Commit e8751e05 authored by Antoine Pitrou's avatar Antoine Pitrou

Issue #14157: Fix time.strptime failing without a year on February 29th.

Patch by Hynek Schlawack.
parents 59d5404b 1682e5d7
......@@ -339,7 +339,7 @@ def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
raise ValueError("unconverted data remains: %s" %
data_string[found.end():])
year = 1900
year = None
month = day = 1
hour = minute = second = fraction = 0
tz = -1
......@@ -444,6 +444,10 @@ def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
else:
tz = value
break
if year is None and month == 2 and day == 29:
year = 1904 # 1904 is first leap year of 20th century
elif year is None:
year = 1900
# If we know the week of the year and what day of that week, we can figure
# out the Julian day of the year.
if julian == -1 and week_of_year != -1 and weekday != -1:
......
......@@ -378,6 +378,9 @@ class StrptimeTests(unittest.TestCase):
need_escaping = ".^$*+?{}\[]|)("
self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
def test_feb29_on_leap_year_without_year(self):
time.strptime("Feb 29", "%b %d")
class Strptime12AMPMTests(unittest.TestCase):
"""Test a _strptime regression in '%I %p' at 12 noon (12 PM)"""
......
......@@ -23,6 +23,9 @@ Core and Builtins
Library
-------
- Issue #14157: Fix time.strptime failing without a year on February 29th.
Patch by Hynek Schlawack.
- Issue #14753: Make multiprocessing's handling of negative timeouts
the same as it was in Python 3.2.
......
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