Add util to generate unique ids.

sugar/presence/Group.py

@@ -1,8 +1,6 @@
 import Service
-import sha
-import binascii
-import time
 
+import sugar.util
 
 def is_group_service_type(stype):
 	"""Return True if the service type matches a group
@@ -11,21 +9,6 @@ def is_group_service_type(stype):
 		return True
 	return False
 
-
-def _stringify_sha(sha_hash):
-	"""Convert binary sha1 hash data into printable characters."""
-	print_sha = ""
-	for char in sha_hash:
-		print_sha = print_sha + binascii.b2a_hex(char)
-	return print_sha
-
-def _sha_data(data):
-	"""sha1 hash some bytes."""
-	sha_hash = sha.new()
-	sha_hash.update(data)
-	return sha_hash.digest()
-
-
 __GROUP_NAME_TAG = "Name"
 __GROUP_RESOURCE_TAG = "Resource"
 
@@ -37,10 +20,8 @@ def new_group_service(group_name, resource):
 		raise ValueError("group resource must be a valid string.")
 
 	# Create a randomized service type
-	data_string = "%s%s%s%s" % (time.time(), random.randint(10000, 100000), \
-			group_name, resource)
-	hash_string = _stringify_sha(_sha_data(data_string))
-	stype = "_%s_group_olpc._udp" % hash_string
+	data = "%s%s" % (group_name, resource)
+	stype = "_%s_group_olpc._udp" % sugar.util.unique_id(data)
 
 	properties = {__GROUP_NAME_TAG: group_name, __GROUP_RESOURCE_TAG: resource }
 	owner_nick = ""

sugar/shell/activity.py

@@ -69,7 +69,7 @@ class ActivityDbusService(dbus.service.Object):
 												   SHELL_SERVICE_NAME + ".ActivityContainer")
 
 		self._activity_id = self._activity_container.add_activity("")
-		self._object_path = SHELL_SERVICE_PATH + "/Activities/%d" % self._activity_id
+		self._object_path = SHELL_SERVICE_PATH + "/Activities/%s" % self._activity_id
 
 		print "ActivityDbusService: object path is '%s'" % self._object_path
 
@@ -77,8 +77,8 @@ class ActivityDbusService(dbus.service.Object):
 											  SHELL_SERVICE_NAME + ".ActivityHost")
 
 		# Now let us register a peer service so the Shell can poke it
-		self._peer_service_name = ACTIVITY_SERVICE_NAME + "%d" % self._activity_id
-		self._peer_object_path = ACTIVITY_SERVICE_PATH + "/%d" % self._activity_id
+		self._peer_service_name = ACTIVITY_SERVICE_NAME + "%s" % self._activity_id
+		self._peer_object_path = ACTIVITY_SERVICE_PATH + "/%s" % self._activity_id
 		self._service = dbus.service.BusName(self._peer_service_name, bus=self._bus)
 		dbus.service.Object.__init__(self, self._service, self._peer_object_path)
 
@@ -169,7 +169,7 @@ class Activity(object):
 		self._activity_object = activity_object
 		self._activity_id = activity_id
 		self._window_id = self._activity_object.get_host_xembed_id()
-		print "Activity: XEMBED window ID is %d" % self._window_id
+		print "Activity: XEMBED window ID is %s" % self._window_id
 		self._plug = gtk.Plug(self._window_id)
 		self.on_connected_to_shell()
 

sugar/shell/shell.py

@@ -7,26 +7,21 @@ pygtk.require('2.0')
 import gtk
 import pango
 
+import sugar.util
 from sugar.shell.PresenceWindow import PresenceWindow
 from sugar.shell.Owner import ShellOwner
 
-activity_counter = 0
-
 class ActivityHost(dbus.service.Object):
 
 	def __init__(self, activity_container, activity_name):
-		global activity_counter
-
 		self.activity_name = activity_name
 		self.ellipsize_tab = False
 
 		self.activity_container = activity_container
 		
-		self.activity_id = activity_counter
-		activity_counter += 1
+		self.activity_id = sugar.util.unique_id()
 		
-		self.dbus_object_name = "/com/redhat/Sugar/Shell/Activities/%d" % self.activity_id
-		#print "object name = %s"%self.dbus_object_name
+		self.dbus_object_name = "/com/redhat/Sugar/Shell/Activities/%s" % self.activity_id
 		
 		dbus.service.Object.__init__(self, activity_container.service, self.dbus_object_name)
 		self.socket = gtk.Socket()
@@ -290,7 +285,7 @@ class ActivityContainer(dbus.service.Object):
 
 	@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
 			 in_signature="s", \
-			 out_signature="i", \
+			 out_signature="s", \
 			 sender_keyword="sender")
 	def add_activity(self, activity_name, sender):
 		#print "hello world, activity_name = '%s', sender = '%s'"%(activity_name, sender)