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Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError

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and a full traceback including line number.
This commit is contained in:
Serhiy Storchaka 2013-02-10 17:42:01 +02:00
commit 801d955f04
4 changed files with 51 additions and 9 deletions
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18
Python/ast.c
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@ -1829,20 +1829,24 @@ ast_for_atom(struct compiling *c, const node *n)
case STRING: {
PyObject *str = parsestrplus(c, n, &bytesmode);
if (!str) {
if (PyErr_ExceptionMatches(PyExc_UnicodeError)) {
const char *errtype = NULL;
if (PyErr_ExceptionMatches(PyExc_UnicodeError))
errtype = "unicode error";
else if (PyErr_ExceptionMatches(PyExc_ValueError))
errtype = "value error";
if (errtype) {
char buf[128];
PyObject *type, *value, *tback, *errstr;
PyErr_Fetch(&type, &value, &tback);
errstr = PyObject_Str(value);
if (errstr) {
char *s = "";
char buf[128];
s = _PyUnicode_AsString(errstr);
PyOS_snprintf(buf, sizeof(buf), "(unicode error) %s", s);
ast_error(c, n, buf);
char *s = _PyUnicode_AsString(errstr);
PyOS_snprintf(buf, sizeof(buf), "(%s) %s", errtype, s);
Py_DECREF(errstr);
} else {
ast_error(c, n, "(unicode error) unknown error");
PyOS_snprintf(buf, sizeof(buf), "(%s) unknown error", errtype);
}
ast_error(c, n, buf);
Py_DECREF(type);
Py_DECREF(value);
Py_XDECREF(tback);