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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
import logging
import time
import traceback
import sys
import os
from gettext import gettext as _
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 import util
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 = util.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())))
file_name = _get_icon_file_name('application-octet-stream')
if not file_name and 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 or not os.path.exists(file_name):
file_name = _get_icon_file_name('application-octet-stream')
_icon_cache[cache_key] = file_name
return file_name
def get_date(jobject):
""" Convert from a string in iso format to a more human-like format. """
if jobject.metadata.has_key('timestamp'):
return util.timestamp_to_elapsed_string(jobject.metadata['timestamp'])
elif jobject.metadata.has_key('mtime'):
ti = time.strptime(jobject.metadata['mtime'], "%Y-%m-%dT%H:%M:%S")
return util.timestamp_to_elapsed_string(time.mktime(ti))
else:
return _('No date')
def get_bundle(jobject):
try:
if jobject.is_activity_bundle() and jobject.file_path:
return ActivityBundle(jobject.file_path)
elif jobject.is_content_bundle() and jobject.file_path:
return ContentBundle(jobject.file_path)
elif jobject.metadata['mime_type'] == JournalEntryBundle.MIME_TYPE \
and jobject.file_path:
return JournalEntryBundle(jobject.file_path)
else:
return None
except MalformedBundleException, e:
logging.warning('Incorrect bundle: %r' % e)
return None
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