Use non-deprecated API for obtaining UTC time

DeprecationWarning: datetime.datetime.utcnow() is deprecated and
scheduled for removal in a future version. Use timezone-aware objects to
represent datetimes in UTC: datetime.datetime.now(datetime.UTC).

Change-Id: Ia2c46fb87c544d98cc2dd68a829f67d4770b479c
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/386615
Tested-by: Łukasz Patron <priv.luk@gmail.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
Reviewed-by: Łukasz Patron <priv.luk@gmail.com>
Commit-Queue: Mike Frysinger <vapier@google.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/git_trace2_event_log_base.py b/git_trace2_event_log_base.py
index a111668a..d986b240 100644
--- a/git_trace2_event_log_base.py
+++ b/git_trace2_event_log_base.py
@@ -71,7 +71,7 @@ class BaseEventLog(object):
         if env is None:
             env = os.environ
 
-        self.start = datetime.datetime.utcnow()
+        self.start = datetime.datetime.now(datetime.timezone.utc)
 
         # Save both our sid component and the complete sid.
         # We use our sid component (self._sid) as the unique filename prefix and
@@ -126,7 +126,7 @@ class BaseEventLog(object):
             "event": event_name,
             "sid": self._full_sid,
             "thread": threading.current_thread().name,
-            "time": datetime.datetime.utcnow().isoformat() + "Z",
+            "time": datetime.datetime.now(datetime.timezone.utc).isoformat(),
         }
 
     def StartEvent(self):
@@ -147,7 +147,7 @@ class BaseEventLog(object):
         if result is None:
             result = 0
         exit_event["code"] = result
-        time_delta = datetime.datetime.utcnow() - self.start
+        time_delta = datetime.datetime.now(datetime.timezone.utc) - self.start
         exit_event["t_abs"] = time_delta.total_seconds()
         self._log.append(exit_event)