From b1c5328be0bae9cc27bda8c7836c16bb4c5bf379 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Tue, 20 Feb 2024 18:45:21 +0100
Subject: [PATCH] gh-110850: Use public PyTime functions

Replace private _PyTime functions with public PyTime functions.

random_seed_time_pid() now reports errors to its caller.
---
 Modules/_datetimemodule.c |  6 +++++-
 Modules/_randommodule.c   | 18 ++++++++++++------
 Modules/timemodule.c      | 36 ++++++------------------------------
 3 files changed, 23 insertions(+), 37 deletions(-)

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 9fd59c34de6cefc..a626bda2ea9be9f 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -5133,7 +5133,11 @@ datetime_from_timestamp(PyObject *cls, TM_FUNC f, PyObject *timestamp,
 static PyObject *
 datetime_best_possible(PyObject *cls, TM_FUNC f, PyObject *tzinfo)
 {
-    PyTime_t ts = _PyTime_TimeUnchecked();
+    PyTime_t ts;
+    if (PyTime_Time(&ts) < 0) {
+        return NULL;
+    }
+
     time_t secs;
     int us;
 
diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c
index 920645b453536ab..56b891dfe0f85f8 100644
--- a/Modules/_randommodule.c
+++ b/Modules/_randommodule.c
@@ -75,7 +75,6 @@
 #include "pycore_modsupport.h"    // _PyArg_NoKeywords()
 #include "pycore_moduleobject.h"  // _PyModule_GetState()
 #include "pycore_pylifecycle.h"   // _PyOS_URandomNonblock()
-#include "pycore_time.h"          // _PyTime_TimeUnchecked()
 
 #ifdef HAVE_UNISTD_H
 #  include <unistd.h>             // getpid()
@@ -260,13 +259,15 @@ random_seed_urandom(RandomObject *self)
     return 0;
 }
 
-static void
+static int
 random_seed_time_pid(RandomObject *self)
 {
     PyTime_t now;
-    uint32_t key[5];
+    if (PyTime_Time(&now) < 0) {
+        return -1;
+    }
 
-    now = _PyTime_TimeUnchecked();
+    uint32_t key[5];
     key[0] = (uint32_t)(now & 0xffffffffU);
     key[1] = (uint32_t)(now >> 32);
 
@@ -278,11 +279,14 @@ random_seed_time_pid(RandomObject *self)
     key[2] = 0;
 #endif
 
-    now = _PyTime_MonotonicUnchecked();
+    if (PyTime_Monotonic(&now) < 0) {
+        return -1;
+    }
     key[3] = (uint32_t)(now & 0xffffffffU);
     key[4] = (uint32_t)(now >> 32);
 
     init_by_array(self, key, Py_ARRAY_LENGTH(key));
+    return 0;
 }
 
 static int
@@ -300,7 +304,9 @@ random_seed(RandomObject *self, PyObject *arg)
 
             /* Reading system entropy failed, fall back on the worst entropy:
                use the current time and process identifier. */
-            random_seed_time_pid(self);
+            if (random_seed_time_pid(self) < 0) {
+                return -1;
+            }
         }
         return 0;
     }
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index 28dba903d2b9e87..b21ec89232a0d23 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -103,19 +103,11 @@ _PyFloat_FromPyTime(PyTime_t t)
 }
 
 
-static int
-get_system_time(PyTime_t *t)
-{
-    // Avoid _PyTime_TimeUnchecked() which silently ignores errors.
-    return _PyTime_TimeWithInfo(t, NULL);
-}
-
-
 static PyObject *
 time_time(PyObject *self, PyObject *unused)
 {
     PyTime_t t;
-    if (get_system_time(&t) < 0) {
+    if (PyTime_Time(&t) < 0) {
         return NULL;
     }
     return _PyFloat_FromPyTime(t);
@@ -132,7 +124,7 @@ static PyObject *
 time_time_ns(PyObject *self, PyObject *unused)
 {
     PyTime_t t;
-    if (get_system_time(&t) < 0) {
+    if (PyTime_Time(&t) < 0) {
         return NULL;
     }
     return _PyTime_AsNanosecondsObject(t);
@@ -1156,19 +1148,11 @@ should not be relied on.");
 #endif /* HAVE_WORKING_TZSET */
 
 
-static int
-get_monotonic(PyTime_t *t)
-{
-    // Avoid _PyTime_MonotonicUnchecked() which silently ignores errors.
-    return _PyTime_MonotonicWithInfo(t, NULL);
-}
-
-
 static PyObject *
 time_monotonic(PyObject *self, PyObject *unused)
 {
     PyTime_t t;
-    if (get_monotonic(&t) < 0) {
+    if (PyTime_Monotonic(&t) < 0) {
         return NULL;
     }
     return _PyFloat_FromPyTime(t);
@@ -1183,7 +1167,7 @@ static PyObject *
 time_monotonic_ns(PyObject *self, PyObject *unused)
 {
     PyTime_t t;
-    if (get_monotonic(&t) < 0) {
+    if (PyTime_Monotonic(&t) < 0) {
         return NULL;
     }
     return _PyTime_AsNanosecondsObject(t);
@@ -1195,19 +1179,11 @@ PyDoc_STRVAR(monotonic_ns_doc,
 Monotonic clock, cannot go backward, as nanoseconds.");
 
 
-static int
-get_perf_counter(PyTime_t *t)
-{
-    // Avoid _PyTime_PerfCounterUnchecked() which silently ignores errors.
-    return _PyTime_PerfCounterWithInfo(t, NULL);
-}
-
-
 static PyObject *
 time_perf_counter(PyObject *self, PyObject *unused)
 {
     PyTime_t t;
-    if (get_perf_counter(&t) < 0) {
+    if (PyTime_PerfCounter(&t) < 0) {
         return NULL;
     }
     return _PyFloat_FromPyTime(t);
@@ -1223,7 +1199,7 @@ static PyObject *
 time_perf_counter_ns(PyObject *self, PyObject *unused)
 {
     PyTime_t t;
-    if (get_perf_counter(&t) < 0) {
+    if (PyTime_PerfCounter(&t) < 0) {
         return NULL;
     }
     return _PyTime_AsNanosecondsObject(t);