Cleanup and document session creation and activity registry

shell/session/Makefile.am

@@ -1,4 +0,0 @@
-sugardir = $(pkgdatadir)/shell/session
-sugar_PYTHON =		\
-	__init__.py	\
-	session.py

shell/session/session.py

@@ -1,70 +0,0 @@
-import os
-import signal
-from ConfigParser import ConfigParser
-
-import pygtk
-pygtk.require('2.0')
-import gtk
-
-from sugar.activity import Activity
-from sugar import env
-
-from Shell import Shell
-
-class Session:
-	def __init__(self):
-		self._activity_processes = {}
-
-	def start(self):
-		shell = Shell()
-		shell.connect('close', self._shell_close_cb)
-		shell.start()
-		
-		self._run_activities()
-
-		try:
-			gtk.main()
-		except KeyboardInterrupt:
-			print 'Ctrl+C pressed, exiting...'
-			self.shutdown()
-
-	def _run_activities(self):
-		base_dirs = []
-		
-		base_dirs.append(env.get_activities_dir())
-		base_dirs.append(os.path.join(env.get_user_dir(), 'activities'))
-
-		for base_dir in base_dirs:
-			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(activity_dir):
-						self._run_activity(os.path.abspath(activity_dir))
-
-	def _run_activity(self, activity_dir):
-		env.add_to_python_path(activity_dir)
-
-		for filename in os.listdir(activity_dir):
-			if filename.endswith(".activity"):
-				path = os.path.join(activity_dir, filename)
-				cp = ConfigParser()
-				cp.read([path])
-
-				activity_name = cp.get('Activity', "name")
-				activity_class = cp.get('Activity', "class")
-
-				args = [ 'python', '-m', 'sugar/activity/Activity' ]
-				args.append(activity_name)
-				args.append(activity_class)
-				pid = os.spawnvp(os.P_NOWAIT, 'python', args)
-				self._activity_processes[activity_name] = pid
-
-	def _shell_close_cb(self, shell):
-		self.shutdown()
-	
-	def shutdown(self):
-		# FIXME Obviously we want to notify the activities to
-		# shutt down rather then killing them down forcefully.
-		for name in self._activity_processes.keys():
-			print 'Shutting down %s' % (name) 
-			os.kill(self._activity_processes[name], signal.SIGTERM)