datetime to timestamp

[Sion Arrowsmith]

John Machin  <sjmachin at lexicon.net> wrote:
>On 11/08/2006 11:35 PM, John Machin wrote:
>> On 11/08/2006 11:10 PM, Simen Haugen wrote:
>>> How can I convert a python datetime to a timestamp? It's easy to convert
>>> a timestamp to datetime (datetime.datetime.fromtimestamp(), but the
>>> other way around...?)
>> Is the timetuple() method what you want?
> [ ... ]
>Aaaarrrggghhh no it's not what you want -- [ ... ]

It is if you only want it to the second. It just needs a time.mktime():

>>> n = time.time()
>>> n
1155307613.4550381
>>> d = datetime.datetime.fromtimestamp(n)
>>> time.mktime(d.timetuple())
1155307613.0

(timetuple() is responsible for the loss of the fractional part.)

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