[SciPy-User] Pickling timeseries Dates
Robert Ferrell
ferrell at diablotech.com
Fri Dec 11 00:08:24 EST 2009
On Dec 10, 2009, at 8:37 PM, Pierre GM wrote:
> On Dec 10, 2009, at 10:12 PM, Robert Ferrell wrote:
>>>
>> Fernando reminded me that any date scalar will trigger the pickle
>> problem. Some of my objects have Date instances stashed all over the
>> place. Converting all those to single-element DateArrays is not
>> feasible.
>
> And converting them to something else, like a datetime or even just
> a tuple (value,freq)
I often grab a Date from a DateArray. Of course, I could try to use
datetime for every date scalar, and DateArray for arrays of dates.
But that's not nearly as convenient nor robust as using a single
representation whenever I need a date.
>
>
>>
>> Why can't Date instances be pickled, and how hard would it be to
>> change that?
>
>
> because we never implemented it on the C side, and that'll depend on
> whether Matt Knox can do it or not.
Understood.
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