Taragolis commented on code in PR #34492:
URL: https://github.com/apache/airflow/pull/34492#discussion_r1330761652
##########
airflow/serialization/serializers/datetime.py:
##########
@@ -44,7 +44,7 @@ def serialize(o: object) -> tuple[U, str, int, bool]:
if is_naive(o):
o = convert_to_utc(o)
- tz = o.tzname()
+ tz = o.tzinfo.name # type: ignore
Review Comment:
Hmmmmmm
```
from datetime import datetime, timezone, timedelta
import pendulum
from zoneinfo import ZoneInfo
from pytz import timezone as pytz_tz
for tz_type, dt in {
"pendulum": datetime.now(tz=pendulum.tz.timezone("America/New_York")),
"zoneinfo": datetime.now(tz=ZoneInfo("America/Los_Angeles")),
"pytz": datetime.now(tz=pytz_tz("Europe/London")),
"datetime.timezone.utc": datetime.now(tz=timezone.utc),
"datetime.timezone unnamed":
datetime.now(tz=timezone(timedelta(hours=4))),
"datetime.timezone": datetime.now(tz=timezone(timedelta(hours=4),
name="FooBar")),
}.items():
print(f" {tz_type} ".center(110, "="))
try:
print(dt, dt.tzinfo.name)
except Exception as e:
print(dt, str(e))
```
```console
================================================== pendulum
==================================================
2023-09-19 18:17:42.185971-04:00 America/New_York
================================================== zoneinfo
==================================================
2023-09-19 15:17:42.186350-07:00 'zoneinfo.ZoneInfo' object has no attribute
'name'
==================================================== pytz
====================================================
2023-09-19 23:17:42.201468+01:00 'Europe/London' object has no attribute
'name'
=========================================== datetime.timezone.utc
============================================
2023-09-19 22:17:42.201476+00:00 'datetime.timezone' object has no attribute
'name'
========================================= datetime.timezone unnamed
==========================================
2023-09-20 02:17:42.201478+04:00 'datetime.timezone' object has no attribute
'name'
============================================= datetime.timezone
==============================================
2023-09-20 02:17:42.201480+04:00 'datetime.timezone' object has no attribute
'name'
```
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