Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path: <awilliam@whitemice.org>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.003
X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'output,': 0.09; 'looked': 0.10; 'appreciated!': 0.16; 'comparison.': 0.16; 'disk.': 0.16; 'doesnt': 0.16; "file's": 0.16; 'from:addr:awilliam': 0.16; 'from:addr:whitemice.org': 0.16; 'from:name:adam tauno williams': 0.16; 'offset,': 0.16; 'received:72.14.190': 0.16; 'received:72.14.190.87': 0.16; 'received:mail.wmmi.net': 0.16; 'received:wmmi.net': 0.16; 'reply-to:addr:awilliam': 0.16; 'reply- to:addr:whitemice.org': 0.16; 'mon,': 0.16; 'wrote:': 0.17; 'module,': 0.17; 'received:72.14': 0.20; 'all,': 0.21; 'tried': 0.25; 'header:In-Reply-To:1': 0.25; 'guess': 0.27; 'first.': 0.27; 'newer': 0.27; 'correct': 0.28; '-0700,': 0.29; 'things,': 0.29; 'url:2012': 0.30; 'file': 0.32; 'to:addr:python-list': 0.33; 'entered': 0.34; 'list': 0.35; 'add': 0.36; 'compare': 0.36; 'does': 0.37; 'subject:: ': 0.38; 'mean': 0.38; 'some': 0.38; 'received:10': 0.38; 'sure': 0.38; 'to:addr:python.org': 0.39; 'skip:" 10': 0.40; 'help': 0.40; 'more': 0.63; 'url:10': 0.65; 'header:Reply-To:1': 0.68; 'reply-to:no real name:2**0': 0.72
Subject: Re: date and time comparison how to
From: Adam  Tauno Williams <awilliam@whitemice.org>
To: python-list@python.org
Date: Fri, 02 Nov 2012 07:22:50 -0400
In-Reply-To: <50e576ea-2ebe-4340-954e-6c23b5885680@googlegroups.com>
References: <50e576ea-2ebe-4340-954e-6c23b5885680@googlegroups.com>
Content-Type: text/plain; charset="UTF-8"
X-Mailer: Evolution 3.6.1
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: awilliam@whitemice.org
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.3201.1351855379.27098.python-list@python.org>
Lines: 23
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1351855379 news.xs4all.nl 6987 [2001:888:2000:d::a6]:49412
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:32624

On Mon, 2012-10-29 at 16:13 -0700, noydb wrote:
> All,
> I need help with a date and time comparison.
> Say a user enters a date-n-time and a file on disk.  I want to compare
> the date and time of the file to the entered date-n-time; if the file
> is newer than the entered date-n-time, add the file to a list to
> process.
> How best to do?  I have looked at the datetime module, tried a few
> things, no luck.
> Is os.stat a part of it?  Tried, not sure of the output, the
> st_mtime/st_ctime doesnt jive with the file's correct date and
> time.  ??
> Any help would be appreciated!

Date and time is much more complicated then people guess at first.

<http://taaviburns.ca/what_you_need_to_know_about_datetimes/datetime_transforms.html>
<http://www.whitemiceconsulting.com/2012/10/setting-course-for-utc.html>

What do you mean by "st_mtime/st_ctime doesnt jive with the file's
correct date"?  Is it off my some offset, or does it completely not
match?