timezone.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+from datetime import datetime, tzinfo, timedelta
+
+
+class TZMadrid(tzinfo):
+    def utcoffset(self, dt):
+        return timedelta(hours=1) + self.dst(dt)
+
+    def dst(self, dt):
+        dston = datetime.date(dt.year, 4, 1)
+        dstoff = datetime.date(dt.year, 10, 27)
+        # Code to set dston and dstoff to the time zone's DST
+        # transition times based on the input dt.year, and expressed
+        # in standard local time.
+
+        if dston <= dt.replace(tzinfo=None) < dstoff:
+            return timedelta(hours=1)
+        else:
+            return timedelta(0)