | if (lineno_obj == NULL) |
| 661 | goto cleanup; |
| 662 | |
Victor Stinner | 22f1875 | 2016-12-09 18:08:18 +0100 | [diff] [blame] | 663 | if (source == Py_None) { |
| 664 | source = NULL; |
| 665 | } |
| 666 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 667 | /* Create key. */ |
| 668 | key = PyTuple_Pack(3, text, category, lineno_obj); |
| 669 | if (key == NULL) |
| 670 | goto cleanup; |
| 671 | |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 672 | if ((registry != NULL) && (registry != Py_None)) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 673 | rc = already_warned(registry, key, 0); |
| 674 | if (rc == -1) |
| 675 | goto cleanup; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 676 | else if (rc == 1) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 677 | goto return_none; |
| 678 | /* Else this warning hasn't been generated before. */ |
| 679 | } |
| 680 | |
| 681 | action = get_filter(category, text, lineno, module, &item); |
| 682 | if (action == NULL) |
| 683 | goto cleanup; |
| 684 | |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 685 | if (_PyUnicode_EqualToASCIIString(action, "error")) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 686 | PyErr_SetObject(category, message); |
| 687 | goto cleanup; |
| 688 | } |
| 689 | |
Victor Stinner | c975878 | 2017-11-27 16:57:07 +0100 | [diff] [blame] | 690 | if (_PyUnicode_EqualToASCIIString(action, "ignore")) { |
| 691 | goto return_none; |
| 692 | } |
| 693 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 694 | /* Store in the registry that we've been here, *except* when the action |
| 695 | is "always". */ |
| 696 | rc = 0; |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 697 | if (!_PyUnicode_EqualToASCIIString(action, "always")) { |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 698 | if (registry != NULL && registry != Py_None && |
Victor Stinner | c975878 | 2017-11-27 16:57:07 +0100 | [diff] [blame] | 699 | PyDict_SetItem(registry, key, Py_True) < 0) |
| 700 | { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 701 | goto cleanup; |
Victor Stinner | c975878 | 2017-11-27 16:57:07 +0100 | [diff] [blame] | 702 | } |
| 703 | |
| 704 | if (_PyUnicode_EqualToASCIIString(action, "once")) { |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 705 | if (registry == NULL || registry == Py_None) { |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 706 | WarningsState *st = _Warnings_GetState(); |
| 707 | if (st == NULL) { |
| 708 | goto cleanup; |
| 709 | } |
| 710 | registry = get_once_registry(st); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 711 | if (registry == NULL) |
| 712 | goto cleanup; |
| 713 | } |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 714 | /* WarningsState.once_registry[(text, category)] = 1 */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 715 | rc = update_registry(registry, text, category, 0); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 716 | } |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 717 | else if (_PyUnicode_EqualToASCIIString(action, "module")) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 718 | /* registry[(text, category, 0)] = 1 */ |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 719 | if (registry != NULL && registry != Py_None) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 720 | rc = update_registry(registry, text, category, 0); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 721 | } |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 722 | else if (!_PyUnicode_EqualToASCIIString(action, "default")) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 723 | PyErr_Format(PyExc_RuntimeError, |
Victor Stinner | a4c704b | 2013-10-29 23:43:41 +0100 | [diff] [blame] | 724 | "Unrecognized action (%R) in warnings.filters:\n %R", |
| 725 | action, item); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 726 | goto cleanup; |
| 727 | } |
| 728 | } |
| 729 | |
Christian Heimes | 1a8501c | 2008-10-02 19:56:01 +0000 | [diff] [blame] | 730 | if (rc == 1) /* Already warned for this module. */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 731 | goto return_none; |
