From: Benjamin Peterson <benjamin@python.org>
Date: Thu, 29 Aug 2013 21:27:57 +0000 (-0400)
Subject: make lists uniformly integers for the benefit of pypy
X-Git-Tag: v3.4.0a2~76
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f908efb75cfb7891a42b5a9ec9e0100b8c758101;p=thirdparty%2FPython%2Fcpython.git

make lists uniformly integers for the benefit of pypy
---

diff --git a/Lib/datetime.py b/Lib/datetime.py
index 197ef6367e8d..b64637f2d4db 100644
--- a/Lib/datetime.py
+++ b/Lib/datetime.py
@@ -23,9 +23,10 @@ _MAXORDINAL = 3652059 # date.max.toordinal()
 # for all computations.  See the book for algorithms for converting between
 # proleptic Gregorian ordinals and many other calendar systems.
 
-_DAYS_IN_MONTH = [None, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+# -1 is a placeholder for 0.
+_DAYS_IN_MONTH = [-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
 
-_DAYS_BEFORE_MONTH = [None]
+_DAYS_BEFORE_MONTH = [-1] # -1 is a placeholder for 0.
 dbm = 0
 for dim in _DAYS_IN_MONTH[1:]:
     _DAYS_BEFORE_MONTH.append(dbm)