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Issue 2440: remove the guard around the handling of case 'n' in getargs.c's convertsimple() such that we always treat it as an index type, regardless of whether or not sizeof(size_t) == sizeof(long). Fix the test_args2.Signed_TestCase.test_n() such that it tests for adherence to PEP 357 (don't try and coerce objects that don't have nb_index slots but do have nb_int slots (i.e. floats) into indexes 'just because we can'). Three other commits are related to this one: r62269 and r62279, which were changes to PyNumber_Index (among other things) to check for nb_int slots when we lack nb_index slots -- and r62292, which is when I reverted these changes after various people pointed out that the test was in fact wrong, not the code.

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This commit is contained in:
Trent Nelson 2008-04-22 19:02:40 +00:00
parent b9e2304c44
commit 3513358e11
2 changed files with 3 additions and 6 deletions
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4
Lib/test/test_getargs2.py
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@ -187,8 +187,8 @@ class Signed_TestCase(unittest.TestCase):
# n returns 'Py_ssize_t', and does range checking
# (PY_SSIZE_T_MIN ... PY_SSIZE_T_MAX)
self.assertRaises(TypeError, getargs_n, 3.14)
self.failUnlessEqual(99, getargs_n(Long()))
self.failUnlessEqual(99, getargs_n(Int()))
self.assertRaises(TypeError, getargs_n, Long())
self.assertRaises(TypeError, getargs_n, Int())
self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1)
self.failUnlessEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN))

5
Python/getargs.c
View File

@ -663,7 +663,6 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
}
case 'n': /* Py_ssize_t */
#if SIZEOF_SIZE_T != SIZEOF_LONG
{
PyObject *iobj;
Py_ssize_t *p = va_arg(*p_va, Py_ssize_t *);
@ -672,14 +671,12 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
return converterr("integer<n>", arg, msgbuf, bufsize);
iobj = PyNumber_Index(arg);
if (iobj != NULL)
ival = PyLong_AsSsize_t(arg);
ival = PyLong_AsSsize_t(iobj);
if (ival == -1 && PyErr_Occurred())
return converterr("integer<n>", arg, msgbuf, bufsize);
*p = ival;
break;
}
#endif
/* Fall through from 'n' to 'l' if Py_ssize_t is int */
case 'l': {/* long int */
long *p = va_arg(*p_va, long *);
long ival;