| 732 | if (rc == 0) { |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 733 | if (call_show_warning(category, text, message, filename, lineno, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 734 | lineno_obj, sourceline, source) < 0) |
Victor Stinner | 1231a46 | 2016-03-19 00:47:17 +0100 | [diff] [blame] | 735 | goto cleanup; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 736 | } |
| 737 | else /* if (rc == -1) */ |
| 738 | goto cleanup; |
| 739 | |
| 740 | return_none: |
| 741 | result = Py_None; |
| 742 | Py_INCREF(result); |
| 743 | |
| 744 | cleanup: |
Benjamin Peterson | deff2b7 | 2015-05-03 11:23:37 -0400 | [diff] [blame] | 745 | Py_XDECREF(item); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 746 | Py_XDECREF(key); |
| 747 | Py_XDECREF(text); |
| 748 | Py_XDECREF(lineno_obj); |
| 749 | Py_DECREF(module); |
Brett Cannon | db73491 | 2008-06-27 00:52:15 +0000 | [diff] [blame] | 750 | Py_XDECREF(message); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 751 | return result; /* Py_None or NULL. */ |
| 752 | } |
| 753 | |
Larry Hastings | 714e493 | 2015-09-06 00:39:37 -0700 | [diff] [blame] | 754 | static int |
| 755 | is_internal_frame(PyFrameObject *frame) |
| 756 | { |
| 757 | static PyObject *importlib_string = NULL; |
| 758 | static PyObject *bootstrap_string = NULL; |
| 759 | PyObject *filename; |
| 760 | int contains; |
| 761 | |
| 762 | if (importlib_string == NULL) { |
| 763 | importlib_string = PyUnicode_FromString("importlib"); |
| 764 | if (importlib_string == NULL) { |
| 765 | return 0; |
| 766 | } |
| 767 | |
| 768 | bootstrap_string = PyUnicode_FromString("_bootstrap"); |
| 769 | if (bootstrap_string == NULL) { |
| 770 | Py_DECREF(importlib_string); |
| 771 | return 0; |
| 772 | } |
| 773 | Py_INCREF(importlib_string); |
| 774 | Py_INCREF(bootstrap_string); |
| 775 | } |
| 776 | |
| 777 | if (frame == NULL || frame->f_code == NULL || |
| 778 | frame->f_code->co_filename == NULL) { |
| 779 | return 0; |
| 780 | } |
| 781 | filename = frame->f_code->co_filename; |
| 782 | if (!PyUnicode_Check(filename)) { |
| 783 | return 0; |
| 784 | } |
| 785 | contains = PyUnicode_Contains(filename, importlib_string); |
| 786 | if (contains < 0) { |
| 787 | return 0; |
| 788 | } |
| 789 | else if (contains > 0) { |
| 790 | contains = PyUnicode_Contains(filename, bootstrap_string); |
| 791 | if (contains < 0) { |
| 792 | return 0; |
| 793 | } |
| 794 | else if (contains > 0) { |
| 795 | return 1; |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | return 0; |
| 800 | } |
| 801 | |
| 802 | static PyFrameObject * |
| 803 | next_external_frame(PyFrameObject *frame) |
| 804 | { |
| 805 | do { |
| 806 | frame = frame->f_back; |
| 807 | } while (frame != NULL && is_internal_frame(frame)); |
| 808 | |
| 809 | return frame; |
| 810 | } |
| 811 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 812 | /* filename, module, and registry are new refs, globals is borrowed */ |
| 813 | /* Returns 0 on error (no new refs), 1 on success */ |
| 814 | static int |
| 815 | setup_context(Py_ssize_t stack_level, PyObject **filename, int *lineno, |
| 816 | PyObject **module, PyObject **registry) |
| 817 | { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 818 | _Py_IDENTIFIER(__warningregistry__); |
| 819 | _Py_IDENTIFIER(__name__); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 820 | PyObject *globals; |
| 821 | |
Thomas Kluyver | 11a8966 | 2018-06-08 21:28:37 +0200 | [diff] [blame] | 822 | /* Setup globals, filename and lineno. */ |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 823 | PyFrameObject *f = _PyThreadState_GET()->frame; |
Larry Hastings | 714e493 | 2015-09-06 00:39:37 -0700 | [diff] [blame] | 824 | // Stack level comparisons to Python code is off by one as there is no |
| 825 | // warnings-related stack level to avoid. |
| 826 | if (stack_level <= 0 || is_internal_frame(f)) { |
| 827 | while (--stack_level > 0 && f != NULL) { |
| 828 | f = f->f_back; |
| 829 | } |
| 830 | } |
| 831 | else { |
| 832 | while (--stack_level > 0 && f != NULL) { |
| 833 | f = next_external_frame(f); |
| 834 | } |
| 835 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 836 | |
| 837 | if (f == NULL) { |
Victor Stinner | caba55b | 2018-08-03 15:33:52 +0200 | [diff] [blame] | 838 | globals = _PyInterpreterState_GET_UNSAFE()->sysdict; |
