[Python-Dev] Interop between datetime and mxDateTime (original) (raw)

Guido van Rossum guido@python.org
Mon, 13 Jan 2003 10:49:51 -0500

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I'd like to make mxDateTime and datetime in Python 2.3 cooperate.

Me too.

There was a proposal long ago that all datetime-like objects should implement a timetuple() method. Perhaps we should revive that? datetime does implement this.

Looking at the datetime.h file, it seems that the C API isn't all that fleshed out yet. Will this happen before 2.3b1 ?

I think that datetime.h is in fact entirely private to the module.

Related to this: I wonder why datetime is not a normal Python object which lives in Objects/ ?!

No single reason. Some reasons I can think of:

• There's a pure Python implementation that can be used with Python 2.2 (probably even earlier versions)

• It's not that essential to most code, so it seems appropriate to have to import it

• I didn't want this to be seen as "growing the language"

• It's still very young

Finally, the datetime objects don't seem to provide any means of letting binary operations with other types succeed. Coercion or mixed type operations are not implemented. When will this happen ?

If it's up to me, never. If you want to add a number of days, seconds, or fortnights to a datetime, use a timedelta(). The datetime type also supports a method to extract a posix timestamp.

--Guido van Rossum (home page: http://www.python.org/~guido/)

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