[CentralOH] Python Puzzle: Day generator

[Andrew Fitzgerald]

One small change to your gist:
https://gist.github.com/Fitzoh/4f698d5014b3768ebbeb/revisions

On Wed, Feb 4, 2015 at 8:55 PM, Eric Floehr <eric at intellovations.com> wrote:

> Here is a group puzzle. I am interested in everyone's solutions. I will
> post a link to my solution, which can also be refactored if you'd like a
> refactoring challenge.
>
> My timelapse code has a lot of places where I need to iterate through
> days. So I thought to make a function that works like range() only with
> dates.
>
> Here is the spec:
>
>    1. Takes an optional start date, end date, and step.
>    2. Start date and end date can either be python date objects or
>    strings of form "YYYY-MM-DD"
>    3. Step is number of days between steps, negative means step backwards
>    4. If end date is greater than start date and step is not specified,
>    step will be 1
>    5. If start date is greater than end date and step is not specified,
>    step will be -1
>    6. If end date is not specified, it will be the same as start date
>    7. If start date in not specified, it will be yesterday
>
> Examples:
>
> >>> for day in day_generator('2014-03-01', '2014-03-10'):
> ...     print day
>
> 2014-03-01
> 2014-03-02
> 2014-03-03
> 2014-03-04
> 2014-03-05
> 2014-03-06
> 2014-03-07
> 2014-03-08
> 2014-03-09
> 2014-03-10
>
> >>> for day in day_generator('2014-11-16', '2014-10-31', -4):
> ...     print day
>
> 2014-11-16
> 2014-11-12
> 2014-11-08
> 2014-11-04
> 2014-10-31
>
> And my solution (open to refactoring):
> https://gist.github.com/efloehr/3e1dd639f3c5c1b064b7
>
>
>
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