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#1194222: make parsedate always return RFC2822 four character years.

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Two character years are now converted to four character years using
the Posix standard rule (<68 == 2000, >=68==1900).  This makes the
parsed date RFC2822 compliant even if the input is not.

Patch and test by Jeffrey Finkelstein.
This commit is contained in:
R. David Murray 2010-08-25 00:45:55 +00:00
parent 1970b62aee
commit 219d1c8ae3
4 changed files with 29 additions and 0 deletions
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13
Lib/email/test/test_email.py
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@ -2234,6 +2234,19 @@ class TestMiscellaneous(TestEmailBase):
eq(time.localtime(t)[:6], timetup[:6])
eq(int(time.strftime('%Y', timetup[:9])), 2003)
def test_parsedate_y2k(self):
"""Test for parsing a date with a two-digit year.
Parsing a date with a two-digit year should return the correct
four-digit year. RFC822 allows two-digit years, but RFC2822 (which
obsoletes RFC822) requires four-digit years.
"""
self.assertEqual(utils.parsedate_tz('25 Feb 03 13:47:26 -0800'),
utils.parsedate_tz('25 Feb 2003 13:47:26 -0800'))
self.assertEqual(utils.parsedate_tz('25 Feb 71 13:47:26 -0800'),
utils.parsedate_tz('25 Feb 1971 13:47:26 -0800'))
def test_parseaddr_empty(self):
self.assertEqual(utils.parseaddr('<>'), ('', ''))
self.assertEqual(utils.formataddr(utils.parseaddr('<>')), '')