commit 85710a40e7e9eab86060bedc3762ccf9ca8d26ca
author Ezio Melotti <ezio.melotti@gmail.com> Fri Sep 21 17:26:35 2012 +0300
committer Ezio Melotti <ezio.melotti@gmail.com> Fri Sep 21 17:26:35 2012 +0300
tree 34df432ef5160f2bff895cca080e63760357d376
parent e418d760897cc6f6f4dedb364f80f3f52525ffa6

#15421: fix an OverflowError in Calendar.itermonthdates() after datetime.MAXYEAR.  Patch by Cédric Krier.

Lib/calendar.py

diff --git a/Lib/calendar.py b/Lib/calendar.py
index 0301d6b..3bbf399 100644
--- a/Lib/calendar.py
+++ b/Lib/calendar.py
@@ -161,7 +161,11 @@
         oneday = datetime.timedelta(days=1)
         while True:
             yield date
-            date += oneday
+            try:
+                date += oneday
+            except OverflowError:
+                # Adding one day could fail after datetime.MAXYEAR
+                break
             if date.month != month and date.weekday() == self.firstweekday:
                 break