Description: Add support for unpacked Eggs
Origin: Debian
Forwarded: https://bugs.launchpad.net/jokosher/+bug/385930

Index: jokosher-0.11.3/Jokosher/ExtensionManager.py
===================================================================
--- jokosher-0.11.3.orig/Jokosher/ExtensionManager.py	2009-11-11 22:18:03.640628491 +0100
+++ jokosher-0.11.3/Jokosher/ExtensionManager.py	2009-11-11 22:17:57.032635666 +0100
@@ -223,6 +223,46 @@
 		
 	#_____________________________________________________________________
 
+	def LoadExtensionsFromEggs(self, directory):
+		"""
+		Tries to load Extensions fron a given directory.
+		
+		Parameters:
+			directory -- full path to the directory containing Eggs.
+		
+		Returns:
+			True -- the Extension was successfully loaded.
+			False -- an error ocurred while trying to load the Extension,
+					or the Extension has been disabled via the ExtensionManagerDialog.
+		"""
+		Globals.debug("\timporting extensions from directory", directory)
+		pkg_resources.working_set.add_entry(directory)
+		dist_generator = pkg_resources.find_distributions(directory)
+		for dist in dist_generator:
+			try:
+				extension_class = dist.load_entry_point("jokosher.extensions", "extension")
+				# create an instance of the class
+				extension = extension_class()
+				filename = dist.egg_name()
+			except Exception, e :
+				Globals.debug("\t\t...failed.")
+				Globals.debug(e)
+				return False
+		
+			# try and register the extension - continue if failed
+			if not self.register(extension, filename, directory, False):
+				Globals.debug("\tcannot register extension ", filename)
+				continue
+			
+			# if we're still here then start the extension, if its not in the extensions_blacklist
+			if extension.EXTENSION_NAME not in Globals.settings.extensions['extensions_blacklist']:
+				if not self.StartExtension(self.loadedExtensions[len(self.loadedExtensions)-1]["filename"]):
+					continue
+		
+		return True
+
+	#_____________________________________________________________________
+
 	def StopExtension(self, filename):
 		"""
 		Stops the given Extension.
@@ -343,11 +383,16 @@
 			if not os.path.isdir(exten_dir):
 				continue
 			for filename in os.listdir(exten_dir):
-				if filename.endswith(".egg") or filename.endswith(".py"):
+				if filename.endswith('.py'):
 					self.LoadExtensionFromFile(filename, exten_dir)
 					# don't block the gui when loading many extensions
 					while gtk.events_pending():
 						gtk.main_iteration()
+			# handle Eggs (zipped or unpacked) here
+			self.LoadExtensionsFromEggs(exten_dir)
+			# don't block the gui when loading many extensions
+			while gtk.events_pending():
+				gtk.main_iteration()
 		
 	#_____________________________________________________________________