Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/test/testutils.py

-from cStringIO import StringIO
-from twisted.internet.protocol import FileWrapper
-
-class IOPump:
-    """Utility to pump data between clients and servers for protocol testing.
-
-    Perhaps this is a utility worthy of being in protocol.py?
-    """
-    def __init__(self, client, server, clientIO, serverIO):
-        self.client = client
-        self.server = server
-        self.clientIO = clientIO
-        self.serverIO = serverIO
-
-    def flush(self):
-        "Pump until there is no more input or output."
-        while self.pump():
-            pass
-
-    def pump(self):
-        """Move data back and forth.
-
-        Returns whether any data was moved.
-        """
-        self.clientIO.seek(0)
-        self.serverIO.seek(0)
-        cData = self.clientIO.read()
-        sData = self.serverIO.read()
-        self.clientIO.seek(0)
-        self.serverIO.seek(0)
-        self.clientIO.truncate()
-        self.serverIO.truncate()
-        for byte in cData:
-            self.server.dataReceived(byte)
-        for byte in sData:
-            self.client.dataReceived(byte)
-        if cData or sData:
-            return 1
-        else:
-            return 0
-
-
-def returnConnected(server, client):
-    """Take two Protocol instances and connect them.
-    """
-    cio = StringIO()
-    sio = StringIO()
-    client.makeConnection(FileWrapper(cio))
-    server.makeConnection(FileWrapper(sio))
-    pump = IOPump(client, server, cio, sio)
-    # Challenge-response authentication:
-    pump.flush()
-    # Uh...
-    pump.flush()
-    return pump