Use the new DataStore and remove the old one.
This commit is contained in:
@@ -22,6 +22,7 @@ activity must do to participate in the Sugar desktop.
|
||||
|
||||
import logging
|
||||
import os
|
||||
import time
|
||||
|
||||
import gtk, gobject
|
||||
|
||||
@@ -30,6 +31,8 @@ from sugar.activity.activityservice import ActivityService
|
||||
from sugar.graphics.window import Window
|
||||
from sugar.graphics.toolbox import Toolbox
|
||||
from sugar.graphics.toolbutton import ToolButton
|
||||
from sugar.datastore import datastore
|
||||
from sugar import profile
|
||||
|
||||
class ActivityToolbar(gtk.Toolbar):
|
||||
__gsignals__ = {
|
||||
@@ -53,6 +56,30 @@ class ActivityToolbar(gtk.Toolbar):
|
||||
if activity.get_shared():
|
||||
self.share.set_sensitive(False)
|
||||
self.share.show()
|
||||
if activity.jobject:
|
||||
self.title = gtk.Entry()
|
||||
self.title.set_text(activity.jobject['title'])
|
||||
self.title.connect('activate', self._title_activate_cb)
|
||||
self._add_widget(self.title, expand=True)
|
||||
|
||||
activity.jobject.connect('updated', self._jobject_updated_cb)
|
||||
|
||||
def _jobject_updated_cb(self, jobject):
|
||||
self.title.set_text(jobject['title'])
|
||||
|
||||
def _title_activate_cb(self, entry):
|
||||
self._activity.jobject['title'] = self.title.get_text()
|
||||
self._activity.save()
|
||||
|
||||
def _add_widget(self, widget, expand=False):
|
||||
tool_item = gtk.ToolItem()
|
||||
tool_item.set_expand(expand)
|
||||
|
||||
tool_item.add(widget)
|
||||
widget.show()
|
||||
|
||||
self.insert(tool_item, -1)
|
||||
tool_item.show()
|
||||
|
||||
def _activity_shared_cb(self, activity):
|
||||
self.share.set_sensitive(False)
|
||||
@@ -102,14 +129,18 @@ class Activity(Window, gtk.Container):
|
||||
'joined': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
|
||||
}
|
||||
|
||||
def __init__(self, handle):
|
||||
def __init__(self, handle, create_jobject=True):
|
||||
"""Initialise the Activity
|
||||
|
||||
handle -- sugar.activity.activityhandle.ActivityHandle
|
||||
instance providing the activity id and access to the
|
||||
presence service which *may* provide sharing for this
|
||||
application
|
||||
|
||||
|
||||
create_jobject -- boolean
|
||||
define if it should create a journal object if we are
|
||||
not resuming
|
||||
|
||||
Side effects:
|
||||
|
||||
Sets the gdk screen DPI setting (resolution) to the
|
||||
@@ -145,6 +176,61 @@ class Activity(Window, gtk.Container):
|
||||
|
||||
self._bus = ActivityService(self)
|
||||
|
||||
if handle.object_id:
|
||||
self.jobject = datastore.get(handle.object_id)
|
||||
elif create_jobject:
|
||||
logging.debug('Creating a jobject.')
|
||||
self.jobject = datastore.create()
|
||||
self.jobject['title'] = 'New entry'
|
||||
self.jobject['activity'] = self.get_service_name()
|
||||
self.jobject['date'] = str(time.time())
|
||||
self.jobject['icon'] = 'theme:object-text'
|
||||
self.jobject['keep'] = '0'
|
||||
self.jobject['buddies'] = ''
|
||||
self.jobject['preview'] = ''
|
||||
self.jobject['icon-color'] = profile.get_color().to_string()
|
||||
self.jobject.file_path = '/tmp/teste'
|
||||
f = open(self.jobject.file_path, 'w')
|
||||
f.write('mec')
|
||||
f.close()
|
||||
datastore.write(self.jobject)
|
||||
else:
|
||||
self.jobject = None
|
||||
|
||||
self.connect('realize', self._realize_cb)
|
||||
|
||||
def _realize_cb(self, activity):
|
||||
try:
|
||||
self.read_file()
|
||||
except NotImplementedError:
|
||||
logging.debug('read_file() not implemented.')
|
||||
pass
|
||||
|
||||
def read_file(self):
|
||||
"""
|
||||
Subclasses implement this method if they support resuming objects from
|
||||
the journal. Can access the object through the jobject attribute.