Thomas Kluyver | 11a8966 | 2018-06-08 21:28:37 +0200 | [diff] [blame] | 839 | *filename = PyUnicode_FromString("sys"); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 840 | *lineno = 1; |
| 841 | } |
| 842 | else { |
| 843 | globals = f->f_globals; |
Thomas Kluyver | 11a8966 | 2018-06-08 21:28:37 +0200 | [diff] [blame] | 844 | *filename = f->f_code->co_filename; |
| 845 | Py_INCREF(*filename); |
Alexandre Vassalotti | 7b82b40 | 2009-07-21 04:30:03 +0000 | [diff] [blame] | 846 | *lineno = PyFrame_GetLineNumber(f); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 847 | } |
| 848 | |
| 849 | *module = NULL; |
| 850 | |
| 851 | /* Setup registry. */ |
| 852 | assert(globals != NULL); |
| 853 | assert(PyDict_Check(globals)); |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 854 | *registry = _PyDict_GetItemIdWithError(globals, &PyId___warningregistry__); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 855 | if (*registry == NULL) { |
| 856 | int rc; |
| 857 | |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 858 | if (PyErr_Occurred()) { |
| 859 | return 0; |
| 860 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 861 | *registry = PyDict_New(); |
| 862 | if (*registry == NULL) |
| 863 | return 0; |
| 864 | |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 865 | rc = _PyDict_SetItemId(globals, &PyId___warningregistry__, *registry); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 866 | if (rc < 0) |
| 867 | goto handle_error; |
| 868 | } |
| 869 | else |
| 870 | Py_INCREF(*registry); |
| 871 | |
| 872 | /* Setup module. */ |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 873 | *module = _PyDict_GetItemIdWithError(globals, &PyId___name__); |
Oren Milman | 5d3e800 | 2017-09-24 21:28:42 +0300 | [diff] [blame] | 874 | if (*module == Py_None || (*module != NULL && PyUnicode_Check(*module))) { |
| 875 | Py_INCREF(*module); |
| 876 | } |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 877 | else if (PyErr_Occurred()) { |
| 878 | goto handle_error; |
| 879 | } |
Oren Milman | 5d3e800 | 2017-09-24 21:28:42 +0300 | [diff] [blame] | 880 | else { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 881 | *module = PyUnicode_FromString("<string>"); |
| 882 | if (*module == NULL) |
| 883 | goto handle_error; |
| 884 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 885 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 886 | return 1; |
| 887 | |
| 888 | handle_error: |
| 889 | /* filename not XDECREF'ed here as there is no way to jump here with a |
| 890 | dangling reference. */ |
| 891 | Py_XDECREF(*registry); |
| 892 | Py_XDECREF(*module); |
| 893 | return 0; |
| 894 | } |
| 895 | |
| 896 | static PyObject * |
| 897 | get_category(PyObject *message, PyObject *category) |
| 898 | { |
| 899 | int rc; |
| 900 | |
| 901 | /* Get category. */ |
| 902 | rc = PyObject_IsInstance(message, PyExc_Warning); |
| 903 | if (rc == -1) |
| 904 | return NULL; |
| 905 | |
| 906 | if (rc == 1) |
| 907 | category = (PyObject*)message->ob_type; |
Berker Peksag | d8089e0 | 2014-07-11 19:50:25 +0300 | [diff] [blame] | 908 | else if (category == NULL || category == Py_None) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 909 | category = PyExc_UserWarning; |
| 910 | |
| 911 | /* Validate category. */ |
| 912 | rc = PyObject_IsSubclass(category, PyExc_Warning); |
Berker Peksag | d8089e0 | 2014-07-11 19:50:25 +0300 | [diff] [blame] | 913 | /* category is not a subclass of PyExc_Warning or |
| 914 | PyObject_IsSubclass raised an error */ |
| 915 | if (rc == -1 || rc == 0) { |
| 916 | PyErr_Format(PyExc_TypeError, |
| 917 | "category must be a Warning subclass, not '%s'", |
| 918 | Py_TYPE(category)->tp_name); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 919 | return NULL; |
| 920 | } |
| 921 | |
| 922 | return category; |
| 923 | } |
| 924 | |
| 925 | static PyObject * |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 926 | do_warn(PyObject *message, PyObject *category, Py_ssize_t stack_level, |
| 927 | PyObject *source) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 928 | { |
| 929 | PyObject *filename, *module, *registry, *res; |
| 930 | int lineno; |
| 931 | |
| 932 | if (!setup_context(stack_level, &filename, &lineno, &module, ®istry)) |
