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comparison Python/errors.c @ 57961:cf39c5e462f9 legacy-trunk

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#7033: add new API function PyErr_NewExceptionWithDoc, for easily giving new exceptions a docstring.
author Georg Brandl <georg@python.org>
date Mon, 28 Dec 2009 08:34:58 +0000
parents 921e569d1215
children fd25030223b0
comparison
equal deleted inserted replaced
57959:fe0459dc9889 57961:cf39c5e462f9
602 Py_XDECREF(classname); 602 Py_XDECREF(classname);
603 Py_XDECREF(modulename); 603 Py_XDECREF(modulename);
604 return result; 604 return result;
605 } 605 }
606 606
607
608 /* Create an exception with docstring */
609 PyObject *
610 PyErr_NewExceptionWithDoc(char *name, char *doc, PyObject *base, PyObject *dict)
611 {
612 int result;
613 PyObject *ret = NULL;
614 PyObject *mydict = NULL; /* points to the dict only if we create it */
615 PyObject *docobj;
616
617 if (dict == NULL) {
618 dict = mydict = PyDict_New();
619 if (dict == NULL) {
620 return NULL;
621 }
622 }
623
624 if (doc != NULL) {
625 docobj = PyString_FromString(doc);
626 if (docobj == NULL)
627 goto failure;
628 result = PyDict_SetItemString(dict, "__doc__", docobj);
629 Py_DECREF(docobj);
630 if (result < 0)
631 goto failure;
632 }
633
634 ret = PyErr_NewException(name, base, dict);
635 failure:
636 Py_XDECREF(mydict);
637 return ret;
638 }
639
640
607 /* Call when an exception has occurred but there is no way for Python 641 /* Call when an exception has occurred but there is no way for Python
608 to handle it. Examples: exception in __del__ or during GC. */ 642 to handle it. Examples: exception in __del__ or during GC. */
609 void 643 void
610 PyErr_WriteUnraisable(PyObject *obj) 644 PyErr_WriteUnraisable(PyObject *obj)
611 { 645 {