File 32bit.patch of Package Radicale

From 8a45349ea15eb4f83389090b715c63be77738893 Mon Sep 17 00:00:00 2001
From: Peter Bieringer <pb@bieringer.de>
Date: Fri, 13 Feb 2026 05:48:02 +0100
Subject: [PATCH] fix issue#1984  (refix issue#1851)

https://github.com/Kozea/Radicale/pull/1987

---
 radicale/utils.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/radicale/utils.py b/radicale/utils.py
index 54b809131..8d7ba9144 100644
--- a/radicale/utils.py
+++ b/radicale/utils.py
@@ -338,10 +338,13 @@ def format_ut(unixtime: int) -> str:
     elif unixtime >= DATETIME_MAX_UNIXTIME:
         r = str(unixtime) + "(>=MAX:" + str(DATETIME_MAX_UNIXTIME) + ")"
     else:
-        if sys.version_info < (3, 11):
-            dt = datetime.datetime.utcfromtimestamp(unixtime)
+        if sys.maxsize > 2**32:
+            if sys.version_info < (3, 11):
+                dt = datetime.datetime.utcfromtimestamp(unixtime)
+            else:
+                dt = datetime.datetime.fromtimestamp(unixtime, datetime.UTC)
         else:
-            dt = datetime.datetime.fromtimestamp(unixtime, datetime.UTC)
+            dt = datetime.datetime(1970, 1, 1, tzinfo=datetime.timezone.utc) + datetime.timedelta(seconds=unixtime)
         r = str(unixtime) + "(" + dt.strftime('%Y-%m-%dT%H:%M:%SZ') + ")"
     return r