python-sugar3 0.110.0-4 / usr / bin / sugar-activity

#!/usr/bin/python

# Copyright (C) 2006-2008, Red Hat, Inc.
#
# 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 os
import sys

# Change the default encoding to avoid UnicodeDecodeError
# http://lists.sugarlabs.org/archive/sugar-devel/2012-August/038928.html
reload(sys)
sys.setdefaultencoding('utf-8')

import gettext
from optparse import OptionParser

import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)

from sugar3.activity import activityhandle
from sugar3 import config
from sugar3.bundle.activitybundle import ActivityBundle
from sugar3 import logger

from sugar3.bundle.bundle import MalformedBundleException

from distutils.dir_util import mkpath
import time
import hashlib
import random

def create_activity_instance(constructor, handle):
    activity = constructor(handle)
    activity.show()
    return activity


def get_single_process_name(bundle_id):
    return bundle_id


def get_single_process_path(bundle_id):
    return '/' + bundle_id.replace('.', '/')


class SingleProcess(dbus.service.Object):

    def __init__(self, name_service, constructor):
        self.constructor = constructor

        bus = dbus.SessionBus()
        bus_name = dbus.service.BusName(name_service, bus=bus)
        object_path = get_single_process_path(name_service)
        dbus.service.Object.__init__(self, bus_name, object_path)

    @dbus.service.method('org.laptop.SingleProcess', in_signature='a{sv}')
    def create(self, handle_dict):
        handle = activityhandle.create_from_dict(handle_dict)
        create_activity_instance(self.constructor, handle)


def main():
    usage = 'usage: %prog [options] [activity dir] [python class]'
    epilog = 'If you are running from a directory containing an Activity, ' \
             'the argument may be ommitted. Otherwise please provide either '\
             'a directory containing a Sugar Activity [activity dir], a '\
             '[python_class], or both.'

    parser = OptionParser(usage=usage, epilog=epilog)
    parser.add_option('-b', '--bundle-id', dest='bundle_id',
                      help='identifier of the activity bundle')
    parser.add_option('-a', '--activity-id', dest='activity_id',
                      help='identifier of the activity instance')
    parser.add_option('-o', '--object-id', dest='object_id',
                      help='identifier of the associated datastore object')
    parser.add_option('-u', '--uri', dest='uri',
                      help='URI to load')
    parser.add_option('-s', '--single-process', dest='single_process',
                      action='store_true',
                      help='start all the instances in the same process')
    parser.add_option('-i', '--invited', dest='invited',
                      action='store_true', default=False,
                      help='the activity is being launched for handling an '
                           'invite from the network')
    (options, args) = parser.parse_args()

    logger.start()

    activity_class = None
    if len(args) == 2:
        activity_class = args[1]
        os.chdir(args[0])
    elif len(args) == 1:
        if os.path.isdir(args[0]):
            os.chdir(args[0])
        else:
            activity_class = args[0]

    os.environ['SUGAR_BUNDLE_PATH'] = os.path.abspath(os.curdir)

    bundle_path = os.environ['SUGAR_BUNDLE_PATH']
    sys.path.insert(0, bundle_path)

    try:
        bundle = ActivityBundle(bundle_path)
    except MalformedBundleException:
        parser.print_help()
        exit(0)

    if not activity_class:
        if bundle.get_command().startswith('sugar-activity'):
            print 'Guessing python class from activity.info!'
            activity_class = bundle.get_command().split(" ")[1]

    if 'SUGAR_VERSION' not in os.environ:
        profile_id = os.environ.get('SUGAR_PROFILE', 'default')
        home_dir = os.environ.get('SUGAR_HOME', os.path.expanduser('~/.sugar'))
        base = os.path.join(home_dir, profile_id)
        activity_root = os.path.join(base, bundle.get_bundle_id())

        instance_dir = os.path.join(activity_root, 'instance')
        mkpath(instance_dir)

        data_dir = os.path.join(activity_root, 'data')
        mkpath(data_dir)

        tmp_dir = os.path.join(activity_root, 'tmp')
        mkpath(tmp_dir)

        os.environ['SUGAR_ACTIVITY_ROOT'] = activity_root
        os.environ['SUGAR_BUNDLE_PATH'] = bundle.get_path()

    os.environ['SUGAR_BUNDLE_ID'] = bundle.get_bundle_id()
    os.environ['SUGAR_BUNDLE_NAME'] = bundle.get_name()
    os.environ['SUGAR_BUNDLE_VERSION'] = str(bundle.get_activity_version())

    # must be done early, some activities set translations globally, SL #3654
    activity_locale_path = os.environ.get("SUGAR_LOCALEDIR",
                                          config.locale_path)

    gettext.bindtextdomain(bundle.get_bundle_id(), activity_locale_path)
    gettext.bindtextdomain('sugar-toolkit-gtk3', config.locale_path)
    gettext.textdomain(bundle.get_bundle_id())

    splitted_module = activity_class.rsplit('.', 1)
    module_name = splitted_module[0]
    class_name = splitted_module[1]

    module = __import__(module_name)
    for comp in module_name.split('.')[1:]:
        module = getattr(module, comp)

    activity_constructor = getattr(module, class_name)

    if not options.activity_id:
        # Generate random hash
        data = '%s%s' % (time.time(), random.randint(10000, 100000))
        random_hash = hashlib.sha1(data).hexdigest()
        options.activity_id = random_hash
        options.bundle_id = bundle.get_bundle_id()

    activity_handle = activityhandle.ActivityHandle(
        activity_id=options.activity_id,
        object_id=options.object_id, uri=options.uri,
        invited=options.invited)

    if options.single_process is True:
        sessionbus = dbus.SessionBus()

        service_name = get_single_process_name(options.bundle_id)
        service_path = get_single_process_path(options.bundle_id)

        bus_object = sessionbus.get_object(
            'org.freedesktop.DBus', '/org/freedesktop/DBus')
        try:
            name = bus_object.GetNameOwner(
                service_name, dbus_interface='org.freedesktop.DBus')
        except dbus.DBusException:
            name = None

        if not name:
            SingleProcess(service_name, activity_constructor)
        else:
            try:
                single_process = sessionbus.get_object(service_name,
                                                       service_path)
                single_process.create(
                    activity_handle.get_dict(),
                    dbus_interface='org.laptop.SingleProcess')

                print 'Created %s in a single process.' % service_name
                sys.exit(0)
            except (TypeError, dbus.DBusException):
                print 'Could not communicate with the instance process,' \
                    'launching a new process'

    if hasattr(module, 'start'):
        module.start()

    instance = create_activity_instance(activity_constructor, activity_handle)

    if hasattr(instance, 'run_main_loop'):
        instance.run_main_loop()

main()