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| author | Guido van Rossum <guido@python.org> | 2000-10-09 12:42:04 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2000-10-09 12:42:04 (GMT) |
| commit | 46735add5fd292d1c0141aefa23f92814b15cac3 (patch) | |
| tree | 370b0bf69b77ae90c1c6a50e315068260dbeae38 | |
| parent | e9f922f4977aaffb21ac68249457044178ba8e02 (diff) | |
| download | cpython-46735add5fd292d1c0141aefa23f92814b15cac3.zip cpython-46735add5fd292d1c0141aefa23f92814b15cac3.tar.gz cpython-46735add5fd292d1c0141aefa23f92814b15cac3.tar.bz2 | |
Fixed leapdays(). From Patch #101841, by Denis S. Otkidach.
| -rw-r--r-- | Lib/calendar.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/calendar.py b/Lib/calendar.py index 8ac71f1..41bb191 100644 --- a/Lib/calendar.py +++ b/Lib/calendar.py @@ -54,8 +54,10 @@ def isleap(year): def leapdays(y1, y2): """Return number of leap years in range [y1, y2). - Assume y1 <= y2 and no funny (non-leap century) years.""" - return (y2+3)/4 - (y1+3)/4 + Assume y1 <= y2.""" + y1 -= 1 + y2 -= 1 + return (y2/4 - y1/4) - (y2/100 - y1/100) + (y2/400 - y1/400) def weekday(year, month, day): """Return weekday (0-6 ~ Mon-Sun) for year (1970-...), month (1-12), |