reminder: compat with older Python

edmond/plugins/reminder.py

@@ -1,6 +1,7 @@
 import datetime
 import re
 import string
+from typing import Optional
 
 from apscheduler.triggers.date import DateTrigger
 
@@ -44,7 +45,7 @@ class ReminderPlugin(Plugin):
         return True
         # self.bot.scheduler.add_job(, 'cron', hour='1', minute='52')
 
-    def parse_time(self, time: str) -> dict[str, int] | None:
+    def parse_time(self, time: str) -> Optional[dict[str, int]]:
         """Parse a time request string.
 
         Return a dict with day/hour/minute/second set as integers if specified.
@@ -80,7 +81,12 @@ class ReminderPlugin(Plugin):
         if mode == self.config["at_word"]:
             if "day" in time: # "day" is not supported in at mode.
                 del time["day"]
-            when = now.replace(**time)
+            when = datetime.datetime.today().replace(
+                hour=time.get("hour", 0),
+                minute=time.get("minute", 0),
+                second=time.get("second", 0),
+                microsecond=0
+            )
         elif mode == self.config["in_word"]:
             time = { k + "s": v for k, v in time.items() }  # Use plural names.
             when = now + datetime.timedelta(**time)
@@ -99,6 +105,7 @@ class ReminderPlugin(Plugin):
             trigger=DateTrigger(when),
             args=(reminder, sender, target)
         )
+        self.bot.log_d(f"Scheduled for {when}, time was {time}.")
         self.bot.say(target, self.config["done"])
 
     async def remind(self, reminder: str, username: str, target: str) -> None: