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bpo-38075: Fix random_seed(): use PyObject_CallOneArg() (GH-18897) 

Fix the random.Random.seed() method when a bool is passed as the
seed.

PyObject_Vectorcall() was misused: use PyObject_CallOneArg() instead.
This commit is contained in:
Victor Stinner 2020-03-10 15:15:14 +01:00 committed by GitHub
parent 8510f43078
commit 00d7cd8ab8
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 4 additions and 5 deletions
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2
Lib/test/test_random.py
View File

@ -42,7 +42,7 @@ class TestBasicOps:
def __hash__(self):
return -1729
for arg in [None, 0, 1, -1, 10**20, -(10**20),
3.14, 'a']:
False, True, 3.14, 'a']:
self.gen.seed(arg)
for arg in [1+2j, tuple('abc'), MySeed()]:

2
Misc/NEWS.d/next/Library/2020-03-10-12-52-06.bpo-38075.qbESAF.rst Normal file
View File

@ -0,0 +1,2 @@
Fix the :meth:`random.Random.seed` method when a :class:`bool` is passed as the
seed.

5
Modules/_randommodule.c
View File

@ -264,7 +264,6 @@ random_seed(RandomObject *self, PyObject *arg)
uint32_t *key = NULL;
size_t bits, keyused;
int res;
PyObject *args[1];
if (arg == NULL || arg == Py_None) {
if (random_seed_urandom(self) < 0) {
@ -286,9 +285,7 @@ random_seed(RandomObject *self, PyObject *arg)
} else if (PyLong_Check(arg)) {
/* Calling int.__abs__() prevents calling arg.__abs__(), which might
return an invalid value. See issue #31478. */
args[0] = arg;
n = PyObject_Vectorcall(_randomstate_global->Long___abs__, args, 0,
NULL);
n = PyObject_CallOneArg(_randomstate_global->Long___abs__, arg);
}
else {
Py_hash_t hash = PyObject_Hash(arg);