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
def write_file(self):
|
||||
"""
|
||||
Subclasses implement this method if they support saving data to objects
|
||||
in the journal. Can access the object through the jobject attribute.
|
||||
Must return the file path the data was saved to.
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
def save(self):
|
||||
"""Request that the activity is saved to the Journal."""
|
||||
try:
|
||||
file_path = self.write_file()
|
||||
self.jobject.file_path = file_path
|
||||
except NotImplementedError:
|
||||
pass
|
||||
datastore.write(self.jobject)
|
||||
|
||||
|
||||
def _internal_joined_cb(self, activity, success, err):
|
||||
"""Callback when join has finished"""
|
||||
self._shared_activity.disconnect(self._join_id)
|
||||
@@ -200,6 +286,12 @@ class Activity(Window, gtk.Container):
|
||||
self._shared_activity.leave()
|
||||
|
||||
def _handle_close_cb(self, toolbar):
|
||||
if self.jobject:
|
||||
try:
|
||||
self.save()
|
||||
except:
|
||||
self.destroy()
|
||||
raise
|
||||
self.destroy()
|
||||
|
||||
def _handle_share_cb(self, toolbar):
|
||||
|
||||
@@ -1,4 +1,5 @@
|
||||
sugardir = $(pythondir)/sugar/datastore
|
||||
sugar_PYTHON = \
|
||||
__init__.py \
|
||||
sugar_PYTHON = \
|
||||
__init__.py \
|
||||
dbus_helpers.py \
|
||||
datastore.py
|
||||
|
||||
+38
-272
@@ -1,4 +1,4 @@
|
||||
# Copyright (C) 2006, Red Hat, Inc.
|
||||
# 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
|
||||
@@ -15,289 +15,55 @@
|
||||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
import logging
|
||||
|
||||
import dbus
|
||||
import dbus.glib
|
||||
import gobject
|
||||
|
||||
from sugar import util
|
||||
|
||||
DS_DBUS_SERVICE = "org.laptop.sugar.DataStore"
|
||||
DS_DBUS_INTERFACE = "org.laptop.sugar.DataStore"
|
||||
DS_DBUS_PATH = "/org/laptop/sugar/DataStore"
|
||||
|
||||
_bus = dbus.SessionBus()
|
||||
_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE, DS_DBUS_PATH),
|
||||
DS_DBUS_INTERFACE)
|
||||
|
||||
class DataStoreObject:
|
||||
def __init__(self, metadata, file_path=None, handle=None):
|
||||
self._metadata = metadata
|
||||
self._file_path = file_path
|
||||
self._handle = handle
|
||||
|
||||
def get_metadata(self):
|
||||
return self._metadata
|
||||
|
||||
def get_file_path(self):
|
||||
return self._file_path
|
||||
|
||||
def set_file_path(self, file_path):
|
||||
self._file_path = file_path
|
||||
|
||||
def get_handle(self):
|
||||
return self._handle
|
||||
|
||||
def get_object_type(self):
|
||||
raise NotImplementedError()
|
||||
|
||||
class Text(DataStoreObject):
|
||||
def get_object_type(self):
|
||||
return 'text'
|
||||
|
||||
class Picture(DataStoreObject):
|
||||
def get_object_type(self):
|
||||
return 'picture'
|
||||
|
||||
class Link(DataStoreObject):
|
||||
def get_object_type(self):
|
||||
return 'link'
|
||||
|
||||
class WebSession(DataStoreObject):
|
||||
def get_object_type(self):
|
||||
return 'web_session'
|
||||
|
||||
def _read_from_object_path(object_path):
|
||||
