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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 os
from gettext import gettext as _
import gio
from sugar.activity import activityfactory
from sugar.activity.activityhandle import ActivityHandle
from sugar.graphics.icon import get_icon_file_name
from sugar import mime
from sugar.bundle.activitybundle import ActivityBundle
from sugar.bundle.contentbundle import ContentBundle
from sugar.bundle.bundle import MalformedBundleException
from sugar import util
from jarabe.model import bundleregistry
from jarabe.journal.journalentrybundle import JournalEntryBundle
from jarabe.journal import model
def _get_icon_for_mime(mime_type):
generic_types = mime.get_all_generic_types()
for generic_type in generic_types:
if mime_type in generic_type.mime_types:
file_name = get_icon_file_name(generic_type.icon)
if file_name is not None:
return file_name
icons = gio.content_type_get_icon(mime_type)
logging.debug('icons for this file: %r', icons.props.names)
for icon_name in icons.props.names:
file_name = get_icon_file_name(icon_name)
if file_name is not None:
return file_name
def get_icon_name(metadata):
file_name = None
bundle_id = metadata.get('activity', '')
if not bundle_id:
bundle_id = metadata.get('bundle_id', '')
if bundle_id:
activity_info = bundleregistry.get_registry().get_bundle(bundle_id)
if activity_info:
file_name = activity_info.get_icon()
if file_name is None and is_activity_bundle(metadata):
file_path = model.get_file(metadata['uid'])
if file_path is not None and os.path.exists(file_path):
try:
bundle = ActivityBundle(file_path)
file_name = bundle.get_icon()
except Exception:
logging.warning('Could not read bundle:\n' + \
traceback.format_exc())
if file_name is None:
file_name = _get_icon_for_mime(metadata.get('mime_type', ''))
if file_name is None:
file_name = get_icon_file_name('application-octet-stream')
return file_name
def get_date(metadata):
""" Convert from a string in iso format to a more human-like format. """
if metadata.has_key('timestamp'):
timestamp = float(metadata['timestamp'])
return util.timestamp_to_elapsed_string(timestamp)
elif metadata.has_key('mtime'):
ti = time.strptime(metadata['mtime'], "%Y-%m-%dT%H:%M:%S")
return util.timestamp_to_elapsed_string(time.mktime(ti))
else:
return _('No date')
def get_bundle(metadata):
try:
if is_activity_bundle(metadata):
file_path = util.TempFilePath(model.get_file(metadata['uid']))
if not os.path.exists(file_path):
logging.warning('Invalid path: %r', file_path)
return None
return ActivityBundle(file_path)
elif is_content_bundle(metadata):
file_path = util.TempFilePath(model.get_file(metadata['uid']))
if not os.path.exists(file_path):
logging.warning('Invalid path: %r', file_path)
return None
return ContentBundle(file_path)
elif is_journal_bundle(metadata):
file_path = util.TempFilePath(model.get_file(metadata['uid']))
if not os.path.exists(file_path):
logging.warning('Invalid path: %r', file_path)
return None
return JournalEntryBundle(file_path)
else:
return None
except MalformedBundleException, e:
logging.warning('Incorrect bundle: %r', e)
return None
def _get_activities_for_mime(mime_type):
registry = bundleregistry.get_registry()
result = registry.get_activities_for_type(mime_type)
if not result:
for parent_mime in mime.get_mime_parents(mime_type):
for activity in registry.get_activities_for_type(parent_mime):
if activity not in result:
result.append(activity)
return result
def get_activities(metadata):
activities = []
bundle_id = metadata.get('activity', '')
if bundle_id:
activity_info = bundleregistry.get_registry().get_bundle(bundle_id)
if activity_info:
activities.append(activity_info)
mime_type = metadata.get('mime_type', '')
if mime_type:
activities_info = _get_activities_for_mime(mime_type)
for activity_info in activities_info:
if activity_info not in activities:
activities.append(activity_info)
return activities
def resume(metadata, bundle_id=None):
registry = bundleregistry.get_registry()
if is_activity_bundle(metadata) and bundle_id is None:
logging.debug('Creating activity bundle')
file_path = model.get_file(metadata['uid'])
bundle = ActivityBundle(file_path)
if not registry.is_installed(bundle):
logging.debug('Installing activity bundle')
registry.install(bundle)
else:
logging.debug('Upgrading activity bundle')
registry.upgrade(bundle)
logging.debug('activityfactory.creating bundle with id %r',
bundle.get_bundle_id())
installed_bundle = registry.get_bundle(bundle.get_bundle_id())
if installed_bundle:
activityfactory.create(installed_bundle)
else:
logging.error('Bundle %r is not installed.',
bundle.get_bundle_id())
elif is_content_bundle(metadata) and bundle_id is None:
logging.debug('Creating content bundle')
file_path = model.get_file(metadata['uid'])
bundle = ContentBundle(file_path)
if not bundle.is_installed():
logging.debug('Installing content bundle')
bundle.install()
activities = _get_activities_for_mime('text/html')
if len(activities) == 0:
logging.warning('No activity can open HTML content bundles')
return
uri = bundle.get_start_uri()
logging.debug('activityfactory.creating with uri %s', uri)
activity_bundle = registry.get_bundle(activities[0].get_bundle_id())
activityfactory.create_with_uri(activity_bundle, bundle.get_start_uri())
else:
if bundle_id is None:
activities = get_activities(metadata)
if not activities:
logging.warning('No activity can open this object, %s.',
metadata.get('mime_type', None))
return
bundle_id = activities[0].get_bundle_id()
bundle = registry.get_bundle(bundle_id)
activity_id = metadata.get('activity_id', '')
if metadata.get('mountpoint', '/') == '/':
object_id = metadata['uid']
else:
object_id = model.copy(metadata, '/')
if activity_id:
handle = ActivityHandle(object_id=object_id,
activity_id=activity_id)
activityfactory.create(bundle, handle)
else:
activityfactory.create_with_object_id(bundle, object_id)
def is_activity_bundle(metadata):
mime_type = metadata.get('mime_type', '')
return mime_type == ActivityBundle.MIME_TYPE or \
mime_type == ActivityBundle.DEPRECATED_MIME_TYPE
def is_content_bundle(metadata):
return metadata.get('mime_type', '') == ContentBundle.MIME_TYPE
def is_journal_bundle(metadata):
return metadata.get('mime_type', '') == JournalEntryBundle.MIME_TYPE
def is_bundle(metadata):
return is_activity_bundle(metadata) or is_content_bundle(metadata) or \
is_journal_bundle(metadata)
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