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Issue #26312: SystemError is now raised in all programming bugs with using 

PyArg_ParseTupleAndKeywords().  RuntimeError did raised before in some
programming bugs.
This commit is contained in:
Serhiy Storchaka 2016-02-11 12:41:40 +02:00
parent 78f55ffc63
commit a9725f86a9
3 changed files with 12 additions and 8 deletions
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4
Lib/test/test_capi.py
View File

@ -491,7 +491,7 @@ class SkipitemTest(unittest.TestCase):
except SystemError as e:
s = "argument 1 (impossible<bad format char>)"
when_not_skipped = (str(e) == s)
except (TypeError, RuntimeError):
except TypeError:
when_not_skipped = False
# test the format unit when skipped
@ -500,7 +500,7 @@ class SkipitemTest(unittest.TestCase):
_testcapi.parse_tuple_and_keywords(empty_tuple, dict_b,
optional_format.encode("ascii"), keywords)
when_skipped = False
except RuntimeError as e:
except SystemError as e:
s = "impossible<bad format char>: '{}'".format(format)
when_skipped = (str(e) == s)

4
Misc/NEWS
View File

@ -741,6 +741,10 @@ Tools/Demos
C API
-----
- Issue #26312: SystemError is now raised in all programming bugs with using
PyArg_ParseTupleAndKeywords(). RuntimeError did raised before in some
programming bugs.
- Issue #26198: ValueError is now raised instead of TypeError on buffer
overflow in parsing "es#" and "et#" format units. SystemError is now raised
instead of TypeError on programmical error in parsing format string.

12
Python/getargs.c
View File

@ -1512,7 +1512,7 @@ vgetargskeywords(PyObject *args, PyObject *keywords, const char *format,
keyword = kwlist[i];
if (*format == '|') {
if (min != INT_MAX) {
PyErr_SetString(PyExc_RuntimeError,
PyErr_SetString(PyExc_SystemError,
"Invalid format string (| specified twice)");
return cleanreturn(0, &freelist);
}
@ -1521,14 +1521,14 @@ vgetargskeywords(PyObject *args, PyObject *keywords, const char *format,
format++;
if (max != INT_MAX) {
PyErr_SetString(PyExc_RuntimeError,
PyErr_SetString(PyExc_SystemError,
"Invalid format string ($ before |)");
return cleanreturn(0, &freelist);
}
}
if (*format == '$') {
if (max != INT_MAX) {
PyErr_SetString(PyExc_RuntimeError,
PyErr_SetString(PyExc_SystemError,
"Invalid format string ($ specified twice)");
return cleanreturn(0, &freelist);
}
@ -1546,7 +1546,7 @@ vgetargskeywords(PyObject *args, PyObject *keywords, const char *format,
}
}
if (IS_END_OF_FORMAT(*format)) {
PyErr_Format(PyExc_RuntimeError,
PyErr_Format(PyExc_SystemError,
"More keyword list entries (%d) than "
"format specifiers (%d)", len, i);
return cleanreturn(0, &freelist);
@ -1598,14 +1598,14 @@ vgetargskeywords(PyObject *args, PyObject *keywords, const char *format,
* keyword args */
msg = skipitem(&format, p_va, flags);
if (msg) {
PyErr_Format(PyExc_RuntimeError, "%s: '%s'", msg,
PyErr_Format(PyExc_SystemError, "%s: '%s'", msg,
format);
return cleanreturn(0, &freelist);
}
}
if (!IS_END_OF_FORMAT(*format) && (*format != '|') && (*format != '$')) {
PyErr_Format(PyExc_RuntimeError,
PyErr_Format(PyExc_SystemError,
"more argument specifiers than keyword list entries "
"(remaining format:'%s')", format);
return cleanreturn(0, &freelist);