dbus_object = _bus.get_object(DS_DBUS_SERVICE, object_path)
|
||||
metadata = dbus_object.get_properties(dbus.Dictionary({}, signature='sv'))
|
||||
|
||||
object_type = metadata['object-type']
|
||||
file_path = metadata['file-path']
|
||||
handle = metadata['handle']
|
||||
|
||||
del metadata['object-type']
|
||||
del metadata['file-path']
|
||||
del metadata['handle']
|
||||
|
||||
if object_type == 'text':
|
||||
return Text(metadata, file_path, handle)
|
||||
elif object_type == 'picture':
|
||||
return Picture(metadata, file_path, handle)
|
||||
elif object_type == 'link':
|
||||
return Link(metadata, file_path, handle)
|
||||
elif object_type == 'web_session':
|
||||
return WebSession(metadata, file_path, handle)
|
||||
else:
|
||||
raise NotImplementedError('Unknown object type.')
|
||||
|
||||
def read(handle):
|
||||
object_path = _data_store.get(handle)
|
||||
return _read_from_object_path(object_path)
|
||||
|
||||
def write(obj):
|
||||
metadata = obj.get_metadata().copy()
|
||||
metadata['file-path'] = obj.get_file_path()
|
||||
metadata['object-type'] = obj.get_object_type()
|
||||
|
||||
if obj.get_handle():
|
||||
_data_store.update(int(obj.get_handle()), dbus.Dictionary(metadata))
|
||||
return obj.get_handle()
|
||||
else:
|
||||
object_path = _data_store.create(dbus.Dictionary(metadata))
|
||||
dbus_object = _bus.get_object(DS_DBUS_SERVICE, object_path)
|
||||
return dbus_object.get_properties(['handle'])['handle']
|
||||
|
||||
def find(query):
|
||||
object_paths = _data_store.find(query)
|
||||
objects = []
|
||||
for object_path in object_paths:
|
||||
objects.append(_read_from_object_path(object_path))
|
||||
return objects
|
||||
|
||||
def delete(handle):
|
||||
pass
|
||||
|
||||
################################################################################
|
||||
|
||||
class ObjectCache(object):
|
||||
def __init__(self):
|
||||
self._cache = {}
|
||||
|
||||
def get(self, object_path):
|
||||
try:
|
||||
return self._cache[object_path]
|
||||
except KeyError:
|
||||
return None
|
||||
|
||||
def add(self, obj):
|
||||
op = obj.object_path()
|
||||
if not self._cache.has_key(op):
|
||||
self._cache[op] = obj
|
||||
|
||||
def remove(self, object_path):
|
||||
try:
|
||||
del self._cache[object_path]
|
||||
except IndexError:
|
||||
pass
|
||||
|
||||
|
||||
from sugar.datastore import dbus_helpers
|
||||
|
||||
class DSObject(gobject.GObject):
|
||||
|
||||
__gsignals__ = {
|
||||
'updated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
|
||||
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT]))
|
||||
([gobject.TYPE_PYOBJECT]))
|
||||
}
|
||||
|
||||
_DS_OBJECT_DBUS_INTERFACE = "org.laptop.sugar.DataStore.Object"
|
||||
|
||||
def __init__(self, bus, new_obj_cb, del_obj_cb, object_path):
|
||||
def __init__(self, object_id, metadata, file_path):
|
||||
gobject.GObject.__init__(self)
|
||||
self._object_path = object_path
|
||||
self._ps_new_object = new_obj_cb
|
||||
self._ps_del_object = del_obj_cb
|
||||
bobj = bus.get_object(DS_DBUS_SERVICE, object_path)
