xmas module but better

src/bobbit/modules/xmas.py

@@ -0,0 +1,40 @@
+# xmas.py
+
+import datetime
+
+# Metadata
+
+NAME    = 'xmas'
+ENABLE  = True
+PATTERN = r'^!xmas\s*$'
+USAGE   = '''Usage: !xmas
+This prints out the number of days until Christmas.
+'''
+
+# Command
+
+async def xmas(bot, message):
+
+    now = datetime.datetime.now()
+    delta = datetime.datetime(year=now.year+1, month=12, day=25) - datetime.datetime(year=now.year, month=now.month, day=now.day)
+
+    # Handle leap year
+    if int(now.year+1) % 4 == 0:
+        daysleft = delta.days % 366
+    else:
+        daysleft = delta.days % 365
+
+    # Return response based on number of days left
+    if daysleft > 0:
+        return message.with_body(f'{daysleft} ' + ('day' if daysleft == 1 else 'days') + ' until Christmas')
+    else:
+        return message.with_body('0 days left! Merry Christmas!')
+
+# Register
+
+def register(bot):
+    return (
+        ('command', PATTERN, xmas),
+    )
+
+# vim: set sts=4 sw=4 ts=8 expandtab ft=python: