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From: alister <alister.nospam.ware@ntlworld.com>
Newsgroups: comp.lang.python
Subject: Re: Group by interval time
Date: Thu, 12 Feb 2015 13:29:34 +0000 (UTC)
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On Thu, 12 Feb 2015 04:34:03 -0800, charles.sartori wrote:

> Hello there!
> 
> I`m trying to group by a list of Row() objects in 12days interval and
> sum(). values. Here is an example of the list
> 
> [Row(time=datetime.datetime(2013, 1, 1, 0, 0), sum=4676557380615),
> Row(time=datetime.datetime(2013, 1, 2, 0, 0), sum=6549630855895),
> Row(time=datetime.datetime(2013, 1, 3, 0, 0), sum=6549630855895), ...]
> 
> Row() objects has two vars: row.time and row.sum
> 
> 
> The result that I`m looking for is:
> [[datetime.datetime(2013, 1, 1, 0, 0), value],
> [datetime.datetime(2013, 1, 12, 0, 0), value],
> [datetime.datetime(2013, 1, 24, 0, 0), value]
> ]
> Where value is the sum() of all row.sum in that interval.
> 
> I`m trying to use itertools.groupby by I could not get it to work yet.
> 
> Thnak you.

what is the code you have tried & what errors are you getting?



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