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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Mitter, a Maemo client for Twitter.
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# Copyright (C) 2007, 2008 Julio Biason
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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import math
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import time
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# Adapted from
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# http://code.djangoproject.com/browser/django/trunk/django/utils/timesince.py
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# My version expects time to be given in UTC & returns timedelta from UTC.
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def pluralize(singular, plural, count):
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if count == 1:
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return singular
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else:
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return plural
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def timesince(d, now=None):
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"""
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Takes two datetime objects and returns the time between then and now
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as a nicely formatted string, e.g "10 minutes"
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Adapted from http://blog.natbat.co.uk/archive/2003/Jun/14/time_since
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"""
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chunks = (
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(60 * 60 * 24 * 365, lambda n: pluralize('year', 'years', n)),
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(60 * 60 * 24 * 30, lambda n: pluralize('month', 'months', n)),
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(60 * 60 * 24 * 7, lambda n: pluralize('week', 'weeks', n)),
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(60 * 60 * 24, lambda n: pluralize('day', 'days', n)),
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(60 * 60, lambda n: pluralize('hour', 'hours', n)),
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(60, lambda n: pluralize('minute', 'minutes', n)))
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# Convert datetime.date to datetime.datetime for comparison
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if d.__class__ is not datetime.datetime:
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d = datetime.datetime(d.year, d.month, d.day)
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if now:
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t = now.timetuple()
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else:
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t = time.gmtime()
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now = datetime.datetime(t[0], t[1], t[2], t[3], t[4], t[5])
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# ignore microsecond part of 'd' since we removed it from 'now'
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delta = now - (d - datetime.timedelta(0, 0, d.microsecond))
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since = delta.days * 24 * 60 * 60 + delta.seconds
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if int(since) <= 0:
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return 'moments'
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for i, (seconds, name) in enumerate(chunks):
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count = since / seconds
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if count != 0:
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break
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s = '%d %s' % (count, name(count))
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if i + 1 < len(chunks):
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# Now get the second item
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seconds2, name2 = chunks[i + 1]
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count2 = (since - (seconds * count)) / seconds2
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if count2 != 0:
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s += ', %d %s' % (count2, name2(count2))
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return s
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def timeuntil(d, now=None):
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"""
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Like timesince, but returns a string measuring the time until
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the given time.
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"""
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if now == None:
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now = datetime.datetime.now()
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return timesince(now, d)
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