From: Victor Stinner Date: Sun, 12 Oct 2014 09:35:09 +0000 (+0200) Subject: asyncio doc: enhance TCP client example X-Git-Tag: v3.4.3rc1~493 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=53664343368a61a2986d3bee3b9b0888376f51c6;p=thirdparty%2FPython%2Fcpython.git asyncio doc: enhance TCP client example --- diff --git a/Doc/library/asyncio-protocol.rst b/Doc/library/asyncio-protocol.rst index 66524c1c1815..487b5adadbb9 100644 --- a/Doc/library/asyncio-protocol.rst +++ b/Doc/library/asyncio-protocol.rst @@ -447,21 +447,26 @@ TCP echo client example, send data and wait until the connection is closed:: import asyncio class EchoClientProtocol(asyncio.Protocol): - message = 'This is the message. It will be echoed.' + def __init__(self, message, loop): + self.message = message + self.loop = loop def connection_made(self, transport): transport.write(self.message.encode()) - print('data sent: {}'.format(self.message)) + print('Data sent: {!r}'.format(self.message)) def data_received(self, data): - print('data received: {}'.format(data.decode())) + print('Data received: {!r}'.format(data.decode())) def connection_lost(self, exc): - print('server closed the connection') - asyncio.get_event_loop().stop() + print('The server closed the connection') + print('Stop the event lop') + self.loop.stop() loop = asyncio.get_event_loop() - coro = loop.create_connection(EchoClientProtocol, '127.0.0.1', 8888) + message = 'Hello World!' + coro = loop.create_connection(lambda: EchoClientProtocol(message, loop), + '127.0.0.1', 8888) loop.run_until_complete(coro) loop.run_forever() loop.close() @@ -494,7 +499,7 @@ TCP echo server example, send back received data and close the connection:: print('Send: {!r}'.format(message)) self.transport.write(data) - print('Close the socket') + print('Close the client socket') self.transport.close() loop = asyncio.get_event_loop()