From 959ddd059f8753126290a5fbb78f9539d4fceb07 Mon Sep 17 00:00:00 2001
From: Sascha Silbe <sascha-pgp@silbe.org>
Date: Mon, 30 Aug 2010 22:05:53 +0000
Subject: add support for Sugar 0.82

Tested on XO-1 running Sugar 0.82.1 / Build 801.
---
diff --git a/backup.py b/backup.py
index 13c683f..9f92e3f 100644
--- a/backup.py
+++ b/backup.py
@@ -17,6 +17,7 @@
 """
 
 import gettext
+import hashlib
 import logging
 import os
 import select
@@ -28,7 +29,6 @@ import traceback
 import zipfile
 
 import dbus
-import gconf
 import gobject
 import gtk
 
@@ -47,13 +47,13 @@ from sugar.activity import activity
 import sugar.env
 from sugar.graphics import style
 from sugar.graphics.toolbutton import ToolButton
-from sugar.graphics.xocolor import XoColor
 import sugar.logger
 from sugar import profile
 
 try:
     import json
-except ImportError:
+    json.dumps
+except (ImportError, AttributeError):
     import simplejson as json
 
 
@@ -131,11 +131,23 @@ class AsyncBackup(gobject.GObject):
         self._entries = None
         self._data_store = None
         self._user_name = profile.get_nick_name().replace('/', ' ')
-        self._key_hash = profile.get_profile().privkey_hash
+        self._id = self._get_id()
 
         if '\0' in self._user_name:
             raise ValueError('Invalid user name')
 
+    def _get_id(self):
+        """Determine a unique identifier for the user or machine.
+
+        On XOs, the serial number will be used. On other systems the SHA-1
+        hash of the public key will be used.
+        """
+        try:
+            return file('/ofw/mfg-data/SN').read().rstrip('\0\n')
+        except IOError:
+            logging.debug('Not running on XO')
+
+        return hashlib.sha1(profile.get_pubkey()).hexdigest()
 
     def start(self):
         """Start the backup process."""
@@ -290,7 +302,7 @@ class AsyncBackup(gobject.GObject):
             date = time.strftime('%Y-%m-%d')
 
         prefix = _('Journal backup of %s (%s) on %s') % (self._user_name,
-            self._key_hash, date)
+            self._id, date)
         bundle_fd, path = self._create_file(self._mount_point, prefix, '.xmj')
         try:
             return path, zipfile.ZipFile(path, 'w', zipfile.ZIP_DEFLATED)
@@ -329,11 +341,15 @@ class AsyncBackup(gobject.GObject):
             object_id = entry['uid']
             object_id_s = object_id
 
+        object_id_s = str(object_id_s)
         metadata = self._get_metadata(object_id)
         data_path = self._get_data(object_id)
         if data_path:
             bundle.write(data_path, os.path.join(object_id_s, object_id_s))
 
+        for name in metadata:
+            metadata[name] = str(metadata[name])
+
         for name, value in metadata.items():
             is_binary = False
             try:
@@ -390,7 +406,10 @@ class AsyncBackup(gobject.GObject):
                 {'tree_id': tree_id, 'version_id': version_id}, {},
                 byte_arrays=True)[0][0]
         else:
-            return self._data_store.get_properties(object_id, byte_arrays=True)
+            metadata = self._data_store.get_properties(object_id,
+                byte_arrays=True)
+            metadata['uid'] = object_id
+            return metadata
 
     def _get_data(self, object_id):
         """Return path to data for data store entry identified by object_id."""
@@ -420,8 +439,7 @@ class BackupActivity(activity.Activity):
         self._backup_button = None
         self._backup = None
         self._hal_devices = {}
-        client = gconf.client_get_default()
-        self._color = XoColor(client.get_string('/desktop/sugar/user/color'))
+        self._color = profile.get_color()
         self._setup_widgets()
         self._find_media()
 
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