Download and install activities

1 files changed, 80 insertions, 0 deletions

diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..da68751
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# utils.py by:
+#    Agustin Zubiaga <aguz@sugarlabs.org>
+
+# 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 3 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 gtk
+import time
+import json
+import urllib
+
+from sugar.activity import activity
+
+LIST_PATH = os.path.join(activity.get_activity_root(), 'data', 'store.lst')
+TMP_DIR = os.path.join(activity.get_activity_root(), "tmp")
+
+
+def get_store_list():
+    """Returns the store list"""
+    file = open(LIST_PATH, 'r')
+
+    try:
+        store_list = json.load(file)
+
+    finally:
+        file.close()
+
+    return store_list
+
+
+def get_icon(activity_id):
+    store_list = get_store_list()
+    activity_obj = store_list[activity_id]
+
+    url = activity_obj["Icon"]
+    file = "%s/icon%s" % (TMP_DIR, time.time())
+
+    fileimage, headers = urllib.urlretrieve(url, file)
+    pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(fileimage, 45, 45)
+
+    return pixbuf
+
+
+def download_activity(id, progress_function):
+    store_list = get_store_list()
+    activity_obj = store_list[id]
+
+    def progress_changed(block, block_size, total_size):
+        downloaded = block * block_size
+        progress = downloaded * 100 / total_size
+
+        progress_function(progress)
+
+    xo = '%s.xo' % activity_obj['Name'].replace('=', '')
+    file_path = os.path.join(activity.get_activity_root(), "data", "%s" % (xo))
+
+    urllib.urlretrieve(activity_obj['Download'],
+                       file_path,
+                       reporthook=progress_changed)
+
+    install_activity(file_path)
+
+
+def install_activity(xofile):
+    os.system('sugar-install-bundle %s' % xofile)