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# UpdateManager/Frontend/Gtk/utils.py
#
# Copyright (c) 2004-2009 Canonical
# 2009 Stephan Peijnik
#
# Author: Michael Vogt <mvo@debian.org>
# Stephan Peijnik <debian@sp.or.at>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
""" Human-readable unit conversion utilities """
import locale
import logging
from gettext import gettext as _, ngettext
LOG = logging.getLogger('UpdateManager.Utils.humanize')
def humanize_size(num_bytes):
"""
Convert a given size in bytes to a nicer better readable unit
"""
if num_bytes == 0:
# TRANSLATORS: download size is 0
return _("0 KB")
elif num_bytes < 1024:
# TRANSLATORS: download size of very small updates
return _("1 KB")
elif num_bytes < 1024 * 1024:
# TRANSLATORS: download size of small updates, e.g. "250 KB"
return locale.format(_("%.0f KB"), float(num_bytes)/1024)
else:
# TRANSLATORS: download size of updates, e.g. "2.3 MB"
return locale.format(_("%.1f MB"), float(num_bytes) / 1024 / 1024)
def humanize_seconds(seconds):
"""
Convert a duration given in seconds to a human-readable string.
:param seconds: Seconds as a string
"""
if seconds < 5:
return _("< 5 seconds")
elif seconds < 60:
return _("%d seconds") % (seconds)
elif seconds < 3600:
minutes = seconds/60
secs = seconds%60
min_string = ngettext("%d minute", "%d minutes", minutes) % (minutes)
if secs > 0:
secs_string = ' ' + ngettext('%d second',
'%d seconds', secs) % (secs)
else:
secs_string = ''
return min_string + secs_string
# Fall-through to hours, minutes and seconds case.
hours = seconds/3600
minutes = (seconds%3600)/60
secs = seconds%60
hours_string = ngettext('%d hour', '%d hours', hours) % (hours)
if minutes > 0:
minutes_string = ' ' + ngettext('%d minute', '%d minutes',
minutes) % (minutes)
else:
minutes_string = ''
if secs > 0:
secs_string = ' ' + ngettext('%d second', '%d seconds',
secs) % (secs)
else:
secs_string = ''
return hours_string + minutes_string + secs_string
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