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comparison Python/errors.c @ 6377:4cb223f29337 legacy-trunk

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New version of PyErr_NewException() that is compatible with -X option.
author Guido van Rossum <guido@python.org>
date Fri, 03 Oct 1997 19:50:55 +0000
parents 9e82dd76288e
children bb440a2975ab
comparison
equal deleted inserted replaced
6376:1afcac7658e5 6377:4cb223f29337
328 } 328 }
329 329
330 330
331 PyObject * 331 PyObject *
332 PyErr_NewException(name, base, dict) 332 PyErr_NewException(name, base, dict)
333 char *name; 333 char *name; /* modulename.classname */
334 PyObject *base; 334 PyObject *base;
335 PyObject *dict; 335 PyObject *dict;
336 { 336 {
337 PyObject *nname = PyString_InternFromString(name); 337 char *dot;
338 PyObject *ndict = NULL; 338 PyObject *modulename = NULL;
339 PyObject *nbases = NULL; 339 PyObject *classname = NULL;
340 PyObject *mydict = NULL;
341 PyObject *bases = NULL;
340 PyObject *result = NULL; 342 PyObject *result = NULL;
341 if (nname == NULL) 343 dot = strrchr(name, '.');
344 if (dot == NULL) {
345 PyErr_SetString(PyExc_SystemError,
346 "PyErr_NewException: name must be module.class");
342 return NULL; 347 return NULL;
348 }
349 if (base == NULL)
350 base = PyExc_Exception;
351 if (!PyClass_Check(base)) {
352 /* Must be using string-based standard exceptions (-X) */
353 return PyString_FromString(name);
354 }
343 if (dict == NULL) { 355 if (dict == NULL) {
344 dict = ndict = PyDict_New(); 356 dict = mydict = PyDict_New();
345 if (dict == NULL) 357 if (dict == NULL)
346 goto failure; 358 goto failure;
347 } 359 }
348 if (base == NULL) 360 if (PyDict_GetItemString(dict, "__module__") == NULL) {
349 base = PyExc_Exception; 361 modulename = PyString_FromStringAndSize(name, (int)(dot-name));
350 nbases = Py_BuildValue("(O)", base); 362 if (modulename == NULL)
351 if (nbases == NULL) 363 goto failure;
364 if (PyDict_SetItemString(dict, "__module__", modulename) != 0)
365 goto failure;
366 }
367 classname = PyString_FromString(dot+1);
368 if (classname == NULL)
352 goto failure; 369 goto failure;
353 result = PyClass_New(nbases, dict, nname); 370 bases = Py_BuildValue("(O)", base);
371 if (bases == NULL)
372 goto failure;
373 result = PyClass_New(bases, dict, classname);
354 failure: 374 failure:
355 Py_XDECREF(nbases); 375 Py_XDECREF(bases);
356 Py_XDECREF(ndict); 376 Py_XDECREF(mydict);
357 Py_XDECREF(nname); 377 Py_XDECREF(classname);
378 Py_XDECREF(modulename);
358 return result; 379 return result;
359 } 380 }