| 933 | return NULL; |
| 934 | |
Victor Stinner | dcdd05b | 2013-11-01 00:55:30 +0100 | [diff] [blame] | 935 | res = warn_explicit(category, message, filename, lineno, module, registry, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 936 | NULL, source); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 937 | Py_DECREF(filename); |
| 938 | Py_DECREF(registry); |
| 939 | Py_DECREF(module); |
| 940 | return res; |
| 941 | } |
| 942 | |
Victor Stinner | 22f1875 | 2016-12-09 18:08:18 +0100 | [diff] [blame] | 943 | /*[clinic input] |
| 944 | warn as warnings_warn |
| 945 | |
| 946 | message: object |
| 947 | category: object = None |
| 948 | stacklevel: Py_ssize_t = 1 |
| 949 | source: object = None |
| 950 | |
| 951 | Issue a warning, or maybe ignore it or raise an exception. |
| 952 | [clinic start generated code]*/ |
| 953 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 954 | static PyObject * |
Victor Stinner | 22f1875 | 2016-12-09 18:08:18 +0100 | [diff] [blame] | 955 | warnings_warn_impl(PyObject *module, PyObject *message, PyObject *category, |
| 956 | Py_ssize_t stacklevel, PyObject *source) |
| 957 | /*[clinic end generated code: output=31ed5ab7d8d760b2 input=bfdf5cf99f6c4edd]*/ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 958 | { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 959 | category = get_category(message, category); |
| 960 | if (category == NULL) |
| 961 | return NULL; |
Victor Stinner | 22f1875 | 2016-12-09 18:08:18 +0100 | [diff] [blame] | 962 | return do_warn(message, category, stacklevel, source); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 963 | } |
| 964 | |
| 965 | static PyObject * |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 966 | get_source_line(PyObject *module_globals, int lineno) |
| 967 | { |
| 968 | _Py_IDENTIFIER(get_source); |
| 969 | _Py_IDENTIFIER(__loader__); |
| 970 | _Py_IDENTIFIER(__name__); |
| 971 | PyObject *loader; |
| 972 | PyObject *module_name; |
| 973 | PyObject *get_source; |
| 974 | PyObject *source; |
| 975 | PyObject *source_list; |
| 976 | PyObject *source_line; |
| 977 | |
| 978 | /* Check/get the requisite pieces needed for the loader. */ |
| 979 | loader = _PyDict_GetItemIdWithError(module_globals, &PyId___loader__); |
| 980 | if (loader == NULL) { |
| 981 | return NULL; |
| 982 | } |
| 983 | Py_INCREF(loader); |
| 984 | module_name = _PyDict_GetItemIdWithError(module_globals, &PyId___name__); |
| 985 | if (!module_name) { |
| 986 | Py_DECREF(loader); |
| 987 | return NULL; |
| 988 | } |
| 989 | Py_INCREF(module_name); |
| 990 | |
| 991 | /* Make sure the loader implements the optional get_source() method. */ |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 992 | (void)_PyObject_LookupAttrId(loader, &PyId_get_source, &get_source); |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 993 | Py_DECREF(loader); |
| 994 | if (!get_source) { |
| 995 | Py_DECREF(module_name); |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 996 | return NULL; |
| 997 | } |
| 998 | /* Call get_source() to get the source code. */ |
| 999 | source = PyObject_CallFunctionObjArgs(get_source, module_name, NULL); |
| 1000 | Py_DECREF(get_source); |
| 1001 | Py_DECREF(module_name); |
| 1002 | if (!source) { |
| 1003 | return NULL; |
| 1004 | } |
| 1005 | if (source == Py_None) { |
| 1006 | Py_DECREF(source); |
| 1007 | return NULL; |
| 1008 | } |
| 1009 | |
| 1010 | /* Split the source into lines. */ |
| 1011 | source_list = PyUnicode_Splitlines(source, 0); |
| 1012 | Py_DECREF(source); |
| 1013 | if (!source_list) { |
| 1014 | return NULL; |
| 1015 | } |
| 1016 | |
| 1017 | /* Get the source line. */ |
| 1018 | source_line = PyList_GetItem(source_list, lineno-1); |
| 1019 | Py_XINCREF(source_line); |
| 1020 | Py_DECREF(source_list); |
| 1021 | return source_line; |
| 1022 | } |
| 1023 | |
| 1024 | static PyObject * |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1025 | warnings_warn_explicit(PyObject *self, PyObject *args, PyObject *kwds) |
| 1026 | { |
| 1027 | static char *kwd_list[] = {"message", "category", "filename", "lineno", |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1028 | "module", "registry", "module_globals", |
