def connect(serverProtocol, serverTransport, clientProtocol, clientTransport,
            debug=False, greet=True):
    """
    Create a new L{IOPump} connecting two protocols.

    @param serverProtocol: The protocol to use on the accepting side of the
        connection.
    @type serverProtocol: L{IProtocol} provider

    @param serverTransport: The transport to associate with C{serverProtocol}.
    @type serverTransport: L{FakeTransport}

    @param clientProtocol: The protocol to use on the initiating side of the
        connection.
    @type clientProtocol: L{IProtocol} provider

    @param clientTransport: The transport to associate with C{clientProtocol}.
    @type clientTransport: L{FakeTransport}

    @param debug: A flag indicating whether to log information about what the
        L{IOPump} is doing.
    @type debug: L{bool}

    @param greet: Should the L{IOPump} be L{flushed <IOPump.flush>} once before
        returning to put the protocols into their post-handshake or
        post-server-greeting state?
    @type greet: L{bool}

    @return: An L{IOPump} which connects C{serverProtocol} and
        C{clientProtocol} and delivers bytes between them when it is pumped.
    @rtype: L{IOPump}
    """
    serverProtocol.makeConnection(serverTransport)
    clientProtocol.makeConnection(clientTransport)
    pump = IOPump(
        clientProtocol, serverProtocol, clientTransport, serverTransport, debug
    )
    if greet:
        # Kick off server greeting, etc
        pump.flush()
    return pump

    Create a new L{IOPump} connecting two protocols.

    @param serverProtocol: The protocol to use on the accepting side of the
        connection.
    @type serverProtocol: L{IProtocol} provider

    @param serverTransport: The transport to associate with C{serverProtocol}.
    @type serverTransport: L{FakeTransport}

    @param clientProtocol: The protocol to use on the initiating side of the
        connection.
    @type clientProtocol: L{IProtocol} provider

    @param clientTransport: The transport to associate with C{clientProtocol}.
    @type clientTransport: L{FakeTransport}

    @param debug: A flag indicating whether to log information about what the
        L{IOPump} is doing.
    @type debug: L{bool}

    @param greet: Should the L{IOPump} be L{flushed <IOPump.flush>} once before
        returning to put the protocols into their post-handshake or
        post-server-greeting state?
    @type greet: L{bool}

    @return: An L{IOPump} which connects C{serverProtocol} and
        C{clientProtocol} and delivers bytes between them when it is pumped.
    @rtype: L{IOPump}
    
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/iosim.py