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# QTcpSocket Class Reference
[QtNetwork module]

The QTcpSocket class provides a TCP socket. More...

Inherits QAbstractSocket.

Inherited by QSslSocket.

### Methods

- __init__ (self, QObject parent = None)

## Detailed Description

The QTcpSocket class provides a TCP socket.

TCP (Transmission Control Protocol) is a reliable, stream-oriented, connection-oriented transport protocol. It is especially well suited for continuous transmission of data.

QTcpSocket is a convenience subclass of QAbstractSocket that allows you to establish a TCP connection and transfer streams of data. See the QAbstractSocket documentation for details.

Note: TCP sockets cannot be opened in QIODevice.Unbuffered mode.

See also QTcpServer, QUdpSocket, QFtp, QHttp, Fortune Server Example, Fortune Client Example, Threaded Fortune Server Example, Blocking Fortune Client Example, Loopback Example, and Torrent Example.

## Method Documentation

### QTcpSocket.__init__ (self, QObject parent = None)

The parent argument, if not None, causes self to be owned by Qt instead of PyQt.

Creates a QTcpSocket object in state `UnconnectedState`.

parent is passed on to the QObject constructor.

See also socketType().