pyuv example

http_client.py

import pyuv

def on_close(tcp):
    print "closed"

def on_read(tcp, data):
    print "read"
    if data is None:
        tcp.close(on_close)
    else:
        print data

def on_write(tcp, status):
    print "written"
    tcp.start_read(on_read)

def on_connection(tcp, status):
    print "connected"
    req_message = "GET / HTTP/1.0\r\n\r\n"
    tcp.write(req_message, on_write)

def main():
    server_addr = ("127.0.0.1", 80)
    loop = pyuv.Loop.default_loop()
    tcp = pyuv.TCP(loop)

    tcp.connect(server_addr, on_connection)
    print "main"
    loop.run()

if __name__ == "__main__":
    main()

http_client_lambda.py

import pyuv
import sys

def on_close(tcp):
    print "closed"

def main():
    server_addr = ("127.0.0.1", 80)
    loop = pyuv.Loop.default_loop()
    tcp = pyuv.TCP(loop)

    tcp.connect(server_addr, lambda tcp, status:
                    (sys.stdout.write("connected\n"),
                     tcp.write("GET / HTTP/1.0\r\n\r\n", lambda tcp, status:
                                   (sys.stdout.write("written\n"),
                                    tcp.start_read(lambda tcp, data:
                                                       (sys.stdout.write("read\n"),
                                                        tcp.close(lambda tcp: sys.stdout.write("closed\n"))
                                                        if data is None else sys.stdout.write(data + "\n")))))))

                    
    print "main"
    loop.run()

if __name__ == "__main__":
    main()