|
||||
self._dsobj = dbus.Interface(bobj, self._DS_OBJECT_DBUS_INTERFACE)
|
||||
self._dsobj.connect_to_signal('Updated', self._updated_cb)
|
||||
self._data = None
|
||||
self._data_needs_update = True
|
||||
self._properties = None
|
||||
self._deleted = False
|
||||
self.object_id = object_id
|
||||
self.metadata = metadata
|
||||
self.file_path = file_path
|
||||
|
||||
def object_path(self):
|
||||
return self._object_path
|
||||
def __getitem__(self, key):
|
||||
return self.metadata[key]
|
||||
|
||||
def uid(self):
|
||||
if not self._properties:
|
||||
self._properties = self._dsobj.get_properties([])
|
||||
return self._properties['uid']
|
||||
def __setitem__(self, key, value):
|
||||
self.metadata[key] = value
|
||||
|
||||
def _emit_updated_signal(self, data, prop_dict, deleted):
|
||||
self.emit('updated', data, prop_dict, deleted)
|
||||
return False
|
||||
def get(object_id):
|
||||
logging.debug('datastore.get')
|
||||
metadata = dbus_helpers.get_properties(object_id)
|
||||
file_path = dbus_helpers.get_filename(object_id)
|
||||
logging.debug('filepath: ' + file_path)
|
||||
ds_object = DSObject(object_id, metadata, file_path)
|
||||
# TODO: register the object for updates
|
||||
return ds_object
|
||||
|
||||
def _update_internal_properties(self, prop_dict):
|
||||
did_update = False
|
||||
for (key, value) in prop_dict.items():
|
||||
if not len(value):
|
||||
if self._properties.has_key(ley):
|
||||
did_update = True
|
||||
del self._properties[key]
|
||||
else:
|
||||
if self._properties.has_key(key):
|
||||
if self._properties[key] != value:
|
||||
did_update = True
|
||||
self._properties[key] = value
|
||||
else:
|
||||
did_update = True
|
||||
self._properties[key] = value
|
||||
return did_update
|
||||
def create():
|
||||
return DSObject(object_id=None, metadata={}, file_path=None)
|
||||
|
||||
def _updated_cb(self, data=False, prop_dict={}, deleted=False):
|
||||
if self._update_internal_properties(prop_dict):
|
||||
gobject.idle_add(self._emit_updated_signal, data, prop_dict, deleted)
|
||||
self._deleted = deleted
|
||||
def write(ds_object):
|
||||
logging.debug('datastore.write')
|
||||
if ds_object.object_id:
|
||||
dbus_helpers.update(ds_object.object_id,
|
||||
ds_object.metadata,
|
||||
ds_object.file_path)
|
||||
else:
|
||||
ds_object.object_id = dbus_helpers.create(ds_object.metadata,
|
||||
ds_object.file_path)
|
||||
# TODO: register the object for updates
|
||||
logging.debug('Written object %s to the datastore.' % ds_object.object_id)
|
||||
|
||||
def get_data(self):
|
||||
if self._data_needs_update:
|
||||
data = self._dsobj.get_data()
|
||||
self._data = ""
|
||||
for c in data:
|
||||
self._data += chr(c)
|
||||
return self._data
|
||||
|
||||
def set_data(self, data):
|
||||
old_data = self._data
|
||||
self._data = data
|
||||
try:
|
||||
self._dsobj.set_data(dbus.ByteArray(data))
|
||||
del old_data
|
||||
except dbus.DBusException, e:
|
||||
self._data = old_data
|
||||
raise e
|
||||
|
||||
def set_properties(self, prop_dict):