| 1029 | "source", 0}; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1030 | PyObject *message; |
| 1031 | PyObject *category; |
| 1032 | PyObject *filename; |
| 1033 | int lineno; |
| 1034 | PyObject *module = NULL; |
| 1035 | PyObject *registry = NULL; |
| 1036 | PyObject *module_globals = NULL; |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1037 | PyObject *sourceobj = NULL; |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 1038 | PyObject *source_line = NULL; |
| 1039 | PyObject *returned; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1040 | |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1041 | if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOUi|OOOO:warn_explicit", |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1042 | kwd_list, &message, &category, &filename, &lineno, &module, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1043 | ®istry, &module_globals, &sourceobj)) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1044 | return NULL; |
| 1045 | |
Victor Stinner | b056562 | 2018-05-15 20:42:12 +0200 | [diff] [blame] | 1046 | if (module_globals && module_globals != Py_None) { |
| 1047 | if (!PyDict_Check(module_globals)) { |
| 1048 | PyErr_Format(PyExc_TypeError, |
| 1049 | "module_globals must be a dict, not '%.200s'", |
| 1050 | Py_TYPE(module_globals)->tp_name); |
| 1051 | return NULL; |
| 1052 | } |
| 1053 | |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 1054 | source_line = get_source_line(module_globals, lineno); |
| 1055 | if (source_line == NULL && PyErr_Occurred()) { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1056 | return NULL; |
| 1057 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1058 | } |
Serhiy Storchaka | d4f8480 | 2017-11-11 15:19:47 +0200 | [diff] [blame] | 1059 | returned = warn_explicit(category, message, filename, lineno, module, |
| 1060 | registry, source_line, sourceobj); |
| 1061 | Py_XDECREF(source_line); |
| 1062 | return returned; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1063 | } |
| 1064 | |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 1065 | static PyObject * |
| 1066 | warnings_filters_mutated(PyObject *self, PyObject *args) |
| 1067 | { |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1068 | WarningsState *st = _Warnings_GetState(); |
| 1069 | if (st == NULL) { |
| 1070 | return NULL; |
| 1071 | } |
| 1072 | st->filters_version++; |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 1073 | Py_RETURN_NONE; |
| 1074 | } |
| 1075 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1076 | |
| 1077 | /* Function to issue a warning message; may raise an exception. */ |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1078 | |
| 1079 | static int |
| 1080 | warn_unicode(PyObject *category, PyObject *message, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1081 | Py_ssize_t stack_level, PyObject *source) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1082 | { |
| 1083 | PyObject *res; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1084 | |
| 1085 | if (category == NULL) |
| 1086 | category = PyExc_RuntimeWarning; |
| 1087 | |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1088 | res = do_warn(message, category, stack_level, source); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1089 | if (res == NULL) |
| 1090 | return -1; |
| 1091 | Py_DECREF(res); |
| 1092 | |
| 1093 | return 0; |
| 1094 | } |
| 1095 | |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1096 | static int |
| 1097 | _PyErr_WarnFormatV(PyObject *source, |
| 1098 | PyObject *category, Py_ssize_t stack_level, |
| 1099 | const char *format, va_list vargs) |
| 1100 | { |
| 1101 | PyObject *message; |
| 1102 | int res; |
| 1103 | |
| 1104 | message = PyUnicode_FromFormatV(format, vargs); |
| 1105 | if (message == NULL) |
| 1106 | return -1; |
| 1107 | |
| 1108 | res = warn_unicode(category, message, stack_level, source); |
| 1109 | Py_DECREF(message); |
| 1110 | return res; |
| 1111 | } |
| 1112 | |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1113 | int |
| 1114 | PyErr_WarnFormat(PyObject *category, Py_ssize_t stack_level, |
| 1115 | const char *format, ...) |
