[Python-checkins] r52306 - in python/branches/release25-maint: Lib/test/test_builtin.py Misc/NEWS Objects/intobject.c
georg.brandl
python-checkins at python.org
Thu Oct 12 13:28:05 CEST 2006
Author: georg.brandl
Date: Thu Oct 12 13:28:04 2006
New Revision: 52306
Modified:
python/branches/release25-maint/Lib/test/test_builtin.py
python/branches/release25-maint/Misc/NEWS
python/branches/release25-maint/Objects/intobject.c
Log:
Bug #1545497: when given an explicit base, int() did ignore NULs
embedded in the string to convert.
(backport from rev. 52305)
Modified: python/branches/release25-maint/Lib/test/test_builtin.py
==============================================================================
--- python/branches/release25-maint/Lib/test/test_builtin.py (original)
+++ python/branches/release25-maint/Lib/test/test_builtin.py Thu Oct 12 13:28:04 2006
@@ -729,6 +729,11 @@
self.assertRaises(ValueError, int, '123\0')
self.assertRaises(ValueError, int, '53', 40)
+ # SF bug 1545497: embedded NULs were not detected with
+ # explicit base
+ self.assertRaises(ValueError, int, '123\0', 10)
+ self.assertRaises(ValueError, int, '123\x00 245', 20)
+
x = int('1' * 600)
self.assert_(isinstance(x, long))
Modified: python/branches/release25-maint/Misc/NEWS
==============================================================================
--- python/branches/release25-maint/Misc/NEWS (original)
+++ python/branches/release25-maint/Misc/NEWS Thu Oct 12 13:28:04 2006
@@ -12,6 +12,9 @@
Core and builtins
-----------------
+- Bug #1545497: when given an explicit base, int() did ignore NULs
+ embedded in the string to convert.
+
- Bug #1569998: break inside a try statement (outside a loop) is now
recognized and rejected.
Modified: python/branches/release25-maint/Objects/intobject.c
==============================================================================
--- python/branches/release25-maint/Objects/intobject.c (original)
+++ python/branches/release25-maint/Objects/intobject.c Thu Oct 12 13:28:04 2006
@@ -987,8 +987,25 @@
return PyInt_FromLong(0L);
if (base == -909)
return PyNumber_Int(x);
- if (PyString_Check(x))
- return PyInt_FromString(PyString_AS_STRING(x), NULL, base);
+ if (PyString_Check(x)) {
+ /* Since PyInt_FromString doesn't have a length parameter,
+ * check here for possible NULs in the string. */
+ char *string = PyString_AS_STRING(x);
+ if (strlen(string) != PyString_Size(x)) {
+ /* create a repr() of the input string,
+ * just like PyInt_FromString does */
+ PyObject *srepr;
+ srepr = PyObject_Repr(x);
+ if (srepr == NULL)
+ return NULL;
+ PyErr_Format(PyExc_ValueError,
+ "invalid literal for int() with base %d: %s",
+ base, PyString_AS_STRING(srepr));
+ Py_DECREF(srepr);
+ return NULL;
+ }
+ return PyInt_FromString(string, NULL, base);
+ }
#ifdef Py_USING_UNICODE
if (PyUnicode_Check(x))
return PyInt_FromUnicode(PyUnicode_AS_UNICODE(x),
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