[Python-Dev] Issue 2736: datetimes and Unix timestamps (original) (raw)

Guido van Rossum guido at python.org
Mon Jun 4 23:25:34 CEST 2012

On Mon, Jun 4, 2012 at 1:57 PM, Alexander Belopolsky <alexander.belopolsky at gmail.com> wrote:

On Mon, Jun 4, 2012 at 3:05 PM, Guido van Rossum <guido at python.org> wrote:

You seem to have misread -- I don't want to check if they are exactly 24 hours apart. I want to check if they are at most 24 hours apart. The timezone can be assumed to be the same on dt1 and dt2.

A variant of (1) was what was needed -- the user had just confused themselves into thinking they needed to convert to UTC first, and done a poor job of that. This is a common situation. It looks like if we had datetime.ticks() method, the user would simply use it improperly and never ask his or her question.  Hardly the result that we want.

That's not my assessment of the situation.

But I don't know what ticks() is supposed to do. I am assuming we would create totimestamp() and utctotimestamp() that mirror fromtimestamp() and utcfromtimestamp(). Since we trust the user with the latter we should trust them with the former.

-- --Guido van Rossum (python.org/~guido)

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