| 1116 | { |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1117 | int res; |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1118 | va_list vargs; |
| 1119 | |
| 1120 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1121 | va_start(vargs, format); |
| 1122 | #else |
| 1123 | va_start(vargs); |
| 1124 | #endif |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1125 | res = _PyErr_WarnFormatV(NULL, category, stack_level, format, vargs); |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1126 | va_end(vargs); |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1127 | return res; |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1128 | } |
| 1129 | |
| 1130 | int |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1131 | PyErr_ResourceWarning(PyObject *source, Py_ssize_t stack_level, |
| 1132 | const char *format, ...) |
| 1133 | { |
| 1134 | int res; |
| 1135 | va_list vargs; |
| 1136 | |
| 1137 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1138 | va_start(vargs, format); |
| 1139 | #else |
| 1140 | va_start(vargs); |
| 1141 | #endif |
| 1142 | res = _PyErr_WarnFormatV(source, PyExc_ResourceWarning, |
| 1143 | stack_level, format, vargs); |
| 1144 | va_end(vargs); |
| 1145 | return res; |
| 1146 | } |
| 1147 | |
| 1148 | |
| 1149 | int |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1150 | PyErr_WarnEx(PyObject *category, const char *text, Py_ssize_t stack_level) |
| 1151 | { |
| 1152 | int ret; |
| 1153 | PyObject *message = PyUnicode_FromString(text); |
| 1154 | if (message == NULL) |
| 1155 | return -1; |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1156 | ret = warn_unicode(category, message, stack_level, NULL); |
Victor Stinner | 4a2b7a1 | 2010-08-13 14:03:48 +0000 | [diff] [blame] | 1157 | Py_DECREF(message); |
| 1158 | return ret; |
| 1159 | } |
| 1160 | |
Ezio Melotti | 42da663 | 2011-03-15 05:18:48 +0200 | [diff] [blame] | 1161 | /* PyErr_Warn is only for backwards compatibility and will be removed. |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1162 | Use PyErr_WarnEx instead. */ |
| 1163 | |
| 1164 | #undef PyErr_Warn |
| 1165 | |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1166 | int |
Serhiy Storchaka | ef1585e | 2015-12-25 20:01:53 +0200 | [diff] [blame] | 1167 | PyErr_Warn(PyObject *category, const char *text) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1168 | { |
| 1169 | return PyErr_WarnEx(category, text, 1); |
| 1170 | } |
| 1171 | |
| 1172 | /* Warning with explicit origin */ |
| 1173 | int |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1174 | PyErr_WarnExplicitObject(PyObject *category, PyObject *message, |
| 1175 | PyObject *filename, int lineno, |
| 1176 | PyObject *module, PyObject *registry) |
| 1177 | { |
| 1178 | PyObject *res; |
| 1179 | if (category == NULL) |
| 1180 | category = PyExc_RuntimeWarning; |
| 1181 | res = warn_explicit(category, message, filename, lineno, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1182 | module, registry, NULL, NULL); |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1183 | if (res == NULL) |
| 1184 | return -1; |
| 1185 | Py_DECREF(res); |
| 1186 | return 0; |
| 1187 | } |
| 1188 | |
| 1189 | int |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1190 | PyErr_WarnExplicit(PyObject *category, const char *text, |
| 1191 | const char *filename_str, int lineno, |
| 1192 | const char *module_str, PyObject *registry) |
| 1193 | { |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1194 | PyObject *message = PyUnicode_FromString(text); |
Victor Stinner | cb428f0 | 2010-12-27 20:10:36 +0000 | [diff] [blame] | 1195 | PyObject *filename = PyUnicode_DecodeFSDefault(filename_str); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1196 | PyObject *module = NULL; |
| 1197 | int ret = -1; |
| 1198 | |
| 1199 | if (message == NULL || filename == NULL) |
| 1200 | goto exit; |
| 1201 | if (module_str != NULL) { |
| 1202 | module = PyUnicode_FromString(module_str); |
Antoine Pitrou | 070cb3c | 2013-05-08 13:23:25 +0200 | [diff] [blame] | 1203 | if (module == NULL) |
| 1204 | goto exit; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1205 | } |
| 1206 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1207 | ret = PyErr_WarnExplicitObject(category, message, filename, lineno, |
