[Python-checkins] python/dist/src/Lib calendar.py,1.34,1.35

[tim_one at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1137/Lib

Modified Files:
	calendar.py 
Log Message:
SF bug 1065388:  calendar day/month name lookup too slow

__getitem__() methods:  compute only the new spellings needed to satisfy
the given indexing object.  This is purely an optimization (it should
have no effect on visible semantics).


Index: calendar.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/calendar.py,v
retrieving revision 1.34
retrieving revision 1.35
diff -u -d -r1.34 -r1.35
--- calendar.py	7 Jun 2004 03:47:06 -0000	1.34
+++ calendar.py	13 Nov 2004 16:18:31 -0000	1.35
@@ -28,27 +28,37 @@
 # fresh on each call, in case the user changes locale between calls.
 
 class _localized_month:
+
+    _months = [datetime.date(2001, i+1, 1).strftime for i in range(12)]
+    _months.insert(0, lambda x: "")
+
     def __init__(self, format):
         self.format = format
 
     def __getitem__(self, i):
-        data = [datetime.date(2001, j, 1).strftime(self.format)
-                     for j in range(1, 13)]
-        data.insert(0, "")
-        return data[i]
+        funcs = self._months[i]
+        if isinstance(i, slice):
+            return [f(self.format) for f in funcs]
+        else:
+            return funcs(self.format)
 
     def __len__(self):
         return 13
 
 class _localized_day:
+
+    # January 1, 2001, was a Monday.
+    _days = [datetime.date(2001, 1, i+1).strftime for i in range(7)]
+
     def __init__(self, format):
         self.format = format
 
     def __getitem__(self, i):
-        # January 1, 2001, was a Monday.
-        data = [datetime.date(2001, 1, j+1).strftime(self.format)
-                     for j in range(7)]
-        return data[i]
+        funcs = self._days[i]
+        if isinstance(i, slice):
+            return [f(self.format) for f in funcs]
+        else:
+            return funcs(self.format)
 
     def __len__(self):
         return 7