[Python-checkins] python/dist/src/Doc/lib libdatetime.tex,1.19,1.20

2002年12月31日 08:01:52 -0800

Update of /cvsroot/python/python/dist/src/Doc/lib
In directory sc8-pr-cvs1:/tmp/cvs-serv28282/lib
Modified Files:
	libdatetime.tex 
Log Message:
Removed the now-untrue (or soon-to-be untrue) part of the astimezone()
docs. Replaced it with an XXX block, because the hoped-for treatment
of DST endcases remains unclear (Guido doesn't really like raising an
exception when it's impossible to deliver a correct result, but so
far I have no way in hand to consistently deliver a defined incorrect
result either).
Index: libdatetime.tex
===================================================================
RCS file: /cvsroot/python/python/dist/src/Doc/lib/libdatetime.tex,v
retrieving revision 1.19
retrieving revision 1.20
diff -C2 -d -r1.19 -r1.20
*** libdatetime.tex	31 Dec 2002 14:26:54 -0000	1.19
--- libdatetime.tex	31 Dec 2002 16:01:47 -0000	1.20
***************
*** 209,213 ****
 \begin{tableiii}{c|l|c}{code}{Operation}{Result}{Notes}
 \lineiii{\var{t1} = \var{t2} + \var{t3}}
! {Sum of \var{t2} and \var{t3}. 
 Afterwards \var{t1}-\var{t2} == \var{t3} and \var{t1}-\var{t3}
 == \var{t2} are true.}
--- 209,213 ----
 \begin{tableiii}{c|l|c}{code}{Operation}{Result}{Notes}
 \lineiii{\var{t1} = \var{t2} + \var{t3}}
! {Sum of \var{t2} and \var{t3}.
 Afterwards \var{t1}-\var{t2} == \var{t3} and \var{t1}-\var{t3}
 == \var{t2} are true.}
***************
*** 232,236 ****
 	 {equivalent to \class{timedelta}(-\var{t1.days}, -\var{t1.seconds},
 	 -\var{t1.microseconds}),and to \var{t1}* -1.}
! 	 {(1)(3)}	 
 \lineiii{abs(\var{t})}
 {equivalent to +\var{t} when \code{t.days >= 0}, and to -\var{t} when
--- 232,236 ----
 	 {equivalent to \class{timedelta}(-\var{t1.days}, -\var{t1.seconds},
 	 -\var{t1.microseconds}),and to \var{t1}* -1.}
! 	 {(1)(3)}
 \lineiii{abs(\var{t})}
 {equivalent to +\var{t} when \code{t.days >= 0}, and to -\var{t} when
***************
*** 238,242 ****
 {(1)}

! 
 \end{tableiii}
 \noindent
--- 238,242 ----
 {(1)}

! 
 \end{tableiii}
 \noindent
***************
*** 1259,1269 ****
 \code{tz.utcoffset(self)} does not return \code{None}, the date and
 time fields are adjusted so that the result is local time in timezone
! tz, representing the same UTC time as self. \code{self.astimezone(tz)}
! is then equivalent to
! \begin{verbatim}
! (self - (self.utcoffset() - tz.utcoffset(self)).replace(tzinfo=tz)
! \end{verbatim}
! where the result of \code{tz.utcoffset(self)} is converted to a
! \class{timedelta} if it's an integer.
 \end{methoddesc}

--- 1259,1266 ----
 \code{tz.utcoffset(self)} does not return \code{None}, the date and
 time fields are adjusted so that the result is local time in timezone
! tz, representing the same UTC time as self.
! XXX [The treatment of endcases remains unclear: for DST-aware
! classes, one hour per year has two spellings in local time, and
! another hour has no spelling in local time.] XXX
 \end{methoddesc}