diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..73fb4fe
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+
+/.idea
+/__pycache__
diff --git a/inputbox.py b/inputbox.py
index 8c65115..7163b42 100644
--- a/inputbox.py
+++ b/inputbox.py
@@ -55,7 +55,7 @@ def ask(screen, question, default='', password=0):
     "ask(screen, question) -> answer"
     pygame.font.init()
     current_string = list(default)
-    display_box(screen, question + ": " + string.join(current_string,""))
+    display_box(screen, question + ": " + "".join(current_string))
     while 1:
         inkey = get_key()
         if inkey == K_BACKSPACE:
@@ -71,12 +71,12 @@ def ask(screen, question, default='', password=0):
         if password:
             display_box(screen, question + ": " + "*"*len(current_string))
         else:
-            display_box(screen, question + ": " + string.join(current_string,""))
-    return string.join(current_string,"")
+            display_box(screen, question + ": " + "".join(current_string))
+    return "".join(current_string)
 
 def main():
   screen = pygame.display.set_mode((220,40))
   screen.fill((0,100,255))
-  print ask(screen, "Name") + " was entered"
+  print(ask(screen, "Name") + " was entered")
 
 if __name__ == '__main__': main()
diff --git a/rfb.py b/rfb.py
index b61997f..b58a3d9 100644
--- a/rfb.py
+++ b/rfb.py
@@ -17,8 +17,8 @@
 import pyDes
 from twisted.python import usage, log
 from twisted.internet.protocol import Factory, Protocol
-from twisted.internet import protocol
-from twisted.application import internet, service
+from twisted.internet import protocol
+from twisted.application import internet, service
 
 #~ from twisted.internet import reactor
 
@@ -399,9 +399,9 @@ def _handleDecodeHextileSubrectsColoured(self, block, bg, color, subrects, x, y,
             color = block[pos:pos2]
             xy = ord(block[pos2])
             wh = ord(block[pos2+1])
-            sx = xy >> 4
-            sy = xy & 0xf
-            sw = (wh >> 4) + 1
+            sx = xy >> 4
+            sy = xy & 0xf
+            sw = (wh >> 4) + 1
             sh = (wh & 0xf) + 1
             self.fillRectangle(tx + sx, ty + sy, sw, sh, color)
             pos += sz
@@ -414,9 +414,9 @@ def _handleDecodeHextileSubrectsFG(self, block, bg, color, subrects, x, y, width
         while pos < end:
             xy = ord(block[pos])
             wh = ord(block[pos+1])
-            sx = xy >> 4
-            sy = xy & 0xf
-            sw = (wh >> 4) + 1
+            sx = xy >> 4
+            sy = xy & 0xf
+            sw = (wh >> 4) + 1
             sh = (wh & 0xf) + 1
             self.fillRectangle(tx + sx, ty + sy, sw, sh, color)
             pos += 2
@@ -567,15 +567,15 @@ def copy_text(self, text):
         """The server has new ASCII text in its cut buffer.
            (aka clipboard)"""
 
-class RFBFactory(protocol.ClientFactory):
-    """A factory for remote frame buffer connections."""
-
+class RFBFactory(protocol.ClientFactory):
+    """A factory for remote frame buffer connections."""
+
     # the class of the protocol to build
-    # should be overriden by application to use a derrived class
+    # should be overriden by application to use a derrived class
     protocol = RFBClient
     
     def __init__(self, password = None, shared = 0):
-        self.password = password
+        self.password = password
         self.shared = shared
 
 class RFBDes(pyDes.des):
@@ -601,26 +601,26 @@ def setKey(self, key):
     class RFBTest(RFBClient):
         """dummy client"""
         def vncConnectionMade(self):
-            print "Screen format: depth=%d bytes_per_pixel=%r" % (self.depth, self.bpp)
-            print "Desktop name: %r" % self.name
+            print("Screen format: depth=%d bytes_per_pixel=%r" % (self.depth, self.bpp))
+            print("Desktop name: %r" % self.name)
             self.SetEncodings([RAW_ENCODING])
             self.FramebufferUpdateRequest()
         
         def updateRectangle(self, x, y, width, height, data):
-            print "%s " * 5 % (x, y, width, height, repr(data[:20]))
+            print("%s " * 5 % (x, y, width, height, repr(data[:20])))
     
-    class RFBTestFactory(protocol.ClientFactory):
+    class RFBTestFactory(protocol.ClientFactory):
         """test factory"""
-        protocol = RFBTest
-        def clientConnectionLost(self, connector, reason):
-            print reason
-            from twisted.internet import reactor
-            reactor.stop()
-            #~ connector.connect()
-    
-        def clientConnectionFailed(self, connector, reason):
-            print "connection failed:", reason
-            from twisted.internet import reactor
+        protocol = RFBTest
+        def clientConnectionLost(self, connector, reason):
+            print(reason)
+            from twisted.internet import reactor
+            reactor.stop()
+            #~ connector.connect()
+    
+        def clientConnectionFailed(self, connector, reason):
+            print("connection failed:", reason)
+            from twisted.internet import reactor
             reactor.stop()
 
     class Options(usage.Options):
@@ -634,10 +634,10 @@ class Options(usage.Options):
     o = Options()
     try:
         o.parseOptions()
-    except usage.UsageError, errortext:
-        print "%s: %s" % (sys.argv[0], errortext)
-        print "%s: Try --help for usage details." % (sys.argv[0])
-        raise SystemExit, 1
+    except usage.UsageError as errortext:
+        print("%s: %s" % (sys.argv[0], errortext))
+        print("%s: Try --help for usage details." % (sys.argv[0]))
+        raise SystemExit(1)
 
     logFile = sys.stdout
     if o.opts['outfile']:
@@ -647,15 +647,15 @@ class Options(usage.Options):
     host = o.opts['host']
     port = int(o.opts['display']) + 5900
 
