More work on session refactoring

shell/ActivityRegistry.py

@@ -1,4 +1,9 @@
 import logging
+import os
+from ConfigParser import ConfigParser
+from ConfigParser import NoOptionError
+
+from sugar import env
 
 class ActivityModule:
 	"""Info about an activity module. Wraps a .activity file."""
@@ -17,9 +22,9 @@ class ActivityModule:
 		"""Get the activity identifier"""
 		return self._id
 
-	def get_class(self):
+	def get_exec(self):
 		"""Get the activity executable"""
-		return self._class
+		return self._exec
 
 	def get_directory(self):
 		"""Get the path to activity directory."""
@@ -33,9 +38,9 @@ class ActivityRegistry:
 	
 	def scan_directory(self, path):
 		"""Scan a directory for activities and add them to the registry.""" 
-		if os.path.isdir(base_dir):
-			for filename in os.listdir(base_dir):
-				activity_dir = os.path.join(base_dir, filename)
+		if os.path.isdir(path):
+			for filename in os.listdir(path):
+				activity_dir = os.path.join(path, filename)
 				if os.path.isdir(activity_dir):
 					for filename in os.listdir(activity_dir):
 						if filename.endswith(".activity"):
@@ -50,18 +55,26 @@ class ActivityRegistry:
 
 		try:
 			activity_id = cp.get('Activity', 'id')
+		except NoOptionError:
+			logging.error('%s miss the required id option' % (path))
+			return False
+
+		try:
 			name = cp.get('Activity', 'name')
 		except NoOptionError:
-			logging.error('%s miss a required option' % (path))
+			logging.error('%s miss the required name option' % (path))
+			return False
 
 		if cp.has_option('Activity', 'exec'):
 			activity_exec = cp.get('Activity', 'exec')
 		elif cp.has_option('Activity', 'python_module'):
 			python_module = cp.get('Activity', 'python_module')
 			activity_exec = 'python -m sugar/activity/Activity %s %s' \
-							% (name, python_module)
+							% (activity_id, python_module)
+			env.add_to_python_path(directory)
 		else:
 			logging.error('%s must specifiy exec or python_module' % (path))
+			return False
 
 		module = ActivityModule(name, activity_id, activity_exec, directory)
 		self._activities.append(module)

shell/HomeWindow.py

@@ -17,17 +17,17 @@ class NewActivityButton(gtk.MenuToolButton):
 	def __show_menu_cb(self, button):
 		menu = gtk.Menu()
 		
-		for activity_info in self._home.list_activities():
-			item = gtk.MenuItem(activity_info.get_title(), False)
-			name = activity_info.get_name()
-			item.connect('activate', self.__menu_item_activate_cb, name)
+		for module in self._home.list_activities():
+			item = gtk.MenuItem(module.get_name(), False)
+			activity_id = module.get_id()
+			item.connect('activate', self.__menu_item_activate_cb, activity_id)
 			menu.append(item)
 			item.show()
 		
 		self.set_menu(menu)
 		
-	def __menu_item_activate_cb(self, item, name):
-		self._home.create(name)
+	def __menu_item_activate_cb(self, item, activity_id):
+		self._home.create(activity_id)
 
 class Toolbar(gtk.Toolbar):
 	def __init__(self, shell):

shell/Process.py

@@ -1,6 +1,10 @@
+import logging
+
 import gobject
 
 class Process:
+	"""Object representing one of the session processes"""
+
 	def __init__(self, command):
 		self._pid = None
 		self._command = command
@@ -9,6 +13,9 @@ class Process:
 		return self._command
 	
 	def start(self):
+		print self._command
+		logging.debug('Start %s' % (self._command))
+
 		args = self._command.split()
 		flags = gobject.SPAWN_SEARCH_PATH or gobject.SPAWN_STDERR_TO_DEV_NULL
 		result = gobject.spawn_async(args, flags=flags, standard_output=True)

shell/Shell.py

@@ -1,3 +1,5 @@
+import os
+
 import dbus
 import gtk
 import wnck
@@ -7,6 +9,7 @@ from ConsoleLogger import ConsoleLogger
 from ActivityRegistry import ActivityRegistry
 from HomeWindow import HomeWindow
 from sugar import keybindings
+from sugar import env
 from sugar.activity import Activity
 from PresenceWindow import PresenceWindow
 from sugar.chat.ActivityChat import ActivityChat
@@ -50,7 +53,9 @@ class Shell:
 		self._owner = ShellOwner()
 
 		self._registry = ActivityRegistry()
-		
+		self._registry.scan_directory(env.get_activities_dir())
+		self._registry.scan_directory(os.path.join(env.get_user_dir(), 'activities'))
+
 		self._home_window = HomeWindow(self)
 		keybindings.setup_global_keys(self._home_window, self)
 		self._home_window.show()