| 1208 | module, registry); |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1209 | |
| 1210 | exit: |
| 1211 | Py_XDECREF(message); |
| 1212 | Py_XDECREF(module); |
| 1213 | Py_XDECREF(filename); |
| 1214 | return ret; |
| 1215 | } |
| 1216 | |
Antoine Pitrou | 070cb3c | 2013-05-08 13:23:25 +0200 | [diff] [blame] | 1217 | int |
| 1218 | PyErr_WarnExplicitFormat(PyObject *category, |
| 1219 | const char *filename_str, int lineno, |
| 1220 | const char *module_str, PyObject *registry, |
| 1221 | const char *format, ...) |
| 1222 | { |
| 1223 | PyObject *message; |
| 1224 | PyObject *module = NULL; |
| 1225 | PyObject *filename = PyUnicode_DecodeFSDefault(filename_str); |
| 1226 | int ret = -1; |
| 1227 | va_list vargs; |
| 1228 | |
| 1229 | if (filename == NULL) |
| 1230 | goto exit; |
| 1231 | if (module_str != NULL) { |
| 1232 | module = PyUnicode_FromString(module_str); |
| 1233 | if (module == NULL) |
| 1234 | goto exit; |
| 1235 | } |
| 1236 | |
| 1237 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1238 | va_start(vargs, format); |
| 1239 | #else |
| 1240 | va_start(vargs); |
| 1241 | #endif |
| 1242 | message = PyUnicode_FromFormatV(format, vargs); |
| 1243 | if (message != NULL) { |
| 1244 | PyObject *res; |
| 1245 | res = warn_explicit(category, message, filename, lineno, |
Victor Stinner | 914cde8 | 2016-03-19 01:03:51 +0100 | [diff] [blame] | 1246 | module, registry, NULL, NULL); |
Antoine Pitrou | 070cb3c | 2013-05-08 13:23:25 +0200 | [diff] [blame] | 1247 | Py_DECREF(message); |
| 1248 | if (res != NULL) { |
| 1249 | Py_DECREF(res); |
| 1250 | ret = 0; |
| 1251 | } |
| 1252 | } |
| 1253 | va_end(vargs); |
| 1254 | exit: |
| 1255 | Py_XDECREF(module); |
| 1256 | Py_XDECREF(filename); |
| 1257 | return ret; |
| 1258 | } |
| 1259 | |
Nathaniel J. Smith | fc2f407 | 2018-01-21 06:44:07 -0800 | [diff] [blame] | 1260 | void |
| 1261 | _PyErr_WarnUnawaitedCoroutine(PyObject *coro) |
| 1262 | { |
| 1263 | /* First, we attempt to funnel the warning through |
| 1264 | warnings._warn_unawaited_coroutine. |
| 1265 | |
| 1266 | This could raise an exception, due to: |
| 1267 | - a bug |
| 1268 | - some kind of shutdown-related brokenness |
| 1269 | - succeeding, but with an "error" warning filter installed, so the |
| 1270 | warning is converted into a RuntimeWarning exception |
| 1271 | |
| 1272 | In the first two cases, we want to print the error (so we know what it |
| 1273 | is!), and then print a warning directly as a fallback. In the last |
| 1274 | case, we want to print the error (since it's the warning!), but *not* |
| 1275 | do a fallback. And after we print the error we can't check for what |
| 1276 | type of error it was (because PyErr_WriteUnraisable clears it), so we |
| 1277 | need a flag to keep track. |
| 1278 | |
| 1279 | Since this is called from __del__ context, it's careful to never raise |
| 1280 | an exception. |
| 1281 | */ |
| 1282 | _Py_IDENTIFIER(_warn_unawaited_coroutine); |
| 1283 | int warned = 0; |
| 1284 | PyObject *fn = get_warnings_attr(&PyId__warn_unawaited_coroutine, 1); |
| 1285 | if (fn) { |
| 1286 | PyObject *res = PyObject_CallFunctionObjArgs(fn, coro, NULL); |
| 1287 | Py_DECREF(fn); |
| 1288 | if (res || PyErr_ExceptionMatches(PyExc_RuntimeWarning)) { |
| 1289 | warned = 1; |
| 1290 | } |
| 1291 | Py_XDECREF(res); |
| 1292 | } |
| 1293 | |
| 1294 | if (PyErr_Occurred()) { |
| 1295 | PyErr_WriteUnraisable(coro); |
| 1296 | } |
| 1297 | if (!warned) { |
Yury Selivanov | 3510334 | 2018-01-21 20:47:04 -0500 | [diff] [blame] | 1298 | if (PyErr_WarnFormat(PyExc_RuntimeWarning, 1, |
| 1299 | "coroutine '%.50S' was never awaited", |
| 1300 | ((PyCoroObject *)coro)->cr_qualname) < 0) |
| 1301 | { |
Nathaniel J. Smith | fc2f407 | 2018-01-21 06:44:07 -0800 | [diff] [blame] | 1302 | PyErr_WriteUnraisable(coro); |
| 1303 | } |
| 1304 | } |
| 1305 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1306 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1307 | PyDoc_STRVAR(warn_explicit_doc, |
| 1308 | "Low-level inferface to warnings functionality."); |
| 1309 | |
| 1310 | static PyMethodDef warnings_functions[] = { |
Victor Stinner | 22f1875 | 2016-12-09 18:08:18 +0100 | [diff] [blame] | 1311 | WARNINGS_WARN_METHODDEF |
