code quality improvements

- remove unused variable
* better iteration of xdata nodes
- removed unnecessary else

classes/servercontact.py

@@ -34,11 +34,11 @@ class ServerContact:
 			# extract jabber:x:data from query
 			xdata = query.findall('{jabber:x:data}x')
 
-			# check for multiple x nodes
-			for x in range(len(xdata)):
+			# iterate over all nodes with the xdata tag
+			for node in xdata:
 
-				# iterate over all x nodes
-				for child in xdata[x]:
+				# iterate over all child elements in node
+				for child in node:
 
 					# if one opt_arg is defined return just that one
 					if self.opt_arg in self.possible_vars:

common/misc.py

@@ -46,8 +46,7 @@ def validate(keyword, target):
 			return True
 
 	# if the target could not be validated until this return False
-	else:
-		return False
+	return False
 
 
 #

common/strings.py

@@ -33,9 +33,9 @@ class StaticAnswers:
 		# if specific keyword in referenced return that
 		if key in self.keywords.keys():
 			return self.keywords[key]
+
 		# in any other case return the whole dict
-		else:
-			return self.keywords["keywords"]
+		return self.keywords["keywords"]
 
 	def gen_help(self):
 		helpdoc = "\n".join(['%s' % value for (_, value) in self.helpfile.items()])

main.py

@@ -38,12 +38,6 @@ class QueryBot(slixmpp.ClientXMPP):
 			"!xep": XEPRequest()
 		}
 
-		self.data = {
-			'words': list(),
-			'reply': list(),
-			'queue': list()
-		}
-
 		# session start event, starting point for the presence and roster requests
 		self.add_event_handler('session_start', self.start)