|
||||
old_props = self._properties
|
||||
self._update_internal_properties(prop_dict)
|
||||
try:
|
||||
self._dsobj.set_properties(prop_dict)
|
||||
del old_props
|
||||
except dbus.DBusException, e:
|
||||
self._properties = old_props
|
||||
raise e
|
||||
|
||||
def get_properties(self, prop_list=[]):
|
||||
if not self._properties:
|
||||
self._properties = self._dsobj.get_properties(prop_list)
|
||||
return self._properties
|
||||
|
||||
class DataStore(gobject.GObject):
|
||||
|
||||
_DS_DBUS_OBJECT_PATH = DS_DBUS_PATH + "/Object/"
|
||||
|
||||
def __init__(self):
|
||||
gobject.GObject.__init__(self)
|
||||
self._objcache = ObjectCache()
|
||||
self._bus = dbus.SessionBus()
|
||||
self._ds = dbus.Interface(self._bus.get_object(DS_DBUS_SERVICE,
|
||||
DS_DBUS_PATH), DS_DBUS_INTERFACE)
|
||||
|
||||
def _new_object(self, object_path):
|
||||
obj = self._objcache.get(object_path)
|
||||
if obj:
|
||||
return obj
|
||||
|
||||
if object_path.startswith(self._DS_DBUS_OBJECT_PATH):
|
||||
obj = DSObject(self._bus, self._new_object,
|
||||
self._del_object, object_path)
|
||||
else:
|
||||
raise RuntimeError("Unknown object type")
|
||||
self._objcache.add(obj)
|
||||
return obj
|
||||
|
||||
def _del_object(self, object_path):
|
||||
# FIXME
|
||||
pass
|
||||
|
||||
def get(self, uid=None, activity_id=None):
|
||||
if not activity_id and not uid:
|
||||
raise ValueError("At least one of activity_id or uid must be specified")
|
||||
if activity_id and uid:
|
||||
raise ValueError("Only one of activity_id or uid can be specified")
|
||||
if activity_id:
|
||||
if not util.validate_activity_id(activity_id):
|
||||
raise ValueError("activity_id must be valid")
|
||||
return self._new_object(self._ds.getActivityObject(activity_id))
|
||||
elif uid:
|
||||
if not len(uid):
|
||||
raise ValueError("uid must be valid")
|
||||
return self._new_object(self._ds.get(int(uid)))
|
||||
raise RuntimeError("At least one of activity_id or uid must be specified")
|
||||
|
||||
def create(self, data, prop_dict={}, activity_id=None):
|
||||
if activity_id and not util.validate_activity_id(activity_id):
|
||||
raise ValueError("activity_id must be valid")
|
||||
if not activity_id:
|
||||
activity_id = ""
|
||||
op = self._ds.create(dbus.ByteArray(data), dbus.Dictionary(prop_dict), activity_id)
|
||||
return self._new_object(op)
|
||||
|
||||
def delete(self, obj):
|
||||
op = obj.object_path()
|
||||
obj = self._objcache.get(op)
|
||||
if not obj:
|
||||
raise RuntimeError("Object not found.")
|
||||
self._ds.delete(op)
|
||||
|
||||
def find(self, prop_dict):
|
||||
ops = self._ds.find(dbus.Dictionary(prop_dict))
|
||||
objs = []
|
||||
for op in ops:
|
||||
objs.append(self._new_object(op))
|
||||
return objs
|
||||
|
||||
_ds = None
|
||||
def get_instance():
|
||||
global _ds
|
||||
if not _ds:
|
||||
_ds = DataStore()
|
||||
return _ds
|
||||
def find(query):
|
||||
object_ids = dbus_helpers.find({})
|
||||
objects = []
|
||||
for object_id in object_ids:
|
||||
objects.append(get(object_id))
|
||||
return objects
|
||||
|
||||
@@ -0,0 +1,302 @@
|
||||
# Copyright (C) 2006, Red Hat, Inc.
|
||||
# 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 dbus
|
||||
import dbus.glib
|
||||
import gobject
|
||||
|
||||
from sugar import util
|
||||
|
||||
DS_DBUS_SERVICE = "org.laptop.sugar.DataStore"
|
||||
DS_DBUS_INTERFACE = "org.laptop.sugar.DataStore"
|
||||
DS_DBUS_PATH = "/org/laptop/sugar/DataStore"
|
||||
|
||||
_bus = dbus.SessionBus()
|
||||
_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE, DS_DBUS_PATH),
|
||||
DS_DBUS_INTERFACE)
|
||||
|
||||
def create(properties, filename):
|
||||
logging.debug('dbus_helpers.create: %s, %s' % (properties, filename))
|
||||
object_id = _data_store.create(dbus.Dictionary(properties), filename)
|
||||
logging.debug('dbus_helpers.create: ' + object_id)
|
||||
return object_id
|
||||
|
||||
def update(uid, properties, filename):
|
||||
_data_store.update(uid, dbus.Dictionary(properties), filename)
|
||||
|
||||
def get_properties(uid):
|
||||
return _data_store.get_properties(uid)
|
||||
|
||||
def get_filename(uid):
|
||||
return _data_store.get_filename(uid)
|
||||
|
||||
def find(query):
|
||||
return _data_store.find(query)
|
||||
"""
|
||||
|
||||
|
||||
class DataStoreObject(gobject.GObject):
|
||||
|
||||
__gsignals__ = {
|
||||
'updated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
|
||||
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT]))
|
||||
}
|
||||
|
||||
def __init__(self, metadata, file_path=None, handle=None):
|
||||
self._metadata = metadata
|
||||
self.file_path = file_path
|
||||
self.handle = handle
|
||||
|
||||
def __getitem__(self, key):
|
||||
return self._metadata[key]
|
||||
|
||||
def __setitem__(self, key, value):
|
||||
self._metadata[key] = value
|
||||
|
||||
def get_metadata(self):
|
||||
return self._metadata
|
||||
|
||||
def _read_from_object_path(object_path):
|
||||
dbus_object = _bus.get_object(DS_DBUS_SERVICE, object_path)
|
||||
metadata = dbus_object.get_properties(dbus.Dictionary({}, signature='sv'))
|
||||
|
||||
object_type = metadata['object-type']
|
||||
file_path = metadata['file-path']
|
||||
handle = metadata['handle']
|
||||
|
||||
del metadata['object-type']
|
||||
del metadata['file-path']
|
||||
del metadata['handle']
|
||||
|
||||
return DataStoreObject(metadata, file_path, handle)
|
||||
|
||||
def create():
|
||||
return DataStoreObject({})
|
||||
|
||||
def read(handle):
|
||||
object_path = _data_store.get(handle)
|
||||
return _read_from_object_path(object_path)
|
||||
|
||||
def write(obj):
|
||||
if obj.handle:
|
||||
_data_store.update(int(obj.handle),
|
||||
dbus.Dictionary(obj.get_metadata().copy()),
|
||||
obj.get_file_path())
|
||||
else:
|
||||
object_path = _data_store.create(dbus.Dictionary(metadata),
|
||||
obj.get_file_path())
|
||||
dbus_object = _bus.get_object(DS_DBUS_SERVICE, object_path)
|
||||
obj.handle = dbus_object.get_properties(['handle'])['handle']
|
||||
|
||||
def find(query):
|
||||
object_paths = _data_store.find(query)
|
||||
objects = []
|
||||
for object_path in object_paths:
|
||||
objects.append(_read_from_object_path(object_path))
|
||||
return objects
|
||||
|
||||
def delete(handle):
|
||||
pass
|
||||
|
||||
################################################################################
