converted twisted_ex2.py to use eventlet.twisteds.basic

examples/twisted_ex2.py

@@ -1,53 +1,7 @@
-"wrapping twisted protocol using a channel and block_on()"
-from twisted.internet import pollreactor; pollreactor.install()
-from twisted.internet.protocol import ClientCreator
-from twisted.protocols import basic
-from twisted.internet import reactor
-from twisted.internet.error import ConnectionDone
+from eventlet.twisteds import basic
 
-from eventlet.api import spawn
-from eventlet.channel import channel
-from eventlet.twisteds.util import block_on
-
-
-class LineOnlyReceiver(basic.LineOnlyReceiver):
-
-    def lineReceived(self, line):
-        spawn(self.channel.send, line)
-
-    def connectionLost(self, reason):
-        self.channel.send_exception(reason.value)
-
-
-class line_only_receiver:
-
-    def __init__(self, host, port):
-        cc = ClientCreator(reactor, LineOnlyReceiver)
-        self.protocol = block_on(cc.connectTCP(host, port))
-        self.protocol.channel = self.channel = channel()
-
-    def readline(self):
-        return self.channel.receive()
-
-    def send(self, data):
-        self.protocol.transport.write(data)
-
-    def sendline(self, line):
-        self.protocol.sendLine(line)
-
-    # iterator protocol:
-
-    def __iter__(self):
-        return self
-
-    def next(self):
-        try:
-            return self.readline()
-        except ConnectionDone:
-            raise StopIteration
-
-
-conn = line_only_receiver('www.google.com', 80)
+conn = basic.connectTCP(basic.line_only_receiver, 'www.google.com', 80)
 conn.send('GET / HTTP/1.0\r\n\r\n')
 for line in conn:
     print line
+