Use fixed timezone

.github/workflows/get-inputs.yml

@@ -18,14 +18,10 @@ jobs:
       - name: Get Day
         id: get-day
         run: |
-          from datetime import datetime, timedelta, tzinfo
-          class TZ(tzinfo):
-              def utcoffset(self, dt):
-                  return timedelta(hours=-5) + self.dst(dt)
-              def dst(self, dt):
-                  return timedelta(0)
+          from datetime import datetime, timedelta, timezone
+          tz = timezone(timedelta(hours=-5))
           year = ${{ inputs.year }} or 2022
-          day = max(0, min(25, (datetime.now(TZ()) - datetime(year, 12, 1, 0, 0, 0, 0, TZ())).days + 1))
+          day = max(0, min(25, (datetime.now(tz) - datetime(year, 12, 1, 0, 0, 0, 0, tz)).days + 1))
           print("::set-output name=year::" + str(year))
           print("::set-output name=day::" + str(min(25, max(0, day))))
           print("::set-output name=days::" + ' '.join(map(str, range(1, day + 1))))

get-inputs

@@ -1,21 +1,14 @@
 #!/usr/bin/env python3
 import argparse
-from datetime import datetime, timedelta, tzinfo
+from datetime import datetime, timedelta, timezone
 from pathlib import Path
 import shutil
 import sys
 import time
 from urllib.error import HTTPError
 from urllib.request import urlopen, Request
 
-
-class TZ(tzinfo):
-
-    def utcoffset(self, dt):
-        return timedelta(hours=-5) + self.dst(dt)
-
-    def dst(self, dt):
-        return timedelta(0)
+tz = timezone(timedelta(hours=-5))
 
 
 def main():
@@ -45,11 +38,11 @@ def main():
             session = session_file.read().strip()
 
     year, days = args.year, args.days
-    base = datetime(year, 12, 1, 0, 0, 0, 0, TZ())
+    base = datetime(year, 12, 1, 0, 0, 0, 0, tz)
     if days:
         days = sorted(set(days))
     else:
-        days = (datetime.now(TZ()) - base).days + 1
+        days = (datetime.now(tz) - base).days + 1
         days = range(1, max(0, min(25, days)) + 1)
 
     for day in days:
@@ -60,7 +53,7 @@ def main():
         if not dry_run:
             target = base + timedelta(days=day - 1)
             while True:
-                now = datetime.now(TZ())
+                now = datetime.now(tz)
                 if now >= target:
                     break
                 delta = target - now