Changed code to python3, add README.md

button.py

@@ -9,54 +9,54 @@ GPIO.setmode(GPIO.BCM)     # set up BCM GPIO numbering
 #GPIO.setup(20, GPIO.IN, pull_up_down = GPIO.PUD_UP)
 
 class Button:
-   	'Handle button stuff'
-	starttime=0
-	ispushed=0
-	waspushed=0
-	presstime=0
-	ignore=0
+    """Handle clocky button stuff"""
+    starttime=0
+    ispushed=0
+    waspushed=0
+    presstime=0
+    ignore=0
 
-	def __init__(self, gpio):
-		print "initialize button on gpio %d"%gpio
-		self.gpio = gpio
-		GPIO.setup(self.gpio, GPIO.IN, pull_up_down = GPIO.PUD_UP)
-		GPIO.add_event_detect(self.gpio, GPIO.BOTH, callback=self.my_callback)  
-		self.presstime=0
-		self.starttime=0
-		self.presstime=0
-		self.waslong=0
-	
-	def my_callback(self,channel):  
-    		if not GPIO.input(channel):     # button is pressed
-#       			print "[press] on %d"%self.gpio
-			self.starttime=time.time()
-			self.ispushed=1
-    		else:          			# button released
-			self.presstime=time.time()-self.starttime
-#			print "[release] on %d  /  <pressed> for=%f sconds"%(self.gpio,self.presstime)
-			if self.ispushed:
-				self.waspushed=1
-				self.ispushed=0
+    def __init__(self, gpio):
+        print("initialize button on gpio %d" %gpio)
+        self.gpio = gpio
+        GPIO.setup(self.gpio, GPIO.IN, pull_up_down = GPIO.PUD_UP)
+        GPIO.add_event_detect(self.gpio, GPIO.BOTH, callback=self.my_callback)  
+        self.presstime=0
+        self.starttime=0
+        self.presstime=0
+        self.waslong=0
+    
+    def my_callback(self,channel):  
+        if not GPIO.input(channel):     # button is pressed
+#           print "[press] on %d"%self.gpio
+            self.starttime=time.time()
+            self.ispushed=1
+        else:                  # button released
+            self.presstime=time.time()-self.starttime
+#           print "[release] on %d  /  <pressed> for=%f sconds"%(self.gpio,self.presstime)
+            if self.ispushed:
+                self.waspushed=1
+                self.ispushed=0
 
-	def WasPressed(self):
-		if self.waspushed:
-			self.waspushed=0
-			return 1
-    		elif self.ispushed:
-			self.presstime=time.time()-self.starttime
-			if self.presstime > 2:
-				self.ispushed=0
-				self.waspushed=1
-				self.waslong=1
-			
-		else:
-			return 0
+    def WasPressed(self):
+        if self.waspushed:
+            self.waspushed=0
+            return 1
+        elif self.ispushed:
+            self.presstime=time.time()-self.starttime
+            if self.presstime > 2:
+                self.ispushed=0
+                self.waspushed=1
+                self.waslong=1
+                
+        else:
+            return 0
 
-	def WasLong(self):
-		if self.presstime > 2:
-			self.waslong=0
-			self.ignore=1
-			return 1
-		else:
-			return 0
+    def WasLong(self):
+        if self.presstime > 2:
+            self.waslong=0
+            self.ignore=1
+            return 1
+        else:
+            return 0