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# Copyright (C) 2007, One Laptop Per Child
#
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
from gettext import gettext as _
from gettext import ngettext
import logging
import time
import traceback
import sys
import gtk
from sugar import activity
from sugar import mime
from sugar.bundle.activitybundle import ActivityBundle
from sugar.bundle.contentbundle import ContentBundle
from sugar.bundle.bundle import MalformedBundleException, \
ZipExtractException, RegistrationException
from sugar.util import LRU
from journalentrybundle import JournalEntryBundle
def _get_icon_file_name(icon_name):
icon_theme = gtk.icon_theme_get_default()
info = icon_theme.lookup_icon(icon_name, gtk.ICON_SIZE_LARGE_TOOLBAR, 0)
if not info:
# display standard icon when icon for mime type is not found
info = icon_theme.lookup_icon('application-octet-stream',
gtk.ICON_SIZE_LARGE_TOOLBAR, 0)
fname = info.get_filename()
del info
return fname
_icon_cache = LRU(50)
def get_icon_name(jobject):
cache_key = (jobject.object_id, jobject.metadata.get('timestamp', None))
if cache_key in _icon_cache:
return _icon_cache[cache_key]
file_name = None
if jobject.is_activity_bundle() and jobject.file_path:
try:
bundle = ActivityBundle(jobject.file_path)
file_name = bundle.get_icon()
except:
logging.warning('Could not read bundle:\n' + \
''.join(traceback.format_exception(*sys.exc_info())))
return _get_icon_file_name('application-octet-stream')
if jobject.metadata['activity']:
service_name = jobject.metadata['activity']
activity_info = activity.get_registry().get_activity(service_name)
if activity_info:
file_name = activity_info.icon
mime_type = jobject.metadata['mime_type']
if not file_name and mime_type:
icon_name = mime.get_mime_icon(mime_type)
if icon_name:
file_name = _get_icon_file_name(icon_name)
if not file_name:
return _get_icon_file_name('application-octet-stream')
_icon_cache[cache_key] = file_name
return file_name
# TRANS: Relative dates (eg. 1 month and 5 days).
units = [['%d year', '%d years', 356 * 24 * 60 * 60],
['%d month', '%d months', 30 * 24 * 60 * 60],
['%d week', '%d weeks', 7 * 24 * 60 * 60],
['%d day', '%d days', 24 * 60 * 60],
['%d hour', '%d hours', 60 * 60],
['%d minute', '%d minutes', 60]]
AND = _(' and ')
COMMA = _(', ')
RIGHT_NOW = _('Right now')
def _get_elapsed_string(timestamp, max_levels=2):
levels = 0
result = ''
elapsed_seconds = int(time.time() - timestamp)
for name_singular, name_plural, factor in units:
elapsed_units = elapsed_seconds / factor
if elapsed_units > 0:
if levels > 0:
if max_levels - levels == 1:
result += AND
else:
result += COMMA
result += ngettext(name_singular, name_plural, elapsed_units) % elapsed_units
elapsed_seconds -= elapsed_units * factor
levels += 1
if levels == max_levels:
break
if levels == 0:
return RIGHT_NOW
return result
def get_date(jobject):
""" Convert from a string in iso format to a more human-like format. """
if jobject.metadata.has_key('timestamp'):
return _get_elapsed_string(jobject.metadata['timestamp'])
elif jobject.metadata.has_key('mtime'):
ti = time.strptime(jobject.metadata['mtime'], "%Y-%m-%dT%H:%M:%S")
return _get_elapsed_string(time.mktime(ti))
else:
return _('No date')
def get_bundle(jobject):
if jobject.file_path == '':
# Probably a download-in-progress
return None
try:
if jobject.is_activity_bundle():
return ActivityBundle(jobject.file_path)
elif jobject.is_content_bundle():
return ContentBundle(jobject.file_path)
elif jobject.metadata['mime_type'] == JournalEntryBundle.MIME_TYPE:
return JournalEntryBundle(jobject.file_path)
else:
return None
except MalformedBundleException, e:
logging.warning('Incorrect bundle: %r' % e)
return None
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