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To: python-list@python.org
From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: Another surprise from the datetime module
Date: Thu, 30 Jan 2014 18:03:17 +0000
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Xref: csiph.com comp.lang.python:65031

On 30/01/2014 17:32, Roy Smith wrote:
> I was astounded just now to discover that datetime.timedelta doesn't
> have a replace() method (at least not in Python 2.7).  Is there some
> fundamental reason why it shouldn't, or is this just an oversight?
>
> My immediate use case was wanting to print a timedelta without the
> fractions of seconds.  The most straight-forward is:
>
> print td.replace(microseconds=0)
>
> but that doesn't work.  Yes, I know I can use strftime, but (as I've
> mentioned before :-)), that requires dragging up the reference page to
> figure out what grotty little format string I need.  The brute-force
>
> print timedelta(seconds=int(td.total_seconds()))
>
> is easier than that, but plain old replace() would be even easier.
>

datetime.timedelta doesn't have a strftime method either.

AttributeError: 'datetime.timedelta' object has no attribute 'strftime'

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence