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Re: YADTR (Yet Another DateTime Rant)

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  Re: YADTR (Yet Another DateTime Rant) Jean-Michel Pichavant <jeanmichel@sequans.com> - 2014-03-26 10:53 +0100
    Re: YADTR (Yet Another DateTime Rant) Johannes Bauer <dfnsonfsduifb@gmx.de> - 2014-03-27 11:09 +0100

#69144 — Re: YADTR (Yet Another DateTime Rant)

----- Original Message -----
> One of my roles on this newsgroup is to periodically whine about
> stupidities in the Python datetime module.  This is one of those
> times.
> 
> I have some code which computes how long ago the sun set.  Being a
> nice
> pythonista, I'm using a timedelta to represent this value.  It would
> be
> difficult to imagine a less useful default way to print a timedelta:
> 
> previous sunset: -1 day, 22:25:26.295993
> 
> The idea of str() is that it's supposed to return a human-friendly
> representation of a value.  Humans do not say things like, "The sun
> set
> 1 day ago plus 22 hours and 25 minutes".

I can think of a less useful default way:

previous sunset: 1 sunset ago

This is how humans have been saying things for thousands of years before inventing the clock.
Beside that, I think datetime has all the formatters required to do pretty much anything.

Note : I don't see what's wrong in your example, however I have the feeling the term "stupiditie" is a little bit strong ;)

JM





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#69179

On 26.03.2014 10:53, Jean-Michel Pichavant wrote:

> Note : I don't see what's wrong in your example, however I have the feeling the term "stupiditie" is a little bit strong ;)

The problem is that for a given timedelta t with t > 0 it is intuitive
to think that its string representation str(t) would follow the rule

"-" + str(t) == str(-t)

But it doesn't.

> -- IMPORTANT NOTICE: 
> 
> The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

I hereby inform you that I - probably by accident received your very
confidential and privileged message! All hardware has already been
thrown into the incinerator, is that good enough for you? Or do I have
to fulfill some ISO-9001 certified privileged mail destruction
procedure? Please advise on how I shall continue my life.

Cheers,
Johannes

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