Indentation fix

publish_subscribe.py

@@ -5,73 +5,76 @@ Reference: http://www.slideshare.net/ishraqabd/publish-subscribe-model-overview-
 Author: https://github.com/HanWenfang
 '''
 
+
 class Provider:
-	def __init__(self):
-		self.msgQueue = []
-		self.subscribers = {}
-
-	def notify(self, msg):
-		self.msgQueue.append(msg)
-
-	def subscribe(self,msg, subscriber):
-		if not msg in self.subscribers:
-			self.subscribers[msg] = []
-			self.subscribers[msg].append(subscriber) #unfair
-		else:
-			self.subscribers[msg].append(subscriber)
-	
-	def unSubscribe(self,msg, subscriber):
-		self.subscribers[msg].remove(subscriber)
-
-	def update(self):
-		for msg in self.msgQueue:
-			if msg in self.subscribers:
-				for sub in self.subscribers[msg]:
-					sub.run(msg)
-		self.msgQueue = []
+    def __init__(self):
+        self.msgQueue = []
+        self.subscribers = {}
+
+    def notify(self, msg):
+        self.msgQueue.append(msg)
+
+    def subscribe(self, msg, subscriber):
+        if not msg in self.subscribers:
+            self.subscribers[msg] = []
+            self.subscribers[msg].append(subscriber) #unfair
+        else:
+            self.subscribers[msg].append(subscriber)
+
+    def unSubscribe(self, msg, subscriber):
+        self.subscribers[msg].remove(subscriber)
+
+    def update(self):
+        for msg in self.msgQueue:
+            if msg in self.subscribers:
+                for sub in self.subscribers[msg]:
+                    sub.run(msg)
+        self.msgQueue = []
+
 
 class Publisher:
-	def __init__(self, msgCenter):
-		self.provider = msgCenter
-	
-	def publish(self, msg):
-		self.provider.notify(msg)
+    def __init__(self, msgCenter):
+        self.provider = msgCenter
+
+    def publish(self, msg):
+        self.provider.notify(msg)
 
 
 class Subscriber:
-	def __init__(self,name,msgCenter):
-		self.name = name
-		self.provider = msgCenter
+    def __init__(self, name, msgCenter):
+        self.name = name
+        self.provider = msgCenter
 
-	def subscribe(self, msg):
-		self.provider.subscribe(msg, self)
+    def subscribe(self, msg):
+        self.provider.subscribe(msg, self)
 
-	def run(self, msg):
-		print "%s got %s"%(self.name, msg)
+    def run(self, msg):
+        print "%s got %s" % (self.name, msg)
 
 
 def main():
-	messageCenter = Provider()
+    messageCenter = Provider()
+
+    fftv = Publisher(messageCenter)
 
-	fftv = Publisher(messageCenter)
+    jim = Subscriber("jim", messageCenter)
+    jim.subscribe("cartoon")
+    jack = Subscriber("jack", messageCenter)
+    jack.subscribe("music")
+    gee = Subscriber("gee", messageCenter)
+    gee.subscribe("movie")
 
-	jim = Subscriber("jim", messageCenter)
-	jim.subscribe("cartoon")
-	jack = Subscriber("jack", messageCenter)
-	jack.subscribe("music")
-	gee = Subscriber("gee", messageCenter)
-	gee.subscribe("movie")
+    fftv.publish("cartoon")
+    fftv.publish("music")
+    fftv.publish("ads")
+    fftv.publish("movie")
+    fftv.publish("cartoon")
+    fftv.publish("cartoon")
+    fftv.publish("movie")
+    fftv.publish("blank")
 
-	fftv.publish("cartoon")
-	fftv.publish("music")
-	fftv.publish("ads")
-	fftv.publish("movie")
-	fftv.publish("cartoon")
-	fftv.publish("cartoon")
-	fftv.publish("movie")
-	fftv.publish("blank")
+    messageCenter.update()
 
-	messageCenter.update()
 
 if __name__ == "__main__":
-	main()
+    main()