|
||||
|
||||
class ObjectCache(object):
|
||||
def __init__(self):
|
||||
self._cache = {}
|
||||
|
||||
def get(self, object_path):
|
||||
try:
|
||||
return self._cache[object_path]
|
||||
except KeyError:
|
||||
return None
|
||||
|
||||
def add(self, obj):
|
||||
op = obj.object_path()
|
||||
if not self._cache.has_key(op):
|
||||
self._cache[op] = obj
|
||||
|
||||
def remove(self, object_path):
|
||||
try:
|
||||
del self._cache[object_path]
|
||||
except IndexError:
|
||||
pass
|
||||
|
||||
|
||||
|
||||
class DSObject(gobject.GObject):
|
||||
|
||||
__gsignals__ = {
|
||||
'updated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
|
||||
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT]))
|
||||
}
|
||||
|
||||
_DS_OBJECT_DBUS_INTERFACE = "org.laptop.sugar.DataStore.Object"
|
||||
|
||||
def __init__(self, bus, new_obj_cb, del_obj_cb, object_path):
|
||||
gobject.GObject.__init__(self)
|
||||
self._object_path = object_path
|
||||
self._ps_new_object = new_obj_cb
|
||||
self._ps_del_object = del_obj_cb
|
||||
bobj = bus.get_object(DS_DBUS_SERVICE, object_path)
|
||||
self._dsobj = dbus.Interface(bobj, self._DS_OBJECT_DBUS_INTERFACE)
|
||||
self._dsobj.connect_to_signal('Updated', self._updated_cb)
|
||||
self._data = None
|
||||
self._data_needs_update = True
|
||||
self._properties = None
|
||||
self._deleted = False
|
||||
|
||||
def object_path(self):
|
||||
return self._object_path
|
||||
|
||||
def uid(self):
|
||||
if not self._properties:
|
||||
self._properties = self._dsobj.get_properties([])
|
||||
return self._properties['uid']
|
||||
|
||||
def _emit_updated_signal(self, data, prop_dict, deleted):
|
||||
self.emit('updated', data, prop_dict, deleted)
|
||||
return False
|
||||
|
||||
def _update_internal_properties(self, prop_dict):
|
||||
did_update = False
|
||||
for (key, value) in prop_dict.items():
|
||||
if not len(value):
|
||||
if self._properties.has_key(ley):
|
||||
did_update = True
|
||||
del self._properties[key]
|
||||
else:
|
||||
if self._properties.has_key(key):
|
||||
if self._properties[key] != value:
|
||||
did_update = True
|
||||
self._properties[key] = value
|
||||
else:
|
||||
did_update = True
|
||||
self._properties[key] = value
|
||||
return did_update
|
||||
|
||||
def _updated_cb(self, data=False, prop_dict={}, deleted=False):
|
||||
if self._update_internal_properties(prop_dict):
|
||||
gobject.idle_add(self._emit_updated_signal, data, prop_dict, deleted)
|
||||
self._deleted = deleted
|
||||
|
||||
def get_data(self):
|
||||
if self._data_needs_update:
|
||||
data = self._dsobj.get_data()
|
||||
self._data = ""
|
||||
for c in data:
|
||||
self._data += chr(c)
|
||||
return self._data
|
||||
|
||||
def set_data(self, data):
|
||||
old_data = self._data
|
||||
self._data = data
|
||||
try:
|
||||
self._dsobj.set_data(dbus.ByteArray(data))
|
||||
del old_data
|
||||
except dbus.DBusException, e:
|
||||
self._data = old_data
|
||||
raise e
|
||||
|
||||
def set_properties(self, prop_dict):
|
||||
old_props = self._properties
|
||||
self._update_internal_properties(prop_dict)
|
||||
try:
|
||||
self._dsobj.set_properties(prop_dict)
|
||||
del old_props
|
||||
except dbus.DBusException, e:
|
||||
self._properties = old_props
|
||||
raise e
|
||||
|
||||
def get_properties(self, prop_list=[]):
