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Clarify that datetime strftime does not produce leap seconds and datetime 

strptime does not accept it in the strftime behavior section of the
datetime docs.

Closes issue 2568.

Porting by hand since svnmerge disclaims all knowledge of the trunk commit.
This commit is contained in:
R. David Murray 2009-04-02 04:50:03 +00:00
parent a826f32054
commit bd25d337ba
1 changed files with 6 additions and 2 deletions
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8
Doc/library/datetime.rst
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@ -1621,8 +1621,12 @@ Notes:
the output hour field if the ``%I`` directive is used to parse the hour. the output hour field if the ``%I`` directive is used to parse the hour.
(3) (3)
The range really is ``0`` to ``61``; this accounts for leap seconds and the The range really is ``0`` to ``61``; according to the Posix standard this
(very rare) double leap seconds. accounts for leap seconds and the (very rare) double leap seconds.
The :mod:`time` module may produce and does accept leap seconds since
it is based on the Posix standard, but the :mod:`datetime` module
does not accept leap seconds in :func:`strptime` input nor will it
produce them in :func:`strftime` output.
(4) (4)
When used with the :func:`strptime` function, ``%U`` and ``%W`` are only used in When used with the :func:`strptime` function, ``%U`` and ``%W`` are only used in