attempt to ask the modules for help text

modules/Help.py

@@ -39,23 +39,53 @@ class Help(Module):
         """look for karma strings at the start of messages"""
 
         match = self.helpre.search(what)
-        if (match):
+        if match:
             (module, key) = match.group(2,4)
             if (module == None):
-                return self.help_descriptions()
+                return self.handle_help_descriptions()
             elif (key == None):
-                return self.help_module(module)
+                return self.handle_help_module(module)
             else:
-                return self.help_detail(module, key)
+                return self.handle_help_detail(module, key)
 
-    def help_descriptions(self):
-        return "asked for general help"
+    def handle_help_descriptions(self):
+        message = "General Help:\n"
+        for module in self.irc.modlist:
+            description = module.help_description()
+            if description:
+                message += "  %s - %s\n" % (module.__class__.__name__,
+                                           description) 
+        return message
 
-    def help_module(self, module):
-        return "asked for help on module %s" % (module)
+    def handle_help_module(self, modname):
+        module = self.find_module(modname)
+        if module:
+            helptext = module.help_summary()
+            if helptext:
+                return "%s - %s" % (modname, helptext)
+            else:
+                return "no help available for module %s" % (modname)
+        else:
+            return "no module named '%s' is loaded" % (modname)
 
-    def help_detail(self, module, key):
-        return "asked for help on module %s detail %s" % (module, key)
+    def handle_help_detail(self, modname, key):
+        module = self.find_module(modname)
+        if module:
+            helptext = module.help_detail(key)
+            if helptext:
+                return "%s (%s) - %s" % (modname, key, helptext)
+            else:
+                return "no help available for module '%s', command '%s'" % (modname, key)
+        else:
+            return "no module named '%s' is loaded" % (modname)
+            
+        return "asked for help on module %s detail %s" % (modname, key)
+
+    def find_module(self, modname):
+        for module in self.irc.modlist:
+            if modname == module.__class__.__name__:
+                return module
+        return None
 
 if __name__ == "__main__":
     print "Hello World"