|
||||
if not self._properties:
|
||||
self._properties = self._dsobj.get_properties(prop_list)
|
||||
return self._properties
|
||||
|
||||
class DataStore(gobject.GObject):
|
||||
|
||||
_DS_DBUS_OBJECT_PATH = DS_DBUS_PATH + "/Object/"
|
||||
|
||||
def __init__(self):
|
||||
gobject.GObject.__init__(self)
|
||||
self._objcache = ObjectCache()
|
||||
self._bus = dbus.SessionBus()
|
||||
self._ds = dbus.Interface(self._bus.get_object(DS_DBUS_SERVICE,
|
||||
DS_DBUS_PATH), DS_DBUS_INTERFACE)
|
||||
|
||||
def _new_object(self, object_path):
|
||||
obj = self._objcache.get(object_path)
|
||||
if obj:
|
||||
return obj
|
||||
|
||||
if object_path.startswith(self._DS_DBUS_OBJECT_PATH):
|
||||
obj = DSObject(self._bus, self._new_object,
|
||||
self._del_object, object_path)
|
||||
else:
|
||||
raise RuntimeError("Unknown object type")
|
||||
self._objcache.add(obj)
|
||||
return obj
|
||||
|
||||
def _del_object(self, object_path):
|
||||
# FIXME
|
||||
pass
|
||||
|
||||
def get(self, uid=None, activity_id=None):
|
||||
if not activity_id and not uid:
|
||||
raise ValueError("At least one of activity_id or uid must be specified")
|
||||
if activity_id and uid:
|
||||
raise ValueError("Only one of activity_id or uid can be specified")
|
||||
if activity_id:
|
||||
if not util.validate_activity_id(activity_id):
|
||||
raise ValueError("activity_id must be valid")
|
||||
return self._new_object(self._ds.getActivityObject(activity_id))
|
||||
elif uid:
|
||||
if not len(uid):
|
||||
raise ValueError("uid must be valid")
|
||||
return self._new_object(self._ds.get(int(uid)))
|
||||
raise RuntimeError("At least one of activity_id or uid must be specified")
|
||||
|
||||
def create(self, data, prop_dict={}, activity_id=None):
|
||||
if activity_id and not util.validate_activity_id(activity_id):
|
||||
raise ValueError("activity_id must be valid")
|
||||
if not activity_id:
|
||||
activity_id = ""
|
||||
op = self._ds.create(dbus.ByteArray(data), dbus.Dictionary(prop_dict), activity_id)
|
||||
return self._new_object(op)
|
||||
|
||||
def delete(self, obj):
|
||||
op = obj.object_path()
|
||||
obj = self._objcache.get(op)
|
||||
if not obj:
|
||||
raise RuntimeError("Object not found.")
|
||||
self._ds.delete(op)
|
||||
|
||||
def find(self, prop_dict):
|
||||
ops = self._ds.find(dbus.Dictionary(prop_dict))
|
||||
objs = []
|
||||
for op in ops:
|
||||
objs.append(self._new_object(op))
|
||||
return objs
|
||||
|
||||
_ds = None
|
||||
def get_instance():
|
||||
global _ds
|
||||
if not _ds:
|
||||
_ds = DataStore()
|
||||
return _ds
|
||||
|
||||
"""
|
||||
@@ -55,13 +55,11 @@ class ComboBox(gtk.ComboBox):
|
||||
|
||||
def append_item(self, action_id, text, icon_name=None):
|
||||
if not self._icon_renderer and icon_name:
|
||||
logging.debug('Adding icon renderer.')
|
||||
self._icon_renderer = gtk.CellRendererPixbuf()
|
||||
self.pack_start(self._icon_renderer, False)
|
||||
self.add_attribute(self._icon_renderer, 'icon-name', 2)
|
||||
|
||||
if not self._text_renderer and text:
|
||||
logging.debug('Adding text renderer.')
|
||||
self._text_renderer = gtk.CellRendererText()
|
||||
self.pack_end(self._text_renderer, True)
|
||||
self.add_attribute(self._text_renderer, 'text', 1)
|
||||
|
||||
Reference in New Issue
Block a user