init

assistant_bot/time_utils.py

@@ -0,0 +1,23 @@
+from datetime import datetime, timezone
+from zoneinfo import ZoneInfo
+
+
+def utc_now() -> datetime:
+    return datetime.now(timezone.utc)
+
+
+def to_utc_iso(value: datetime) -> str:
+    return value.astimezone(timezone.utc).isoformat(timespec="seconds")
+
+
+def parse_utc_iso(value: str) -> datetime:
+    parsed = datetime.fromisoformat(value)
+    if parsed.tzinfo is None:
+        return parsed.replace(tzinfo=timezone.utc)
+    return parsed.astimezone(timezone.utc)
+
+
+def format_local_dt(value: str | datetime, tz: ZoneInfo) -> str:
+    parsed = parse_utc_iso(value) if isinstance(value, str) else value
+    return parsed.astimezone(tz).strftime("%Y-%m-%d %H:%M")
+