-    application = service.Application("rfb test") # create Application
-
-    # connect to this host and port, and reconnect if we get disconnected
-    vncClient = internet.TCPClient(host, port, RFBFactory()) # create the service
-    vncClient.setServiceParent(application)
-
-    # this file should be run as 'twistd -y rfb.py' but it didn't work -
-    # could't import crippled_des.py, so using this hack.
-    # now with crippled_des.py replaced with pyDes this can be no more actual
-    from twisted.internet import reactor
-    vncClient.startService()
-    reactor.run()
+    application = service.Application("rfb test") # create Application
+
+    # connect to this host and port, and reconnect if we get disconnected
+    vncClient = internet.TCPClient(host, port, RFBFactory()) # create the service
+    vncClient.setServiceParent(application)
+
+    # this file should be run as 'twistd -y rfb.py' but it didn't work -
+    # could't import crippled_des.py, so using this hack.
+    # now with crippled_des.py replaced with pyDes this can be no more actual
+    from twisted.internet import reactor
+    vncClient.startService()
+    reactor.run()
diff --git a/vncviewer.py b/vncviewer.py
index 51f952b..eb970a9 100644
--- a/vncviewer.py
+++ b/vncviewer.py
@@ -161,7 +161,7 @@ def setRFBSize(self, width, height, depth=32):
             #then communicate that to the protocol...
         else:
             #~ self.screen = pygame.display.set_mode(self.area.size, winstyle, depth)
-            raise ValueError, "color depth not supported"
+            raise ValueError ("color depth not supported")
         self.background = pygame.Surface((self.width, self.height), depth)
         self.background.fill(0) #black
 
@@ -190,7 +190,7 @@ def checkEvents(self):
                     elif e.unicode:
                         self.protocol.keyEvent(ord(e.unicode))
                     else:
-                        print "warning: unknown key %r" % (e)
+                        print("warning: unknown key %r" % (e))
                 elif e.type == KEYUP:
                     if e.key in MODIFIERS:
                         self.protocol.keyEvent(MODIFIERS[e.key], down=0)
@@ -311,10 +311,10 @@ def fillRectangle(self, x, y, width, height, color):
         self.screen.fill(struct.unpack("BBBB", color), (x, y, width, height))
 
     def bell(self):
-        print "katsching"
+        print("katsching")
 
     def copy_text(self, text):
-        print "Clipboard: %r" % text
+        print("Clipboard: %r" % text)
 
 #use a derrived class for other depths. hopefully with better performance
 #that a single class with complicated/dynamic color conversion.
@@ -345,7 +345,7 @@ def fillRectangle(self, x, y, width, height, color):
         """fill rectangle with one color"""
         self.screen.fill(ord(color), (x, y, width, height))
 
-class VNCFactory(rfb.RFBFactory):
+class VNCFactory(rfb.RFBFactory):
     """A factory for remote frame buffer connections."""
     
     def __init__(self, remoteframebuffer, depth, fast, *args, **kwargs):
@@ -356,7 +356,7 @@ def __init__(self, remoteframebuffer, depth, fast, *args, **kwargs):
         elif depth == 8:
             self.protocol = RFBToGUIeightbits
         else:
-            raise ValueError, "color depth not supported"
+            raise ValueError("color depth not supported")
             
         if fast:
             self.encodings = [
@@ -377,14 +377,14 @@ def buildProtocol(self, addr):
         display = addr.port - 5900
         pygame.display.set_caption('Python VNC Viewer on %s:%s' % (addr.host, display))
         return rfb.RFBFactory.buildProtocol(self, addr)
-
-    def clientConnectionLost(self, connector, reason):
-        log.msg("connection lost: %r" % reason.getErrorMessage())
-        reactor.stop()
-
+
+    def clientConnectionLost(self, connector, reason):
+        log.msg("connection lost: %r" % reason.getErrorMessage())
+        reactor.stop()
+
     def clientConnectionFailed(self, connector, reason):
-        log.msg("cannot connect to server: %r\n" % reason.getErrorMessage())
-        reactor.stop()
+        log.msg("cannot connect to server: %r\n" % reason.getErrorMessage())
+        reactor.stop()
 
 class Options(usage.Options):
     optParameters = [
@@ -412,10 +412,10 @@ def main():
     o = Options()
     try:
         o.parseOptions()
-    except usage.UsageError, errortext:
-        print "%s: %s" % (sys.argv[0], errortext)
-        print "%s: Try --help for usage details." % (sys.argv[0])
-        raise SystemExit, 1
+    except usage.UsageError as errortext:
+        print("%s: %s" % (sys.argv[0], errortext))
+        print("%s: Try --help for usage details." % (sys.argv[0]))
+        raise SystemExit(1)
 
     depth = int(o.opts['depth'])
 
@@ -444,7 +444,7 @@ def main():
             if host == '':  host = 'localhost'
             display = int(display)
 
-    # connect to this host and port, and reconnect if we get disconnected
+    # connect to this host and port, and reconnect if we get disconnected
     reactor.connectTCP(
         host,                                   #remote hostname
         display + 5900,                         #TCP port number
@@ -456,10 +456,10 @@ def main():
                 int(o.opts['shared']),          #shared session flag
         )
     )
-
-    # run the application
+
+    # run the application
     reactor.callLater(0.1, remoteframebuffer.mainloop)
-    reactor.run()
+    reactor.run()
 
 
 if __name__ == '__main__':