Serhiy Storchaka | 62be742 | 2018-11-27 13:27:31 +0200 | [diff] [blame] | 1312 | {"warn_explicit", (PyCFunction)(void(*)(void))warnings_warn_explicit, |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1313 | METH_VARARGS | METH_KEYWORDS, warn_explicit_doc}, |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 1314 | {"_filters_mutated", (PyCFunction)warnings_filters_mutated, METH_NOARGS, |
| 1315 | NULL}, |
Christian Heimes | 1a8501c | 2008-10-02 19:56:01 +0000 | [diff] [blame] | 1316 | /* XXX(brett.cannon): add showwarning? */ |
| 1317 | /* XXX(brett.cannon): Reasonable to add formatwarning? */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1318 | {NULL, NULL} /* sentinel */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1319 | }; |
| 1320 | |
| 1321 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1322 | static struct PyModuleDef warningsmodule = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1323 | PyModuleDef_HEAD_INIT, |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1324 | MODULE_NAME, /* m_name */ |
| 1325 | warnings__doc__, /* m_doc */ |
| 1326 | 0, /* m_size */ |
| 1327 | warnings_functions, /* m_methods */ |
| 1328 | NULL, /* m_reload */ |
| 1329 | NULL, /* m_traverse */ |
| 1330 | NULL, /* m_clear */ |
| 1331 | NULL /* m_free */ |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1332 | }; |
| 1333 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1334 | |
Victor Stinner | 5d86246 | 2017-12-19 11:35:58 +0100 | [diff] [blame] | 1335 | PyMODINIT_FUNC |
| 1336 | _PyWarnings_Init(void) |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1337 | { |
Brett Cannon | 0759dd6 | 2009-04-01 18:13:07 +0000 | [diff] [blame] | 1338 | PyObject *m; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1339 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1340 | m = PyModule_Create(&warningsmodule); |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1341 | if (m == NULL) { |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1342 | return NULL; |
Antoine Pitrou | aa5c5c6 | 2012-01-18 21:45:15 +0100 | [diff] [blame] | 1343 | } |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1344 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1345 | WarningsState *st = _Warnings_GetState(); |
| 1346 | if (st == NULL) { |
| 1347 | goto error; |
Antoine Pitrou | aa5c5c6 | 2012-01-18 21:45:15 +0100 | [diff] [blame] | 1348 | } |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1349 | if (_Warnings_InitState(st) < 0) { |
| 1350 | goto error; |
Antoine Pitrou | aa5c5c6 | 2012-01-18 21:45:15 +0100 | [diff] [blame] | 1351 | } |
Antoine Pitrou | cb0a006 | 2014-09-18 02:40:46 +0200 | [diff] [blame] | 1352 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1353 | Py_INCREF(st->filters); |
| 1354 | if (PyModule_AddObject(m, "filters", st->filters) < 0) { |
| 1355 | goto error; |
| 1356 | } |
| 1357 | |
| 1358 | Py_INCREF(st->once_registry); |
| 1359 | if (PyModule_AddObject(m, "_onceregistry", st->once_registry) < 0) { |
| 1360 | goto error; |
| 1361 | } |
| 1362 | |
| 1363 | Py_INCREF(st->default_action); |
| 1364 | if (PyModule_AddObject(m, "_defaultaction", st->default_action) < 0) { |
| 1365 | goto error; |
| 1366 | } |
| 1367 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1368 | return m; |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1369 | |
| 1370 | error: |
| 1371 | if (st != NULL) { |
| 1372 | _Warnings_ClearState(st); |
| 1373 | } |
| 1374 | Py_DECREF(m); |
| 1375 | return NULL; |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1376 | } |
Victor Stinner | 87d23a0 | 2019-04-26 05:49:26 +0200 | [diff] [blame] | 1377 | |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1378 | // We need this to ensure that warnings still work until late in finalization. |
Victor Stinner | 87d23a0 | 2019-04-26 05:49:26 +0200 | [diff] [blame] | 1379 | void |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1380 | _PyWarnings_Fini(PyInterpreterState *interp) |
Victor Stinner | 87d23a0 | 2019-04-26 05:49:26 +0200 | [diff] [blame] | 1381 | { |
Eric Snow | 86ea581 | 2019-05-10 13:29:55 -0400 | [diff] [blame] | 1382 | _Warnings_ClearState(&interp->warnings); |
Victor Stinner | 87d23a0 | 2019-04-26 05:49:26 +0200 | [diff] [blame] | 1383 | } |