On Feb 11, 3:40 pm, Phaedon Sinis <phaedonsi...@gmail.com> wrote:
> Hi Glenn,
>
> thanks for looking into this.
> At first glance, it looks like it basically allows date arithmetic.
> I was planning to incorporate Gustavo Niemeyer's relativedelta.py for this
> purpose.
> My date library adds business-day / holiday calculations.
>
> Does anyone have a strong preference between relativedelta.py and
> mxDateTime?

Well, I knew matplotlib had some date/time stuff since I had seen it
whiz by when unpacking the tarball, so I 20 seconds of grepping
revealed:

mabsh...@sage:/scratch/mabshoff/sage-3.3.rc1/spkg/standard/
matplotlib-0.98.3.p5/src$ grep -r "Gustavo Niemeyer" *
lib/dateutil/rrule.py:Copyright (c) 2003-2005  Gustavo Niemeyer
<gust...@niemeyer.net>
lib/dateutil/rrule.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/tzwin.py:__author__ = "Jeffrey Harris & Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/tz.py:Copyright (c) 2003-2005  Gustavo Niemeyer
<gust...@niemeyer.net>
lib/dateutil/tz.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/relativedelta.py:Copyright (c) 2003-2005  Gustavo
Niemeyer <gust...@niemeyer.net>
lib/dateutil/relativedelta.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/parser.py:Copyright (c) 2003-2005  Gustavo Niemeyer
<gust...@niemeyer.net>
lib/dateutil/parser.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/zoneinfo/__init__.py:Copyright (c) 2003-2005  Gustavo
Niemeyer <gust...@niemeyer.net>
lib/dateutil/zoneinfo/__init__.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/easter.py:Copyright (c) 2003-2005  Gustavo Niemeyer
<gust...@niemeyer.net>
lib/dateutil/easter.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"
lib/dateutil/__init__.py:Copyright (c) 2003-2005  Gustavo Niemeyer
<gust...@niemeyer.net>
lib/dateutil/__init__.py:__author__ = "Gustavo Niemeyer
<gust...@niemeyer.net>"

So relativedelta.py is already in Sage, no need to add it :)

Cheers,

Michael

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